description: Default big-endian and signed integer if LPCM is described by non-v2.

[L-SMASH.git] / lsmash.h

/*****************************************************************************
 * lsmash.h:
 *****************************************************************************
 * Copyright (C) 2010-2015 L-SMASH project
 *
 * Authors: Yusuke Nakamura <muken.the.vfrmaniac@gmail.com>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *****************************************************************************/

/* This file is available under an ISC license. */

#ifndef LSMASH_H
#define LSMASH_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stddef.h>
#include <stdint.h>

#define PRIVATE     /* If this declaration is placed at a variable, any user shall NOT use it. */

/**************************************************************************************
 * Handle windows dll imports. The user must define this before including this header.
 **************************************************************************************/
#ifdef LSMASH_API_IMPORTS
#define LSMASH_API __declspec(dllimport)
#else
#define LSMASH_API
#endif

#define LSMASH_4CC( a, b, c, d ) (((a)<<24) | ((b)<<16) | ((c)<<8) | (d))

/****************************************************************************
 * Version
 ****************************************************************************/
#define LSMASH_VERSION_MAJOR  2
#define LSMASH_VERSION_MINOR  7
#define LSMASH_VERSION_MICRO  3

#define LSMASH_VERSION_INT( a, b, c ) (((a) << 16) | ((b) << 8) | (c))

#define LIBLSMASH_VERSION_INT LSMASH_VERSION_INT( LSMASH_VERSION_MAJOR, \
                                                  LSMASH_VERSION_MINOR, \
                                                  LSMASH_VERSION_MICRO )

/****************************************************************************
 * Error Values
 ****************************************************************************/
enum
{
    LSMASH_ERR_NAMELESS       = -1, /* An error but not assigned to any following errors */
    LSMASH_ERR_MEMORY_ALLOC   = -2, /* There is not enough room in the heap. */
    LSMASH_ERR_INVALID_DATA   = -3, /* Invalid data was found. */
    LSMASH_ERR_FUNCTION_PARAM = -4, /* An error in the parameter list of the function */
    LSMASH_ERR_PATCH_WELCOME  = -5, /* Not implemented yet, so patches welcome. */
    LSMASH_ERR_UNKNOWN        = -6, /* Unknown error occured. */
};

/****************************************************************************
 * ROOT
 *   The top-level opaque handler for whole file handling.
 ****************************************************************************/
typedef struct lsmash_root_tag lsmash_root_t;

/* Allocate a ROOT.
 * The allocated ROOT can be deallocate by lsmash_destroy_root().
 *
 * Return the address of an allocated ROOT if successful.
 * Return NULL otherwise. */
lsmash_root_t *lsmash_create_root
(
    void
);

/* Deallocate a given ROOT. */
void lsmash_destroy_root
(
    lsmash_root_t *root     /* the address of a ROOT you want to deallocate */
);

/****************************************************************************
 * File Layer
 ****************************************************************************/
typedef struct lsmash_file_tag lsmash_file_t;

typedef enum
{
    LSMASH_FILE_MODE_WRITE             = 1,     /* output/muxing */
    LSMASH_FILE_MODE_READ              = 1<<1,  /* input/demuxing */
    LSMASH_FILE_MODE_FRAGMENTED        = 1<<2,  /* movie fragments */
    LSMASH_FILE_MODE_DUMP              = 1<<3,
    LSMASH_FILE_MODE_BOX               = 1<<4,  /* box structure */
    LSMASH_FILE_MODE_INITIALIZATION    = 1<<5,  /* movie sample table */
    LSMASH_FILE_MODE_MEDIA             = 1<<6,  /* media data */
    LSMASH_FILE_MODE_INDEX             = 1<<7,
    LSMASH_FILE_MODE_SEGMENT           = 1<<8,  /* segment */
    LSMASH_FILE_MODE_WRITE_FRAGMENTED  = LSMASH_FILE_MODE_WRITE | LSMASH_FILE_MODE_FRAGMENTED,  /* deprecated */
} lsmash_file_mode;

typedef enum
{
    ISOM_BRAND_TYPE_3G2A  = LSMASH_4CC( '3', 'g', '2', 'a' ),   /* 3GPP2 */
    ISOM_BRAND_TYPE_3GE6  = LSMASH_4CC( '3', 'g', 'e', '6' ),   /* 3GPP Release 6 Extended Presentation Profile */
    ISOM_BRAND_TYPE_3GE9  = LSMASH_4CC( '3', 'g', 'e', '9' ),   /* 3GPP Release 9 Extended Presentation Profile */
    ISOM_BRAND_TYPE_3GF9  = LSMASH_4CC( '3', 'g', 'f', '9' ),   /* 3GPP Release 9 File-delivery Server Profile */
    ISOM_BRAND_TYPE_3GG6  = LSMASH_4CC( '3', 'g', 'g', '6' ),   /* 3GPP Release 6 General Profile */
    ISOM_BRAND_TYPE_3GG9  = LSMASH_4CC( '3', 'g', 'g', '9' ),   /* 3GPP Release 9 General Profile */
    ISOM_BRAND_TYPE_3GH9  = LSMASH_4CC( '3', 'g', 'h', '9' ),   /* 3GPP Release 9 Adaptive Streaming Profile */
    ISOM_BRAND_TYPE_3GM9  = LSMASH_4CC( '3', 'g', 'm', '9' ),   /* 3GPP Release 9 Media Segment Profile */
    ISOM_BRAND_TYPE_3GP4  = LSMASH_4CC( '3', 'g', 'p', '4' ),   /* 3GPP Release 4 */
    ISOM_BRAND_TYPE_3GP5  = LSMASH_4CC( '3', 'g', 'p', '5' ),   /* 3GPP Release 5 */
    ISOM_BRAND_TYPE_3GP6  = LSMASH_4CC( '3', 'g', 'p', '6' ),   /* 3GPP Release 6 Basic Profile */
    ISOM_BRAND_TYPE_3GP7  = LSMASH_4CC( '3', 'g', 'p', '7' ),   /* 3GPP Release 7 */
    ISOM_BRAND_TYPE_3GP8  = LSMASH_4CC( '3', 'g', 'p', '8' ),   /* 3GPP Release 8 */
    ISOM_BRAND_TYPE_3GP9  = LSMASH_4CC( '3', 'g', 'p', '9' ),   /* 3GPP Release 9 Basic Profile */
    ISOM_BRAND_TYPE_3GR6  = LSMASH_4CC( '3', 'g', 'r', '6' ),   /* 3GPP Release 6 Progressive Download Profile */
    ISOM_BRAND_TYPE_3GR9  = LSMASH_4CC( '3', 'g', 'r', '9' ),   /* 3GPP Release 9 Progressive Download Profile */
    ISOM_BRAND_TYPE_3GS6  = LSMASH_4CC( '3', 'g', 's', '6' ),   /* 3GPP Release 6 Streaming Server Profile */
    ISOM_BRAND_TYPE_3GS9  = LSMASH_4CC( '3', 'g', 's', '9' ),   /* 3GPP Release 9 Streaming Server Profile */
    ISOM_BRAND_TYPE_3GT9  = LSMASH_4CC( '3', 'g', 't', '9' ),   /* 3GPP Release 9 Media Stream Recording Profile */
    ISOM_BRAND_TYPE_ARRI  = LSMASH_4CC( 'A', 'R', 'R', 'I' ),   /* ARRI Digital Camera */
    ISOM_BRAND_TYPE_CAEP  = LSMASH_4CC( 'C', 'A', 'E', 'P' ),   /* Canon Digital Camera */
    ISOM_BRAND_TYPE_CDES  = LSMASH_4CC( 'C', 'D', 'e', 's' ),   /* Convergent Designs */
    ISOM_BRAND_TYPE_LCAG  = LSMASH_4CC( 'L', 'C', 'A', 'G' ),   /* Leica digital camera */
    ISOM_BRAND_TYPE_M4A   = LSMASH_4CC( 'M', '4', 'A', ' ' ),   /* iTunes MPEG-4 audio protected or not */
    ISOM_BRAND_TYPE_M4B   = LSMASH_4CC( 'M', '4', 'B', ' ' ),   /* iTunes AudioBook protected or not */
    ISOM_BRAND_TYPE_M4P   = LSMASH_4CC( 'M', '4', 'P', ' ' ),   /* MPEG-4 protected audio */
    ISOM_BRAND_TYPE_M4V   = LSMASH_4CC( 'M', '4', 'V', ' ' ),   /* MPEG-4 protected audio+video */
    ISOM_BRAND_TYPE_MFSM  = LSMASH_4CC( 'M', 'F', 'S', 'M' ),   /* Media File for Samsung video Metadata */
    ISOM_BRAND_TYPE_MPPI  = LSMASH_4CC( 'M', 'P', 'P', 'I' ),   /* Photo Player Multimedia Application Format */
    ISOM_BRAND_TYPE_ROSS  = LSMASH_4CC( 'R', 'O', 'S', 'S' ),   /* Ross Video */
    ISOM_BRAND_TYPE_AVC1  = LSMASH_4CC( 'a', 'v', 'c', '1' ),   /* Advanced Video Coding extensions */
    ISOM_BRAND_TYPE_BBXM  = LSMASH_4CC( 'b', 'b', 'x', 'm' ),   /* Blinkbox Master File */
    ISOM_BRAND_TYPE_CAQV  = LSMASH_4CC( 'c', 'a', 'q', 'v' ),   /* Casio Digital Camera */
    ISOM_BRAND_TYPE_CCFF  = LSMASH_4CC( 'c', 'c', 'f', 'f' ),   /* Common container file format */
    ISOM_BRAND_TYPE_DA0A  = LSMASH_4CC( 'd', 'a', '0', 'a' ),   /* DMB AF */
    ISOM_BRAND_TYPE_DA0B  = LSMASH_4CC( 'd', 'a', '0', 'b' ),   /* DMB AF */
    ISOM_BRAND_TYPE_DA1A  = LSMASH_4CC( 'd', 'a', '1', 'a' ),   /* DMB AF */
    ISOM_BRAND_TYPE_DA1B  = LSMASH_4CC( 'd', 'a', '1', 'b' ),   /* DMB AF */
    ISOM_BRAND_TYPE_DA2A  = LSMASH_4CC( 'd', 'a', '2', 'a' ),   /* DMB AF */
    ISOM_BRAND_TYPE_DA2B  = LSMASH_4CC( 'd', 'a', '2', 'b' ),   /* DMB AF */
    ISOM_BRAND_TYPE_DA3A  = LSMASH_4CC( 'd', 'a', '3', 'a' ),   /* DMB AF */
    ISOM_BRAND_TYPE_DA3B  = LSMASH_4CC( 'd', 'a', '3', 'b' ),   /* DMB AF */
    ISOM_BRAND_TYPE_DASH  = LSMASH_4CC( 'd', 'a', 's', 'h' ),   /* Indexed self-initializing Media Segment */
    ISOM_BRAND_TYPE_DBY1  = LSMASH_4CC( 'd', 'b', 'y', '1' ),   /* MP4 files with Dolby content */
    ISOM_BRAND_TYPE_DMB1  = LSMASH_4CC( 'd', 'm', 'b', '1' ),   /* DMB AF */
    ISOM_BRAND_TYPE_DSMS  = LSMASH_4CC( 'd', 's', 'm', 's' ),   /* Self-initializing Media Segment */
    ISOM_BRAND_TYPE_DV1A  = LSMASH_4CC( 'd', 'v', '1', 'a' ),   /* DMB AF */
    ISOM_BRAND_TYPE_DV1B  = LSMASH_4CC( 'd', 'v', '1', 'b' ),   /* DMB AF */
    ISOM_BRAND_TYPE_DV2A  = LSMASH_4CC( 'd', 'v', '2', 'a' ),   /* DMB AF */
    ISOM_BRAND_TYPE_DV2B  = LSMASH_4CC( 'd', 'v', '2', 'b' ),   /* DMB AF */
    ISOM_BRAND_TYPE_DV3A  = LSMASH_4CC( 'd', 'v', '3', 'a' ),   /* DMB AF */
    ISOM_BRAND_TYPE_DV3B  = LSMASH_4CC( 'd', 'v', '3', 'b' ),   /* DMB AF */
    ISOM_BRAND_TYPE_DVR1  = LSMASH_4CC( 'd', 'v', 'r', '1' ),   /* DVB RTP */
    ISOM_BRAND_TYPE_DVT1  = LSMASH_4CC( 'd', 'v', 't', '1' ),   /* DVB Transport Stream */
    ISOM_BRAND_TYPE_IFRM  = LSMASH_4CC( 'i', 'f', 'r', 'm' ),   /* Apple iFrame */
    ISOM_BRAND_TYPE_ISC2  = LSMASH_4CC( 'i', 's', 'c', '2' ),   /* Files encrypted according to ISMACryp 2.0 */
    ISOM_BRAND_TYPE_ISO2  = LSMASH_4CC( 'i', 's', 'o', '2' ),   /* ISO Base Media file format version 2 */
    ISOM_BRAND_TYPE_ISO3  = LSMASH_4CC( 'i', 's', 'o', '3' ),   /* ISO Base Media file format version 3 */
    ISOM_BRAND_TYPE_ISO4  = LSMASH_4CC( 'i', 's', 'o', '4' ),   /* ISO Base Media file format version 4 */
    ISOM_BRAND_TYPE_ISO5  = LSMASH_4CC( 'i', 's', 'o', '5' ),   /* ISO Base Media file format version 5 */
    ISOM_BRAND_TYPE_ISO6  = LSMASH_4CC( 'i', 's', 'o', '6' ),   /* ISO Base Media file format version 6 */
    ISOM_BRAND_TYPE_ISO7  = LSMASH_4CC( 'i', 's', 'o', '7' ),   /* ISO Base Media file format version 7 */
    ISOM_BRAND_TYPE_ISOM  = LSMASH_4CC( 'i', 's', 'o', 'm' ),   /* ISO Base Media file format version 1 */
    ISOM_BRAND_TYPE_JPSI  = LSMASH_4CC( 'j', 'p', 's', 'i' ),   /* The JPSearch data interchange format */
    ISOM_BRAND_TYPE_LMSG  = LSMASH_4CC( 'l', 'm', 's', 'g' ),   /* last Media Segment indicator */
    ISOM_BRAND_TYPE_MJ2S  = LSMASH_4CC( 'm', 'j', '2', 's' ),   /* Motion JPEG 2000 simple profile */
    ISOM_BRAND_TYPE_MJP2  = LSMASH_4CC( 'm', 'j', 'p', '2' ),   /* Motion JPEG 2000, general profile */
    ISOM_BRAND_TYPE_MP21  = LSMASH_4CC( 'm', 'p', '2', '1' ),   /* MPEG-21 */
    ISOM_BRAND_TYPE_MP41  = LSMASH_4CC( 'm', 'p', '4', '1' ),   /* MP4 version 1 */
    ISOM_BRAND_TYPE_MP42  = LSMASH_4CC( 'm', 'p', '4', '2' ),   /* MP4 version 2 */
    ISOM_BRAND_TYPE_MP71  = LSMASH_4CC( 'm', 'p', '7', '1' ),   /* MPEG-7 file-level metadata */
    ISOM_BRAND_TYPE_MSDH  = LSMASH_4CC( 'm', 's', 'd', 'h' ),   /* Media Segment */
    ISOM_BRAND_TYPE_MSIX  = LSMASH_4CC( 'm', 's', 'i', 'x' ),   /* Indexed Media Segment */
    ISOM_BRAND_TYPE_NIKO  = LSMASH_4CC( 'n', 'i', 'k', 'o' ),   /* Nikon Digital Camera */
    ISOM_BRAND_TYPE_ODCF  = LSMASH_4CC( 'o', 'd', 'c', 'f' ),   /* OMA DCF */
    ISOM_BRAND_TYPE_OPF2  = LSMASH_4CC( 'o', 'p', 'f', '2' ),   /* OMA PDCF */
    ISOM_BRAND_TYPE_OPX2  = LSMASH_4CC( 'o', 'p', 'x', '2' ),   /* OMA Adapted PDCF */
    ISOM_BRAND_TYPE_PANA  = LSMASH_4CC( 'p', 'a', 'n', 'a' ),   /* Panasonic Digital Camera */
    ISOM_BRAND_TYPE_PIFF  = LSMASH_4CC( 'p', 'i', 'f', 'f' ),   /* Protected Interoperable File Format */
    ISOM_BRAND_TYPE_PNVI  = LSMASH_4CC( 'p', 'n', 'v', 'i' ),   /* Panasonic Video Intercom */
    ISOM_BRAND_TYPE_QT    = LSMASH_4CC( 'q', 't', ' ', ' ' ),   /* QuickTime file format */
    ISOM_BRAND_TYPE_RISX  = LSMASH_4CC( 'r', 'i', 's', 'x' ),   /* Representation Index Segment */
    ISOM_BRAND_TYPE_SDV   = LSMASH_4CC( 's', 'd', 'v', ' ' ),   /* SD Video */
    ISOM_BRAND_TYPE_SIMS  = LSMASH_4CC( 's', 'i', 'm', 's' ),   /* Sub-Indexed Media Segment */
    ISOM_BRAND_TYPE_SISX  = LSMASH_4CC( 's', 'i', 's', 'x' ),   /* Single Index Segment */
    ISOM_BRAND_TYPE_SSSS  = LSMASH_4CC( 's', 's', 's', 's' ),   /* Subsegment Index Segment */
} lsmash_brand_type;

typedef struct
{
    lsmash_file_mode mode;  /* file modes */
    /** custom I/O stuff **/
    void *opaque;           /* custom I/O opaque handler used for the following callback functions */
    /* Attempt to read up to 'size' bytes from the file referenced by 'opaque' into the buffer starting at 'buf'.
     *
     * Return the number of bytes read if successful.
     * Return 0 if no more read.
     * Return a negative value otherwise. */
    int (*read)
    (
        void    *opaque,
        uint8_t *buf,
        int      size
    );
    /* Write up to 'size' bytes to the file referenced by 'opaque' from the buffer starting at 'buf'.
     *
     * Return the number of bytes written if successful.
     * Return a negative value otherwise. */
    int (*write)
    (
        void    *opaque,
        uint8_t *buf,
        int      size
    );
    /* Change the location of the read/write pointer of 'opaque'.
     * The offset of the pointer is determined according to the directive 'whence' as follows:
     *   If 'whence' is set to SEEK_SET, the offset is set to 'offset' bytes.
     *   If 'whence' is set to SEEK_CUR, the offset is set to its current location plus 'offset' bytes.
     *   If 'whence' is set to SEEK_END, the offset is set to the size of the file plus 'offset' bytes.
     *
     * Return the resulting offset of the location in bytes from the beginning of the file if successful.
     * Return a negative value otherwise. */
    int64_t (*seek)
    (
        void   *opaque,
        int64_t offset,
        int     whence
    );
    /** file types or segment types **/
    lsmash_brand_type  major_brand;     /* the best used brand */
    lsmash_brand_type *brands;          /* the list of compatible brands */
    uint32_t           brand_count;     /* the number of compatible brands used in the file */
    uint32_t           minor_version;   /* minor version of the best used brand
                                         * minor_version is informative only i.e. not specifying requirements but merely providing information.
                                         * It must not be used to determine the conformance of a file to a standard. */
    /** muxing only **/
    double   max_chunk_duration;        /* max duration per chunk in seconds. 0.5 is default value. */
    double   max_async_tolerance;       /* max tolerance, in seconds, for amount of interleaving asynchronization between tracks.
                                         * 2.0 is default value. At least twice of max_chunk_duration is used. */
    uint64_t max_chunk_size;            /* max size per chunk in bytes. 4*1024*1024 (4MiB) is default value. */
    /** demuxing only **/
    uint64_t max_read_size;             /* max size of reading from the file at a time. 4*1024*1024 (4MiB) is default value. */
} lsmash_file_parameters_t;

typedef int (*lsmash_adhoc_remux_callback)( void *param, uint64_t done, uint64_t total );
typedef struct
{
    uint64_t                    buffer_size;
    lsmash_adhoc_remux_callback func;
    void                       *param;
} lsmash_adhoc_remux_t;

/* Open a file where the path is given.
 * And if successful, set up the parameters by 'open_mode'.
 * Here, the 'open_mode' parameter is either 0 or 1 as follows:
 *   0: Create a file for output/muxing operations.
 *      If a file with the same name already exists, its contents are discarded and the file is treated as a new file.
 *      If user specifies "-" for 'filename', operations are done on stdout.
 *      The file types or segment types are set up as specified in 'param'.
 *   1: Open a file for input/demuxing operations. The file must exist.
 *      If user specifies "-" for 'filename', operations are done on stdin.
 *
 * This function sets up file modes minimally.
 * User can add additional modes and/or remove modes already set later.
 * The other parameters except for the custom I/O stuff are set to a default.
 * User shall not touch the custom I/O stuff for the opened file if using this function.
 *
 * The opened file can be closed by lsmash_close_file().
 *
 * Note:
 *   'filename' must be encoded by UTF-8 if 'open_mode' is equal to 0.
 *   On Windows, lsmash_convert_ansi_to_utf8() may help you.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_open_file
(
    const char               *filename,
    int                       open_mode,
    lsmash_file_parameters_t *param
);

/* Close a file opened by lsmash_open_file().
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_close_file
(
    lsmash_file_parameters_t *param
);

/* Associate a file with a ROOT and allocate the handle of that file.
 * The all allocated handles can be deallocated by lsmash_destroy_root().
 * If the ROOT has no associated file yet, the first associated file is activated.
 *
 * Return the address of the allocated handle of the added file if successful.
 * Return NULL otherwise. */
lsmash_file_t *lsmash_set_file
(
    lsmash_root_t            *root,
    lsmash_file_parameters_t *param
);

/* Read whole boxes in a given file.
 * You can also get file modes and file types or segment types by this function.
 *
 * Return the file size (if seekable) or 0 if successful.
 * Return a negative value otherwise. */
int64_t lsmash_read_file
(
    lsmash_file_t            *file,
    lsmash_file_parameters_t *param
);

/* Deallocate all boxes within the current active file in a given ROOT. */
void lsmash_discard_boxes
(
    lsmash_root_t *root     /* the address of a ROOT you want to deallocate all boxes within the active file in it */
);

/* Activate a file associated with a ROOT.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_activate_file
(
    lsmash_root_t *root,
    lsmash_file_t *file
);

/* Switch from the current segment file to the following media segment file.
 * After switching, the followed segment file can be closed unless that file is an initialization segment.
 *
 * The first followed segment file must be also an initialization segment.
 * The second or later segment files must not be an initialization segment.
 * For media segment files flagging LSMASH_FILE_MODE_INDEX, 'remux' must be set.
 *
 * Users shall call lsmash_flush_pooled_samples() for each track before calling this function.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_switch_media_segment
(
    lsmash_root_t        *root,
    lsmash_file_t        *successor,
    lsmash_adhoc_remux_t *remux
);

/****************************************************************************
 * Basic Types
 ****************************************************************************/
/* rational types */
typedef struct
{
    uint32_t n;     /* numerator */
    uint32_t d;     /* denominator */
} lsmash_rational_u32_t;

typedef struct
{
    int32_t  n;     /* numerator */
    uint32_t d;     /* denominator */
} lsmash_rational_s32_t;

typedef enum
{
    LSMASH_BOOLEAN_FALSE = 0,
    LSMASH_BOOLEAN_TRUE  = 1
} lsmash_boolean_t;

/****************************************************************************
 * Allocation
 ****************************************************************************/
/* Allocate a memory block.
 * The allocated memory block can be deallocate by lsmash_free().
 *
 * Return the address to the beginning of a memory block if successful.
 * Return NULL otherwise. */
void *lsmash_malloc
(
    size_t size     /* size of a memory block, in bytes */
);

/* Allocate a memory block.
 * The allocated memory block shall be initialized to all bits 0.
 * The allocated memory block can be deallocate by lsmash_free().
 *
 * Return the address to the beginning of a memory block if successful.
 * Return NULL otherwise. */
void *lsmash_malloc_zero
(
    size_t size     /* size of a memory block, in bytes */
);

/* Reallocate a memory block.
 * The reallocated memory block can be deallocate by lsmash_free().
 * If this function succeed, the given memory block is deallocated and the address is invalid.
 * If this function fails, the address to the given memory block is still valid and the memory block is unchanged.
 *
 * Return the address to the beginning of a memory block if successful.
 * Return NULL otherwise. */
void *lsmash_realloc
(
    void  *ptr,     /* an address to a memory block previously allocated with
                     * lsmash_malloc(), lsmash_malloc_zero(), lsmash_realloc() or lsmash_memdup()
                     * Alternatively, NULL makes this function to allocate a new memory block. */
    size_t size     /* size of a memory block, in bytes */
);

/* Allocate a memory block and copy all bits from a given memory block.
 * The allocated memory block can be deallocate by lsmash_free().
 *
 * Return the address to the beginning of an allocated memory block if successful.
 * Return NULL otherwise. */
void *lsmash_memdup
(
    const void *ptr,    /* an address to the source of data to be copied */
    size_t      size    /* number of bytes to copy */
);

/* Deallocate a given memory block.
 * If the given address to a memory block is NULL, this function does nothing. */
void lsmash_free
(
    void *ptr       /* an address to a memory block previously allocated with
                     * lsmash_malloc(), lsmash_malloc_zero(), lsmash_realloc() or lsmash_memdup() */
);

/* Deallocate a given memory block.
 * If the given address to a memory block is NULL, this function does nothing.
 * Set NULL to the pointer to the memory block after deallocating.
 *
 * As an example of usage.
 *   Let's say you allocate a memory block and set the address to the beginning of it to the pointer 'ptr'.
 *   You can deallocate the memory block and set NULL to 'ptr' by lsmash_freep( &ptr ).
 */
void lsmash_freep
(
    void *ptrptr    /* the address to a pointer to a memory block previously allocated with
                     * lsmash_malloc(), lsmash_malloc_zero(), lsmash_realloc() or lsmash_memdup() */
);

/****************************************************************************
 * Box
 ****************************************************************************/
typedef struct lsmash_box_tag lsmash_box_t;
typedef uint32_t lsmash_compact_box_type_t;

/* An UUID structure for extended box type */
typedef struct
{
    uint32_t fourcc;    /* four characters codes that identify extended box type partially
                         * If the box is not a UUID box, this field shall be the same as the box type.
                         * Note: characters in this field aren't always printable. */
    uint8_t  id[12];    /* If the box is not a UUID box, this field shall be set to 12-byte ISO reserved value
                         *   { 0x00, 0x11, 0x00, 0x10, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }
                         * and shall not be written into the stream together with above-defined four characters codes.
                         * As an exception, we could set the value
                         *   { 0x0F, 0x11, 0x4D, 0xA5, 0xBF, 0x4E, 0xF2, 0xC4, 0x8C, 0x6A, 0xA1, 0x1E }
                         * to indicate the box is derived from QuickTime file format. */
} lsmash_extended_box_type_t;

typedef struct
{
    lsmash_compact_box_type_t  fourcc;  /* four characters codes that identify box type
                                         * Note: characters in this field aren't always printable. */
    lsmash_extended_box_type_t user;    /* Universal Unique IDentifier, i.e. UUID */
                                        /* If 'fourcc' doesn't equal 'uuid', ignore this field. */
} lsmash_box_type_t;

typedef struct
{
    lsmash_box_type_t type;     /* box type */
    uint32_t          number;   /* the number of box in ascending order excluding boxes unspecified by 'type' within
                                 * the same level of the box nested structure. */
} lsmash_box_path_t;

#define LSMASH_BOX_TYPE_INITIALIZER { 0x00000000, { 0x00000000, { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }
#define LSMASH_BOX_TYPE_UNSPECIFIED static_lsmash_box_type_unspecified
LSMASH_API extern const lsmash_box_type_t static_lsmash_box_type_unspecified;

/* Return extended box type that consists of combination of given FourCC and 12-byte ID. */
lsmash_extended_box_type_t lsmash_form_extended_box_type
(
    uint32_t      fourcc,
    const uint8_t id[12]
);

/* Return box type that consists of combination of given compact and extended box type. */
lsmash_box_type_t lsmash_form_box_type
(
    lsmash_compact_box_type_t  type,
    lsmash_extended_box_type_t user
);

#define LSMASH_ISO_BOX_TYPE_INITIALIZER( x )  { x, { x, { 0x00, 0x11, 0x00, 0x10, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 } } }
#define LSMASH_QTFF_BOX_TYPE_INITIALIZER( x ) { x, { x, { 0x0F, 0x11, 0x4D, 0xA5, 0xBF, 0x4E, 0xF2, 0xC4, 0x8C, 0x6A, 0xA1, 0x1E } } }
lsmash_box_type_t lsmash_form_iso_box_type
(
    lsmash_compact_box_type_t type
);

lsmash_box_type_t lsmash_form_qtff_box_type
(
    lsmash_compact_box_type_t type
);

/* precedence of the box position
 * Box with higher value will precede physically other boxes with lower one.
 * The lower 32-bits are intended to determine order of boxes with the same box type. */
#define LSMASH_BOX_PRECEDENCE_L  0x0000000000800000ULL /* Lowest */
#define LSMASH_BOX_PRECEDENCE_LP 0x000FFFFF00000000ULL /* Lowest+ */
#define LSMASH_BOX_PRECEDENCE_N  0x0080000000000000ULL /* Normal */
#define LSMASH_BOX_PRECEDENCE_HM 0xFFEEEEEE00000000ULL /* Highest- */
#define LSMASH_BOX_PRECEDENCE_H  0xFFFFFFFF00800000ULL /* Highest */
#define LSMASH_BOX_PRECEDENCE_S  0x0000010000000000ULL /* Step */

/* Check if the type of two boxes is identical or not.
 *
 * Return 1 if the both box types are identical.
 * Return 0 otherwise. */
int lsmash_check_box_type_identical
(
    lsmash_box_type_t a,
    lsmash_box_type_t b
);

/* Check if the type of a given box is already specified or not.
 *
 * Return 1 if the box type is specified.
 * Return 0 otherwise, i.e. LSMASH_BOX_TYPE_UNSPECIFIED. */
int lsmash_check_box_type_specified
(
    const lsmash_box_type_t *box_type
);

/* Allocate a box.
 * The allocated box can be deallocated by lsmash_destroy_box().
 *
 * Return the address of an allocated box if successful.
 * Return NULL otherwise. */
lsmash_box_t *lsmash_create_box
(
    lsmash_box_type_t type,
    uint8_t          *data,
    uint32_t          size,
    uint64_t          precedence
);

/* Get a box under a given 'parent' box.
 * The path of a box must be terminated by LSMASH_BOX_TYPE_UNSPECIFIED.
 *
 * Return the address of the box specified by 'box_path'.
 * Return NULL otherwise. */
lsmash_box_t *lsmash_get_box
(
    lsmash_box_t           *parent,
    const lsmash_box_path_t box_path[]
);

/* Add a box into 'parent' box as a child box.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_add_box
(
    lsmash_box_t *parent,
    lsmash_box_t *box
);

/* Add a box into 'parent' box as a child box.
 * If the adding child box is known and its children (if any) are known, expand them into known
 * struct formats for the internal references within the L-SMASH library.
 * If this function succeed, the adding child box is deallocated and the address is invalid.
 * Instead of that, this function replaces the invalid address with the valid one of the new
 * allocated memory block representing the added and expanded child box.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_add_box_ex
(
    lsmash_box_t  *parent,
    lsmash_box_t **box
);

/* Deallocate a given box and its children. */
void lsmash_destroy_box
(
    lsmash_box_t *box
);

/* Deallocate all children of a given box. */
void lsmash_destroy_children
(
    lsmash_box_t *box
);

/* Get the precedence of a given box.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_box_precedence
(
    lsmash_box_t *box,
    uint64_t     *precedence
);

/* This function allows you to handle a ROOT as if it is a box.
 * Of course, you can deallocate the ROOT by lsmash_destroy_box().
 *
 * Return the address of a given ROOT as a box. */
lsmash_box_t *lsmash_root_as_box
(
    lsmash_root_t *root
);

/* This function allows you to handle the handle of a file as if it is a box.
 * Of course, you can deallocate the handle of the file by lsmash_destroy_box().
 *
 * Return the address of the handle of a given file as a box. */
lsmash_box_t *lsmash_file_as_box
(
    lsmash_file_t *file
);

/* Write a top level box and its children already added to a file.
 * WARNING:
 *   You should not use this function as long as media data is incompletely written.
 *   That is before starting to write a media data or after finishing of writing that.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_write_top_level_box
(
    lsmash_box_t *box
);

/* Export the data of a given box and its children as the binary string.
 * The returned address is of the beginning of an allocated memory block.
 * You can deallocate the memory block by lsmash_free().
 *
 * Note that some boxes cannot be exported since L-SMASH might skip the cache for them.
 * Media Data Box is an unexportable example.
 *
 * Return the address to the beginning of the binary string if successful.
 * Return NULL otherwise. */
uint8_t *lsmash_export_box
(
    lsmash_box_t *box,
    uint32_t     *size
);

/****************************************************************************
 * CODEC identifiers
 ****************************************************************************/
typedef lsmash_box_type_t lsmash_codec_type_t;

#define LSMASH_CODEC_TYPE_INITIALIZER LSMASH_BOX_TYPE_INITIALIZER
#define LSMASH_CODEC_TYPE_UNSPECIFIED LSMASH_BOX_TYPE_UNSPECIFIED

#ifndef LSMASH_INITIALIZE_CODEC_ID_HERE
#define DEFINE_ISOM_CODEC_TYPE( BOX_TYPE_NAME, BOX_TYPE_FOURCC ) \
    LSMASH_API extern const lsmash_codec_type_t BOX_TYPE_NAME
#define DEFINE_QTFF_CODEC_TYPE( BOX_TYPE_NAME, BOX_TYPE_FOURCC ) \
    LSMASH_API extern const lsmash_codec_type_t BOX_TYPE_NAME
#else
#define DEFINE_ISOM_CODEC_TYPE( BOX_TYPE_NAME, BOX_TYPE_FOURCC ) \
    const lsmash_codec_type_t BOX_TYPE_NAME = LSMASH_ISO_BOX_TYPE_INITIALIZER( BOX_TYPE_FOURCC )
#define DEFINE_QTFF_CODEC_TYPE( BOX_TYPE_NAME, BOX_TYPE_FOURCC ) \
    const lsmash_codec_type_t BOX_TYPE_NAME = LSMASH_QTFF_BOX_TYPE_INITIALIZER( BOX_TYPE_FOURCC )
#endif

/* Audio CODEC identifiers */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_AC_3_AUDIO,  LSMASH_4CC( 'a', 'c', '-', '3' ) );    /* AC-3 audio */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_ALAC_AUDIO,  LSMASH_4CC( 'a', 'l', 'a', 'c' ) );    /* Apple lossless audio codec */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_DRA1_AUDIO,  LSMASH_4CC( 'd', 'r', 'a', '1' ) );    /* DRA Audio */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_DTSC_AUDIO,  LSMASH_4CC( 'd', 't', 's', 'c' ) );    /* DTS Coherent Acoustics audio */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_DTSH_AUDIO,  LSMASH_4CC( 'd', 't', 's', 'h' ) );    /* DTS-HD High Resolution Audio */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_DTSL_AUDIO,  LSMASH_4CC( 'd', 't', 's', 'l' ) );    /* DTS-HD Master Audio */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_DTSE_AUDIO,  LSMASH_4CC( 'd', 't', 's', 'e' ) );    /* DTS Express low bit rate audio, also known as DTS LBR */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_EC_3_AUDIO,  LSMASH_4CC( 'e', 'c', '-', '3' ) );    /* Enhanced AC-3 audio */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_ENCA_AUDIO,  LSMASH_4CC( 'e', 'n', 'c', 'a' ) );    /* Encrypted/Protected audio */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_G719_AUDIO,  LSMASH_4CC( 'g', '7', '1', '9' ) );    /* ITU-T Recommendation G.719 (2008) ); */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_G726_AUDIO,  LSMASH_4CC( 'g', '7', '2', '6' ) );    /* ITU-T Recommendation G.726 (1990) ); */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_M4AE_AUDIO,  LSMASH_4CC( 'm', '4', 'a', 'e' ) );    /* MPEG-4 Audio Enhancement */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_MLPA_AUDIO,  LSMASH_4CC( 'm', 'l', 'p', 'a' ) );    /* MLP Audio */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_MP4A_AUDIO,  LSMASH_4CC( 'm', 'p', '4', 'a' ) );    /* MPEG-4 Audio */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_RAW_AUDIO,   LSMASH_4CC( 'r', 'a', 'w', ' ' ) );    /* Uncompressed audio */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_SAMR_AUDIO,  LSMASH_4CC( 's', 'a', 'm', 'r' ) );    /* Narrowband AMR voice */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_SAWB_AUDIO,  LSMASH_4CC( 's', 'a', 'w', 'b' ) );    /* Wideband AMR voice */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_SAWP_AUDIO,  LSMASH_4CC( 's', 'a', 'w', 'p' ) );    /* Extended AMR-WB (AMR-WB+) ); */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_SEVC_AUDIO,  LSMASH_4CC( 's', 'e', 'v', 'c' ) );    /* EVRC Voice */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_SQCP_AUDIO,  LSMASH_4CC( 's', 'q', 'c', 'p' ) );    /* 13K Voice */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_SSMV_AUDIO,  LSMASH_4CC( 's', 's', 'm', 'v' ) );    /* SMV Voice */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_TWOS_AUDIO,  LSMASH_4CC( 't', 'w', 'o', 's' ) );    /* Uncompressed 16-bit audio */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_WMA_AUDIO,   LSMASH_4CC( 'w', 'm', 'a', ' ' ) );    /* Windows Media Audio V2 or V3 (not registered at MP4RA) */

DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_23NI_AUDIO,    LSMASH_4CC( '2', '3', 'n', 'i' ) );    /* 32-bit little endian integer uncompressed */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_MAC3_AUDIO,    LSMASH_4CC( 'M', 'A', 'C', '3' ) );    /* MACE 3:1 */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_MAC6_AUDIO,    LSMASH_4CC( 'M', 'A', 'C', '6' ) );    /* MACE 6:1 */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_NONE_AUDIO,    LSMASH_4CC( 'N', 'O', 'N', 'E' ) );    /* either 'raw ' or 'twos' */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_QDM2_AUDIO,    LSMASH_4CC( 'Q', 'D', 'M', '2' ) );    /* Qdesign music 2 */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_QDMC_AUDIO,    LSMASH_4CC( 'Q', 'D', 'M', 'C' ) );    /* Qdesign music 1 */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_QCLP_AUDIO,    LSMASH_4CC( 'Q', 'c', 'l', 'p' ) );    /* Qualcomm PureVoice */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_AC_3_AUDIO,    LSMASH_4CC( 'a', 'c', '-', '3' ) );    /* Digital Audio Compression Standard (AC-3, Enhanced AC-3) */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_AGSM_AUDIO,    LSMASH_4CC( 'a', 'g', 's', 'm' ) );    /* GSM */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_ALAC_AUDIO,    LSMASH_4CC( 'a', 'l', 'a', 'c' ) );    /* Apple lossless audio codec */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_ALAW_AUDIO,    LSMASH_4CC( 'a', 'l', 'a', 'w' ) );    /* a-Law 2:1 */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_CDX2_AUDIO,    LSMASH_4CC( 'c', 'd', 'x', '2' ) );    /* CD/XA 2:1 */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_CDX4_AUDIO,    LSMASH_4CC( 'c', 'd', 'x', '4' ) );    /* CD/XA 4:1 */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DVCA_AUDIO,    LSMASH_4CC( 'd', 'v', 'c', 'a' ) );    /* DV Audio */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DVI_AUDIO,     LSMASH_4CC( 'd', 'v', 'i', ' ' ) );    /* DVI (as used in RTP, 4:1 compression) */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_FL32_AUDIO,    LSMASH_4CC( 'f', 'l', '3', '2' ) );    /* 32-bit float */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_FL64_AUDIO,    LSMASH_4CC( 'f', 'l', '6', '4' ) );    /* 64-bit float */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_IMA4_AUDIO,    LSMASH_4CC( 'i', 'm', 'a', '4' ) );    /* IMA (International Multimedia Assocation, defunct, 4:1) */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_IN24_AUDIO,    LSMASH_4CC( 'i', 'n', '2', '4' ) );    /* 24-bit integer uncompressed */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_IN32_AUDIO,    LSMASH_4CC( 'i', 'n', '3', '2' ) );    /* 32-bit integer uncompressed */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_LPCM_AUDIO,    LSMASH_4CC( 'l', 'p', 'c', 'm' ) );    /* Uncompressed audio (various integer and float formats) */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_MP4A_AUDIO,    LSMASH_4CC( 'm', 'p', '4', 'a' ) );    /* MPEG-4 Audio */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_RAW_AUDIO,     LSMASH_4CC( 'r', 'a', 'w', ' ' ) );    /* 8-bit offset-binary uncompressed */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_SOWT_AUDIO,    LSMASH_4CC( 's', 'o', 'w', 't' ) );    /* 16-bit little endian uncompressed */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_TWOS_AUDIO,    LSMASH_4CC( 't', 'w', 'o', 's' ) );    /* 8-bit or 16-bit big endian uncompressed */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_ULAW_AUDIO,    LSMASH_4CC( 'u', 'l', 'a', 'w' ) );    /* uLaw 2:1 */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_VDVA_AUDIO,    LSMASH_4CC( 'v', 'd', 'v', 'a' ) );    /* DV audio (variable duration per video frame) */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_FULLMP3_AUDIO, LSMASH_4CC( '.', 'm', 'p', '3' ) );    /* MPEG-1 layer 3, CBR & VBR (QT4.1 and later) */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_MP3_AUDIO,     0x6D730055 );                          /* MPEG-1 layer 3, CBR only (pre-QT4.1) */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_ADPCM2_AUDIO,  0x6D730002 );                          /* Microsoft ADPCM - ACM code 2 */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_ADPCM17_AUDIO, 0x6D730011 );                          /* DVI/Intel IMA ADPCM - ACM code 17 */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_GSM49_AUDIO,   0x6D730031 );                          /* Microsoft GSM 6.10 - ACM code 49 */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_NOT_SPECIFIED, 0x00000000 );                          /* either 'raw ' or 'twos' */

/* Video CODEC identifiers */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_AVC1_VIDEO,  LSMASH_4CC( 'a', 'v', 'c', '1' ) );    /* Advanced Video Coding
                                                                                             *   Any sample must not contain any paramerter set and filler data. */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_AVC2_VIDEO,  LSMASH_4CC( 'a', 'v', 'c', '2' ) );    /* Advanced Video Coding
                                                                                             *   Any sample must not contain any paramerter set and filler data.
                                                                                             *   May only be used when Extractors or Aggregators are required to be supported. */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_AVC3_VIDEO,  LSMASH_4CC( 'a', 'v', 'c', '3' ) );    /* Advanced Video Coding
                                                                                             *   It is allowed that sample contains parameter sets and filler data. */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_AVC4_VIDEO,  LSMASH_4CC( 'a', 'v', 'c', '4' ) );    /* Advanced Video Coding
                                                                                             *   It is allowed that sample contains parameter sets and filler data.
                                                                                             *   May only be used when Extractors or Aggregators are required to be supported. */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_AVCP_VIDEO,  LSMASH_4CC( 'a', 'v', 'c', 'p' ) );    /* Advanced Video Coding Parameters */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_DRAC_VIDEO,  LSMASH_4CC( 'd', 'r', 'a', 'c' ) );    /* Dirac Video Coder */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_ENCV_VIDEO,  LSMASH_4CC( 'e', 'n', 'c', 'v' ) );    /* Encrypted/protected video */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_HVC1_VIDEO,  LSMASH_4CC( 'h', 'v', 'c', '1' ) );    /* High Efficiency Video Coding
                                                                                             *   The default and mandatory value of array_completeness is 1 for arrays of
                                                                                             *   all types of parameter sets, and 0 for all other arrays.
                                                                                             *   This means any sample must not contain any paramerter set and filler data. */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_HEV1_VIDEO,  LSMASH_4CC( 'h', 'e', 'v', '1' ) );    /* High Efficiency Video Coding
                                                                                             *   The default value of array_completeness is 0 for all arrays.
                                                                                             *   It is allowed that sample contains parameter sets and filler data. */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_MJP2_VIDEO,  LSMASH_4CC( 'm', 'j', 'p', '2' ) );    /* Motion JPEG 2000 */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_MP4V_VIDEO,  LSMASH_4CC( 'm', 'p', '4', 'v' ) );    /* MPEG-4 Visual */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_MVC1_VIDEO,  LSMASH_4CC( 'm', 'v', 'c', '1' ) );    /* Multiview coding */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_MVC2_VIDEO,  LSMASH_4CC( 'm', 'v', 'c', '2' ) );    /* Multiview coding */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_S263_VIDEO,  LSMASH_4CC( 's', '2', '6', '3' ) );    /* ITU H.263 video (3GPP format) */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_SVC1_VIDEO,  LSMASH_4CC( 's', 'v', 'c', '1' ) );    /* Scalable Video Coding */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_VC_1_VIDEO,  LSMASH_4CC( 'v', 'c', '-', '1' ) );    /* SMPTE VC-1 */

DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_2VUY_VIDEO,    LSMASH_4CC( '2', 'v', 'u', 'y' ) );    /* Uncompressed Y'CbCr, 8-bit-per-component 4:2:2
                                                                                             *      |Cb(8)|Y'0(8)|Cr(8)|Y'1(8)| */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_CFHD_VIDEO,    LSMASH_4CC( 'C', 'F', 'H', 'D' ) );    /* CineForm High-Definition (HD) wavelet codec */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DV10_VIDEO,    LSMASH_4CC( 'D', 'V', '1', '0' ) );    /* Digital Voodoo 10 bit Uncompressed 4:2:2 codec */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DVOO_VIDEO,    LSMASH_4CC( 'D', 'V', 'O', 'O' ) );    /* Digital Voodoo 8 bit Uncompressed 4:2:2 codec */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DVOR_VIDEO,    LSMASH_4CC( 'D', 'V', 'O', 'R' ) );    /* Digital Voodoo intermediate raw */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DVTV_VIDEO,    LSMASH_4CC( 'D', 'V', 'T', 'V' ) );    /* Digital Voodoo intermediate 2vuy */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DVVT_VIDEO,    LSMASH_4CC( 'D', 'V', 'V', 'T' ) );    /* Digital Voodoo intermediate v210 */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_HD10_VIDEO,    LSMASH_4CC( 'H', 'D', '1', '0' ) );    /* Digital Voodoo 10 bit Uncompressed 4:2:2 HD codec */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_M105_VIDEO,    LSMASH_4CC( 'M', '1', '0', '5' ) );    /* Internal format of video data supported by Matrox hardware; pixel organization is proprietary*/
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_PNTG_VIDEO,    LSMASH_4CC( 'P', 'N', 'T', 'G' ) );    /* Apple MacPaint image format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_SVQ1_VIDEO,    LSMASH_4CC( 'S', 'V', 'Q', '1' ) );    /* Sorenson Video 1 video */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_SVQ3_VIDEO,    LSMASH_4CC( 'S', 'V', 'Q', '3' ) );    /* Sorenson Video 3 video */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_SHR0_VIDEO,    LSMASH_4CC( 'S', 'h', 'r', '0' ) );    /* Generic SheerVideo codec */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_SHR1_VIDEO,    LSMASH_4CC( 'S', 'h', 'r', '1' ) );    /* SheerVideo RGB[A] 8b - at 8 bits/channel */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_SHR2_VIDEO,    LSMASH_4CC( 'S', 'h', 'r', '2' ) );    /* SheerVideo Y'CbCr[A] 8bv 4:4:4[:4] - at 8 bits/channel, in ITU-R BT.601-4 video range */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_SHR3_VIDEO,    LSMASH_4CC( 'S', 'h', 'r', '3' ) );    /* SheerVideo Y'CbCr 8bv 4:2:2 - 2:1 chroma subsampling, at 8 bits/channel, in ITU-R BT.601-4 video range */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_SHR4_VIDEO,    LSMASH_4CC( 'S', 'h', 'r', '4' ) );    /* SheerVideo Y'CbCr 8bw 4:2:2 - 2:1 chroma subsampling, at 8 bits/channel, with full-range luma and wide-range two's-complement chroma */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_WRLE_VIDEO,    LSMASH_4CC( 'W', 'R', 'L', 'E' ) );    /* Windows BMP image format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_APCH_VIDEO,    LSMASH_4CC( 'a', 'p', 'c', 'h' ) );    /* Apple ProRes 422 High Quality */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_APCN_VIDEO,    LSMASH_4CC( 'a', 'p', 'c', 'n' ) );    /* Apple ProRes 422 Standard Definition */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_APCS_VIDEO,    LSMASH_4CC( 'a', 'p', 'c', 's' ) );    /* Apple ProRes 422 LT */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_APCO_VIDEO,    LSMASH_4CC( 'a', 'p', 'c', 'o' ) );    /* Apple ProRes 422 Proxy */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_AP4H_VIDEO,    LSMASH_4CC( 'a', 'p', '4', 'h' ) );    /* Apple ProRes 4444 */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_CIVD_VIDEO,    LSMASH_4CC( 'c', 'i', 'v', 'd' ) );    /* Cinepak Video */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DRAC_VIDEO,    LSMASH_4CC( 'd', 'r', 'a', 'c' ) );    /* Dirac Video Coder */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DVC_VIDEO,     LSMASH_4CC( 'd', 'v', 'c', ' ' ) );    /* DV NTSC format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DVCP_VIDEO,    LSMASH_4CC( 'd', 'v', 'c', 'p' ) );    /* DV PAL format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DVPP_VIDEO,    LSMASH_4CC( 'd', 'v', 'p', 'p' ) );    /* Panasonic DVCPro PAL format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DV5N_VIDEO,    LSMASH_4CC( 'd', 'v', '5', 'n' ) );    /* Panasonic DVCPro-50 NTSC format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DV5P_VIDEO,    LSMASH_4CC( 'd', 'v', '5', 'p' ) );    /* Panasonic DVCPro-50 PAL format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DVH2_VIDEO,    LSMASH_4CC( 'd', 'v', 'h', '2' ) );    /* Panasonic DVCPro-HD 1080p25 format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DVH3_VIDEO,    LSMASH_4CC( 'd', 'v', 'h', '3' ) );    /* Panasonic DVCPro-HD 1080p30 format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DVH5_VIDEO,    LSMASH_4CC( 'd', 'v', 'h', '5' ) );    /* Panasonic DVCPro-HD 1080i50 format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DVH6_VIDEO,    LSMASH_4CC( 'd', 'v', 'h', '6' ) );    /* Panasonic DVCPro-HD 1080i60 format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DVHP_VIDEO,    LSMASH_4CC( 'd', 'v', 'h', 'p' ) );    /* Panasonic DVCPro-HD 720p60 format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_DVHQ_VIDEO,    LSMASH_4CC( 'd', 'v', 'h', 'q' ) );    /* Panasonic DVCPro-HD 720p50 format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_FLIC_VIDEO,    LSMASH_4CC( 'f', 'l', 'i', 'c' ) );    /* Autodesk FLIC animation format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_GIF_VIDEO,     LSMASH_4CC( 'g', 'i', 'f', ' ' ) );    /* GIF image format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_H261_VIDEO,    LSMASH_4CC( 'h', '2', '6', '1' ) );    /* ITU H.261 video */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_H263_VIDEO,    LSMASH_4CC( 'h', '2', '6', '3' ) );    /* ITU H.263 video */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_JPEG_VIDEO,    LSMASH_4CC( 'j', 'p', 'e', 'g' ) );    /* JPEG image format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_MJPA_VIDEO,    LSMASH_4CC( 'm', 'j', 'p', 'a' ) );    /* Motion-JPEG (format A) */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_MJPB_VIDEO,    LSMASH_4CC( 'm', 'j', 'p', 'b' ) );    /* Motion-JPEG (format B) */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_PNG_VIDEO,     LSMASH_4CC( 'p', 'n', 'g', ' ' ) );    /* W3C Portable Network Graphics (PNG) */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_RAW_VIDEO,     LSMASH_4CC( 'r', 'a', 'w', ' ' ) );    /* Uncompressed RGB */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_RLE_VIDEO,     LSMASH_4CC( 'r', 'l', 'e', ' ' ) );    /* Apple animation codec */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_RPZA_VIDEO,    LSMASH_4CC( 'r', 'p', 'z', 'a' ) );    /* Apple simple video 'road pizza' compression */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_TGA_VIDEO,     LSMASH_4CC( 't', 'g', 'a', ' ' ) );    /* Truvision Targa video format */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_TIFF_VIDEO,    LSMASH_4CC( 't', 'i', 'f', 'f' ) );    /* Tagged Image File Format (Adobe) */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_ULRA_VIDEO,    LSMASH_4CC( 'U', 'L', 'R', 'A' ) );    /* Ut Video RGBA 4:4:4:4 8bit full-range */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_ULRG_VIDEO,    LSMASH_4CC( 'U', 'L', 'R', 'G' ) );    /* Ut Video RGB 4:4:4 8bit full-range */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_ULY0_VIDEO,    LSMASH_4CC( 'U', 'L', 'Y', '0' ) );    /* Ut Video YCbCr (BT.601) 4:2:0 8bit limited */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_ULY2_VIDEO,    LSMASH_4CC( 'U', 'L', 'Y', '2' ) );    /* Ut Video YCbCr (BT.601) 4:2:2 8bit limited */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_ULH0_VIDEO,    LSMASH_4CC( 'U', 'L', 'H', '0' ) );    /* Ut Video YCbCr (BT.709) 4:2:0 8bit limited */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_ULH2_VIDEO,    LSMASH_4CC( 'U', 'L', 'H', '2' ) );    /* Ut Video YCbCr (BT.709) 4:2:2 8bit limited */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_UQY2_VIDEO,    LSMASH_4CC( 'U', 'Q', 'Y', '2' ) );    /* Ut Video Pro YCbCr 4:2:2 10bit */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_V210_VIDEO,    LSMASH_4CC( 'v', '2', '1', '0' ) );    /* Uncompressed Y'CbCr, 10-bit-per-component 4:2:2
                                                                                             *      |Cb0(10)|Y'0(10)|Cr0(10)|XX(2)|
                                                                                             *      |Y'1(10)|Cb1(10)|Y'2(10)|XX(2)|
                                                                                             *      |Cr1(10)|Y'3(10)|Cb2(10)|XX(2)|
                                                                                             *      |Y'4(10)|Cr2(10)|Y'5(10)|XX(2)| (X is a zero bit) */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_V216_VIDEO,    LSMASH_4CC( 'v', '2', '1', '6' ) );    /* Uncompressed Y'CbCr, 10, 12, 14, or 16-bit-per-component 4:2:2
                                                                                             *      |Cb(16 LE)|Y'0(16 LE)|Cr(16 LE)|Y'1(16 LE)| */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_V308_VIDEO,    LSMASH_4CC( 'v', '3', '0', '8' ) );    /* Uncompressed Y'CbCr, 8-bit-per-component 4:4:4
                                                                                             *      |Cr(8)|Y'(8)|Cb(8)| */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_V408_VIDEO,    LSMASH_4CC( 'v', '4', '0', '8' ) );    /* Uncompressed Y'CbCrA, 8-bit-per-component 4:4:4:4
                                                                                             *      |Cb(8)|Y'(8)|Cr(8)|A(8)| */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_V410_VIDEO,    LSMASH_4CC( 'v', '4', '1', '0' ) );    /* Uncompressed Y'CbCr, 10-bit-per-component 4:4:4
                                                                                             *      |XX(2)|Cb(10)|Y'(10)|Cr(10)| (X is a zero bit) */
DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_YUV2_VIDEO,    LSMASH_4CC( 'y', 'u', 'v', '2' ) );    /* Uncompressed Y'CbCr, 8-bit-per-component 4:2:2
                                                                                             *      |Y'0(8)|Cb(8)|Y'1(8)|Cr(8)| */

/* Text CODEC identifiers */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_ENCT_TEXT,   LSMASH_4CC( 'e', 'n', 'c', 't' ) );    /* Encrypted Text */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_STPP_TEXT,   LSMASH_4CC( 's', 't', 'p', 'p' ) );    /* Sub-titles (Timed Text) */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_TX3G_TEXT,   LSMASH_4CC( 't', 'x', '3', 'g' ) );    /* 3GPP Timed Text stream */

DEFINE_QTFF_CODEC_TYPE( QT_CODEC_TYPE_TEXT_TEXT,     LSMASH_4CC( 't', 'e', 'x', 't' ) );    /* QuickTime Text Media */

/* Hint CODEC identifiers */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_FDP_HINT,    LSMASH_4CC( 'f', 'd', 'p', ' ' ) );    /* File delivery hints */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_M2TS_HINT,   LSMASH_4CC( 'm', '2', 't', 's' ) );    /* MPEG-2 transport stream for DMB */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_PM2T_HINT,   LSMASH_4CC( 'p', 'm', '2', 't' ) );    /* Protected MPEG-2 Transport */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_PRTP_HINT,   LSMASH_4CC( 'p', 'r', 't', 'p' ) );    /* Protected RTP Reception */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_RM2T_HINT,   LSMASH_4CC( 'r', 'm', '2', 't' ) );    /* MPEG-2 Transport Reception */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_RRTP_HINT,   LSMASH_4CC( 'r', 'r', 't', 'p' ) );    /* RTP reception */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_RSRP_HINT,   LSMASH_4CC( 'r', 's', 'r', 'p' ) );    /* SRTP Reception */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_RTP_HINT,    LSMASH_4CC( 'r', 't', 'p', ' ' ) );    /* RTP Hints */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_SM2T_HINT,   LSMASH_4CC( 's', 'm', '2', 't' ) );    /* MPEG-2 Transport Server */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_SRTP_HINT,   LSMASH_4CC( 's', 'r', 't', 'p' ) );    /* SRTP Hints */

/* Metadata CODEC identifiers */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_IXSE_META,   LSMASH_4CC( 'i', 'x', 's', 'e' ) );    /* DVB Track Level Index Track */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_METT_META,   LSMASH_4CC( 'm', 'e', 't', 't' ) );    /* Text timed metadata */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_METX_META,   LSMASH_4CC( 'm', 'e', 't', 'x' ) );    /* XML timed metadata */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_MLIX_META,   LSMASH_4CC( 'm', 'l', 'i', 'x' ) );    /* DVB Movie level index track */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_OKSD_META,   LSMASH_4CC( 'o', 'k', 's', 'd' ) );    /* OMA Keys */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_SVCM_META,   LSMASH_4CC( 's', 'v', 'c', 'M' ) );    /* SVC metadata */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_TEXT_META,   LSMASH_4CC( 't', 'e', 'x', 't' ) );    /* Textual meta-data with MIME type */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_URIM_META,   LSMASH_4CC( 'u', 'r', 'i', 'm' ) );    /* URI identified timed metadata */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_XML_META,    LSMASH_4CC( 'x', 'm', 'l', ' ' ) );    /* XML-formatted meta-data */

/* Other CODEC identifiers */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_ENCS_SYSTEM, LSMASH_4CC( 'e', 'n', 'c', 's' ) );    /* Encrypted Systems stream */
DEFINE_ISOM_CODEC_TYPE( ISOM_CODEC_TYPE_MP4S_SYSTEM, LSMASH_4CC( 'm', 'p', '4', 's' ) );    /* MPEG-4 Systems */

DEFINE_QTFF_CODEC_TYPE( LSMASH_CODEC_TYPE_RAW,       LSMASH_4CC( 'r', 'a', 'w', ' ' ) );    /* Either video or audio */

/* Check if the identifier of two CODECs is identical or not.
 *
 * Return 1 if the both CODEC identifiers are identical.
 * Return 0 otherwise. */
int lsmash_check_codec_type_identical
(
    lsmash_codec_type_t a,
    lsmash_codec_type_t b
);

/****************************************************************************
 * Summary of Stream Configuration
 *   This is L-SMASH's original structure.
 ****************************************************************************/
typedef enum
{
    LSMASH_SUMMARY_TYPE_UNKNOWN = 0,
    LSMASH_SUMMARY_TYPE_VIDEO,
    LSMASH_SUMMARY_TYPE_AUDIO,
} lsmash_summary_type;

typedef enum
{
    LSMASH_CODEC_SPECIFIC_DATA_TYPE_UNSPECIFIED = -1,                   /* must be LSMASH_CODEC_SPECIFIC_FORMAT_UNSPECIFIED */

    LSMASH_CODEC_SPECIFIC_DATA_TYPE_UNKNOWN     = 0,                    /* must be LSMASH_CODEC_SPECIFIC_FORMAT_UNSTRUCTURED */

    LSMASH_CODEC_SPECIFIC_DATA_TYPE_MP4SYS_DECODER_CONFIG,

    LSMASH_CODEC_SPECIFIC_DATA_TYPE_ISOM_VIDEO_H264,
    LSMASH_CODEC_SPECIFIC_DATA_TYPE_ISOM_VIDEO_HEVC,
    LSMASH_CODEC_SPECIFIC_DATA_TYPE_ISOM_VIDEO_VC_1,
    LSMASH_CODEC_SPECIFIC_DATA_TYPE_ISOM_AUDIO_AC_3,
    LSMASH_CODEC_SPECIFIC_DATA_TYPE_ISOM_AUDIO_EC_3,
    LSMASH_CODEC_SPECIFIC_DATA_TYPE_ISOM_AUDIO_DTS,
    LSMASH_CODEC_SPECIFIC_DATA_TYPE_ISOM_AUDIO_ALAC,

    LSMASH_CODEC_SPECIFIC_DATA_TYPE_ISOM_VIDEO_SAMPLE_SCALE,
    LSMASH_CODEC_SPECIFIC_DATA_TYPE_ISOM_VIDEO_H264_BITRATE,

    LSMASH_CODEC_SPECIFIC_DATA_TYPE_QT_VIDEO_COMMON,                    /* must be LSMASH_CODEC_SPECIFIC_FORMAT_STRUCTURED */
    LSMASH_CODEC_SPECIFIC_DATA_TYPE_QT_AUDIO_COMMON,                    /* must be LSMASH_CODEC_SPECIFIC_FORMAT_STRUCTURED */
    LSMASH_CODEC_SPECIFIC_DATA_TYPE_QT_AUDIO_FORMAT_SPECIFIC_FLAGS,     /* must be LSMASH_CODEC_SPECIFIC_FORMAT_STRUCTURED */
    LSMASH_CODEC_SPECIFIC_DATA_TYPE_QT_AUDIO_DECOMPRESSION_PARAMETERS,  /* must be LSMASH_CODEC_SPECIFIC_FORMAT_UNSTRUCTURED */

    LSMASH_CODEC_SPECIFIC_DATA_TYPE_QT_VIDEO_FIELD_INFO,
    LSMASH_CODEC_SPECIFIC_DATA_TYPE_QT_VIDEO_PIXEL_FORMAT,
    LSMASH_CODEC_SPECIFIC_DATA_TYPE_QT_VIDEO_SIGNIFICANT_BITS,
    LSMASH_CODEC_SPECIFIC_DATA_TYPE_QT_VIDEO_GAMMA_LEVEL,
    LSMASH_CODEC_SPECIFIC_DATA_TYPE_QT_AUDIO_CHANNEL_LAYOUT,

    LSMASH_CODEC_SPECIFIC_DATA_TYPE_CODEC_GLOBAL_HEADER,
} lsmash_codec_specific_data_type;

typedef enum
{
    LSMASH_CODEC_SPECIFIC_FORMAT_UNSPECIFIED  = -1,
    LSMASH_CODEC_SPECIFIC_FORMAT_STRUCTURED   = 0,
    LSMASH_CODEC_SPECIFIC_FORMAT_UNSTRUCTURED = 1
} lsmash_codec_specific_format;

typedef union
{
    void    *always_null;       /* LSMASH_CODEC_SPECIFIC_FORMAT_UNSPECIFIED */
    void    *structured;        /* LSMASH_CODEC_SPECIFIC_FORMAT_STRUCTURED */
    uint8_t *unstructured;      /* LSMASH_CODEC_SPECIFIC_FORMAT_UNSTRUCTURED */
} lsmash_codec_specific_data_t;

typedef void (*lsmash_codec_specific_destructor_t)( void * );
typedef struct
{
    lsmash_codec_specific_data_type    type;
    lsmash_codec_specific_format       format;
    lsmash_codec_specific_data_t       data;
    uint32_t                           size;
    lsmash_codec_specific_destructor_t destruct;
} lsmash_codec_specific_t;

typedef struct lsmash_codec_specific_list_tag lsmash_codec_specific_list_t;

typedef enum
{
    LSMASH_CODEC_SUPPORT_FLAG_NONE  = 0,
    LSMASH_CODEC_SUPPORT_FLAG_MUX   = 1 << 0,   /* It's expected that L-SMASH can mux CODEC stream properly.
                                                 * If not flagged, L-SMASH may recognize and/or handle CODEC specific info incorrectly when muxing. */
    LSMASH_CODEC_SUPPORT_FLAG_DEMUX = 1 << 1,   /* It's expected that L-SMASH can demux CODEC stream properly.
                                                 * If not flagged, L-SMASH may recognize and/or handle CODEC specific info incorrectly when demuxing. */
    LSMASH_CODEC_SUPPORT_FLAG_REMUX = LSMASH_CODEC_SUPPORT_FLAG_MUX | LSMASH_CODEC_SUPPORT_FLAG_DEMUX,
} lsmash_codec_support_flag;

#define LSMASH_BASE_SUMMARY                                                                         \
    lsmash_summary_type           summary_type;                                                     \
    lsmash_codec_type_t           sample_type;                                                      \
    lsmash_codec_specific_list_t *opaque;                                                           \
    uint32_t                      max_au_length;    /* buffer length for 1 access unit,             \
                                                     * typically max size of 1 audio/video frame */ \
    uint32_t                      data_ref_index;   /* the index of a data reference */

typedef struct
{
    LSMASH_BASE_SUMMARY
} lsmash_summary_t;

/* Allocate a summary by 'summary_type'.
 * The allocated summary can be deallocated by lsmash_cleanup_summary().
 *
 * Return the address of an allocated summary if successful.
 * Return NULL otherwise. */
lsmash_summary_t *lsmash_create_summary
(
    lsmash_summary_type summary_type    /* a type of summary you want */
);

/* Deallocate a given summary. */
void lsmash_cleanup_summary
(
    lsmash_summary_t *summary   /* the address of a summary you want to deallocate */
);

/* Allocate and append a new sample description to a track by 'summary'.
 *
 * Return the index of an allocated and appended sample description if successful.
 * Return 0 otherwise. */
int lsmash_add_sample_entry
(
    lsmash_root_t *root,        /* the address of the ROOT containing a track to which you want to append a new sample description */
    uint32_t       track_ID,    /* the track_ID of a track to which you want to append a new sample description */
    void          *summary      /* the summary of a sample description you want to append */
);

/* Count the number of summaries in a track.
 *
 * Return the number of summaries in a track if no error.
 * Return 0 otherwise. */
uint32_t lsmash_count_summary
(
    lsmash_root_t *root,        /* the address of the ROOT containing a track in which you want to count the number of summaries */
    uint32_t       track_ID     /* the track_ID of a track in which you want to count the number of summaries */
);

/* Get the summary of a sample description you want in a track.
 * The summary returned by this function is allocated internally, and can be deallocate by lsmash_cleanup_summary().
 *
 * Return the address of an allocated summary you want if successful.
 * Return NULL otherwise. */
lsmash_summary_t *lsmash_get_summary
(
    lsmash_root_t *root,                /* the address of the ROOT containing a track which contains a sample description you want */
    uint32_t       track_ID,            /* the track_ID of a track containing a sample description you want */
    uint32_t       description_number   /* the index of a sample description you want */
);

/* Allocate and initialize a CODEC specific configuration by 'type' and 'format'.
 * The allocated CODEC specific configuration can be deallocated by lsmash_destroy_codec_specific_data().
 *
 * Return the address of an allocated and initialized CODEC specific configuration if successful.
 * Return NULL otherwise. */
lsmash_codec_specific_t *lsmash_create_codec_specific_data
(
    lsmash_codec_specific_data_type type,
    lsmash_codec_specific_format    format
);

/* Deallocate a CODEC specific configuration. */
void lsmash_destroy_codec_specific_data
(
    lsmash_codec_specific_t *specific   /* the address of a CODEC specific configuration you want to deallocate */
);

/* Allocate a CODEC specific configuration which is a copy of 'specific', and append it to 'summary'.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_add_codec_specific_data
(
    lsmash_summary_t        *summary,
    lsmash_codec_specific_t *specific
);

/* Count the number of CODEC specific configuration in a summary.
 *
 * Return the number of CODEC specific configuration in a summary if successful.
 * Return 0 otherwise. */
uint32_t lsmash_count_codec_specific_data
(
    lsmash_summary_t *summary   /* the address of a summary in which you want to count the number of CODEC specific configuration */
);

/* Get a CODEC specific configuration you want in a summary.
 *
 * Return the address of a CODEC specific configuration if successful.
 * Return NULL otherwise. */
lsmash_codec_specific_t *lsmash_get_codec_specific_data
(
    lsmash_summary_t *summary,
    uint32_t          extension_number
);

/* Convert a data format of CODEC specific configuration into another.
 * User can specify the same data format for the destination.
 * If so, a returned CODEC specific configuration is a copy of the source.
 *
 * Return an allocated CODEC specific configuration by specified 'format' from 'specific' if successful.
 * Return NULL otherwise. */
lsmash_codec_specific_t *lsmash_convert_codec_specific_format
(
    lsmash_codec_specific_t     *specific,  /* the address of a CODEC specific configuration as the source */
    lsmash_codec_specific_format format     /* a data format of the destination */
);

/* Compare two summaries.
 *
 * Return 0 if the two summaries are identical.
 * Return 1 if the two summaries are different.
 * Return a negative value if there is any error. */
int lsmash_compare_summary
(
    lsmash_summary_t *a,
    lsmash_summary_t *b
);

/* Check status of CODEC support.
 *
 * Return support flags of a given CODEC. */
lsmash_codec_support_flag lsmash_check_codec_support
(
    lsmash_codec_type_t codec_type
);

/****************************************************************************
 * Audio Description Layer
 ****************************************************************************/
/* Audio Object Types */
typedef enum
{
    MP4A_AUDIO_OBJECT_TYPE_NULL                           = 0,
    MP4A_AUDIO_OBJECT_TYPE_AAC_MAIN                       = 1,  /* ISO/IEC 14496-3 subpart 4 */
    MP4A_AUDIO_OBJECT_TYPE_AAC_LC                         = 2,  /* ISO/IEC 14496-3 subpart 4 */
    MP4A_AUDIO_OBJECT_TYPE_AAC_SSR                        = 3,  /* ISO/IEC 14496-3 subpart 4 */
    MP4A_AUDIO_OBJECT_TYPE_AAC_LTP                        = 4,  /* ISO/IEC 14496-3 subpart 4 */
    MP4A_AUDIO_OBJECT_TYPE_SBR                            = 5,  /* ISO/IEC 14496-3 subpart 4 */
    MP4A_AUDIO_OBJECT_TYPE_AAC_scalable                   = 6,  /* ISO/IEC 14496-3 subpart 4 */
    MP4A_AUDIO_OBJECT_TYPE_TwinVQ                         = 7,  /* ISO/IEC 14496-3 subpart 4 */
    MP4A_AUDIO_OBJECT_TYPE_CELP                           = 8,  /* ISO/IEC 14496-3 subpart 3 */
    MP4A_AUDIO_OBJECT_TYPE_HVXC                           = 9,  /* ISO/IEC 14496-3 subpart 2 */
    MP4A_AUDIO_OBJECT_TYPE_TTSI                           = 12, /* ISO/IEC 14496-3 subpart 6 */
    MP4A_AUDIO_OBJECT_TYPE_Main_synthetic                 = 13, /* ISO/IEC 14496-3 subpart 5 */
    MP4A_AUDIO_OBJECT_TYPE_Wavetable_synthesis            = 14, /* ISO/IEC 14496-3 subpart 5 */
    MP4A_AUDIO_OBJECT_TYPE_General_MIDI                   = 15, /* ISO/IEC 14496-3 subpart 5 */
    MP4A_AUDIO_OBJECT_TYPE_Algorithmic_Synthesis_Audio_FX = 16, /* ISO/IEC 14496-3 subpart 5 */
    MP4A_AUDIO_OBJECT_TYPE_ER_AAC_LC                      = 17, /* ISO/IEC 14496-3 subpart 4 */
    MP4A_AUDIO_OBJECT_TYPE_ER_AAC_LTP                     = 19, /* ISO/IEC 14496-3 subpart 4 */
    MP4A_AUDIO_OBJECT_TYPE_ER_AAC_scalable                = 20, /* ISO/IEC 14496-3 subpart 4 */
    MP4A_AUDIO_OBJECT_TYPE_ER_Twin_VQ                     = 21, /* ISO/IEC 14496-3 subpart 4 */
    MP4A_AUDIO_OBJECT_TYPE_ER_BSAC                        = 22, /* ISO/IEC 14496-3 subpart 4 */
    MP4A_AUDIO_OBJECT_TYPE_ER_AAC_LD                      = 23, /* ISO/IEC 14496-3 subpart 4 */
    MP4A_AUDIO_OBJECT_TYPE_ER_CELP                        = 24, /* ISO/IEC 14496-3 subpart 3 */
    MP4A_AUDIO_OBJECT_TYPE_ER_HVXC                        = 25, /* ISO/IEC 14496-3 subpart 2 */
    MP4A_AUDIO_OBJECT_TYPE_ER_HILN                        = 26, /* ISO/IEC 14496-3 subpart 7 */
    MP4A_AUDIO_OBJECT_TYPE_ER_Parametric                  = 27, /* ISO/IEC 14496-3 subpart 2 and 7 */
    MP4A_AUDIO_OBJECT_TYPE_SSC                            = 28, /* ISO/IEC 14496-3 subpart 8 */
    MP4A_AUDIO_OBJECT_TYPE_PS                             = 29, /* ISO/IEC 14496-3 subpart 8 */
    MP4A_AUDIO_OBJECT_TYPE_MPEG_Surround                  = 30, /* ISO/IEC 23003-1 */
    MP4A_AUDIO_OBJECT_TYPE_ESCAPE                         = 31,
    MP4A_AUDIO_OBJECT_TYPE_Layer_1                        = 32, /* ISO/IEC 14496-3 subpart 9 */
    MP4A_AUDIO_OBJECT_TYPE_Layer_2                        = 33, /* ISO/IEC 14496-3 subpart 9 */
    MP4A_AUDIO_OBJECT_TYPE_Layer_3                        = 34, /* ISO/IEC 14496-3 subpart 9 */
    MP4A_AUDIO_OBJECT_TYPE_DST                            = 35, /* ISO/IEC 14496-3 subpart 10 */
    MP4A_AUDIO_OBJECT_TYPE_ALS                            = 36, /* ISO/IEC 14496-3 subpart 11 */
    MP4A_AUDIO_OBJECT_TYPE_SLS                            = 37, /* ISO/IEC 14496-3 subpart 12 */
    MP4A_AUDIO_OBJECT_TYPE_SLS_non_core                   = 38, /* ISO/IEC 14496-3 subpart 12 */
    MP4A_AUDIO_OBJECT_TYPE_ER_AAC_ELD                     = 39, /* ISO/IEC 14496-3 subpart 4 */
    MP4A_AUDIO_OBJECT_TYPE_SMR_Simple                     = 40, /* ISO/IEC 14496-23 */
    MP4A_AUDIO_OBJECT_TYPE_SMR_Main                       = 41, /* ISO/IEC 14496-23 */
    MP4A_AUDIO_OBJECT_TYPE_SAOC                           = 43, /* ISO/IEC 23003-2 */
} lsmash_mp4a_AudioObjectType;

/* See ISO/IEC 14496-3 Signaling of SBR, SBR Signaling and Corresponding Decoder Behavior */
typedef enum
{
    MP4A_AAC_SBR_NOT_SPECIFIED = 0x0,   /* not mention to SBR presence. Implicit signaling. */
    MP4A_AAC_SBR_NONE,                  /* explicitly signals SBR does not present. Useless in general. */
    MP4A_AAC_SBR_BACKWARD_COMPATIBLE,   /* explicitly signals SBR present. Recommended method to signal SBR. */
    MP4A_AAC_SBR_HIERARCHICAL           /* SBR exists. SBR dedicated method. */
} lsmash_mp4a_aac_sbr_mode;

typedef struct
{
    LSMASH_BASE_SUMMARY
    lsmash_mp4a_AudioObjectType aot;    /* detailed codec type
                                         *   If neither ISOM_CODEC_TYPE_MP4A_AUDIO nor QT_CODEC_TYPE_MP4A_AUDIO, just ignored. */
    uint32_t frequency;                 /* the audio sampling rate (in Hz) at the default output playback
                                         *   For some audio, this field is used as a nominal value.
                                         *   For HE-AAC v1/SBR stream, this is base AAC's one.
                                         *   For ISOM_CODEC_TYPE_AC_3_AUDIO and ISOM_CODEC_TYPE_EC_3_AUDIO, this shall be
                                         *   equal to the sampling rate (in Hz) of the stream and the media timescale. */
    uint32_t channels;                  /* the number of audio channels at the default output playback
                                         *   Even if the stream is HE-AAC v2/SBR+PS, this is base AAC's one. */
    uint32_t sample_size;               /* For uncompressed audio,
                                         *   the number of bits in each uncompressed sample for a single channel.
                                         * For some compressed audio, such as audio that uses MDCT,
                                         *   N/A (not applicable), and may be set to 16. */
    uint32_t samples_in_frame;          /* the number of decoded PCM samples in an audio frame at 'frequency'
                                         *   Even if the stream is HE-AAC/aacPlus/SBR(+PS), this is base AAC's one, so 1024. */
    lsmash_mp4a_aac_sbr_mode sbr_mode;  /* SBR treatment
                                         *   Currently we always set this as mp4a_AAC_SBR_NOT_SPECIFIED (Implicit signaling).
                                         *   User can set this for treatment in other way. */
    uint32_t bytes_per_frame;           /* the number of bytes per audio frame
                                         *   If variable, shall be set to 0. */
} lsmash_audio_summary_t;

/* Facilitate to make exdata (typically DecoderSpecificInfo or AudioSpecificConfig). */
int lsmash_setup_AudioSpecificConfig
(
    lsmash_audio_summary_t* summary
);

/****************************************************************************
 * Video Description Layer
 ****************************************************************************/
/* Clean Aperture */
typedef struct
{
    lsmash_rational_u32_t width;
    lsmash_rational_u32_t height;
    lsmash_rational_s32_t horizontal_offset;
    lsmash_rational_s32_t vertical_offset;
} lsmash_clap_t;

typedef struct
{
    lsmash_rational_u32_t top;
    lsmash_rational_u32_t left;
    lsmash_rational_u32_t bottom;
    lsmash_rational_u32_t right;
} lsmash_crop_t;

/* Video depth */
typedef enum
{
    ISOM_DEPTH_TEMPLATE = 0x0018,

    /* H.264/AVC */
    AVC_DEPTH_COLOR_WITH_NO_ALPHA     = 0x0018,     /* color with no alpha */
    AVC_DEPTH_GRAYSCALE_WITH_NO_ALPHA = 0x0028,     /* grayscale with no alpha */
    AVC_DEPTH_WITH_ALPHA              = 0x0020,     /* gray or color with alpha */

    /* QuickTime Video
     * (1-32) or (33-40 grayscale) */
    QT_VIDEO_DEPTH_COLOR_1      = 0x0001,
    QT_VIDEO_DEPTH_COLOR_2      = 0x0002,
    QT_VIDEO_DEPTH_COLOR_4      = 0x0004,
    QT_VIDEO_DEPTH_COLOR_8      = 0x0008,
    QT_VIDEO_DEPTH_COLOR_16     = 0x0010,
    QT_VIDEO_DEPTH_COLOR_24     = 0x0018,
    QT_VIDEO_DEPTH_COLOR_32     = 0x0020,
    QT_VIDEO_DEPTH_GRAYSCALE_1  = 0x0021,
    QT_VIDEO_DEPTH_GRAYSCALE_2  = 0x0022,
    QT_VIDEO_DEPTH_GRAYSCALE_4  = 0x0024,
    QT_VIDEO_DEPTH_GRAYSCALE_8  = 0x0028,

    /* QuickTime Uncompressed RGB */
    QT_VIDEO_DEPTH_555RGB = 0x0010,
    QT_VIDEO_DEPTH_24RGB  = 0x0018,
    QT_VIDEO_DEPTH_32ARGB = 0x0020,
} lsmash_video_depth;

/* Index for the chromaticity coordinates of the color primaries */
enum
{
    /* for ISO Base Media file format */
    ISOM_PRIMARIES_INDEX_ITU_R709_5      = 1,   /* ITU-R BT.709-2/5, ITU-R BT.1361,
                                                 * SMPTE 274M-1995, SMPTE 296M-1997,
                                                 * IEC 61966-2-1 (sRGB or sYCC), IEC 61966-2-4 (xvYCC),
                                                 * SMPTE RP 177M-1993 Annex B
                                                 *   green x = 0.300  y = 0.600
                                                 *   blue  x = 0.150  y = 0.060
                                                 *   red   x = 0.640  y = 0.330
                                                 *   white x = 0.3127 y = 0.3290 (CIE III. D65) */
    ISOM_PRIMARIES_INDEX_UNSPECIFIED     = 2,   /* Unspecified */
    ISOM_PRIMARIES_INDEX_ITU_R470M       = 4,   /* ITU-R BT.470-6 System M
                                                 *   green x = 0.21  y = 0.71
                                                 *   blue  x = 0.14  y = 0.08
                                                 *   red   x = 0.67  y = 0.33
                                                 *   white x = 0.310 y = 0.316 */
    ISOM_PRIMARIES_INDEX_ITU_R470BG      = 5,   /* EBU Tech. 3213 (1981), ITU-R BT.470-6 System B, G,
                                                 * ITU-R BT.601-6 625, ITU-R BT.1358 625,
                                                 * ITU-R BT.1700 625 PAL and 625 SECAM
                                                 *   green x = 0.29   y = 0.60
                                                 *   blue  x = 0.15   y = 0.06
                                                 *   red   x = 0.64   y = 0.33
                                                 *   white x = 0.3127 y = 0.3290 (CIE III. D65) */
    ISOM_PRIMARIES_INDEX_SMPTE_170M_2004 = 6,   /* SMPTE C Primaries from SMPTE RP 145-1993, SMPTE 170M-2004,
                                                 * ITU-R BT.601-6 525, ITU-R BT.1358 525,
                                                 * ITU-R BT.1700 NTSC, SMPTE 170M-2004
                                                 *   green x = 0.310  y = 0.595
                                                 *   blue  x = 0.155  y = 0.070
                                                 *   red   x = 0.630  y = 0.340
                                                 *   white x = 0.3127 y = 0.3290 (CIE III. D65) */
    ISOM_PRIMARIES_INDEX_SMPTE_240M_1999 = 7,   /* SMPTE 240M-1999
                                                 * functionally the same as the value ISOM_PRIMARIES_INDEX_SMPTE_170M_2004 */

    /* for QuickTime file format */
    QT_PRIMARIES_INDEX_ITU_R709_2        = 1,   /* the same as the value ISOM_PRIMARIES_INDEX_ITU_R709_5 */
    QT_PRIMARIES_INDEX_UNSPECIFIED       = 2,   /* Unspecified */
    QT_PRIMARIES_INDEX_EBU_3213          = 5,   /* the same as the value ISOM_PRIMARIES_INDEX_ITU_R470BG */
    QT_PRIMARIES_INDEX_SMPTE_C           = 6,   /* the same as the value ISOM_PRIMARIES_INDEX_SMPTE_170M_2004 */
};

/* Index for the opto-electronic transfer characteristic of the image color components */
enum
{
    /* for ISO Base Media file format */
    ISOM_TRANSFER_INDEX_ITU_R709_5      = 1,    /* ITU-R BT.709-2/5, ITU-R BT.1361
                                                 * SMPTE 274M-1995, SMPTE 296M-1997,
                                                 * SMPTE 293M-1996, SMPTE 170M-1994
                                                 *   vV = 1.099 * vLc^0.45 - 0.099 for 1 >= vLc >= 0.018
                                                 *   vV = 4.500 * vLc              for 0.018 > vLc >= 0 */
    ISOM_TRANSFER_INDEX_UNSPECIFIED     = 2,    /* Unspecified */
    ISOM_TRANSFER_INDEX_ITU_R470M       = 4,    /* ITU-R BT.470-6 System M, ITU-R BT.1700 625 PAL and 625 SECAM
                                                 *   Assumed display gamma 2.2 */
    ISOM_TRANSFER_INDEX_ITU_R470BG      = 5,    /* ITU-R BT.470-6 System B, G
                                                 *   Assumed display gamma 2.8 */
    ISOM_TRANSFER_INDEX_SMPTE_170M_2004 = 6,    /* ITU-R BT.601-6 525 or 625, ITU-R BT.1358 525 or 625,
                                                 * ITU-R BT.1700 NTSC, SMPTE 170M-2004
                                                 * functionally the same as the value ISOM_TRANSFER_INDEX_ITU_R709_5
                                                 *   vV = 1.099 * vLc^0.45 - 0.099 for 1 >= vLc >= 0.018
                                                 *   vV = 4.500 * vLc              for 0.018 > vLc >= 0 */
    ISOM_TRANSFER_INDEX_SMPTE_240M_1999 = 7,    /* SMPTE 240M-1995/1999, interim color implementation of SMPTE 274M-1995
                                                 *   vV = 1.1115 * vLc^0.45 - 0.1115 for 1 >= vLc >= 0.0228
                                                 *   vV = 4.0 * vLc                  for 0.0228 > vLc >= 0 */
    ISOM_TRANSFER_INDEX_LINEAR          = 8,    /* Linear transfer characteristics */
    ISOM_TRANSFER_INDEX_XVYCC           = 11,   /* IEC 61966-2-4 (xvYCC)
                                                 *   vV = 1.099 * vLc^0.45 - 0.099     for vLc >= 0.018
                                                 *   vV = 4.500 * vLc                  for 0.018 > vLc > -0.018
                                                 *   vV = -1.099 * (-vLc)^0.45 + 0.099 for -0.018 >= vLc */
    ISOM_TRANSFER_INDEX_ITU_R1361       = 12,   /* ITU-R BT.1361
                                                 *   vV = 1.099 * vLc^0.45 - 0.099               for 1.33 > vLc >= 0.018
                                                 *   vV = 4.500 * vLc                            for 0.018 > vLc >= -0.0045
                                                 *   vV = -(1.099 * (-4 * vLc)^0.45 + 0.099) / 4 for -0.0045 > vLc >= -0.25 */
    ISOM_TRANSFER_INDEX_SRGB            = 13,   /* IEC 61966-2-1 (sRGB or sYCC)
                                                 *   vV = 1.055 * vLc^(1/2.4) - 0.055 for 1 > vLc >= 0.0031308
                                                 *   vV = 12.92 * vLc                 for 0.0031308 > vLc >= 0 */

    /* for QuickTime file format */
    QT_TRANSFER_INDEX_ITU_R709_2        = 1,    /* the same as the value ISOM_TRANSFER_INDEX_ITU_R709_5 */
    QT_TRANSFER_INDEX_UNSPECIFIED       = 2,    /* Unspecified */
    QT_TRANSFER_INDEX_SMPTE_240M_1995   = 7,    /* the same as the value ISOM_TRANSFER_INDEX_SMPTE_240M_1999 */
};

/* Index for the matrix coefficients associated with derivation of luma and chroma signals from the green, blue, and red primaries */
enum
{
    /* for ISO Base Media file format */
    ISOM_MATRIX_INDEX_NO_MATRIX       = 0,  /* No matrix transformation
                                             * IEC 61966-2-1 (sRGB) */
    ISOM_MATRIX_INDEX_ITU_R_709_5     = 1,  /* ITU-R BT.709-2/5, ITU-R BT.1361,
                                             * SMPTE 274M-1995, SMPTE 296M-1997
                                             * IEC 61966-2-1 (sYCC), IEC 61966-2-4 xvYCC_709,
                                             * SMPTE RP 177M-1993 Annex B
                                             *   vKr = 0.2126; vKb = 0.0722 */
    ISOM_MATRIX_INDEX_UNSPECIFIED     = 2,  /* Unspecified */
    ISOM_MATRIX_INDEX_USFCCT_47_CFR   = 4,  /* United States Federal Communications Commission Title 47 Code of Federal Regulations
                                             *   vKr = 0.30; vKb = 0.11 */
    ISOM_MATRIX_INDEX_ITU_R470BG      = 5,  /* ITU-R BT.470-6 System B, G,
                                             * ITU-R BT.601-4/6 625, ITU-R BT.1358 625,
                                             * ITU-R BT.1700 625 PAL and 625 SECAM, IEC 61966-2-4 xvYCC601
                                             *   vKr = 0.299; vKb = 0.114 */
    ISOM_MATRIX_INDEX_SMPTE_170M_2004 = 6,  /* ITU-R BT.601-4/6 525, ITU-R BT.1358 525,
                                             * ITU-R BT.1700 NTSC,
                                             * SMPTE 170M-1994, SMPTE 293M-1996
                                             * functionally the same as the value ISOM_MATRIX_INDEX_ITU_R470BG
                                             *   vKr = 0.299; vKb = 0.114 */
    ISOM_MATRIX_INDEX_SMPTE_240M_1999 = 7,  /* SMPTE 240M-1995, interim color implementation of SMPTE 274M-1995
                                             *   vKr = 0.212; vKb = 0.087 */
    ISOM_MATRIX_INDEX_YCGCO           = 8,  /* YCoCg */

    /* for QuickTime file format */
    QT_MATRIX_INDEX_ITU_R_709_2       = 1,  /* the same as the value ISOM_MATRIX_INDEX_ITU_R_709_5 */
    QT_MATRIX_INDEX_UNSPECIFIED       = 2,  /* Unspecified */
    QT_MATRIX_INDEX_ITU_R_601_4       = 6,  /* the same as the value ISOM_MATRIX_INDEX_SMPTE_170M_2004 */
    QT_MATRIX_INDEX_SMPTE_240M_1995   = 7   /* the same as the value ISOM_MATRIX_INDEX_SMPTE_240M_1999 */
};

typedef struct
{
    LSMASH_BASE_SUMMARY
    // lsmash_mp4v_VideoObjectType vot;            /* Detailed codec type. If not mp4v, just ignored. */
    uint32_t           timescale;           /* media timescale
                                             * User can't set this parameter manually. */
    uint32_t           timebase;            /* increment unit of timestamp
                                             * User can't set this parameter manually. */
    uint8_t            vfr;                 /* whether a stream is assumed as variable frame rate
                                             * User can't set this parameter manually. */
    uint8_t            sample_per_field;    /* whether a stream may have a sample per field
                                             * User can't set this parameter manually. */
    uint32_t           width;               /* pixel counts of width samples have */
    uint32_t           height;              /* pixel counts of height samples have */
    char               compressorname[33];  /* a 32-byte Pascal string containing the name of the compressor that created the image */
    lsmash_video_depth depth;               /* data size of a pixel */
    lsmash_clap_t      clap;                /* clean aperture */
    uint32_t           par_h;               /* horizontal factor of pixel aspect ratio */
    uint32_t           par_v;               /* vertical factor of pixel aspect ratio */
    struct
    {
        /* To omit to write these field, set zero value to all them. */
        uint16_t primaries_index;   /* the chromaticity coordinates of the color primaries */
        uint16_t transfer_index;    /* the opto-electronic transfer characteristic of the image color components */
        uint16_t matrix_index;      /* the matrix coefficients associated with derivation of luma and chroma signals from the green, blue, and red primaries */
        uint8_t  full_range;
    } color;
} lsmash_video_summary_t;

int lsmash_convert_crop_into_clap
(
    lsmash_crop_t  crop,
    uint32_t       width,
    uint32_t       height,
    lsmash_clap_t *clap
);

int lsmash_convert_clap_into_crop
(
    lsmash_clap_t  clap,
    uint32_t       width,
    uint32_t       height,
    lsmash_crop_t *crop
);

/****************************************************************************
 * Media Sample
 ****************************************************************************/
typedef enum
{
    /* allow_ealier */
    QT_SAMPLE_EARLIER_PTS_ALLOWED       = 1,
    /* leading */
    ISOM_SAMPLE_LEADING_UNKNOWN         = 0,
    ISOM_SAMPLE_IS_UNDECODABLE_LEADING  = 1,
    ISOM_SAMPLE_IS_NOT_LEADING          = 2,
    ISOM_SAMPLE_IS_DECODABLE_LEADING    = 3,
    /* independent */
    ISOM_SAMPLE_INDEPENDENCY_UNKNOWN    = 0,
    ISOM_SAMPLE_IS_NOT_INDEPENDENT      = 1,
    ISOM_SAMPLE_IS_INDEPENDENT          = 2,
    /* disposable */
    ISOM_SAMPLE_DISPOSABLE_UNKNOWN      = 0,
    ISOM_SAMPLE_IS_NOT_DISPOSABLE       = 1,
    ISOM_SAMPLE_IS_DISPOSABLE           = 2,
    /* redundant */
    ISOM_SAMPLE_REDUNDANCY_UNKNOWN      = 0,
    ISOM_SAMPLE_HAS_REDUNDANCY          = 1,
    ISOM_SAMPLE_HAS_NO_REDUNDANCY       = 2,
} lsmash_sample_dependency;

typedef enum
{
    /* flags for ISO Base Media file format */
    ISOM_SAMPLE_RANDOM_ACCESS_FLAG_NONE         = 0,
    ISOM_SAMPLE_RANDOM_ACCESS_FLAG_SYNC         = 1 << 0,   /* a sync sample */
    ISOM_SAMPLE_RANDOM_ACCESS_FLAG_RAP          = 1 << 2,   /* the first sample of a closed or an open GOP */
    ISOM_SAMPLE_RANDOM_ACCESS_FLAG_CLOSED       = 1 << 3,   /* a sample in a closed GOP
                                                             * This flag shall be set together with ISOM_SAMPLE_RANDOM_ACCESS_FLAG_RAP. */
    ISOM_SAMPLE_RANDOM_ACCESS_FLAG_OPEN         = 1 << 4,   /* a sample in an open GOP
                                                             * This flag shall be set together with ISOM_SAMPLE_RANDOM_ACCESS_FLAG_RAP. */
    ISOM_SAMPLE_RANDOM_ACCESS_FLAG_GDR          = 1 << 5,   /* a sample on gradual decoder refresh or random access recovery */
    ISOM_SAMPLE_RANDOM_ACCESS_FLAG_GDR_START    = 1 << 6,   /* a sample that is the starting point of gradual decoder refresh or random access recovery
                                                             * This flag shall be set together with ISOM_SAMPLE_RANDOM_ACCESS_FLAG_GDR. */
    ISOM_SAMPLE_RANDOM_ACCESS_FLAG_GDR_END      = 1 << 7,   /* a sample that is the ending point of gradual decoder refresh or random access recovery
                                                             * This flag shall be set together with ISOM_SAMPLE_RANDOM_ACCESS_FLAG_GDR. */

    ISOM_SAMPLE_RANDOM_ACCESS_FLAG_CLOSED_RAP               /* the first sample of a closed GOP */
        = ISOM_SAMPLE_RANDOM_ACCESS_FLAG_RAP
        | ISOM_SAMPLE_RANDOM_ACCESS_FLAG_CLOSED,
    ISOM_SAMPLE_RANDOM_ACCESS_FLAG_OPEN_RAP                 /* the first sample of an open GOP */
        = ISOM_SAMPLE_RANDOM_ACCESS_FLAG_RAP
        | ISOM_SAMPLE_RANDOM_ACCESS_FLAG_OPEN,
    ISOM_SAMPLE_RANDOM_ACCESS_FLAG_POST_ROLL_START          /* the post-roll starting point of random access recovery */
        = ISOM_SAMPLE_RANDOM_ACCESS_FLAG_GDR
        | ISOM_SAMPLE_RANDOM_ACCESS_FLAG_GDR_START,
    ISOM_SAMPLE_RANDOM_ACCESS_FLAG_PRE_ROLL_END             /* the pre-roll ending point of random access recovery */
        = ISOM_SAMPLE_RANDOM_ACCESS_FLAG_GDR
        | ISOM_SAMPLE_RANDOM_ACCESS_FLAG_GDR_END,

    /* flags for QuickTime file format */
    QT_SAMPLE_RANDOM_ACCESS_FLAG_NONE           = 0,        /* alias of ISOM_SAMPLE_RANDOM_ACCESS_FLAG_NONE */
    QT_SAMPLE_RANDOM_ACCESS_FLAG_SYNC           = ISOM_SAMPLE_RANDOM_ACCESS_FLAG_SYNC,
    QT_SAMPLE_RANDOM_ACCESS_FLAG_PARTIAL_SYNC   = 1 << 1,   /* partial sync sample
                                                             * Partial sync sample is a sample
                                                             * such that this sample and samples following in decoding order can be correctly decoded
                                                             * using the first sample of the previous GOP and samples following in decoding order,
                                                             * in addition, this sample and non-leading samples following in decoding order can be correctly decoded from this. */
    QT_SAMPLE_RANDOM_ACCESS_FLAG_RAP            = ISOM_SAMPLE_RANDOM_ACCESS_FLAG_RAP,
    QT_SAMPLE_RANDOM_ACCESS_FLAG_CLOSED         = ISOM_SAMPLE_RANDOM_ACCESS_FLAG_CLOSED,
    QT_SAMPLE_RANDOM_ACCESS_FLAG_OPEN           = ISOM_SAMPLE_RANDOM_ACCESS_FLAG_OPEN,

    QT_SAMPLE_RANDOM_ACCESS_FLAG_CLOSED_RAP                 /* the first sample of a closed GOP */
        = QT_SAMPLE_RANDOM_ACCESS_FLAG_RAP
        | QT_SAMPLE_RANDOM_ACCESS_FLAG_CLOSED,
    QT_SAMPLE_RANDOM_ACCESS_FLAG_OPEN_RAP                   /* the first sample of an open GOP */
        = QT_SAMPLE_RANDOM_ACCESS_FLAG_RAP
        | QT_SAMPLE_RANDOM_ACCESS_FLAG_OPEN,
} lsmash_random_access_flag;

#define LSMASH_FLAGS_SATISFIED( x, y ) (((x) & (y)) == (y))
#define LSMASH_IS_CLOSED_RAP( x )      LSMASH_FLAGS_SATISFIED( (x), ISOM_SAMPLE_RANDOM_ACCESS_FLAG_CLOSED_RAP )
#define LSMASH_IS_OPEN_RAP( x )        LSMASH_FLAGS_SATISFIED( (x), ISOM_SAMPLE_RANDOM_ACCESS_FLAG_OPEN_RAP )
#define LSMASH_IS_POST_ROLL_START( x ) LSMASH_FLAGS_SATISFIED( (x), ISOM_SAMPLE_RANDOM_ACCESS_FLAG_POST_ROLL_START )
#define LSMASH_IS_PRE_ROLL_END( x )    LSMASH_FLAGS_SATISFIED( (x), ISOM_SAMPLE_RANDOM_ACCESS_FLAG_PRE_ROLL_END )

typedef struct
{
    uint32_t identifier;    /* the identifier of sample
                             * If this identifier equals a certain identifier of random access recovery point,
                             * then this sample is the random access recovery point of the earliest unestablished post-roll group. */
    uint32_t complete;      /* the identifier of future random access recovery point, which is necessary for the recovery from its starting point to be completed
                             * For muxing, this value is used only if (ra_flags & ISOM_SAMPLE_RANDOM_ACCESS_TYPE_POST_ROLL_START) is true.
                             * The following is an example of use for gradual decoder refresh of H.264/AVC.
                             *   For each sample, set 'frame_num' to the 'identifier'.
                             *   For samples with recovery point SEI message, add ISOM_SAMPLE_RANDOM_ACCESS_TYPE_POST_ROLL_START to ra_flags
                             *   and set '(frame_num + recovery_frame_cnt) % MaxFrameNum' to the 'complete'.
                             *   The above-mentioned values are set appropriately, then L-SMASH will establish appropriate post-roll grouping. */
} lsmash_post_roll_t;

typedef struct
{
    uint32_t distance;      /* the distance from the previous random access point or pre-roll starting point
                             * of the random access recovery point to this sample.
                             * For muxing, this value is used only if ra_flags is not set to ISOM_SAMPLE_RANDOM_ACCESS_TYPE_NONE
                             * and LSMASH_IS_POST_ROLL_START( ra_flags ) is false.
                             * Some derived specifications forbid using pre-roll settings and use post-roll settings instead (e.g. AVC uses only post-roll).
                             * The following is an example of pre-roll distance for representing audio decoder delay derived from composition.
                             *   Typical AAC encoding uses a transform over consecutive sets of 2048 audio samples,
                             *   applied every 1024 audio samples (MDCTs are overlapped).
                             *   For correct audio to be decoded, both transforms for any period of 1024 audio samples are needed.
                             *   For this AAC stream, therefore, 'distance' of each sample shall be set to 1 (one AAC access unit).
                             *   Note: the number of priming audio sample i.e. encoder delay shall be represented by 'start_time' in an edit. */
} lsmash_pre_roll_t;

typedef struct
{
    lsmash_random_access_flag ra_flags;         /* random access flags */
    lsmash_post_roll_t        post_roll;
    lsmash_pre_roll_t         pre_roll;
    uint8_t                   allow_earlier;    /* only for QuickTime file format */
    uint8_t                   leading;
    uint8_t                   independent;
    uint8_t                   disposable;
    uint8_t                   redundant;
    uint8_t                   reserved[3];      /* non-output
                                                 * broken link
                                                 * ??? */
} lsmash_sample_property_t;

typedef struct
{
    uint32_t                 length;    /* size of sample data
                                         * Note: this is NOT always an allocated size. */
    uint8_t                 *data;      /* sample data */
    uint64_t                 dts;       /* Decoding TimeStamp in units of media timescale */
    uint64_t                 cts;       /* Composition TimeStamp in units of media timescale */
    uint64_t                 pos;       /* absolute file offset of sample data (read-only) */
    uint32_t                 index;     /* index of sample description */
    lsmash_sample_property_t prop;
} lsmash_sample_t;

typedef struct
{
    uint64_t dts;   /* Decoding TimeStamp in units of media timescale */
    uint64_t cts;   /* Composition TimeStamp in units of media timescale */
} lsmash_media_ts_t;

typedef struct
{
    uint32_t           sample_count;
    lsmash_media_ts_t *timestamp;
} lsmash_media_ts_list_t;

/* Allocate a sample and then allocate data of the allocated sample by 'size'.
 * If 'size' is set to 0, data of the allocated sample won't be allocated and will be set to NULL instead.
 * The allocated sample can be deallocated by lsmash_delete_sample().
 *
 * Return the address of an allocated sample if successful.
 * Return NULL otherwise. */
lsmash_sample_t *lsmash_create_sample
(
    uint32_t size   /* size of sample data you request */
);

/* Allocate data of a given allocated sample by 'size'.
 * If the sample data is already allocated, reallocate it by 'size'.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_sample_alloc
(
    lsmash_sample_t *sample,    /* the address of a sample you want to allocate its sample data */
    uint32_t         size       /* size of sample data you request */
);

/* Deallocate a given sample. */
void lsmash_delete_sample
(
    lsmash_sample_t *sample     /* the address of a sample you want to deallocate */
);

/* Append a sample to a track.
 * Note:
 *   The appended sample will be deleted by lsmash_delete_sample() internally.
 *   Users shall not deallocate the sample by lsmash_delete_sample() if successful to append the sample.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_append_sample
(
    lsmash_root_t   *root,
    uint32_t         track_ID,
    lsmash_sample_t *sample
);

/****************************************************************************
 * Media Layer
 ****************************************************************************/
/* Media handler types */
typedef enum
{
    ISOM_MEDIA_HANDLER_TYPE_3GPP_SCENE_DESCRIPTION              = LSMASH_4CC( '3', 'g', 's', 'd' ),
    ISOM_MEDIA_HANDLER_TYPE_ID3_VERSION2_METADATA               = LSMASH_4CC( 'I', 'D', '3', '2' ),
    ISOM_MEDIA_HANDLER_TYPE_AUXILIARY_VIDEO_TRACK               = LSMASH_4CC( 'a', 'u', 'x', 'v' ),
    ISOM_MEDIA_HANDLER_TYPE_CPCM_AUXILIARY_METADATA             = LSMASH_4CC( 'c', 'p', 'a', 'd' ),
    ISOM_MEDIA_HANDLER_TYPE_CLOCK_REFERENCE_STREAM              = LSMASH_4CC( 'c', 'r', 's', 'm' ),
    ISOM_MEDIA_HANDLER_TYPE_DVB_MANDATORY_BASIC_DESCRIPTION     = LSMASH_4CC( 'd', 'm', 'b', 'd' ),
    ISOM_MEDIA_HANDLER_TYPE_TV_ANYTIME                          = LSMASH_4CC( 'd', 't', 'v', 'a' ),
    ISOM_MEDIA_HANDLER_TYPE_BROADBAND_CONTENT_GUIDE             = LSMASH_4CC( 'd', 't', 'v', 'a' ),
    ISOM_MEDIA_HANDLER_TYPE_FONT_DATA_STREAM                    = LSMASH_4CC( 'f', 'd', 's', 'm' ),
    ISOM_MEDIA_HANDLER_TYPE_GENERAL_MPEG4_SYSTEM_STREAM         = LSMASH_4CC( 'g', 'e', 's', 'm' ),
    ISOM_MEDIA_HANDLER_TYPE_HINT_TRACK                          = LSMASH_4CC( 'h', 'i', 'n', 't' ),
    ISOM_MEDIA_HANDLER_TYPE_IPDC_ELECTRONIC_SERVICE_GUIDE       = LSMASH_4CC( 'i', 'p', 'd', 'c' ),
    ISOM_MEDIA_HANDLER_TYPE_IPMP_STREAM                         = LSMASH_4CC( 'i', 'p', 's', 'm' ),
    ISOM_MEDIA_HANDLER_TYPE_MPEG7_STREAM                        = LSMASH_4CC( 'm', '7', 's', 'm' ),
    ISOM_MEDIA_HANDLER_TYPE_TIMED_METADATA_TRACK                = LSMASH_4CC( 'm', 'e', 't', 'a' ),
    ISOM_MEDIA_HANDLER_TYPE_MPEGJ_STREAM                        = LSMASH_4CC( 'm', 'j', 's', 'm' ),
    ISOM_MEDIA_HANDLER_TYPE_MPEG21_DIGITAL_ITEM                 = LSMASH_4CC( 'm', 'p', '2', '1' ),
    ISOM_MEDIA_HANDLER_TYPE_OBJECT_CONTENT_INFO_STREAM          = LSMASH_4CC( 'o', 'c', 's', 'm' ),
    ISOM_MEDIA_HANDLER_TYPE_OBJECT_DESCRIPTOR_STREAM            = LSMASH_4CC( 'o', 'd', 's', 'm' ),
    ISOM_MEDIA_HANDLER_TYPE_SCENE_DESCRIPTION_STREAM            = LSMASH_4CC( 's', 'd', 's', 'm' ),
    ISOM_MEDIA_HANDLER_TYPE_KEY_MANAGEMENT_MESSAGES             = LSMASH_4CC( 's', 'k', 'm', 'm' ),
    ISOM_MEDIA_HANDLER_TYPE_AUDIO_TRACK                         = LSMASH_4CC( 's', 'o', 'u', 'n' ),
    ISOM_MEDIA_HANDLER_TYPE_TEXT_TRACK                          = LSMASH_4CC( 't', 'e', 'x', 't' ),
    ISOM_MEDIA_HANDLER_TYPE_PROPRIETARY_DESCRIPTIVE_METADATA    = LSMASH_4CC( 'u', 'r', 'i', ' ' ),
    ISOM_MEDIA_HANDLER_TYPE_VIDEO_TRACK                         = LSMASH_4CC( 'v', 'i', 'd', 'e' ),
} lsmash_media_type;

/* ISO language codes */
typedef enum
{
#define LSMASH_PACK_ISO_LANGUAGE( a, b, c ) ((((a-0x60)&0x1f)<<10) | (((b-0x60)&0x1f)<<5) | ((c-0x60)&0x1f))
    ISOM_LANGUAGE_CODE_ENGLISH          = LSMASH_PACK_ISO_LANGUAGE( 'e', 'n', 'g' ),
    ISOM_LANGUAGE_CODE_FRENCH           = LSMASH_PACK_ISO_LANGUAGE( 'f', 'r', 'a' ),
    ISOM_LANGUAGE_CODE_GERMAN           = LSMASH_PACK_ISO_LANGUAGE( 'd', 'e', 'u' ),
    ISOM_LANGUAGE_CODE_ITALIAN          = LSMASH_PACK_ISO_LANGUAGE( 'i', 't', 'a' ),
    ISOM_LANGUAGE_CODE_DUTCH_M          = LSMASH_PACK_ISO_LANGUAGE( 'd', 'u', 'm' ),
    ISOM_LANGUAGE_CODE_SWEDISH          = LSMASH_PACK_ISO_LANGUAGE( 's', 'w', 'e' ),
    ISOM_LANGUAGE_CODE_SPANISH          = LSMASH_PACK_ISO_LANGUAGE( 's', 'p', 'a' ),
    ISOM_LANGUAGE_CODE_DANISH           = LSMASH_PACK_ISO_LANGUAGE( 'd', 'a', 'n' ),
    ISOM_LANGUAGE_CODE_PORTUGUESE       = LSMASH_PACK_ISO_LANGUAGE( 'p', 'o', 'r' ),
    ISOM_LANGUAGE_CODE_NORWEGIAN        = LSMASH_PACK_ISO_LANGUAGE( 'n', 'o', 'r' ),
    ISOM_LANGUAGE_CODE_HEBREW           = LSMASH_PACK_ISO_LANGUAGE( 'h', 'e', 'b' ),
    ISOM_LANGUAGE_CODE_JAPANESE         = LSMASH_PACK_ISO_LANGUAGE( 'j', 'p', 'n' ),
    ISOM_LANGUAGE_CODE_ARABIC           = LSMASH_PACK_ISO_LANGUAGE( 'a', 'r', 'a' ),
    ISOM_LANGUAGE_CODE_FINNISH          = LSMASH_PACK_ISO_LANGUAGE( 'f', 'i', 'n' ),
    ISOM_LANGUAGE_CODE_GREEK            = LSMASH_PACK_ISO_LANGUAGE( 'e', 'l', 'l' ),
    ISOM_LANGUAGE_CODE_ICELANDIC        = LSMASH_PACK_ISO_LANGUAGE( 'i', 's', 'l' ),
    ISOM_LANGUAGE_CODE_MALTESE          = LSMASH_PACK_ISO_LANGUAGE( 'm', 'l', 't' ),
    ISOM_LANGUAGE_CODE_TURKISH          = LSMASH_PACK_ISO_LANGUAGE( 't', 'u', 'r' ),
    ISOM_LANGUAGE_CODE_CROATIAN         = LSMASH_PACK_ISO_LANGUAGE( 'h', 'r', 'v' ),
    ISOM_LANGUAGE_CODE_CHINESE          = LSMASH_PACK_ISO_LANGUAGE( 'z', 'h', 'o' ),
    ISOM_LANGUAGE_CODE_URDU             = LSMASH_PACK_ISO_LANGUAGE( 'u', 'r', 'd' ),
    ISOM_LANGUAGE_CODE_HINDI            = LSMASH_PACK_ISO_LANGUAGE( 'h', 'i', 'n' ),
    ISOM_LANGUAGE_CODE_THAI             = LSMASH_PACK_ISO_LANGUAGE( 't', 'h', 'a' ),
    ISOM_LANGUAGE_CODE_KOREAN           = LSMASH_PACK_ISO_LANGUAGE( 'k', 'o', 'r' ),
    ISOM_LANGUAGE_CODE_LITHUANIAN       = LSMASH_PACK_ISO_LANGUAGE( 'l', 'i', 't' ),
    ISOM_LANGUAGE_CODE_POLISH           = LSMASH_PACK_ISO_LANGUAGE( 'p', 'o', 'l' ),
    ISOM_LANGUAGE_CODE_HUNGARIAN        = LSMASH_PACK_ISO_LANGUAGE( 'h', 'u', 'n' ),
    ISOM_LANGUAGE_CODE_ESTONIAN         = LSMASH_PACK_ISO_LANGUAGE( 'e', 's', 't' ),
    ISOM_LANGUAGE_CODE_LATVIAN          = LSMASH_PACK_ISO_LANGUAGE( 'l', 'a', 'v' ),
    ISOM_LANGUAGE_CODE_SAMI             = LSMASH_PACK_ISO_LANGUAGE( 's', 'm', 'i' ),
    ISOM_LANGUAGE_CODE_FAROESE          = LSMASH_PACK_ISO_LANGUAGE( 'f', 'a', 'o' ),
    ISOM_LANGUAGE_CODE_RUSSIAN          = LSMASH_PACK_ISO_LANGUAGE( 'r', 'u', 's' ),
    ISOM_LANGUAGE_CODE_DUTCH            = LSMASH_PACK_ISO_LANGUAGE( 'n', 'l', 'd' ),
    ISOM_LANGUAGE_CODE_IRISH            = LSMASH_PACK_ISO_LANGUAGE( 'g', 'l', 'e' ),
    ISOM_LANGUAGE_CODE_ALBANIAN         = LSMASH_PACK_ISO_LANGUAGE( 's', 'q', 'i' ),
    ISOM_LANGUAGE_CODE_ROMANIAN         = LSMASH_PACK_ISO_LANGUAGE( 'r', 'o', 'n' ),
    ISOM_LANGUAGE_CODE_CZECH            = LSMASH_PACK_ISO_LANGUAGE( 'c', 'e', 's' ),
    ISOM_LANGUAGE_CODE_SLOVAK           = LSMASH_PACK_ISO_LANGUAGE( 's', 'l', 'k' ),
    ISOM_LANGUAGE_CODE_SLOVENIA         = LSMASH_PACK_ISO_LANGUAGE( 's', 'l', 'v' ),
    ISOM_LANGUAGE_CODE_YIDDISH          = LSMASH_PACK_ISO_LANGUAGE( 'y', 'i', 'd' ),
    ISOM_LANGUAGE_CODE_SERBIAN          = LSMASH_PACK_ISO_LANGUAGE( 's', 'r', 'p' ),
    ISOM_LANGUAGE_CODE_MACEDONIAN       = LSMASH_PACK_ISO_LANGUAGE( 'm', 'k', 'd' ),
    ISOM_LANGUAGE_CODE_BULGARIAN        = LSMASH_PACK_ISO_LANGUAGE( 'b', 'u', 'l' ),
    ISOM_LANGUAGE_CODE_UKRAINIAN        = LSMASH_PACK_ISO_LANGUAGE( 'u', 'k', 'r' ),
    ISOM_LANGUAGE_CODE_BELARUSIAN       = LSMASH_PACK_ISO_LANGUAGE( 'b', 'e', 'l' ),
    ISOM_LANGUAGE_CODE_UZBEK            = LSMASH_PACK_ISO_LANGUAGE( 'u', 'z', 'b' ),
    ISOM_LANGUAGE_CODE_KAZAKH           = LSMASH_PACK_ISO_LANGUAGE( 'k', 'a', 'z' ),
    ISOM_LANGUAGE_CODE_AZERBAIJANI      = LSMASH_PACK_ISO_LANGUAGE( 'a', 'z', 'e' ),
    ISOM_LANGUAGE_CODE_ARMENIAN         = LSMASH_PACK_ISO_LANGUAGE( 'h', 'y', 'e' ),
    ISOM_LANGUAGE_CODE_GEORGIAN         = LSMASH_PACK_ISO_LANGUAGE( 'k', 'a', 't' ),
    ISOM_LANGUAGE_CODE_MOLDAVIAN        = LSMASH_PACK_ISO_LANGUAGE( 'r', 'o', 'n' ),
    ISOM_LANGUAGE_CODE_KIRGHIZ          = LSMASH_PACK_ISO_LANGUAGE( 'k', 'i', 'r' ),
    ISOM_LANGUAGE_CODE_TAJIK            = LSMASH_PACK_ISO_LANGUAGE( 't', 'g', 'k' ),
    ISOM_LANGUAGE_CODE_TURKMEN          = LSMASH_PACK_ISO_LANGUAGE( 't', 'u', 'k' ),
    ISOM_LANGUAGE_CODE_MONGOLIAN        = LSMASH_PACK_ISO_LANGUAGE( 'm', 'o', 'n' ),
    ISOM_LANGUAGE_CODE_PASHTO           = LSMASH_PACK_ISO_LANGUAGE( 'p', 'u', 's' ),
    ISOM_LANGUAGE_CODE_KURDISH          = LSMASH_PACK_ISO_LANGUAGE( 'k', 'u', 'r' ),
    ISOM_LANGUAGE_CODE_KASHMIRI         = LSMASH_PACK_ISO_LANGUAGE( 'k', 'a', 's' ),
    ISOM_LANGUAGE_CODE_SINDHI           = LSMASH_PACK_ISO_LANGUAGE( 's', 'n', 'd' ),
    ISOM_LANGUAGE_CODE_TIBETAN          = LSMASH_PACK_ISO_LANGUAGE( 'b', 'o', 'd' ),
    ISOM_LANGUAGE_CODE_NEPALI           = LSMASH_PACK_ISO_LANGUAGE( 'n', 'e', 'p' ),
    ISOM_LANGUAGE_CODE_SANSKRIT         = LSMASH_PACK_ISO_LANGUAGE( 's', 'a', 'n' ),
    ISOM_LANGUAGE_CODE_MARATHI          = LSMASH_PACK_ISO_LANGUAGE( 'm', 'a', 'r' ),
    ISOM_LANGUAGE_CODE_BENGALI          = LSMASH_PACK_ISO_LANGUAGE( 'b', 'e', 'n' ),
    ISOM_LANGUAGE_CODE_ASSAMESE         = LSMASH_PACK_ISO_LANGUAGE( 'a', 's', 'm' ),
    ISOM_LANGUAGE_CODE_GUJARATI         = LSMASH_PACK_ISO_LANGUAGE( 'g', 'u', 'j' ),
    ISOM_LANGUAGE_CODE_PUNJABI          = LSMASH_PACK_ISO_LANGUAGE( 'p', 'a', 'n' ),
    ISOM_LANGUAGE_CODE_ORIYA            = LSMASH_PACK_ISO_LANGUAGE( 'o', 'r', 'i' ),
    ISOM_LANGUAGE_CODE_MALAYALAM        = LSMASH_PACK_ISO_LANGUAGE( 'm', 'a', 'l' ),
    ISOM_LANGUAGE_CODE_KANNADA          = LSMASH_PACK_ISO_LANGUAGE( 'k', 'a', 'n' ),
    ISOM_LANGUAGE_CODE_TAMIL            = LSMASH_PACK_ISO_LANGUAGE( 't', 'a', 'm' ),
    ISOM_LANGUAGE_CODE_TELUGU           = LSMASH_PACK_ISO_LANGUAGE( 't', 'e', 'l' ),
    ISOM_LANGUAGE_CODE_SINHALESE        = LSMASH_PACK_ISO_LANGUAGE( 's', 'i', 'n' ),
    ISOM_LANGUAGE_CODE_BURMESE          = LSMASH_PACK_ISO_LANGUAGE( 'm', 'y', 'a' ),
    ISOM_LANGUAGE_CODE_KHMER            = LSMASH_PACK_ISO_LANGUAGE( 'k', 'h', 'm' ),
    ISOM_LANGUAGE_CODE_LAO              = LSMASH_PACK_ISO_LANGUAGE( 'l', 'a', 'o' ),
    ISOM_LANGUAGE_CODE_VIETNAMESE       = LSMASH_PACK_ISO_LANGUAGE( 'v', 'i', 'e' ),
    ISOM_LANGUAGE_CODE_INDONESIAN       = LSMASH_PACK_ISO_LANGUAGE( 'i', 'n', 'd' ),
    ISOM_LANGUAGE_CODE_TAGALOG          = LSMASH_PACK_ISO_LANGUAGE( 't', 'g', 'l' ),
    ISOM_LANGUAGE_CODE_MALAY_ROMAN      = LSMASH_PACK_ISO_LANGUAGE( 'm', 's', 'a' ),
    ISOM_LANGUAGE_CODE_MAYAY_ARABIC     = LSMASH_PACK_ISO_LANGUAGE( 'm', 's', 'a' ),
    ISOM_LANGUAGE_CODE_AMHARIC          = LSMASH_PACK_ISO_LANGUAGE( 'a', 'm', 'h' ),
    ISOM_LANGUAGE_CODE_OROMO            = LSMASH_PACK_ISO_LANGUAGE( 'o', 'r', 'm' ),
    ISOM_LANGUAGE_CODE_SOMALI           = LSMASH_PACK_ISO_LANGUAGE( 's', 'o', 'm' ),
    ISOM_LANGUAGE_CODE_SWAHILI          = LSMASH_PACK_ISO_LANGUAGE( 's', 'w', 'a' ),
    ISOM_LANGUAGE_CODE_KINYARWANDA      = LSMASH_PACK_ISO_LANGUAGE( 'k', 'i', 'n' ),
    ISOM_LANGUAGE_CODE_RUNDI            = LSMASH_PACK_ISO_LANGUAGE( 'r', 'u', 'n' ),
    ISOM_LANGUAGE_CODE_CHEWA            = LSMASH_PACK_ISO_LANGUAGE( 'n', 'y', 'a' ),
    ISOM_LANGUAGE_CODE_MALAGASY         = LSMASH_PACK_ISO_LANGUAGE( 'm', 'l', 'g' ),
    ISOM_LANGUAGE_CODE_ESPERANTO        = LSMASH_PACK_ISO_LANGUAGE( 'e', 'p', 'o' ),
    ISOM_LANGUAGE_CODE_WELSH            = LSMASH_PACK_ISO_LANGUAGE( 'c', 'y', 'm' ),
    ISOM_LANGUAGE_CODE_BASQUE           = LSMASH_PACK_ISO_LANGUAGE( 'e', 'u', 's' ),
    ISOM_LANGUAGE_CODE_CATALAN          = LSMASH_PACK_ISO_LANGUAGE( 'c', 'a', 't' ),
    ISOM_LANGUAGE_CODE_LATIN            = LSMASH_PACK_ISO_LANGUAGE( 'l', 'a', 't' ),
    ISOM_LANGUAGE_CODE_QUECHUA          = LSMASH_PACK_ISO_LANGUAGE( 'q', 'u', 'e' ),
    ISOM_LANGUAGE_CODE_GUARANI          = LSMASH_PACK_ISO_LANGUAGE( 'g', 'r', 'n' ),
    ISOM_LANGUAGE_CODE_AYMARA           = LSMASH_PACK_ISO_LANGUAGE( 'a', 'y', 'm' ),
    ISOM_LANGUAGE_CODE_TATAR            = LSMASH_PACK_ISO_LANGUAGE( 'c', 'r', 'h' ),
    ISOM_LANGUAGE_CODE_UIGHUR           = LSMASH_PACK_ISO_LANGUAGE( 'u', 'i', 'g' ),
    ISOM_LANGUAGE_CODE_DZONGKHA         = LSMASH_PACK_ISO_LANGUAGE( 'd', 'z', 'o' ),
    ISOM_LANGUAGE_CODE_JAVANESE         = LSMASH_PACK_ISO_LANGUAGE( 'j', 'a', 'v' ),
    ISOM_LANGUAGE_CODE_UNDEFINED        = LSMASH_PACK_ISO_LANGUAGE( 'u', 'n', 'd' ),
} lsmash_iso_language_code;

typedef struct
{
    lsmash_media_type handler_type;     /* the nature of the media
                                         * You can't change handler_type through this parameter manually. */
    uint32_t timescale;                 /* media timescale: timescale for this media */
    uint64_t duration;                  /* the duration of this media, expressed in the media timescale
                                         * You can't set this parameter manually. */
    uint8_t  roll_grouping;             /* roll recovery grouping present
                                         * Require 'avc1' brand, or ISO Base Media File Format version 2 or later. */
    uint8_t  rap_grouping;              /* random access point grouping present
                                         * Require ISO Base Media File Format version 6 or later. */
    /* Use either type of language code. */
    uint16_t MAC_language;              /* Macintosh language code for this media */
    uint16_t ISO_language;              /* ISO 639-2/T language code for this media */
    /* human-readable name for the track type (for debugging and inspection purposes) */
    char *media_handler_name;
    char *data_handler_name;
    /* Any user shouldn't use the following parameters. */
    PRIVATE char media_handler_name_shadow[256];
    PRIVATE char data_handler_name_shadow[256];
} lsmash_media_parameters_t;

typedef struct
{
    uint32_t index;     /* the index of a data reference */
    char    *location;  /* URL; location of referenced media file */
    /* Probably, additional string fields such as thing to indicate URN will be added in the future. */
} lsmash_data_reference_t;

/* Set all the given media parameters to default. */
void lsmash_initialize_media_parameters
(
    lsmash_media_parameters_t *param    /* the address of the media parameters to which you want to set default value */
);

/* Set media parameters to a track.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_set_media_parameters
(
    lsmash_root_t             *root,        /* the address of a ROOT containing a track to which you want to set the media parameters */
    uint32_t                   track_ID,    /* the track_ID of a track to which you want to set the media parameters */
    lsmash_media_parameters_t *param        /* the address of the media parameters you want to set to a track. */
);

/* Set the duration of the last sample to a track.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_set_last_sample_delta
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint32_t       sample_delta
);

/* Flush samples in the internal pool in a track.
 * Users shall call this function for each track before calling lsmash_finish_movie() or lsmash_create_fragment_movie().
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_flush_pooled_samples
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint32_t       last_sample_delta
);

/* Update the modification time of a media to the most recent.
 * If the creation time of that media is larger than the modification time,
 * then override the creation one with the modification one.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_update_media_modification_time
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Get the media parameters in a track.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_media_parameters
(
    lsmash_root_t             *root,
    uint32_t                   track_ID,
    lsmash_media_parameters_t *param
);

/* Get the duration of a media.
 *
 * Return the duration of a media if successful.
 * Return 0 otherwise. */
uint64_t lsmash_get_media_duration
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Get the timescale of a media.
 *
 * Return the timescale of a media if successful.
 * Return 0 otherwise. */
uint32_t lsmash_get_media_timescale
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Get the duration of the last sample in a track.
 *
 * Return the duration of the last sample in a track if successful.
 * Return 0 otherwise. */
uint32_t lsmash_get_last_sample_delta
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Get the composition time offset of the first sample in a track.
 *
 * Return the composition time offset of the first sample in a track if successful.
 * Return 0 otherwise. */
uint32_t lsmash_get_start_time_offset
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Get the shift of composition timeline to decode timeline in a track.
 *
 * Return the shift of composition timeline to decode timeline in a track. if successful.
 * Return 0 otherwise. */
uint32_t lsmash_get_composition_to_decode_shift
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Pack a string of ISO 639-2/T language code into 16-bit data.
 *
 * Return a packed 16-bit ISO 639-2/T language if successful.
 * Return 0 otherwise. */
uint16_t lsmash_pack_iso_language
(
    char *iso_language      /* a string of ISO 639-2/T language code */
);

/* Count the number of data references in a track.
 *
 * Return the number of data references in a track if no error.
 * Return 0 otherwise. */
uint32_t lsmash_count_data_reference
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Get the location of a data reference in a track by specifying the index in 'data_ref'.
 * The string fields in 'data_ref' may be allocated if referencing external media data.
 * If referencing self-contained media data, the all string fields are set to NULL.
 * You can deallocate the allocated fields by lsmash_free().
 * Also you can deallocate all of the allocated fields by lsmash_cleanup_data_reference() at a time.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_data_reference
(
    lsmash_root_t           *root,
    uint32_t                 track_ID,
    lsmash_data_reference_t *data_ref
);

/* Deallocate all of allocated fields in a given data reference at a time.
 * The deallocated fields are set to NULL. */
void lsmash_cleanup_data_reference
(
    lsmash_data_reference_t *data_ref
);

/* Create a data reference in a track and specify its location on playback for writing.
 * If no settings for data references in a track, the location of the first data reference is specified to
 * the location of the same file implicitly.
 * Note that referenced files shall be used as a media, i.e. LSMASH_FILE_MODE_MEDIA shall be set to the 'mode'
 * in the lsmash_file_parameters_t before calling lsmash_set_file().
 *
 * As restrictions of the libary,
 *   WARNING1: The box structured media files cannot be used as a reference data yet.
 *   WARNING2: The external media files cannot be used as a reference data for movie fragments yet.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_create_data_reference
(
    lsmash_root_t           *root,
    uint32_t                 track_ID,
    lsmash_data_reference_t *data_ref,
    lsmash_file_t           *file
);

/* Assign a data reference in a track to a read file.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_assign_data_reference
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint32_t       data_ref_index,
    lsmash_file_t *file
);

/****************************************************************************
 * Track Layer
 ****************************************************************************/
/* Track mode */
typedef enum
{
    /* In MP4 and/or ISO base media file format, if in a presentation all tracks have neither track_in_movie nor track_in_preview set,
     * then all tracks shall be treated as if both flags were set on all tracks. */
    ISOM_TRACK_ENABLED      = 0x000001,     /* Track_enabled: Indicates that the track is enabled.
                                             * A disabled track is treated as if it were not present. */
    ISOM_TRACK_IN_MOVIE     = 0x000002,     /* Track_in_movie: Indicates that the track is used in the presentation. */
    ISOM_TRACK_IN_PREVIEW   = 0x000004,     /* Track_in_preview: Indicates that the track is used when previewing the presentation. */

    QT_TRACK_IN_POSTER      = 0x000008,     /* Track_in_poster: Indicates that the track is used in the movie's poster. (only defined in QuickTime file format) */
} lsmash_track_mode;

typedef struct
{
    lsmash_track_mode mode;
    uint32_t track_ID;              /* an integer that uniquely identifies the track
                                     * Don't set to value already used except for zero value.
                                     * Zero value don't override established track_ID. */
    uint64_t duration;              /* the duration of this track expressed in the movie timescale units
                                     * If there is any edit, your setting is ignored. */
    int16_t  alternate_group;       /* an integer that specifies a group or collection of tracks
                                     * If this field is not 0, it should be the same for tracks that contain alternate data for one another
                                     * and different for tracks belonging to different such groups.
                                     * Only one track within an alternate group should be played or streamed at any one time.
                                     * Note: alternate_group is ignored when a file is read as an MPEG-4. */
    /* The following parameters are ignored when a file is read as an MPEG-4 or 3GPP file format. */
    int16_t  video_layer;           /* the front-to-back ordering of video tracks; tracks with lower numbers are closer to the viewer. */
    int16_t  audio_volume;          /* fixed point 8.8 number. 0x0100 is full volume. */
    int32_t  matrix[9];             /* transformation matrix for the video
                                     * Each value represents, in order, a, b, u, c, d, v, x, y and w.
                                     * All the values in a matrix are stored as 16.16 fixed-point values,
                                     * except for u, v and w, which are stored as 2.30 fixed-point values.
                                     * Not all derived specifications use matrices.
                                     * If a matrix is used, the point (p, q) is transformed into (p', q') using the matrix as follows:
                                     *             | a b u |
                                     * (p, q, 1) * | c d v | = z * (p', q', 1)
                                     *             | x y w |
                                     * p' = (a * p + c * q + x) / z; q' = (b * p + d * q + y) / z; z = u * p + v * q + w
                                     * Note: transformation matrix is applied after scaling to display size up to display_width and display_height. */
    /* visual presentation region size */
    uint32_t display_width;         /* visual presentation region size of horizontal direction as fixed point 16.16 number. */
    uint32_t display_height;        /* visual presentation region size of vertical direction as fixed point 16.16 number. */
    /* */
    uint8_t  aperture_modes;        /* track aperture modes present
                                     * This feature is only available under QuickTime file format.
                                     * Automatically disabled if multiple sample description is present or scaling method is specified. */
} lsmash_track_parameters_t;

/* Explicit Timeline Map (Edit)
 * There are two types of timeline; one is the media timeline, the other is the presentation timeline (or the movie timeline).
 * An edit maps the presentation timeline to the media timeline.
 * Therefore, an edit can select any portion within the media and specify its playback speed.
 * The media within the track is played through the presentation timeline, so you can construct any complex presentation from a media by edits.
 * In the absence of any edit, there is an implicit one-to-one mapping of these timelines, and the presentation of a track starts at the beginning of the presentation.
 * Note: any edit doesn't restrict decoding and composition. So, if a sample in an edit need to decode from a sample in outside of that edit,
 *       the decoder shall start to decode from there but player shall not display any sample in outside of that edit. */
#define ISOM_EDIT_MODE_NORMAL        (1<<16)
#define ISOM_EDIT_MODE_DWELL         0
#define ISOM_EDIT_MODE_EMPTY         -1
#define ISOM_EDIT_DURATION_UNKNOWN32 0xffffffff
#define ISOM_EDIT_DURATION_UNKNOWN64 0xffffffffffffffff
#define ISOM_EDIT_DURATION_IMPLICIT  0

typedef struct
{
    uint64_t duration;      /* the duration of this edit expressed in the movie timescale units
                             * An edit can refer to the media within fragmented tracks.
                             * The duration can be unknown at the time of creation of the initial movie due to various limiting factors that include
                             * real-time generation of content, such as live streaming. In such a case it is recommended that the duration is set to
                             * either ISOM_EDIT_DURATION_UNKNOWN32 (the maximum 32-bit unsigned integer), ISOM_EDIT_DURATION_UNKNOWN64 (the maximum
                             * 64-bit unsigned integer) or ISOM_EDIT_DURATION_IMPLICIT.
                             * If you have no interest in the duration of this edit but want to set the offset from media composition time to movie
                             * presentation time, ISOM_EDIT_DURATION_IMPLICIT is useful for the provision of the offset for the movie and subsequent
                             * movie fragments. The duration is expected to be constructed by demuxer. */
    int64_t  start_time;    /* the starting composition time within the media of this edit
                             * If set to ISOM_EDIT_MODE_EMPTY (-1), it construct an empty edit, which doesn't select any portion within the media. */
    int32_t  rate;          /* the relative rate at which to play the media corresponding to this edit, expressed as 16.16 fixed-point number
                             * If set to ISOM_EDIT_MODE_NORMAL (0x00010000), there is no rate change for timeline mapping.
                             * If set to ISOM_EDIT_MODE_DWELL (0), the media at start_time is presented for the duration. */
} lsmash_edit_t;

/* Create a track in a movie.
 * Users can destroy the created track by lsmash_delete_track().
 * When a track is created, its track_ID is assigned automatically so that any duplication of track_ID may be avoided.
 *
 * Return the current track_ID of a track created by this function if successful.
 * Return 0 otherwise. */
uint32_t lsmash_create_track
(
    lsmash_root_t    *root,
    lsmash_media_type media_type
);

/* Destroy the track of a given track_ID in a movie. */
void lsmash_delete_track
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Set all the given track parameters to default. */
void lsmash_initialize_track_parameters
(
    lsmash_track_parameters_t *param
);

/* Set track parameters to a track.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_set_track_parameters
(
    lsmash_root_t             *root,
    uint32_t                   track_ID,
    lsmash_track_parameters_t *param
);

/* Update the duration of a track with a new duration of its last sample.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_update_track_duration
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint32_t       last_sample_delta
);

/* Update the modification time of a track to the most recent.
 * If the creation time of that track is larger than the modification time,
 * then override the creation one with the modification one.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_update_track_modification_time
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Get a track_ID by a track number.
 * A track number is given in created order in a movie.
 * If a track is removed, the track number of tracks with higher track number than one of just removed track will be decremented.
 *
 * Return a track_ID if successful.
 * Return 0 otherwise. */
uint32_t lsmash_get_track_ID
(
    lsmash_root_t *root,
    uint32_t       track_number
);

/* Get the track parameters in a track.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_track_parameters
(
    lsmash_root_t             *root,
    uint32_t                   track_ID,
    lsmash_track_parameters_t *param
);

/* Get the duration of a track.
 *
 * Return the duration of a track if successful.
 * Return 0 otherwise. */
uint64_t lsmash_get_track_duration
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Create an explicit timeline map (edit) and append it into a track.
 * Users can destroy ALL created edits in a track by lsmash_delete_explicit_timeline_map().
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_create_explicit_timeline_map
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    lsmash_edit_t  edit
);

/* Destroy ALL created edits in a track.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_delete_explicit_timeline_map
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Count the number of edits in a track.
 *
 * Return the number of edits in a track if successful.
 * Return 0 otherwise. */
uint32_t lsmash_count_explicit_timeline_map
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Get an edit in a track by an edit number.
 * An edit number is given in created order in a track.
 * If an edit is removed, the edit number of edits with higher edit number than one of just removed edit will be decremented.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_explicit_timeline_map
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint32_t       edit_number,
    lsmash_edit_t *edit
);

/* Modify an edit in a track by an edit number.
 * An edit number is given in created order in a track.
 * If an edit is removed, the edit number of edits with higher edit number than one of just removed edit will be decremented.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_modify_explicit_timeline_map
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint32_t       edit_number,
    lsmash_edit_t  edit
);

/****************************************************************************
 * Movie Layer
 ****************************************************************************/
typedef struct
{
    uint32_t timescale;                     /* movie timescale: timescale for the entire presentation */
    uint64_t duration;                      /* the duration, expressed in movie timescale, of the longest track
                                             * You can't set this parameter manually. */
    uint32_t number_of_tracks;              /* the number of tracks in the movie
                                             * You can't set this parameter manually. */
    /* The following parameters are recognized only when a file is read as an Apple MPEG-4 or QuickTime file format. */
    int32_t  playback_rate;                 /* fixed point 16.16 number. 0x00010000 is normal forward playback and default value. */
    int32_t  playback_volume;               /* fixed point 8.8 number. 0x0100 is full volume and default value. */
    int32_t  preview_time;                  /* the time value in the movie at which the preview begins */
    int32_t  preview_duration;              /* the duration of the movie preview in movie timescale units */
    int32_t  poster_time;                   /* the time value of the time of the movie poster */
} lsmash_movie_parameters_t;

/* Set all the given movie parameters to default. */
void lsmash_initialize_movie_parameters
(
    lsmash_movie_parameters_t *param
);

/* Set movie parameters to a movie.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_set_movie_parameters
(
    lsmash_root_t             *root,
    lsmash_movie_parameters_t *param
);

/* Finalize a movie.
 * If the movie is not fragmented and 'remux' is set to non-NULL,
 * move overall necessary data to access and decode samples into the very front of the file at the end.
 * This is useful for progressive downloading.
 * Users shall call lsmash_flush_pooled_samples() for each track before calling this function.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_finish_movie
(
    lsmash_root_t        *root,
    lsmash_adhoc_remux_t *remux
);

/* Update the modification time of a movie to the most recent.
 * If the creation time of that movie is larger than the modification time,
 * then override the creation one with the modification one.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_update_movie_modification_time
(
    lsmash_root_t *root
);

/* Get the movie parameters in a movie.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_movie_parameters
(
    lsmash_root_t             *root,
    lsmash_movie_parameters_t *param
);

/* Get the timescale of a movie.
 *
 * Return the timescale of a movie if successful.
 * Return 0 otherwise. */
uint32_t lsmash_get_movie_timescale
(
    lsmash_root_t *root
);

/****************************************************************************
 * Chapter list
 ****************************************************************************/
/* Create a track as a chapter list referenced by another track.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_create_reference_chapter_track
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    char          *file_name
);

/* Create and set a chapter list as a user data to a movie.
 * The created chapter list in a movie can be destroyed by lsmash_delete_tyrant_chapter().
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_set_tyrant_chapter
(
    lsmash_root_t *root,
    char          *file_name,
    int            add_bom
);

/* Destroy a chapter list as a user data in a movie. */
void lsmash_delete_tyrant_chapter
(
    lsmash_root_t *root
);

/* Count chapters in the chapter list (moov.udta.chpl). */
uint32_t lsmash_count_tyrant_chapter
(
    lsmash_root_t *root
);

/* Retrieve a chapter entry from the chapter list (moov.udta.chpl).
 * Returned pointer is owned by the ROOT structure, so user shall not
 * modify or free it.
 *
 * Return chapter title string if successful, otherwise NULL.
 */
char *lsmash_get_tyrant_chapter
(
    lsmash_root_t *root,
    uint32_t       index,     /* index of chapter ( >= 1)                    */
    double        *timestamp  /* timestamp of the chapter entry (in seconds) */
);

/****************************************************************************
 * Fragments
 ****************************************************************************/
/* Flush the current movie fragment and create a new movie fragment.
 * Users shall call lsmash_flush_pooled_samples() for each track before calling this function.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_create_fragment_movie
(
    lsmash_root_t *root
);

/* Create an empty duration track in the current movie fragment.
 * Don't specify track_ID any track fragment in the current movie fragment has.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_create_fragment_empty_duration
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint32_t       duration
);

/****************************************************************************
 * Dump / Print
 ****************************************************************************/
/* Dump and print box structure of ROOT into the destination.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_print_movie
(
    lsmash_root_t *root,        /* the address of ROOT you want to dump and print */
    const char    *filename     /* the path of a file as the destination */
);

/* Print a chapter list written as a user data on stdout.
 * This function might output BOM on Windows.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_print_chapter_list
(
    lsmash_root_t *root
);

/****************************************************************************
 * Timeline
 ****************************************************************************/
/* Copy all edits from the source track to the destination track.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_copy_timeline_map
(
    lsmash_root_t *dst,
    uint32_t       dst_track_ID,
    lsmash_root_t *src,
    uint32_t       src_track_ID
);

/* Construct the timeline for a track.
 * The constructed timeline can be destructed by lsmash_destruct_timeline().
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_construct_timeline
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Destruct the timeline for a given track. */
void lsmash_destruct_timeline
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Get the duration of the last sample from the media timeline for a track.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_last_sample_delta_from_media_timeline
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint32_t      *last_sample_delta    /* the address of a variable to which the duration of the last sample will be set */
);

/* Get the duration of a sample from the media timeline for a track.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_sample_delta_from_media_timeline
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint32_t       sample_number,
    uint32_t      *sample_delta     /* the address of a variable to which the duration of a sample will be set */
);

/* Get the decoding timestamp of a sample from the media timeline for a track.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_dts_from_media_timeline
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint32_t       sample_number,
    uint64_t      *dts              /* the address of a variable to which a decoding timestamp will be set */
);

/* Get the composition timestamp of a sample from the media timeline for a track.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_cts_from_media_timeline
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint32_t       sample_number,
    uint64_t      *cts              /* the address of a variable to which a composition timestamp will be set */
);

/* Get the shift of composition timeline to decode timeline from the media timeline for a track.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_composition_to_decode_shift_from_media_timeline
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint32_t      *ctd_shift    /* the address of a variable to which the shift of composition timeline to decode timeline will be set */
);

/* Get the sample number which is the closest random accessible point to the sample
 * corresponding to a given sample number from the media timeline for a track.
 * This function tries to find the closest random accessible point from the past at the first.
 * If not found, try to find it from the future.
 * Note:
 *   the closest random accessible point doesn't always guarantee that
 *   the sample corresponding to a given number can be decodable correctly by decoding from there.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_closest_random_accessible_point_from_media_timeline
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint32_t       sample_number,
    uint32_t      *rap_number       /* the address of a variable to which the sample number of the closest random accessible point will be set */
);

/* Get the detailed information of the closest random accessible point to the sample
 * corresponding to a given sample number from the media timeline for a track.
 * Note:
 *   the closest random accessible point doesn't always guarantee that
 *   the sample corresponding to a given number can be decodable correctly by decoding from there.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_closest_random_accessible_point_detail_from_media_timeline
(
    lsmash_root_t             *root,
    uint32_t                   track_ID,
    uint32_t                   sample_number,
    uint32_t                  *rap_number,      /* the address of a variable to which the sample number of the closest random accessible point will be set */
    lsmash_random_access_flag *ra_flags,        /* the address of a variable to which the flags of the closest random accessible point will be set */
    uint32_t                  *leading,         /* the address of a variable to which the number of leading samples will be set */
    uint32_t                  *distance         /* the address of a variable to which a distance from the closest random accessible point to a point which guarantees
                                                 * that the sample corresponding to a given number can be decodable correctly by decoding from there will be set */
);

/* Get the number of samples in the media timeline for a track.
 *
 * Return the number of samples in a track if successful.
 * Return 0 otherwise. */
uint32_t lsmash_get_sample_count_in_media_timeline
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Get the maximum size of sample in the media timeline for a track.
 *
 * Return the maximum size of the samples in a track if successful.
 * Return 0 otherwise. */
uint32_t lsmash_get_max_sample_size_in_media_timeline
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Get the duration of the media from the media timeline for a track.
 *
 * Return the duration of the media in a track if successful.
 * Return 0 otherwise. */
uint64_t lsmash_get_media_duration_from_media_timeline
(
    lsmash_root_t *root,
    uint32_t       track_ID
);

/* Allocate and get the sample corresponding to a given sample number from the media timeline for a track.
 * The allocated sample can be deallocated by lsmash_delete_sample().
 *
 * Return the address of an allocated and gotten sample if successful.
 * Return NULL otherwise. */
lsmash_sample_t *lsmash_get_sample_from_media_timeline
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint32_t       sample_number
);

/* Get the information of the sample correspondint to a given sample number from the media timeline for a track.
 * The information includes the size, timestamps and properties of the sample.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_sample_info_from_media_timeline
(
    lsmash_root_t   *root,
    uint32_t         track_ID,
    uint32_t         sample_number,
    lsmash_sample_t *sample
);

/* Get the properties of the sample correspondint to a given sample number from the media timeline for a track.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_sample_property_from_media_timeline
(
    lsmash_root_t            *root,
    uint32_t                  track_ID,
    uint32_t                  sample_number,
    lsmash_sample_property_t *prop
);

/* Check if the sample corresponding to a given sample number exists in the media timeline for a track.
 *
 * Return 1 if the sample exists.
 * Return 0 otherwise. */
int lsmash_check_sample_existence_in_media_timeline
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint32_t       sample_number
);

/* Set or change the decoding and composition timestamps in the media timeline for a track.
 * This function doesn't support for any LPCM track currently.
 *
 * Return 0 if successful.
 * Return a negative value othewise. */
int lsmash_set_media_timestamps
(
    lsmash_root_t          *root,
    uint32_t                track_ID,
    lsmash_media_ts_list_t *ts_list
);

/* Allocate and get the decoding and composition timestamps from the media timeline for a track.
 * The allocated decoding and composition timestamps can be deallocated by lsmash_delete_media_timestamps().
 *
 * Return 0 if successful.
 * Return a negative value othewise. */
int lsmash_get_media_timestamps
(
    lsmash_root_t          *root,
    uint32_t                track_ID,
    lsmash_media_ts_list_t *ts_list
);

/* Deallocate the decoding and composition timestamps in a given media timestamp list. */
void lsmash_delete_media_timestamps
(
    lsmash_media_ts_list_t *ts_list
);

/* Get the maximum composition delay derived from composition reordering.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_max_sample_delay
(
    lsmash_media_ts_list_t *ts_list,
    uint32_t               *max_sample_delay
);

/* Sort decoding and composition timestamps in decoding order. */
void lsmash_sort_timestamps_decoding_order
(
    lsmash_media_ts_list_t *ts_list
);

/* Sort decoding and composition timestamps in composition order. */
void lsmash_sort_timestamps_composition_order
(
    lsmash_media_ts_list_t *ts_list
);

/****************************************************************************
 * Tools for creating CODEC Specific Information Extensions (Magic Cookies)
 ****************************************************************************/
/* MPEG-4 Systems Specific Information
 *   Mandatory :
 *     ISOM_CODEC_TYPE_MP4A_AUDIO
 *       QT_CODEC_TYPE_MP4A_AUDIO
 *     ISOM_CODEC_TYPE_MP4V_AUDIO
 *     ISOM_CODEC_TYPE_MP4S_AUDIO */
/* objectTypeIndication */
typedef enum
{
    MP4SYS_OBJECT_TYPE_Forbidden                          = 0x00,   /* Forbidden */
    MP4SYS_OBJECT_TYPE_Systems_ISO_14496_1                = 0x01,   /* Systems ISO/IEC 14496-1
                                                                     * For all 14496-1 streams unless specifically indicated to the contrary.
                                                                     * Scene Description scenes, which are identified with StreamType=0x03, using
                                                                     * this object type value shall use the BIFSConfig. */
    MP4SYS_OBJECT_TYPE_Systems_ISO_14496_1_BIFSv2         = 0x02,   /* Systems ISO/IEC 14496-1
                                                                     * This object type shall be used, with StreamType=0x03, for Scene
                                                                     * Description streams that use the BIFSv2Config.
                                                                     * Its use with other StreamTypes is reserved. */
    MP4SYS_OBJECT_TYPE_Interaction_Stream                 = 0x03,   /* Interaction Stream */
    MP4SYS_OBJECT_TYPE_Extended_BIFS                      = 0x04,   /* Extended BIFS
                                                                     * Used, with StreamType=0x03, for Scene Description streams that use the BIFSConfigEx;
                                                                     * its use with other StreamTypes is reserved.
                                                                     * (Was previously reserved for MUCommandStream but not used for that purpose.) */
    MP4SYS_OBJECT_TYPE_AFX_Stream                         = 0x05,   /* AFX Stream
                                                                     * Used, with StreamType=0x03, for Scene Description streams that use the AFXConfig;
                                                                     * its use with other StreamTypes is reserved. */
    MP4SYS_OBJECT_TYPE_Font_Data_Stream                   = 0x06,   /* Font Data Stream */
    MP4SYS_OBJECT_TYPE_Synthetised_Texture                = 0x07,   /* Synthetised Texture */
    MP4SYS_OBJECT_TYPE_Text_Stream                        = 0x08,   /* Text Stream */
    MP4SYS_OBJECT_TYPE_Visual_ISO_14496_2                 = 0x20,   /* Visual ISO/IEC 14496-2
                                                                     * The actual object types are within the DecoderSpecificInfo and defined in 14496-2. */
    MP4SYS_OBJECT_TYPE_Visual_H264_ISO_14496_10           = 0x21,   /* Visual ITU-T Recommendation H.264 | ISO/IEC 14496-10
                                                                     * The actual object types are within the DecoderSpecificInfo and defined in H.264 | 14496-10. */
    MP4SYS_OBJECT_TYPE_Parameter_Sets_H_264_ISO_14496_10  = 0x22,   /* Parameter Sets for ITU-T Recommendation H.264 | ISO/IEC 14496-10
                                                                     * The actual object types are within the DecoderSpecificInfo and defined in H.264 | 14496-10. */
    MP4SYS_OBJECT_TYPE_Audio_ISO_14496_3                  = 0x40,   /* Audio ISO/IEC 14496-3 (MPEG-4 Audio)
                                                                     * The actual object types are defined in 14496-3 and are in the DecoderSpecificInfo as specified in 14496-3. */
    MP4SYS_OBJECT_TYPE_Visual_ISO_13818_2_Simple_Profile  = 0x60,   /* Visual ISO/IEC 13818-2 Simple Profile (MPEG-2 Video) */
    MP4SYS_OBJECT_TYPE_Visual_ISO_13818_2_Main_Profile    = 0x61,   /* Visual ISO/IEC 13818-2 Main Profile */
    MP4SYS_OBJECT_TYPE_Visual_ISO_13818_2_SNR_Profile     = 0x62,   /* Visual ISO/IEC 13818-2 SNR Profile */
    MP4SYS_OBJECT_TYPE_Visual_ISO_13818_2_Spatial_Profile = 0x63,   /* Visual ISO/IEC 13818-2 Spatial Profile */
    MP4SYS_OBJECT_TYPE_Visual_ISO_13818_2_High_Profile    = 0x64,   /* Visual ISO/IEC 13818-2 High Profile */
    MP4SYS_OBJECT_TYPE_Visual_ISO_13818_2_422_Profile     = 0x65,   /* Visual ISO/IEC 13818-2 422 Profile */
    MP4SYS_OBJECT_TYPE_Audio_ISO_13818_7_Main_Profile     = 0x66,   /* Audio ISO/IEC 13818-7 Main Profile (MPEG-2 Audio)(AAC) */
    MP4SYS_OBJECT_TYPE_Audio_ISO_13818_7_LC_Profile       = 0x67,   /* Audio ISO/IEC 13818-7 LowComplexity Profile */
    MP4SYS_OBJECT_TYPE_Audio_ISO_13818_7_SSR_Profile      = 0x68,   /* Audio ISO/IEC 13818-7 Scaleable Sampling Rate Profile
                                                                     * For streams kinda 13818-7 the decoder specific information consists of the ADIF header if present
                                                                     * (or none if not present) and an access unit is a "raw_data_block()" as defined in 13818-7. */
    MP4SYS_OBJECT_TYPE_Audio_ISO_13818_3                  = 0x69,   /* Audio ISO/IEC 13818-3 (MPEG-2 BC-Audio)(redefined MPEG-1 Audio in MPEG-2)
                                                                     * For streams kinda 13818-3 the decoder specific information is empty since all necessary data is in the bitstream frames itself.
                                                                     * The access units in this case are the "frame()" bitstream element as is defined in 11172-3. */
    MP4SYS_OBJECT_TYPE_Visual_ISO_11172_2                 = 0x6A,   /* Visual ISO/IEC 11172-2 (MPEG-1 Video) */
    MP4SYS_OBJECT_TYPE_Audio_ISO_11172_3                  = 0x6B,   /* Audio ISO/IEC 11172-3 (MPEG-1 Audio) */
    MP4SYS_OBJECT_TYPE_Visual_ISO_10918_1                 = 0x6C,   /* Visual ISO/IEC 10918-1 (JPEG) */
    MP4SYS_OBJECT_TYPE_PNG                                = 0x6D,   /* Portable Network Graphics */
    MP4SYS_OBJECT_TYPE_Visual_ISO_15444_1_JPEG2000        = 0x6E,   /* Visual ISO/IEC 15444-1 (JPEG 2000) */

    /* FIXME: rename these symbols to be explaining, rather than based on four cc */
    MP4SYS_OBJECT_TYPE_EVRC_AUDIO                         = 0xA0,   /* EVRC Voice */
    MP4SYS_OBJECT_TYPE_SSMV_AUDIO                         = 0xA1,   /* SMV Voice */
    MP4SYS_OBJECT_TYPE_3GPP2_CMF                          = 0xA2,   /* 3GPP2 Compact Multimedia Format (CMF) */
    MP4SYS_OBJECT_TYPE_VC_1_VIDEO                         = 0xA3,   /* SMPTE VC-1 Video */
    MP4SYS_OBJECT_TYPE_DRAC_VIDEO                         = 0xA4,   /* Dirac Video Coder */
    MP4SYS_OBJECT_TYPE_AC_3_AUDIO                         = 0xA5,   /* AC-3 Audio */
    MP4SYS_OBJECT_TYPE_EC_3_AUDIO                         = 0xA6,   /* Enhanced AC-3 audio */
    MP4SYS_OBJECT_TYPE_DRA1_AUDIO                         = 0xA7,   /* DRA Audio */
    MP4SYS_OBJECT_TYPE_G719_AUDIO                         = 0xA8,   /* ITU G.719 Audio */
    MP4SYS_OBJECT_TYPE_DTSC_AUDIO                         = 0xA9,   /* DTS Coherent Acoustics audio */
    MP4SYS_OBJECT_TYPE_DTSH_AUDIO                         = 0xAA,   /* DTS-HD High Resolution Audio */
    MP4SYS_OBJECT_TYPE_DTSL_AUDIO                         = 0xAB,   /* DTS-HD Master Audio */
    MP4SYS_OBJECT_TYPE_DTSE_AUDIO                         = 0xAC,   /* DTS Express low bit rate audio, also known as DTS LBR */
    MP4SYS_OBJECT_TYPE_SQCP_AUDIO                         = 0xE1,   /* 13K Voice */

    MP4SYS_OBJECT_TYPE_NONE                               = 0xFF,   /* no object type specified
                                                                     * Streams with this value with a StreamType indicating a systems stream (values 1,2,3,6,7,8,9)
                                                                     * shall be treated as if the ObjectTypeIndication had been set to 0x01. */
} lsmash_mp4sys_object_type_indication;

/* streamType */
typedef enum
{
    MP4SYS_STREAM_TYPE_Forbidden               = 0x00,  /* Forbidden */
    MP4SYS_STREAM_TYPE_ObjectDescriptorStream  = 0x01,  /* ObjectDescriptorStream */
    MP4SYS_STREAM_TYPE_ClockReferenceStream    = 0x02,  /* ClockReferenceStream */
    MP4SYS_STREAM_TYPE_SceneDescriptionStream  = 0x03,  /* SceneDescriptionStream */
    MP4SYS_STREAM_TYPE_VisualStream            = 0x04,  /* VisualStream */
    MP4SYS_STREAM_TYPE_AudioStream             = 0x05,  /* AudioStream */
    MP4SYS_STREAM_TYPE_MPEG7Stream             = 0x06,  /* MPEG7Stream */
    MP4SYS_STREAM_TYPE_IPMPStream              = 0x07,  /* IPMPStream */
    MP4SYS_STREAM_TYPE_ObjectContentInfoStream = 0x08,  /* ObjectContentInfoStream */
    MP4SYS_STREAM_TYPE_MPEGJStream             = 0x09,  /* MPEGJStream */
    MP4SYS_STREAM_TYPE_InteractionStream       = 0x0A,  /* Interaction Stream */
    MP4SYS_STREAM_TYPE_IPMPToolStream          = 0x0B,  /* IPMPToolStream */
    MP4SYS_STREAM_TYPE_FontDataStream          = 0x0C,  /* FontDataStream */
    MP4SYS_STREAM_TYPE_StreamingText           = 0x0D,  /* StreamingText */
} lsmash_mp4sys_stream_type;

/* MPEG-4 Systems Decoder Specific Information
 *   an opaque container with information for a specific media decoder
 *   The existence and semantics of decoder specific information depends on the values of streamType and objectTypeIndication. */
typedef struct lsmash_mp4sys_decoder_specific_info_tag lsmash_mp4sys_decoder_specific_info_t;

/* Note: bufferSizeDB, maxBitrate and avgBitrate are calculated internally when calling lsmash_finish_movie().
 *       You need not to set up them manually when muxing streams by L-SMASH. */
typedef struct
{
    lsmash_mp4sys_object_type_indication   objectTypeIndication;
    lsmash_mp4sys_stream_type              streamType;
    uint32_t                               bufferSizeDB;    /* the size of the decoding buffer for this elementary stream in byte */
    uint32_t                               maxBitrate;      /* the maximum bitrate in bits per second of the elementary stream in
                                                             * any time window of one second duration */
    uint32_t                               avgBitrate;      /* the average bitrate in bits per second of the elementary stream
                                                             * Set to 0 if the stream is encoded as variable bitrate. */
    lsmash_mp4sys_decoder_specific_info_t *dsi;             /* zero or one decoder specific information */
} lsmash_mp4sys_decoder_parameters_t;

int lsmash_set_mp4sys_decoder_specific_info
(
    lsmash_mp4sys_decoder_parameters_t *param,
    uint8_t                            *payload,
    uint32_t                            payload_length
);

void lsmash_destroy_mp4sys_decoder_specific_info
(
    lsmash_mp4sys_decoder_parameters_t *param
);

uint8_t *lsmash_create_mp4sys_decoder_config
(
    lsmash_mp4sys_decoder_parameters_t *param,
    uint32_t                           *data_length
);

/* Return MP4SYS_OBJECT_TYPE_Forbidden if objectTypeIndication is not found or there is an error to find it. */
lsmash_mp4sys_object_type_indication lsmash_mp4sys_get_object_type_indication
(
    lsmash_summary_t *summary
);

/* Return -1 if any error.
 * Even if the decoder specific information is not found, it is not an error since no decoder specific information is allowed for some stream formats. */
int lsmash_get_mp4sys_decoder_specific_info
(
    lsmash_mp4sys_decoder_parameters_t *param,
    uint8_t                           **payload,
    uint32_t                           *payload_length
);

/* AC-3 Specific Information
 *   Mandatory :
 *     ISOM_CODEC_TYPE_AC_3_AUDIO
 *
 * Unlike MPEG-4 Audio formats, the decoder does not require this for the initialization.
 * Each AC-3 sample is self-contained.
 * Users shall set the actual sample rate to 'frequency', which is a member of lsmash_audio_summary_t. */
typedef struct
{
    uint8_t fscod;          /* the same value as the fscod field in the AC-3 bitstream */
    uint8_t bsid;           /* the same value as the bsid field in the AC-3 bitstream */
    uint8_t bsmod;          /* the same value as the bsmod field in the AC-3 bitstream */
    uint8_t acmod;          /* the same value as the acmod field in the AC-3 bitstream */
    uint8_t lfeon;          /* the same value as the lfeon field in the AC-3 bitstream */
    uint8_t frmsizecod;     /* the same value as the frmsizecod field in the AC-3 bitstream */
} lsmash_ac3_specific_parameters_t;

int lsmash_setup_ac3_specific_parameters_from_syncframe
(
    lsmash_ac3_specific_parameters_t *param,
    uint8_t                          *data,
    uint32_t                          data_length
);

uint8_t *lsmash_create_ac3_specific_info
(
    lsmash_ac3_specific_parameters_t *param,
    uint32_t                         *data_length
);

/* Enhanced AC-3 Specific Information
 *   Mandatory :
 *     ISOM_CODEC_TYPE_EC_3_AUDIO
 *
 * Unlike MPEG-4 Audio formats, the decoder does not require this for the initialization.
 * Each Enhanced AC-3 sample is self-contained.
 * Note that this cannot document reduced sample rates (24000, 22050 or 16000 Hz).
 * Therefore, users shall set the actual sample rate to 'frequency', which is a member of lsmash_audio_summary_t. */
typedef struct
{
    uint8_t  fscod;         /* the same value as the fscod field in the independent substream */
    uint8_t  bsid;          /* the same value as the bsid field in the independent substream */
    uint8_t  bsmod;         /* the same value as the bsmod field in the independent substream
                             * If the bsmod field is not present in the independent substream, this field shall be set to 0. */
    uint8_t  acmod;         /* the same value as the acmod field in the independent substream */
    uint8_t  lfeon;         /* the same value as the lfeon field in the independent substream */
    uint8_t  num_dep_sub;   /* the number of dependent substreams that are associated with the independent substream */
    uint16_t chan_loc;      /* channel locations of dependent substreams associated with the independent substream
                             * This information is extracted from the chanmap field of each dependent substream. */
} lsmash_eac3_substream_info_t;

typedef struct
{
    uint16_t data_rate;     /* the data rate of the Enhanced AC-3 bitstream in kbit/s
                             * If the Enhanced AC-3 stream is variable bitrate, then this value indicates the maximum data rate of the stream. */
    uint8_t  num_ind_sub;   /* the number of independent substreams that are present in the Enhanced AC-3 bitstream
                             * The value of this field is one less than the number of independent substreams present
                             * and shall be in the range of 0 to 7, inclusive. */
    lsmash_eac3_substream_info_t independent_info[8];
} lsmash_eac3_specific_parameters_t;

int lsmash_setup_eac3_specific_parameters_from_frame
(
    lsmash_eac3_specific_parameters_t *param,
    uint8_t                           *data,
    uint32_t                           data_length
);

uint16_t lsmash_eac3_get_chan_loc_from_chanmap
(
    uint16_t chanmap
);

uint8_t *lsmash_create_eac3_specific_info
(
    lsmash_eac3_specific_parameters_t *param,
    uint32_t                          *data_length
);

/* DTS Audio Specific Information
 *   Mandatory :
 *     ISOM_CODEC_TYPE_DTSC_AUDIO
 *     ISOM_CODEC_TYPE_DTSH_AUDIO
 *     ISOM_CODEC_TYPE_DTSL_AUDIO
 *     ISOM_CODEC_TYPE_DTSE_AUDIO
 *
 * Unlike MPEG-4 Audio formats, the decoder does not require this for the initialization.
 * Each DTS Audio sample is self-contained. */
typedef enum
{
    DTS_CORE_SUBSTREAM_CORE_FLAG = 0x00000001,
    DTS_CORE_SUBSTREAM_XXCH_FLAG = 0x00000002,
    DTS_CORE_SUBSTREAM_X96_FLAG  = 0x00000004,
    DTS_CORE_SUBSTREAM_XCH_FLAG  = 0x00000008,
    DTS_EXT_SUBSTREAM_CORE_FLAG  = 0x00000010,
    DTS_EXT_SUBSTREAM_XBR_FLAG   = 0x00000020,
    DTS_EXT_SUBSTREAM_XXCH_FLAG  = 0x00000040,
    DTS_EXT_SUBSTREAM_X96_FLAG   = 0x00000080,
    DTS_EXT_SUBSTREAM_LBR_FLAG   = 0x00000100,
    DTS_EXT_SUBSTREAM_XLL_FLAG   = 0x00000200,
} lsmash_dts_construction_flag;

typedef struct lsmash_dts_reserved_box_tag lsmash_dts_reserved_box_t;

typedef struct
{
    uint32_t DTSSamplingFrequency;  /* the maximum sampling frequency stored in the compressed audio stream
                                     * 'frequency', which is a member of lsmash_audio_summary_t, shall be set according to DTSSamplingFrequency of either:
                                     *   48000 for original sampling frequencies of 24000Hz, 48000Hz, 96000Hz or 192000Hz;
                                     *   44100 for original sampling frequencies of 22050Hz, 44100Hz, 88200Hz or 176400Hz;
                                     *   32000 for original sampling frequencies of 16000Hz, 32000Hz, 64000Hz or 128000Hz. */
    uint32_t maxBitrate;            /* the peak bit rate, in bits per second, of the audio elementary stream for the duration of the track,
                                     * including the core substream (if present) and all extension substreams.
                                     * If the stream is a constant bit rate, this parameter shall have the same value as avgBitrate.
                                     * If the maximum bit rate is unknown, this parameter shall be set to 0. */
    uint32_t avgBitrate;            /* the average bit rate, in bits per second, of the audio elementary stream for the duration of the track,
                                     * including the core substream and any extension substream that may be present. */
    uint8_t  pcmSampleDepth;        /* the bit depth of the rendered audio
                                     * The value is 16 or 24 bits. */
    uint8_t  FrameDuration;         /* the number of audio samples decoded in a complete audio access unit at DTSSamplingFrequency
                                     *   0: 512, 1: 1024, 2: 2048, 3: 4096 */
    uint8_t  StreamConstruction;    /* complete information on the existence and of location of extensions in any synchronized frame */
    uint8_t  CoreLFEPresent;        /* the presence of an LFE channel in the core
                                     *   0: none
                                     *   1: LFE exists */
    uint8_t  CoreLayout;            /* the channel layout of the core within the core substream
                                     * If no core substream exists, this parameter shall be ignored and ChannelLayout or
                                     * RepresentationType shall be used to determine channel configuration. */
    uint16_t CoreSize;              /* The size of a core substream AU in bytes.
                                     * If no core substream exists, CoreSize = 0. */
    uint8_t  StereoDownmix;         /* the presence of an embedded stereo downmix in the stream
                                     *   0: none
                                     *   1: embedded downmix present */
    uint8_t  RepresentationType;    /* This indicates special properties of the audio presentation.
                                     *   0: Audio asset designated for mixing with another audio asset
                                     *   2: Lt/Rt Encoded for matrix surround decoding
                                     *   3: Audio processed for headphone playback
                                     *   otherwise: Reserved
                                     * If ChannelLayout != 0, this value shall be ignored. */
    uint16_t ChannelLayout;         /* complete information on channels coded in the audio stream including core and extensions */
    uint8_t  MultiAssetFlag;        /* This flag shall set if the stream contains more than one asset.
                                     *   0: single asset
                                     *   1: multiple asset
                                     * When multiple assets exist, the remaining parameters only reflect the coding parameters of the first asset. */
    uint8_t  LBRDurationMod;        /* This flag indicates a special case of the LBR coding bandwidth, resulting in 1/3 or 2/3 band limiting.
                                     * If set to 1, LBR frame duration is 50 % larger than indicated in FrameDuration */
    lsmash_dts_reserved_box_t *box;
} lsmash_dts_specific_parameters_t;

int lsmash_setup_dts_specific_parameters_from_frame
(
    lsmash_dts_specific_parameters_t *param,
    uint8_t                          *data,
    uint32_t                          data_length
);

uint8_t lsmash_dts_get_stream_construction
(
    lsmash_dts_construction_flag flags
);

lsmash_dts_construction_flag lsmash_dts_get_construction_flags
(
    uint8_t stream_construction
);

lsmash_codec_type_t lsmash_dts_get_codingname
(
    lsmash_dts_specific_parameters_t *param
);

uint8_t *lsmash_create_dts_specific_info
(
    lsmash_dts_specific_parameters_t *param,
    uint32_t                         *data_length
);

int lsmash_append_dts_reserved_box
(
    lsmash_dts_specific_parameters_t *param,
    uint8_t                          *box_data,
    uint32_t                          box_size
);

void lsmash_remove_dts_reserved_box
(
    lsmash_dts_specific_parameters_t *param
);

/* Apple Lossless Audio Specific Information
 *   Mandatory :
 *     ISOM_CODEC_TYPE_ALAC_AUDIO
 *       QT_CODEC_TYPE_ALAC_AUDIO */
typedef struct
{
    uint32_t frameLength;       /* the frames per packet when no explicit frames per packet setting is present in the packet header
                                 * The encoder frames per packet can be explicitly set but for maximum compatibility,
                                 * the default encoder setting of 4096 should be used. */
    uint8_t  bitDepth;          /* the bit depth of the source PCM data (maximum value = 32) */
    uint8_t  numChannels;       /* the channel count (1 = mono, 2 = stereo, etc...)
                                 * When channel layout info is not provided in the Channel Layout extension,
                                 * a channel count > 2 describes a set of discreet channels with no specific ordering. */
    uint32_t maxFrameBytes;     /* the maximum size of an Apple Lossless packet within the encoded stream
                                 * Value of 0 indicates unknown. */
    uint32_t avgBitrate;        /* the average bit rate in bits per second of the Apple Lossless stream
                                 * Value of 0 indicates unknown. */
    uint32_t sampleRate;        /* sample rate of the encoded stream */
} lsmash_alac_specific_parameters_t;

uint8_t *lsmash_create_alac_specific_info
(
    lsmash_alac_specific_parameters_t *param,
    uint32_t                          *data_length
);

/* MPEG-4 Bitrate Information.
 *   Optional :
 *     ISOM_CODEC_TYPE_AVC1_VIDEO
 *     ISOM_CODEC_TYPE_AVC2_VIDEO
 *     ISOM_CODEC_TYPE_AVC3_VIDEO
 *     ISOM_CODEC_TYPE_AVC4_VIDEO
 *     ISOM_CODEC_TYPE_HVC1_VIDEO
 *     ISOM_CODEC_TYPE_HEV1_VIDEO
 *
 * Though you need not to set these fields manually since lsmash_finish_movie() calls the function
 * that calculates these values internally, these fields are optional.
 * Therefore, if you want to add this info, append this as an extension via LSMASH_CODEC_SPECIFIC_DATA_TYPE_ISOM_VIDEO_H264_BITRATE at least. */
typedef struct
{
    uint32_t bufferSizeDB;  /* the size of the decoding buffer for the elementary stream in bytes */
    uint32_t maxBitrate;    /* the maximum rate in bits/second over any window of one second */
    uint32_t avgBitrate;    /* the average rate in bits/second over the entire presentation */
} lsmash_h264_bitrate_t;

/* Appendability of NAL unit into Decoder Configuration Record */
typedef enum
{
    DCR_NALU_APPEND_NEW_SAMPLE_ENTRY_REQUIRED = -3, /* A new sample description entry is needed because e.g. visual presentation size changes. */
    DCR_NALU_APPEND_NEW_DCR_REQUIRED          = -2, /* A new Decoder Configuration Record is needed. */
    DCR_NALU_APPEND_ERROR                     = -1, /* something of errors */
    DCR_NALU_APPEND_DUPLICATED                = 0,  /* The same NAL unit is in the Decoder Configuration Record. */
    DCR_NALU_APPEND_POSSIBLE                  = 1,  /* It is possible to append the NAL unit into the Decoder Configuration Record. */
} lsmash_dcr_nalu_appendable;

/* H.264/AVC Specific Information
 *   Mandatory :
 *     ISOM_CODEC_TYPE_AVC1_VIDEO
 *     ISOM_CODEC_TYPE_AVC2_VIDEO
 *     ISOM_CODEC_TYPE_AVC3_VIDEO
 *     ISOM_CODEC_TYPE_AVC4_VIDEO
 *
 * All members in lsmash_h264_specific_parameters_t except for lengthSizeMinusOne shall be automatically set up
 * when appending SPS NAL units by calling lsmash_append_h264_parameter_set(). */
typedef enum
{
    H264_PARAMETER_SET_TYPE_SPS    = 0,     /* SPS (Sequence Parameter Set) */
    H264_PARAMETER_SET_TYPE_PPS    = 1,     /* PPS (Picture Parameter Set) */
    H264_PARAMETER_SET_TYPE_SPSEXT = 2,     /* SPS Ext (Sequence Parameter Set Extension) */
    /* The number of the NAL unit types defined for AVC Decoder Configuration Record */
    H264_PARAMETER_SET_TYPE_NUM
} lsmash_h264_parameter_set_type;

typedef struct lsmash_h264_parameter_sets_tag lsmash_h264_parameter_sets_t;

typedef struct
{
    uint8_t AVCProfileIndication;       /* profile_idc in sequence parameter sets
                                         *   This field must indicate a profile to which the stream associated with
                                         *   this configuration record conforms.
                                         *   Note: there is no profile to which the entire stream conforms, then
                                         *         the entire stream must be split into two or more sub-streams with
                                         *         separate configuration records in which these rules can be met. */
    uint8_t profile_compatibility;      /* constraint_set_flags in sequence parameter sets
                                         *   The each bit may only be set if all the included parameter sets set that flag. */
    uint8_t AVCLevelIndication;         /* level_idc in sequence parameter sets
                                         *   This field must indicate a level of capability equal to or greater than
                                         *   the highest level indicated in the included parameter sets. */
    uint8_t lengthSizeMinusOne;         /* the length in bytes of the NALUnitLength field prior to NAL unit
                                         *   The value of this field shall be one of 0, 1, or 3
                                         *   corresponding to a length encoded with 1, 2, or 4 bytes, respectively.
                                         *   NALUnitLength indicates the size of a NAL unit measured in bytes,
                                         *   and includes the size of both the one byte NAL header and the EBSP payload
                                         *   but does not include the length field itself. */
    /* chroma format and bit depth information
     * These fields must be identical in all the parameter sets. */
    uint8_t chroma_format;              /* chroma_format_idc in sequence parameter sets */
    uint8_t bit_depth_luma_minus8;      /* bit_depth_luma_minus8 in sequence parameter sets */
    uint8_t bit_depth_chroma_minus8;    /* bit_depth_chroma_minus8 in sequence parameter sets */
    /* a set of arrays to carry initialization NAL units
     * The NAL unit types are restricted to indicate SPS, PPS and SPS Ext NAL units only. */
    lsmash_h264_parameter_sets_t *parameter_sets;
} lsmash_h264_specific_parameters_t;

int lsmash_setup_h264_specific_parameters_from_access_unit
(
    lsmash_h264_specific_parameters_t *param,
    uint8_t                           *data,
    uint32_t                           data_length
);

void lsmash_destroy_h264_parameter_sets
(
    lsmash_h264_specific_parameters_t *param
);

lsmash_dcr_nalu_appendable lsmash_check_h264_parameter_set_appendable
(
    lsmash_h264_specific_parameters_t *param,
    lsmash_h264_parameter_set_type     ps_type,
    void                              *ps_data,
    uint32_t                           ps_length
);

int lsmash_append_h264_parameter_set
(
    lsmash_h264_specific_parameters_t *param,
    lsmash_h264_parameter_set_type     ps_type,
    void                              *ps_data,
    uint32_t                           ps_length
);

uint8_t *lsmash_create_h264_specific_info
(
    lsmash_h264_specific_parameters_t *param,
    uint32_t                          *data_length
);

/* H.265/HEVC Specific Information
 *   Mandatory :
 *     ISOM_CODEC_TYPE_HVC1_VIDEO
 *     ISOM_CODEC_TYPE_HEV1_VIDEO
 *
 * All members in lsmash_hevc_specific_parameters_t except for avgFrameRate and lengthSizeMinusOne shall be
 * automatically set up when appending VPS and SPS NAL units by calling lsmash_append_hevc_dcr_nalu().
 * It is recommended that you should append VPS, SPS and PPS in this order so that a parameter set can reference
 * another parameter set. */
typedef enum
{
    /* Parameter sets
     *   When the CODEC identifier ISOM_CODEC_TYPE_HVC1_VIDEO is used, at least one parameter set for each array
     *   of parameter set shall be in the configuration record. */
    HEVC_DCR_NALU_TYPE_VPS        = 0,      /* VPS (Video Parameter Set) */
    HEVC_DCR_NALU_TYPE_SPS        = 1,      /* SPS (Sequence Parameter Set) */
    HEVC_DCR_NALU_TYPE_PPS        = 2,      /* PPS (Picture Parameter Set) */
    /* SEI (Supplemental Enhancement Information)
     *   Only the 'declarative' SEI messages that provide information about the stream as
     *   a whole are allowed because SEIs themselves basically have no identifier and
     *   no one can reference dynamically in a configuration record. */
    HEVC_DCR_NALU_TYPE_PREFIX_SEI = 3,      /* Prefix SEI */
    HEVC_DCR_NALU_TYPE_SUFFIX_SEI = 4,      /* Suffix SEI */
    /* The number of the NAL unit types defined for HEVC Decoder Configuration Record */
    HEVC_DCR_NALU_TYPE_NUM
} lsmash_hevc_dcr_nalu_type;

typedef struct lsmash_hevc_parameter_arrays_tag lsmash_hevc_parameter_arrays_t;

typedef struct
{
    /* general profile, tier and level from VPS and/or SPS */
    uint8_t  general_profile_space;                 /* general_profile_space
                                                     *   The value in all the parameter sets must be identical. */
    uint8_t  general_tier_flag;                     /* general_tier_flag
                                                     *   The value must indicate a tier equal to or greater than the highest
                                                     *   tier indicated in all the parameter sets. */
    uint8_t  general_profile_idc;                   /* general_profile_idc
                                                     *   The value must indicate a profile to which the stream associated with
                                                     *   this configuration record conforms.
                                                     *   Note: there is no profile to which the entire stream conforms, then
                                                     *         the entire stream must be split into two or more sub-streams with
                                                     *         separate configuration records in which these rules can be met. */
    uint32_t general_profile_compatibility_flags;   /* general_profile_compatibility_flag[j] for j from 0 to 31
                                                     *   The each bit may only be set if all the parameter sets set that bit. */
    uint64_t general_constraint_indicator_flags;    /* the 6 bytes starting with the byte containing the general_progressive_source_flag
                                                     *   The each bit may only be set if all the parameter sets set that bit. */
    uint8_t  general_level_idc;                     /* general_level_idc
                                                     *   The value must indicate a level of capability equal to or greater
                                                     *   than the highest level indicated for the highest tier in all the
                                                     *   parameter sets. */
    /* */
    uint16_t min_spatial_segmentation_idc;          /* min_spatial_segmentation_idc in VUI (Video Usability Information)
                                                     *   The value must indicate a level of spatial segmentation equal to
                                                     *   or less than the lowest level of spatial segmentation indicated in
                                                     *   all the parameter sets. */
    uint8_t  parallelismType;                       /* parallelismType indicates the type of parallelism that is used to meet the
                                                     * restrictions imposed by min_spatial_segmentation_idc when the value of
                                                     * min_spatial_segmentation_idc is greater than 0.
                                                     *   For the stream to which this configuration record applies,
                                                     *     0: mixed types of parallel decoding or parallelism type is unknown
                                                     *     1: slice based parallel decoding
                                                     *     2: tile based parallel decoding
                                                     *     3: entropy coding synchronization based parallel decoding
                                                     *        (WPP: Wavefront Parallel Processing) */
    /* chroma format and bit depth information
     * These fields must be identical in all the parameter sets. */
    uint8_t  chromaFormat;                          /* chroma_format_idc in sequence parameter sets */
    uint8_t  bitDepthLumaMinus8;                    /* bit_depth_luma_minus8 in sequence parameter sets */
    uint8_t  bitDepthChromaMinus8;                  /* bit_depth_chroma_minus8 in sequence parameter sets */
    /* miscellaneous */
    uint16_t avgFrameRate;                          /* the average frame rate in units of frames/(256 seconds)
                                                     *   Value 0 indicates an unspecified average frame rate. */
    uint8_t  constantFrameRate;                     /* 0: the stream may or may not be of constant frame rate.
                                                     * 1: that the stream to which this configuration record applies is of
                                                     *    constant frame rate
                                                     * 2: the representation of each temporal layer in the stream is of
                                                     *    constant frame rate. */
    uint8_t  numTemporalLayers;                     /* 0: it is unknown whether the stream is temporally scalable.
                                                     * 1: the stream is not temporally scalable.
                                                     * otherwise: the stream to which this configuration record applies is
                                                     *            temporally scalable and the contained number of temporal layers
                                                     *            (also referred to as temporal sublayer or sub-layer) is equal
                                                     *            is equal to numTemporalLayers. */
    uint8_t  temporalIdNested;                      /* 0: at least one of the SPSs that are activated when the stream to which
                                                     *    this configuration record applies is decoded has sps_temporal_id_nesting_flag
                                                     *    equal to 0.
                                                     * 1: all SPSs that are activated when the stream to which this configuration
                                                     *    record applies is decoded have sps_temporal_id_nesting_flag equal to 1
                                                     *    and temporal sub-layer up-switching to any higher temporal layer can be
                                                     *    performed at any sample.
                                                     *    Any step-wise temporal sub-layer access picture shall not be present in
                                                     *    the sequences to which this configuration record applies. */
    uint8_t  lengthSizeMinusOne;                    /* the length in bytes of the NALUnitLength field prior to NAL unit
                                                     *   The value of this field shall be one of 0, 1, or 3
                                                     *   corresponding to a length encoded with 1, 2, or 4 bytes, respectively.
                                                     *   NALUnitLength indicates the size of a NAL unit measured in bytes,
                                                     *   and includes the size of both the one byte NAL header and the EBSP payload
                                                     *   but does not include the length field itself. */
    /* a set of arrays to carry initialization NAL units
     * The NAL unit types are restricted to indicate VPS, SPS, PPS, and SEI NAL units only. */
    lsmash_hevc_parameter_arrays_t *parameter_arrays;
} lsmash_hevc_specific_parameters_t;

int lsmash_setup_hevc_specific_parameters_from_access_unit
(
    lsmash_hevc_specific_parameters_t *param,
    uint8_t                           *data,
    uint32_t                           data_length
);

void lsmash_destroy_hevc_parameter_arrays
(
    lsmash_hevc_specific_parameters_t *param
);

lsmash_dcr_nalu_appendable lsmash_check_hevc_dcr_nalu_appendable
(
    lsmash_hevc_specific_parameters_t *param,
    lsmash_hevc_dcr_nalu_type          ps_type,
    void                              *ps_data,
    uint32_t                           ps_length
);

int lsmash_append_hevc_dcr_nalu
(
    lsmash_hevc_specific_parameters_t *param,
    lsmash_hevc_dcr_nalu_type          ps_type,
    void                              *ps_data,
    uint32_t                           ps_length
);

int lsmash_set_hevc_array_completeness
(
    lsmash_hevc_specific_parameters_t *param,
    lsmash_hevc_dcr_nalu_type          ps_type,
    int                                array_completeness
);

int lsmash_get_hevc_array_completeness
(
    lsmash_hevc_specific_parameters_t *param,
    lsmash_hevc_dcr_nalu_type          ps_type,
    int                               *array_completeness
);

uint8_t *lsmash_create_hevc_specific_info
(
    lsmash_hevc_specific_parameters_t *param,
    uint32_t                          *data_length
);

/* VC-1 Specific Information
 *   Mandatory :
 *     ISOM_CODEC_TYPE_VC_1_VIDEO
 *
 * We support only advanced profile at present. */
typedef struct lsmash_vc1_header_tag lsmash_vc1_header_t;

typedef struct
{
    /* Note: multiple_sequence, multiple_entry, slice_present and bframe_present shall be decided through overall VC-1 bitstream. */
    uint8_t  profile;               /* the encoding profile used in the VC-1 bitstream
                                     *   0: simple profile (not supported)
                                     *   4: main profile   (not supported)
                                     *  12: advanced profile
                                     * Currently, only 12 for advanced profile is available. */
    uint8_t  level;                 /* the highest encoding level used in the VC-1 bitstream */
    uint8_t  cbr;                   /* 0: non-constant bitrate model
                                     * 1: constant bitrate model */
    uint8_t  interlaced;            /* 0: interlaced coding of frames is not used.
                                     * 1: frames may use interlaced coding. */
    uint8_t  multiple_sequence;     /* 0: the track contains no sequence headers (stored only in VC-1 specific info structure),
                                     *    or
                                     *    all sequence headers in the track are identical to the sequence header that is specified in the seqhdr field.
                                     *    In this case, random access points are samples that contain an entry-point header.
                                     * 1: the track may contain Sequence headers that are different from the sequence header specified in the seqhdr field.
                                     *    In this case, random access points are samples that contain both a sequence Header and an entry-point header. */
    uint8_t  multiple_entry;        /* 0: all entry-point headers in the track are identical to the entry-point header that is specified in the ephdr field.
                                     * 1: the track may contain entry-point headers that are different from the entry-point header specified in the ephdr field. */
    uint8_t  slice_present;         /* 0: frames are not coded as multiple slices.
                                     * 1: frames may be coded as multiple slices. */
    uint8_t  bframe_present;        /* 0: neither B-frames nor BI-frames are present in the track.
                                     * 1: B-frames or BI-frames may be present in the track. */
    uint32_t framerate;             /* the rounded frame rate (frames per second) of the track
                                     * Should be set to 0xffffffff if the frame rate is not known, unspecified, or non-constant. */
    lsmash_vc1_header_t *seqhdr;    /* a sequence header EBDU (mandatory) */
    lsmash_vc1_header_t *ephdr;     /* an entry-point header EBDU (mandatory) */
} lsmash_vc1_specific_parameters_t;

int lsmash_setup_vc1_specific_parameters_from_access_unit
(
    lsmash_vc1_specific_parameters_t *param,
    uint8_t                          *data,
    uint32_t                          data_length
);

void lsmash_destroy_vc1_headers
(
    lsmash_vc1_specific_parameters_t *param
);

int lsmash_put_vc1_header
(
    lsmash_vc1_specific_parameters_t *param,
    void                             *hdr_data,
    uint32_t                          hdr_length
);

uint8_t *lsmash_create_vc1_specific_info
(
    lsmash_vc1_specific_parameters_t *param,
    uint32_t                         *data_length
);

/* Sample scaling
 * Without this extension, video samples are scaled into the visual presentation region to fill it. */
typedef enum
{
    ISOM_SCALE_METHOD_FILL    = 1,
    ISOM_SCALE_METHOD_HIDDEN  = 2,
    ISOM_SCALE_METHOD_MEET    = 3,
    ISOM_SCALE_METHOD_SLICE_X = 4,
    ISOM_SCALE_METHOD_SLICE_Y = 5,
} lsmash_scale_method;

typedef struct
{
    uint8_t constraint_flag;            /* Upper 7-bits are reserved.
                                         * If this flag is set, all samples described by this sample entry shall be scaled
                                         * according to the method specified by the field 'scale_method'. */
    lsmash_scale_method scale_method;   /* The semantics of the values for scale_method are as specified for the 'fit' attribute of regions in SMIL 1.0. */
    int16_t display_center_x;
    int16_t display_center_y;
} lsmash_isom_sample_scale_t;

/* QuickTime Video CODEC tools */
typedef enum
{
    QT_COMPRESSION_QUALITY_LOSSLESS = 0x00000400,   /* only valid for spatial compression */
    QT_COMPRESSION_QUALITY_MAX      = 0x000003FF,
    QT_COMPRESSION_QUALITY_MIN      = 0x00000000,
    QT_COMPRESSION_QUALITY_LOW      = 0x00000100,
    QT_COMPRESSION_QUALITY_NORMAL   = 0x00000200,
    QT_COMPRESSION_QUALITY_HIGH     = 0x00000300
} lsmash_qt_compression_quality;

typedef struct
{
    uint32_t seed;          /* Must be set to 0. */
    uint16_t flags;         /* Must be set to 0x8000. */
    uint16_t size;          /* the number of colors in the following color array
                             * This is a zero-relative value;
                             * setting this field to 0 means that there is one color in the array. */
    /* Color array
     * An array of colors. Each color is made of four unsigned 16-bit integers.
     * We support up to 256 elements. */
    struct
    {
        uint16_t unused;    /* Must be set to 0. */
        /* true color */
        uint16_t r;         /* magnitude of red component */
        uint16_t g;         /* magnitude of green component */
        uint16_t b;         /* magnitude of blue component */
    } array[256];
} lsmash_qt_color_table_t;

typedef struct
{
    int16_t                         revision_level;             /* version of the CODEC */
    int32_t                         vendor;                     /* whose CODEC */
    lsmash_qt_compression_quality   temporalQuality;            /* the temporal quality factor (0-1023) */
    lsmash_qt_compression_quality   spatialQuality;             /* the spatial quality factor (0-1024) */
    uint32_t                        horizontal_resolution;      /* a 16.16 fixed-point number containing the horizontal resolution of the image in pixels per inch. */
    uint32_t                        vertical_resolution;        /* a 16.16 fixed-point number containing the vertical resolution of the image in pixels per inch. */
    uint32_t                        dataSize;                   /* if known, the size of data for this descriptor */
    uint16_t                        frame_count;                /* frame per sample */
    int16_t                         color_table_ID;             /* color table ID
                                                                 * If this field is set to -1, the default color table should be used for the specified depth
                                                                 * If the color table ID is set to 0, a color table is contained within the sample description itself.
                                                                 * The color table immediately follows the color table ID field. */
    lsmash_qt_color_table_t         color_table;                /* a list of preferred colors for displaying the movie on devices that support only 256 colors */
} lsmash_qt_video_common_t;

typedef struct
{
    uint32_t level;     /* A fixed-point 16.16 number indicating the gamma level at which the image was captured. */
} lsmash_qt_gamma_t;

typedef enum
{
    QT_FIELEDS_SCAN_PROGRESSIVE = 1,    /* progressive scan */
    QT_FIELEDS_SCAN_INTERLACED  = 2,    /* 2:1 interlaced */
} lsmash_qt_number_of_fields;

/* field ordering for interlaced material */
typedef enum
{
    QT_FIELD_ORDERINGS_UNKNOWN                  = 0,
    QT_FIELD_ORDERINGS_TEMPORAL_TOP_FIRST       = 1,
    QT_FIELD_ORDERINGS_TEMPORAL_BOTTOM_FIRST    = 6,
    QT_FIELD_ORDERINGS_SPATIAL_FIRST_LINE_EARLY = 9,
    QT_FIELD_ORDERINGS_SPATIAL_FIRST_LINE_LATE  = 14
} lsmash_qt_field_orderings;

typedef struct
{
    lsmash_qt_number_of_fields fields;
    lsmash_qt_field_orderings  detail;
} lsmash_qt_field_info_t;

/* the native pixel format */
typedef enum
{
    QT_PIXEL_FORMAT_TYPE_1_MONOCHROME                       = 0x00000001,                           /* 1 bit indexed */
    QT_PIXEL_FORMAT_TYPE_2_INDEXED                          = 0x00000002,                           /* 2 bit indexed */
    QT_PIXEL_FORMAT_TYPE_4_INDEXED                          = 0x00000004,                           /* 4 bit indexed */
    QT_PIXEL_FORMAT_TYPE_8_INDEXED                          = 0x00000008,                           /* 8 bit indexed */
    QT_PIXEL_FORMAT_TYPE_1_INDEXED_GRAY_WHITE_IS_ZERO       = 0x00000021,                           /* 1 bit indexed gray, white is zero */
    QT_PIXEL_FORMAT_TYPE_2_INDEXED_GRAY_WHITE_IS_ZERO       = 0x00000022,                           /* 2 bit indexed gray, white is zero */
    QT_PIXEL_FORMAT_TYPE_4_INDEXED_GRAY_WHITE_IS_ZERO       = 0x00000024,                           /* 4 bit indexed gray, white is zero */
    QT_PIXEL_FORMAT_TYPE_8_INDEXED_GRAY_WHITE_IS_ZERO       = 0x00000028,                           /* 8 bit indexed gray, white is zero */
    QT_PIXEL_FORMAT_TYPE_16BE555                            = 0x00000010,                           /* 16 bit BE RGB 555 */
    QT_PIXEL_FORMAT_TYPE_16LE555                            = LSMASH_4CC( 'L', '5', '5', '5' ),     /* 16 bit LE RGB 555 */
    QT_PIXEL_FORMAT_TYPE_16LE5551                           = LSMASH_4CC( '5', '5', '5', '1' ),     /* 16 bit LE RGB 5551 */
    QT_PIXEL_FORMAT_TYPE_16BE565                            = LSMASH_4CC( 'B', '5', '6', '5' ),     /* 16 bit BE RGB 565 */
    QT_PIXEL_FORMAT_TYPE_16LE565                            = LSMASH_4CC( 'L', '5', '6', '5' ),     /* 16 bit LE RGB 565 */
    QT_PIXEL_FORMAT_TYPE_24RGB                              = 0x00000018,                           /* 24 bit RGB */
    QT_PIXEL_FORMAT_TYPE_24BGR                              = LSMASH_4CC( '2', '4', 'B', 'G' ),     /* 24 bit BGR */
    QT_PIXEL_FORMAT_TYPE_32ARGB                             = 0x00000020,                           /* 32 bit ARGB */
    QT_PIXEL_FORMAT_TYPE_32BGRA                             = LSMASH_4CC( 'B', 'G', 'R', 'A' ),     /* 32 bit BGRA */
    QT_PIXEL_FORMAT_TYPE_32ABGR                             = LSMASH_4CC( 'A', 'B', 'G', 'R' ),     /* 32 bit ABGR */
    QT_PIXEL_FORMAT_TYPE_32RGBA                             = LSMASH_4CC( 'R', 'G', 'B', 'A' ),     /* 32 bit RGBA */
    QT_PIXEL_FORMAT_TYPE_64ARGB                             = LSMASH_4CC( 'b', '6', '4', 'a' ),     /* 64 bit ARGB, 16-bit big-endian samples */
    QT_PIXEL_FORMAT_TYPE_48RGB                              = LSMASH_4CC( 'b', '4', '8', 'r' ),     /* 48 bit RGB, 16-bit big-endian samples */
    QT_PIXEL_FORMAT_TYPE_32_ALPHA_GRAY                      = LSMASH_4CC( 'b', '3', '2', 'a' ),     /* 32 bit AlphaGray, 16-bit big-endian samples, black is zero */
    QT_PIXEL_FORMAT_TYPE_16_GRAY                            = LSMASH_4CC( 'b', '1', '6', 'g' ),     /* 16 bit Grayscale, 16-bit big-endian samples, black is zero */
    QT_PIXEL_FORMAT_TYPE_30RGB                              = LSMASH_4CC( 'R', '1', '0', 'k' ),     /* 30 bit RGB, 10-bit big-endian samples, 2 unused padding bits (at least significant end) */
    QT_PIXEL_FORMAT_TYPE_422YpCbCr8                         = LSMASH_4CC( '2', 'v', 'u', 'y' ),     /* Component Y'CbCr 8-bit 4:2:2, ordered Cb Y'0 Cr Y'1 */
    QT_PIXEL_FORMAT_TYPE_4444YpCbCrA8                       = LSMASH_4CC( 'v', '4', '0', '8' ),     /* Component Y'CbCrA 8-bit 4:4:4:4, ordered Cb Y' Cr A */
    QT_PIXEL_FORMAT_TYPE_4444YpCbCrA8R                      = LSMASH_4CC( 'r', '4', '0', '8' ),     /* Component Y'CbCrA 8-bit 4:4:4:4, rendering format. full range alpha, zero biased YUV, ordered A Y' Cb Cr */
    QT_PIXEL_FORMAT_TYPE_4444AYpCbCr8                       = LSMASH_4CC( 'y', '4', '0', '8' ),     /* Component Y'CbCrA 8-bit 4:4:4:4, ordered A Y' Cb Cr, full range alpha, video range Y'CbCr */
    QT_PIXEL_FORMAT_TYPE_4444AYpCbCr16                      = LSMASH_4CC( 'y', '4', '1', '6' ),     /* Component Y'CbCrA 16-bit 4:4:4:4, ordered A Y' Cb Cr, full range alpha, video range Y'CbCr, 16-bit little-endian samples */
    QT_PIXEL_FORMAT_TYPE_444YpCbCr8                         = LSMASH_4CC( 'v', '3', '0', '8' ),     /* Component Y'CbCr 8-bit 4:4:4 */
    QT_PIXEL_FORMAT_TYPE_422YpCbCr16                        = LSMASH_4CC( 'v', '2', '1', '6' ),     /* Component Y'CbCr 10,12,14,16-bit 4:2:2 */
    QT_PIXEL_FORMAT_TYPE_422YpCbCr10                        = LSMASH_4CC( 'v', '2', '1', '0' ),     /* Component Y'CbCr 10-bit 4:2:2 */
    QT_PIXEL_FORMAT_TYPE_444YpCbCr10                        = LSMASH_4CC( 'v', '4', '1', '0' ),     /* Component Y'CbCr 10-bit 4:4:4 */
    QT_PIXEL_FORMAT_TYPE_420YpCbCr8_PLANAR                  = LSMASH_4CC( 'y', '4', '2', '0' ),     /* Planar Component Y'CbCr 8-bit 4:2:0 */
    QT_PIXEL_FORMAT_TYPE_420YpCbCr8_PLANAR_FULL_RANGE       = LSMASH_4CC( 'f', '4', '2', '0' ),     /* Planar Component Y'CbCr 8-bit 4:2:0, full range */
    QT_PIXEL_FORMAT_TYPE_422YpCbCr_4A_8_BIPLANAR            = LSMASH_4CC( 'a', '2', 'v', 'y' ),     /* First plane: Video-range Component Y'CbCr 8-bit 4:2:2, ordered Cb Y'0 Cr Y'1; second plane: alpha 8-bit 0-255 */
    QT_PIXEL_FORMAT_TYPE_420YpCbCr8_BIPLANAR_VIDEO_RANGE    = LSMASH_4CC( '4', '2', '0', 'v' ),     /* Bi-Planar Component Y'CbCr 8-bit 4:2:0, video-range (luma=[16,235] chroma=[16,240]) */
    QT_PIXEL_FORMAT_TYPE_420YpCbCr8_BIPLANAR_FULL_RANGE     = LSMASH_4CC( '4', '2', '0', 'f' ),     /* Bi-Planar Component Y'CbCr 8-bit 4:2:0, full-range (luma=[0,255] chroma=[1,255]) */
    QT_PIXEL_FORMAT_TYPE_422YpCbCr8_YUVS                    = LSMASH_4CC( 'y', 'u', 'v', 's' ),     /* Component Y'CbCr 8-bit 4:2:2, ordered Y'0 Cb Y'1 Cr */
    QT_PIXEL_FORMAT_TYPE_422YpCbCr8_FULL_RANGE              = LSMASH_4CC( 'y', 'u', 'v', 'f' ),     /* Component Y'CbCr 8-bit 4:2:2, full range, ordered Y'0 Cb Y'1 Cr */

    /* Developer specific FourCCs (from dispatch 20) */
    QT_PIXEL_FORMAT_TYPE_SOFTVOUT_SOFTCODEC                 = LSMASH_4CC( 's', 'o', 'f', 't' ),     /* Intermediary pixel format used by SoftVout and SoftCodec */
    QT_PIXEL_FORMAT_TYPE_VIEW_GRAPHICS                      = LSMASH_4CC( 'v', 'w', 'g', 'r' ),     /* Intermediary pixel format used by View Graphics */
    QT_PIXEL_FORMAT_TYPE_SGI                                = LSMASH_4CC( 'S', 'G', 'V', 'C' ),     /* Intermediary pixel format used by SGI */
} lsmash_qt_pixel_format;

typedef struct
{
    lsmash_qt_pixel_format pixel_format;    /* the native pixel format of an image */
} lsmash_qt_pixel_format_t;

/* Significant Bits Extension
 * mandatory extension for 'v216' (Uncompressed Y'CbCr, 10, 12, 14, or 16-bit-per-component 4:2:2) */
typedef struct
{
    uint8_t significantBits;    /* the number of significant bits per component */
} lsmash_qt_significant_bits_t;

/* QuickTime Audio CODEC tools */
typedef enum
{
    QT_AUDIO_COMPRESSION_ID_NOT_COMPRESSED            = 0,
    QT_AUDIO_COMPRESSION_ID_FIXED_COMPRESSION         = -1,
    QT_AUDIO_COMPRESSION_ID_VARIABLE_COMPRESSION      = -2,
    QT_AUDIO_COMPRESSION_ID_TWO_TO_ONE                = 1,
    QT_AUDIO_COMPRESSION_ID_EIGHT_TO_THREE            = 2,
    QT_AUDIO_COMPRESSION_ID_THREE_TO_ONE              = 3,
    QT_AUDIO_COMPRESSION_ID_SIX_TO_ONE                = 4,
    QT_AUDIO_COMPRESSION_ID_SIX_TO_ONE_PACKET_SIZE    = 8,
    QT_AUDIO_COMPRESSION_ID_THREE_TO_ONE_PACKET_SIZE  = 16,
} lsmash_qt_audio_compression_id;

typedef struct
{
    int16_t                        revision_level;      /* version of the CODEC */
    int32_t                        vendor;              /* whose CODEC */
    lsmash_qt_audio_compression_id compression_ID;
} lsmash_qt_audio_common_t;

/* Audio Channel Layout
 * This CODEC specific extension is for
 *   QuickTime Audio inside QuickTime file format
 *   and
 *   Apple Lossless Audio inside ISO Base Media file format.
 * When audio stream has 3 or more number of channels, this extension shall be present. */
typedef enum
{
    QT_CHANNEL_LABEL_UNKNOWN                = (signed)0xffffffff,   /* unknown or unspecified other use */
    QT_CHANNEL_LABEL_UNUSED                 = 0,                    /* channel is present, but has no intended use or destination */
    QT_CHANNEL_LABEL_USE_COORDINATES        = 100,                  /* channel is described by the coordinates fields. */

    QT_CHANNEL_LABEL_LEFT                   = 1,
    QT_CHANNEL_LABEL_RIGHT                  = 2,
    QT_CHANNEL_LABEL_CENTER                 = 3,
    QT_CHANNEL_LABEL_LFE_SCREEN             = 4,
    QT_CHANNEL_LABEL_LEFT_SURROUND          = 5,                    /* WAVE: "Back Left" */
    QT_CHANNEL_LABEL_RIGHT_SUROUND          = 6,                    /* WAVE: "Back Right" */
    QT_CHANNEL_LABEL_LEFT_CENTER            = 7,
    QT_CHANNEL_LABEL_RIGHT_CENTER           = 8,
    QT_CHANNEL_LABEL_CENTER_SURROUND        = 9,                    /* WAVE: "Back Center" or plain "Rear Surround" */
    QT_CHANNEL_LABEL_LEFT_SURROUND_DIRECT   = 10,                   /* WAVE: "Side Left" */
    QT_CHANNEL_LABEL_RIGHT_SURROUND_DIRECT  = 11,                   /* WAVE: "Side Right" */
    QT_CHANNEL_LABEL_TOP_CENTER_SURROUND    = 12,
    QT_CHANNEL_LABEL_VERTICAL_HEIGHT_LEFT   = 13,                   /* WAVE: "Top Front Left" */
    QT_CHANNEL_LABEL_VERTICAL_HEIGHT_CENTER = 14,                   /* WAVE: "Top Front Center" */
    QT_CHANNEL_LABEL_VERTICAL_HEIGHT_RIGHT  = 15,                   /* WAVE: "Top Front Right" */

    QT_CHANNEL_LABEL_TOP_BACK_LEFT          = 16,
    QT_CHANNEL_LABEL_TOP_BACK_CENTER        = 17,
    QT_CHANNEL_LABEL_TOP_BACK_RIGHT         = 18,

    QT_CHANNEL_LABEL_REAR_SURROUND_LEFT     = 33,
    QT_CHANNEL_LABEL_REAR_SURROUND_RIGHT    = 34,
    QT_CHANNEL_LABEL_LEFT_WIDE              = 35,
    QT_CHANNEL_LABEL_RIGHT_WIDE             = 36,
    QT_CHANNEL_LABEL_LFE2                   = 37,
    QT_CHANNEL_LABEL_LEFT_TOTAL             = 38,                   /* matrix encoded 4 channels */
    QT_CHANNEL_LABEL_RIGHT_TOTAL            = 39,                   /* matrix encoded 4 channels */
    QT_CHANNEL_LABEL_HEARING_IMPAIRED       = 40,
    QT_CHANNEL_LABEL_NARRATION              = 41,
    QT_CHANNEL_LABEL_MONO                   = 42,
    QT_CHANNEL_LABEL_DIALOG_CENTRIC_MIX     = 43,

    QT_CHANNEL_LABEL_CENTER_SURROUND_DIRECT = 44,                   /* back center, non diffuse */

    QT_CHANNEL_LABEL_HAPTIC                 = 45,

    /* first order ambisonic channels */
    QT_CHANNEL_LABEL_AMBISONIC_W            = 200,
    QT_CHANNEL_LABEL_AMBISONIC_X            = 201,
    QT_CHANNEL_LABEL_AMBISONIC_Y            = 202,
    QT_CHANNEL_LABEL_AMBISONIC_Z            = 203,

    /* Mid/Side Recording */
    QT_CHANNEL_LABEL_MS_MID                 = 204,
    QT_CHANNEL_LABEL_MS_SIDE                = 205,

    /* X-Y Recording */
    QT_CHANNEL_LABEL_XY_X                   = 206,
    QT_CHANNEL_LABEL_XY_Y                   = 207,

    /* other */
    QT_CHANNEL_LABEL_HEADPHONES_LEFT        = 301,
    QT_CHANNEL_LABEL_HEADPHONES_RIGHT       = 302,
    QT_CHANNEL_LABEL_CLICK_TRACK            = 304,
    QT_CHANNEL_LABEL_FOREIGN_LANGUAGE       = 305,

    /* generic discrete channel */
    QT_CHANNEL_LABEL_DISCRETE               = 400,

    /* numbered discrete channel */
    QT_CHANNEL_LABEL_DISCRETE_0             = (1<<16),
    QT_CHANNEL_LABEL_DISCRETE_1             = (1<<16) | 1,
    QT_CHANNEL_LABEL_DISCRETE_2             = (1<<16) | 2,
    QT_CHANNEL_LABEL_DISCRETE_3             = (1<<16) | 3,
    QT_CHANNEL_LABEL_DISCRETE_4             = (1<<16) | 4,
    QT_CHANNEL_LABEL_DISCRETE_5             = (1<<16) | 5,
    QT_CHANNEL_LABEL_DISCRETE_6             = (1<<16) | 6,
    QT_CHANNEL_LABEL_DISCRETE_7             = (1<<16) | 7,
    QT_CHANNEL_LABEL_DISCRETE_8             = (1<<16) | 8,
    QT_CHANNEL_LABEL_DISCRETE_9             = (1<<16) | 9,
    QT_CHANNEL_LABEL_DISCRETE_10            = (1<<16) | 10,
    QT_CHANNEL_LABEL_DISCRETE_11            = (1<<16) | 11,
    QT_CHANNEL_LABEL_DISCRETE_12            = (1<<16) | 12,
    QT_CHANNEL_LABEL_DISCRETE_13            = (1<<16) | 13,
    QT_CHANNEL_LABEL_DISCRETE_14            = (1<<16) | 14,
    QT_CHANNEL_LABEL_DISCRETE_15            = (1<<16) | 15,
    QT_CHANNEL_LABEL_DISCRETE_65535         = (1<<16) | 65535,
} lsmash_channel_label;

typedef enum
{
    QT_CHANNEL_BIT_LEFT                   = 1,
    QT_CHANNEL_BIT_RIGHT                  = 1<<1,
    QT_CHANNEL_BIT_CENTER                 = 1<<2,
    QT_CHANNEL_BIT_LFE_SCREEN             = 1<<3,
    QT_CHANNEL_BIT_LEFT_SURROUND          = 1<<4,       /* WAVE: "Back Left" */
    QT_CHANNEL_BIT_RIGHT_SURROUND         = 1<<5,       /* WAVE: "Back Right" */
    QT_CHANNEL_BIT_LEFT_CENTER            = 1<<6,
    QT_CHANNEL_BIT_RIGHT_CENTER           = 1<<7,
    QT_CHANNEL_BIT_CENTER_SURROUND        = 1<<8,       /* WAVE: "Back Center" */
    QT_CHANNEL_BIT_LEFT_SURROUND_DIRECT   = 1<<9,       /* WAVE: "Side Left" */
    QT_CHANNEL_BIT_RIGHT_SURROUND_DIRECT  = 1<<10,      /* WAVE: "Side Right" */
    QT_CHANNEL_BIT_TOP_CENTER_SURROUND    = 1<<11,
    QT_CHANNEL_BIT_VERTICAL_HEIGHT_LEFT   = 1<<12,      /* WAVE: "Top Front Left" */
    QT_CHANNEL_BIT_VERTICAL_HEIGHT_CENTER = 1<<13,      /* WAVE: "Top Front Center" */
    QT_CHANNEL_BIT_VERTICAL_HEIGHT_RIGHT  = 1<<14,      /* WAVE: "Top Front Right" */
    QT_CHANNEL_BIT_TOP_BACK_LEFT          = 1<<15,
    QT_CHANNEL_BIT_TOP_BACK_CENTER        = 1<<16,
    QT_CHANNEL_BIT_TOP_BACK_RIGHT         = 1<<17,
    QT_CHANNEL_BIT_FULL                   = 0x3ffff,
} lsmash_channel_bitmap;

typedef enum
{
    QT_CHANNEL_FLAGS_ALL_OFF                 = 0,
    QT_CHANNEL_FLAGS_RECTANGULAR_COORDINATES = 1,
    QT_CHANNEL_FLAGS_SPHERICAL_COORDINATES   = 1<<1,
    QT_CHANNEL_FLAGS_METERS                  = 1<<2,
} lsmash_channel_flags;

typedef enum
{
    /* indices for accessing the coordinates array in Channel Descriptions */
    /* for rectangulare coordinates */
    QT_CHANNEL_COORDINATES_LEFT_RIGHT = 0,      /* Negative is left and positive is right. */
    QT_CHANNEL_COORDINATES_BACK_FRONT = 1,      /* Negative is back and positive is front. */
    QT_CHANNEL_COORDINATES_DOWN_UP    = 2,      /* Negative is below ground level, 0 is ground level, and positive is above ground level. */
    /* for spherical coordinates */
    QT_CHANNEL_COORDINATES_AZIMUTH    = 0,      /* 0 is front center, positive is right, negative is left. This is measured in degrees. */
    QT_CHANNEL_COORDINATES_ELEVATION  = 1,      /* +90 is zenith, 0 is horizontal, -90 is nadir. This is measured in degrees. */
    QT_CHANNEL_COORDINATES_DISTANCE   = 2,      /* The units are described by flags. */
} lsmash_channel_coordinates_index;

typedef enum
{
    /* channel abbreviations:
     * L - left
     * R - right
     * C - center
     * Ls - left surround
     * Rs - right surround
     * Cs - center surround
     * Rls - rear left surround
     * Rrs - rear right surround
     * Lw - left wide
     * Rw - right wide
     * Lsd - left surround direct
     * Rsd - right surround direct
     * Lc - left center
     * Rc - right center
     * Ts - top surround
     * Vhl - vertical height left
     * Vhc - vertical height center
     * Vhr - vertical height right
     * Lt - left matrix total. for matrix encoded stereo.
     * Rt - right matrix total. for matrix encoded stereo. */

    /*  General layouts */
    QT_CHANNEL_LAYOUT_USE_CHANNEL_DESCRIPTIONS = 0,                 /* use the array of Channel Descriptions to define the mapping. */
    QT_CHANNEL_LAYOUT_USE_CHANNEL_BITMAP       = 1<<16,             /* use the bitmap to define the mapping. */

    QT_CHANNEL_LAYOUT_MONO                     = (100<<16) | 1,     /* a standard mono stream */
    QT_CHANNEL_LAYOUT_STEREO                   = (101<<16) | 2,     /* a standard stereo stream (L R) - implied playback */
    QT_CHANNEL_LAYOUT_STEREO_HEADPHONES        = (102<<16) | 2,     /* a standard stereo stream (L R) - implied headphone playback */
    QT_CHANNEL_LAYOUT_MATRIX_STEREO            = (103<<16) | 2,     /* a matrix encoded stereo stream (Lt, Rt) */
    QT_CHANNEL_LAYOUT_MID_SIDE                 = (104<<16) | 2,     /* mid/side recording */
    QT_CHANNEL_LAYOUT_XY                       = (105<<16) | 2,     /* coincident mic pair (often 2 figure 8's) */
    QT_CHANNEL_LAYOUT_BINAURAL                 = (106<<16) | 2,     /* binaural stereo (left, right) */
    QT_CHANNEL_LAYOUT_AMBISONIC_B_FORMAT       = (107<<16) | 4,     /* W, X, Y, Z */

    QT_CHANNEL_LAYOUT_QUADRAPHONIC             = (108<<16) | 4,     /* front left, front right, back left, back right */

    QT_CHANNEL_LAYOUT_PENTAGONAL               = (109<<16) | 5,     /* left, right, rear left, rear right, center */

    QT_CHANNEL_LAYOUT_HEXAGONAL                = (110<<16) | 6,     /* left, right, rear left, rear right, center, rear */

    QT_CHANNEL_LAYOUT_OCTAGONAL                = (111<<16) | 8,     /* front left, front right, rear left, rear right,
                                                                     * front center, rear center, side left, side right */

    QT_CHANNEL_LAYOUT_CUBE                     = (112<<16) | 8,     /* left, right, rear left, rear right,
                                                                     * top left, top right, top rear left, top rear right */

    /*  MPEG defined layouts */
    QT_CHANNEL_LAYOUT_MPEG_1_0                 = QT_CHANNEL_LAYOUT_MONO,            /* C */
    QT_CHANNEL_LAYOUT_MPEG_2_0                 = QT_CHANNEL_LAYOUT_STEREO,          /* L R */
    QT_CHANNEL_LAYOUT_MPEG_3_0_A               = (113<<16) | 3,                     /* L R C */
    QT_CHANNEL_LAYOUT_MPEG_3_0_B               = (114<<16) | 3,                     /* C L R */
    QT_CHANNEL_LAYOUT_MPEG_4_0_A               = (115<<16) | 4,                     /* L R C Cs */
    QT_CHANNEL_LAYOUT_MPEG_4_0_B               = (116<<16) | 4,                     /* C L R Cs */
    QT_CHANNEL_LAYOUT_MPEG_5_0_A               = (117<<16) | 5,                     /* L R C Ls Rs */
    QT_CHANNEL_LAYOUT_MPEG_5_0_B               = (118<<16) | 5,                     /* L R Ls Rs C */
    QT_CHANNEL_LAYOUT_MPEG_5_0_C               = (119<<16) | 5,                     /* L C R Ls Rs */
    QT_CHANNEL_LAYOUT_MPEG_5_0_D               = (120<<16) | 5,                     /* C L R Ls Rs */
    QT_CHANNEL_LAYOUT_MPEG_5_1_A               = (121<<16) | 6,                     /* L R C LFE Ls Rs */
    QT_CHANNEL_LAYOUT_MPEG_5_1_B               = (122<<16) | 6,                     /* L R Ls Rs C LFE */
    QT_CHANNEL_LAYOUT_MPEG_5_1_C               = (123<<16) | 6,                     /* L C R Ls Rs LFE */
    QT_CHANNEL_LAYOUT_MPEG_5_1_D               = (124<<16) | 6,                     /* C L R Ls Rs LFE */
    QT_CHANNEL_LAYOUT_MPEG_6_1_A               = (125<<16) | 7,                     /* L R C LFE Ls Rs Cs */
    QT_CHANNEL_LAYOUT_MPEG_7_1_A               = (126<<16) | 8,                     /* L R C LFE Ls Rs Lc Rc */
    QT_CHANNEL_LAYOUT_MPEG_7_1_B               = (127<<16) | 8,                     /* C Lc Rc L R Ls Rs LFE (doc: IS-13818-7 MPEG2-AAC Table 3.1) */
    QT_CHANNEL_LAYOUT_MPEG_7_1_C               = (128<<16) | 8,                     /* L R C LFE Ls Rs Rls Rrs */
    QT_CHANNEL_LAYOUT_EMAGIC_DEFAULT_7_1       = (129<<16) | 8,                     /* L R Ls Rs C LFE Lc Rc */
    QT_CHANNEL_LAYOUT_SMPTE_DTV                = (130<<16) | 8,                     /* L R C LFE Ls Rs Lt Rt */

    /*  ITU defined layouts */
    QT_CHANNEL_LAYOUT_ITU_1_0                  = QT_CHANNEL_LAYOUT_MONO,            /* C */
    QT_CHANNEL_LAYOUT_ITU_2_0                  = QT_CHANNEL_LAYOUT_STEREO,          /* L R */

    QT_CHANNEL_LAYOUT_ITU_2_1                  = (131<<16) | 3,                     /* L R Cs */
    QT_CHANNEL_LAYOUT_ITU_2_2                  = (132<<16) | 4,                     /* L R Ls Rs */
    QT_CHANNEL_LAYOUT_ITU_3_0                  = QT_CHANNEL_LAYOUT_MPEG_3_0_A,      /* L R C */
    QT_CHANNEL_LAYOUT_ITU_3_1                  = QT_CHANNEL_LAYOUT_MPEG_4_0_A,      /* L R C Cs */

    QT_CHANNEL_LAYOUT_ITU_3_2                  = QT_CHANNEL_LAYOUT_MPEG_5_0_A,      /* L R C Ls Rs */
    QT_CHANNEL_LAYOUT_ITU_3_2_1                = QT_CHANNEL_LAYOUT_MPEG_5_1_A,      /* L R C LFE Ls Rs */
    QT_CHANNEL_LAYOUT_ITU_3_4_1                = QT_CHANNEL_LAYOUT_MPEG_7_1_C,      /* L R C LFE Ls Rs Rls Rrs */

    /* DVD defined layouts */
    QT_CHANNEL_LAYOUT_DVD_0                    = QT_CHANNEL_LAYOUT_MONO,            /* C (mono) */
    QT_CHANNEL_LAYOUT_DVD_1                    = QT_CHANNEL_LAYOUT_STEREO,          /* L R */
    QT_CHANNEL_LAYOUT_DVD_2                    = QT_CHANNEL_LAYOUT_ITU_2_1,         /* L R Cs */
    QT_CHANNEL_LAYOUT_DVD_3                    = QT_CHANNEL_LAYOUT_ITU_2_2,         /* L R Ls Rs */
    QT_CHANNEL_LAYOUT_DVD_4                    = (133<<16) | 3,                     /* L R LFE */
    QT_CHANNEL_LAYOUT_DVD_5                    = (134<<16) | 4,                     /* L R LFE Cs */
    QT_CHANNEL_LAYOUT_DVD_6                    = (135<<16) | 5,                     /* L R LFE Ls Rs */
    QT_CHANNEL_LAYOUT_DVD_7                    = QT_CHANNEL_LAYOUT_MPEG_3_0_A,      /* L R C */
    QT_CHANNEL_LAYOUT_DVD_8                    = QT_CHANNEL_LAYOUT_MPEG_4_0_A,      /* L R C Cs */
    QT_CHANNEL_LAYOUT_DVD_9                    = QT_CHANNEL_LAYOUT_MPEG_5_0_A,      /* L R C Ls Rs */
    QT_CHANNEL_LAYOUT_DVD_10                   = (136<<16) | 4,                     /* L R C LFE */
    QT_CHANNEL_LAYOUT_DVD_11                   = (137<<16) | 5,                     /* L R C LFE Cs */
    QT_CHANNEL_LAYOUT_DVD_12                   = QT_CHANNEL_LAYOUT_MPEG_5_1_A,      /* L R C LFE Ls Rs */
    /* 13 through 17 are duplicates of 8 through 12. */
    QT_CHANNEL_LAYOUT_DVD_13                   = QT_CHANNEL_LAYOUT_DVD_8,           /* L R C Cs */
    QT_CHANNEL_LAYOUT_DVD_14                   = QT_CHANNEL_LAYOUT_DVD_9,           /* L R C Ls Rs */
    QT_CHANNEL_LAYOUT_DVD_15                   = QT_CHANNEL_LAYOUT_DVD_10,          /* L R C LFE */
    QT_CHANNEL_LAYOUT_DVD_16                   = QT_CHANNEL_LAYOUT_DVD_11,          /* L R C LFE Cs */
    QT_CHANNEL_LAYOUT_DVD_17                   = QT_CHANNEL_LAYOUT_DVD_12,          /* L R C LFE Ls Rs */
    QT_CHANNEL_LAYOUT_DVD_18                   = (138<<16) | 5,                     /* L R Ls Rs LFE */
    QT_CHANNEL_LAYOUT_DVD_19                   = QT_CHANNEL_LAYOUT_MPEG_5_0_B,      /* L R Ls Rs C */
    QT_CHANNEL_LAYOUT_DVD_20                   = QT_CHANNEL_LAYOUT_MPEG_5_1_B,      /* L R Ls Rs C LFE */

    /* These are the symmetrical layouts. */
    QT_CHANNEL_LAYOUT_AUDIO_UNIT_4             = QT_CHANNEL_LAYOUT_QUADRAPHONIC,
    QT_CHANNEL_LAYOUT_AUDIO_UNIT_5             = QT_CHANNEL_LAYOUT_PENTAGONAL,
    QT_CHANNEL_LAYOUT_AUDIO_UNIT_6             = QT_CHANNEL_LAYOUT_HEXAGONAL,
    QT_CHANNEL_LAYOUT_AUDIO_UNIT_8             = QT_CHANNEL_LAYOUT_OCTAGONAL,
    /* These are the surround-based layouts. */
    QT_CHANNEL_LAYOUT_AUDIO_UNIT_5_0           = QT_CHANNEL_LAYOUT_MPEG_5_0_B,      /* L R Ls Rs C */
    QT_CHANNEL_LAYOUT_AUDIO_UNIT_6_0           = (139<<16) | 6,                     /* L R Ls Rs C Cs */
    QT_CHANNEL_LAYOUT_AUDIO_UNIT_7_0           = (140<<16) | 7,                     /* L R Ls Rs C Rls Rrs */
    QT_CHANNEL_LAYOUT_AUDIO_UNIT_7_0_FRONT     = (148<<16) | 7,                     /* L R Ls Rs C Lc Rc */
    QT_CHANNEL_LAYOUT_AUDIO_UNIT_5_1           = QT_CHANNEL_LAYOUT_MPEG_5_1_A,      /* L R C LFE Ls Rs */
    QT_CHANNEL_LAYOUT_AUDIO_UNIT_6_1           = QT_CHANNEL_LAYOUT_MPEG_6_1_A,      /* L R C LFE Ls Rs Cs */
    QT_CHANNEL_LAYOUT_AUDIO_UNIT_7_1           = QT_CHANNEL_LAYOUT_MPEG_7_1_C,      /* L R C LFE Ls Rs Rls Rrs */
    QT_CHANNEL_LAYOUT_AUDIO_UNIT_7_1_FRONT     = QT_CHANNEL_LAYOUT_MPEG_7_1_A,      /* L R C LFE Ls Rs Lc Rc */

    QT_CHANNEL_LAYOUT_AAC_3_0                  = QT_CHANNEL_LAYOUT_MPEG_3_0_B,      /* C L R */
    QT_CHANNEL_LAYOUT_AAC_QUADRAPHONIC         = QT_CHANNEL_LAYOUT_QUADRAPHONIC,    /* L R Ls Rs */
    QT_CHANNEL_LAYOUT_AAC_4_0                  = QT_CHANNEL_LAYOUT_MPEG_4_0_B,      /* C L R Cs */
    QT_CHANNEL_LAYOUT_AAC_5_0                  = QT_CHANNEL_LAYOUT_MPEG_5_0_D,      /* C L R Ls Rs */
    QT_CHANNEL_LAYOUT_AAC_5_1                  = QT_CHANNEL_LAYOUT_MPEG_5_1_D,      /* C L R Ls Rs LFE */
    QT_CHANNEL_LAYOUT_AAC_6_0                  = (141<<16) | 6,                     /* C L R Ls Rs Cs */
    QT_CHANNEL_LAYOUT_AAC_6_1                  = (142<<16) | 7,                     /* C L R Ls Rs Cs LFE */
    QT_CHANNEL_LAYOUT_AAC_7_0                  = (143<<16) | 7,                     /* C L R Ls Rs Rls Rrs */
    QT_CHANNEL_LAYOUT_AAC_7_1                  = QT_CHANNEL_LAYOUT_MPEG_7_1_B,      /* C Lc Rc L R Ls Rs LFE */
    QT_CHANNEL_LAYOUT_AAC_OCTAGONAL            = (144<<16) | 8,                     /* C L R Ls Rs Rls Rrs Cs */

    QT_CHANNEL_LAYOUT_TMH_10_2_STD             = (145<<16) | 16,                    /* L R C Vhc Lsd Rsd Ls Rs Vhl Vhr Lw Rw Csd Cs LFE1 LFE2 */
    QT_CHANNEL_LAYOUT_TMH_10_2_FULL            = (146<<16) | 21,                    /* TMH_10_2_std plus: Lc Rc HI VI Haptic */

    QT_CHANNEL_LAYOUT_AC3_1_0_1                = (149<<16) | 2,                     /* C LFE */
    QT_CHANNEL_LAYOUT_AC3_3_0                  = (150<<16) | 3,                     /* L C R */
    QT_CHANNEL_LAYOUT_AC3_3_1                  = (151<<16) | 4,                     /* L C R Cs */
    QT_CHANNEL_LAYOUT_AC3_3_0_1                = (152<<16) | 4,                     /* L C R LFE */
    QT_CHANNEL_LAYOUT_AC3_2_1_1                = (153<<16) | 4,                     /* L R Cs LFE */
    QT_CHANNEL_LAYOUT_AC3_3_1_1                = (154<<16) | 5,                     /* L C R Cs LFE */

    QT_CHANNEL_LAYOUT_EAC_6_0_A                = (155<<16) | 6,                     /* L C R Ls Rs Cs */
    QT_CHANNEL_LAYOUT_EAC_7_0_A                = (156<<16) | 7,                     /* L C R Ls Rs Rls Rrs */

    QT_CHANNEL_LAYOUT_EAC3_6_1_A               = (157<<16) | 7,                     /* L C R Ls Rs LFE Cs */
    QT_CHANNEL_LAYOUT_EAC3_6_1_B               = (158<<16) | 7,                     /* L C R Ls Rs LFE Ts */
    QT_CHANNEL_LAYOUT_EAC3_6_1_C               = (159<<16) | 7,                     /* L C R Ls Rs LFE Vhc */
    QT_CHANNEL_LAYOUT_EAC3_7_1_A               = (160<<16) | 8,                     /* L C R Ls Rs LFE Rls Rrs */
    QT_CHANNEL_LAYOUT_EAC3_7_1_B               = (161<<16) | 8,                     /* L C R Ls Rs LFE Lc Rc */
    QT_CHANNEL_LAYOUT_EAC3_7_1_C               = (162<<16) | 8,                     /* L C R Ls Rs LFE Lsd Rsd */
    QT_CHANNEL_LAYOUT_EAC3_7_1_D               = (163<<16) | 8,                     /* L C R Ls Rs LFE Lw Rw */
    QT_CHANNEL_LAYOUT_EAC3_7_1_E               = (164<<16) | 8,                     /* L C R Ls Rs LFE Vhl Vhr */

    QT_CHANNEL_LAYOUT_EAC3_7_1_F               = (165<<16) | 8,                     /* L C R Ls Rs LFE Cs Ts */
    QT_CHANNEL_LAYOUT_EAC3_7_1_G               = (166<<16) | 8,                     /* L C R Ls Rs LFE Cs Vhc */
    QT_CHANNEL_LAYOUT_EAC3_7_1_H               = (167<<16) | 8,                     /* L C R Ls Rs LFE Ts Vhc */

    QT_CHANNEL_LAYOUT_DTS_3_1                  = (168<<16) | 4,                     /* C L R LFE */
    QT_CHANNEL_LAYOUT_DTS_4_1                  = (169<<16) | 5,                     /* C L R Cs LFE */
    QT_CHANNEL_LAYOUT_DTS_6_0_A                = (170<<16) | 6,                     /* Lc Rc L R Ls Rs */
    QT_CHANNEL_LAYOUT_DTS_6_0_B                = (171<<16) | 6,                     /* C L R Rls Rrs Ts */
    QT_CHANNEL_LAYOUT_DTS_6_0_C                = (172<<16) | 6,                     /* C Cs L R Rls Rrs */
    QT_CHANNEL_LAYOUT_DTS_6_1_A                = (173<<16) | 7,                     /* Lc Rc L R Ls Rs LFE */
    QT_CHANNEL_LAYOUT_DTS_6_1_B                = (174<<16) | 7,                     /* C L R Rls Rrs Ts LFE */
    QT_CHANNEL_LAYOUT_DTS_6_1_C                = (175<<16) | 7,                     /* C Cs L R Rls Rrs LFE */
    QT_CHANNEL_LAYOUT_DTS_7_0                  = (176<<16) | 7,                     /* Lc C Rc L R Ls Rs */
    QT_CHANNEL_LAYOUT_DTS_7_1                  = (177<<16) | 8,                     /* Lc C Rc L R Ls Rs LFE */
    QT_CHANNEL_LAYOUT_DTS_8_0_A                = (178<<16) | 8,                     /* Lc Rc L R Ls Rs Rls Rrs */
    QT_CHANNEL_LAYOUT_DTS_8_0_B                = (179<<16) | 8,                     /* Lc C Rc L R Ls Cs Rs */
    QT_CHANNEL_LAYOUT_DTS_8_1_A                = (180<<16) | 9,                     /* Lc Rc L R Ls Rs Rls Rrs LFE */
    QT_CHANNEL_LAYOUT_DTS_8_1_B                = (181<<16) | 9,                     /* Lc C Rc L R Ls Cs Rs LFE */
    QT_CHANNEL_LAYOUT_DTS_6_1_D                = (182<<16) | 7,                     /* C L R Ls Rs LFE Cs */

    QT_CHANNEL_LAYOUT_ALAC_MONO                = QT_CHANNEL_LAYOUT_MONO,            /* C */
    QT_CHANNEL_LAYOUT_ALAC_STEREO              = QT_CHANNEL_LAYOUT_STEREO,          /* L R */
    QT_CHANNEL_LAYOUT_ALAC_3_0                 = QT_CHANNEL_LAYOUT_MPEG_3_0_B,      /* C L R */
    QT_CHANNEL_LAYOUT_ALAC_4_0                 = QT_CHANNEL_LAYOUT_MPEG_4_0_B,      /* C L R Cs */
    QT_CHANNEL_LAYOUT_ALAC_5_0                 = QT_CHANNEL_LAYOUT_MPEG_5_0_D,      /* C L R Ls Rs */
    QT_CHANNEL_LAYOUT_ALAC_5_1                 = QT_CHANNEL_LAYOUT_MPEG_5_1_D,      /* C L R Ls Rs LFE */
    QT_CHANNEL_LAYOUT_ALAC_6_1                 = QT_CHANNEL_LAYOUT_AAC_6_1,         /* C L R Ls Rs Cs LFE */
    QT_CHANNEL_LAYOUT_ALAC_7_1                 = QT_CHANNEL_LAYOUT_MPEG_7_1_B,      /* C Lc Rc L R Ls Rs LFE */

    QT_CHANNEL_LAYOUT_DISCRETE_IN_ORDER        = 147<<16,                           /* needs to be ORed with the actual number of channels */
    QT_CHANNEL_LAYOUT_UNKNOWN                  = (signed)0xffff0000,                /* needs to be ORed with the actual number of channels */
} lsmash_channel_layout_tag;

typedef struct
{
    lsmash_channel_layout_tag channelLayoutTag;     /* channel layout */
    lsmash_channel_bitmap     channelBitmap;        /* Only available when layout_tag is set to QT_CHANNEL_LAYOUT_USE_CHANNEL_BITMAP. */
} lsmash_qt_audio_channel_layout_t;

/* QuickTime Audio Format Specific Flags
 * Some values are ignored i.e. as if treated as unspecified when you specify certain CODECs.
 * For instance, you specify QT_CODEC_TYPE_SOWT_AUDIO, then all these values are ignored.
 * These values are basically used for QT_CODEC_TYPE_LPCM_AUDIO.
 * The endiannes value can be used for QT_CODEC_TYPE_FL32_AUDIO, QT_CODEC_TYPE_FL64_AUDIO, QT_CODEC_TYPE_IN24_AUDIO and QT_CODEC_TYPE_IN32_AUDIO. */
typedef enum
{
    QT_AUDIO_FORMAT_FLAG_FLOAT            = 1,      /* Set for floating point, clear for integer. */
    QT_AUDIO_FORMAT_FLAG_BIG_ENDIAN       = 1<<1,   /* Set for big endian, clear for little endian. */
    QT_AUDIO_FORMAT_FLAG_SIGNED_INTEGER   = 1<<2,   /* Set for signed integer, clear for unsigned integer.
                                                     * This is only valid if QT_AUDIO_FORMAT_FLAG_FLOAT is clear. */
    QT_AUDIO_FORMAT_FLAG_PACKED           = 1<<3,   /* Set if the sample bits occupy the entire available bits for the channel,
                                                     * clear if they are high or low aligned within the channel. */
    QT_AUDIO_FORMAT_FLAG_ALIGNED_HIGH     = 1<<4,   /* Set if the sample bits are placed into the high bits of the channel, clear for low bit placement.
                                                     * This is only valid if QT_AUDIO_FORMAT_FLAG_PACKED is clear. */
    QT_AUDIO_FORMAT_FLAG_NON_INTERLEAVED  = 1<<5,   /* Set if the samples for each channel are located contiguously and the channels are layed out end to end,
                                                     * clear if the samples for each frame are layed out contiguously and the frames layed out end to end. */
    QT_AUDIO_FORMAT_FLAG_NON_MIXABLE      = 1<<6,   /* Set to indicate when a format is non-mixable.
                                                     * Note that this flag is only used when interacting with the HAL's stream format information.
                                                     * It is not a valid flag for any other uses. */
    QT_AUDIO_FORMAT_FLAG_ALL_CLEAR        = 1<<31,  /* Set if all the flags would be clear in order to preserve 0 as the wild card value. */

    QT_LPCM_FORMAT_FLAG_FLOAT             = QT_AUDIO_FORMAT_FLAG_FLOAT,
    QT_LPCM_FORMAT_FLAG_BIG_ENDIAN        = QT_AUDIO_FORMAT_FLAG_BIG_ENDIAN,
    QT_LPCM_FORMAT_FLAG_SIGNED_INTEGER    = QT_AUDIO_FORMAT_FLAG_SIGNED_INTEGER,
    QT_LPCM_FORMAT_FLAG_PACKED            = QT_AUDIO_FORMAT_FLAG_PACKED,
    QT_LPCM_FORMAT_FLAG_ALIGNED_HIGH      = QT_AUDIO_FORMAT_FLAG_ALIGNED_HIGH,
    QT_LPCM_FORMAT_FLAG_NON_INTERLEAVED   = QT_AUDIO_FORMAT_FLAG_NON_INTERLEAVED,
    QT_LPCM_FORMAT_FLAG_NON_MIXABLE       = QT_AUDIO_FORMAT_FLAG_NON_MIXABLE,
    QT_LPCM_FORMAT_FLAG_ALL_CLEAR         = QT_AUDIO_FORMAT_FLAG_ALL_CLEAR,

    /* These flags are set for Apple Lossless data that was sourced from N bit native endian signed integer data. */
    QT_ALAC_FORMAT_FLAG_16BIT_SOURCE_DATA = 1,
    QT_ALAC_FORMAT_FLAG_20BIT_SOURCE_DATA = 2,
    QT_ALAC_FORMAT_FLAG_24BIT_SOURCE_DATA = 3,
    QT_ALAC_FORMAT_FLAG_32BIT_SOURCE_DATA = 4,
} lsmash_qt_audio_format_specific_flag;

typedef struct
{
    lsmash_qt_audio_format_specific_flag format_flags;
} lsmash_qt_audio_format_specific_flags_t;

/* Global Header
 * Ut Video inside QuickTime file format requires this extension for storing CODEC specific information. */
typedef struct
{
    uint32_t header_size;
    uint8_t *header_data;
} lsmash_codec_global_header_t;

/****************************************************************************
 * iTunes Metadata
 ****************************************************************************/
typedef enum
{
    /* UTF String type */
    ITUNES_METADATA_ITEM_ALBUM_NAME                 = LSMASH_4CC( 0xA9, 'a', 'l', 'b' ),    /* Album Name */
    ITUNES_METADATA_ITEM_ARTIST                     = LSMASH_4CC( 0xA9, 'A', 'R', 'T' ),    /* Artist */
    ITUNES_METADATA_ITEM_USER_COMMENT               = LSMASH_4CC( 0xA9, 'c', 'm', 't' ),    /* User Comment */
    ITUNES_METADATA_ITEM_RELEASE_DATE               = LSMASH_4CC( 0xA9, 'd', 'a', 'y' ),    /* YYYY-MM-DD format string (may be incomplete, i.e. only year) */
    ITUNES_METADATA_ITEM_ENCODED_BY                 = LSMASH_4CC( 0xA9, 'e', 'n', 'c' ),    /* Person or company that encoded the recording */
    ITUNES_METADATA_ITEM_USER_GENRE                 = LSMASH_4CC( 0xA9, 'g', 'e', 'n' ),    /* User Genre user-specified string */
    ITUNES_METADATA_ITEM_GROUPING                   = LSMASH_4CC( 0xA9, 'g', 'r', 'p' ),    /* Grouping */
    ITUNES_METADATA_ITEM_LYRICS                     = LSMASH_4CC( 0xA9, 'l', 'y', 'r' ),    /* Lyrics */
    ITUNES_METADATA_ITEM_TITLE                      = LSMASH_4CC( 0xA9, 'n', 'a', 'm' ),    /* Title / Song Name */
    ITUNES_METADATA_ITEM_TRACK_SUBTITLE             = LSMASH_4CC( 0xA9, 's', 't', '3' ),    /* Track Sub-Title */
    ITUNES_METADATA_ITEM_ENCODING_TOOL              = LSMASH_4CC( 0xA9, 't', 'o', 'o' ),    /* Software which encoded the recording */
    ITUNES_METADATA_ITEM_COMPOSER                   = LSMASH_4CC( 0xA9, 'w', 'r', 't' ),    /* Composer */
    ITUNES_METADATA_ITEM_ALBUM_ARTIST               = LSMASH_4CC( 'a', 'A', 'R', 'T' ),     /* Artist for the whole album (if different than the individual tracks) */
    ITUNES_METADATA_ITEM_PODCAST_CATEGORY           = LSMASH_4CC( 'c', 'a', 't', 'g' ),     /* Podcast Category */
    ITUNES_METADATA_ITEM_COPYRIGHT                  = LSMASH_4CC( 'c', 'p', 'r', 't' ),     /* Copyright */
    ITUNES_METADATA_ITEM_DESCRIPTION                = LSMASH_4CC( 'd', 'e', 's', 'c' ),     /* Description (limited to 255 bytes) */
    ITUNES_METADATA_ITEM_GROUPING_DRAFT             = LSMASH_4CC( 'g', 'r', 'u', 'p' ),     /* Grouping
                                                                                             * Note: This identifier is defined in
                                                                                             *       iTunes Metadata Format Specification (Preliminary draft),
                                                                                             *       but not used by iTunes actually it seems.
                                                                                             *       We recommend you use ITUNES_METADATA_ITEM_GROUPING instead of this. */
    ITUNES_METADATA_ITEM_PODCAST_KEYWORD            = LSMASH_4CC( 'k', 'e', 'y', 'w' ),     /* Podcast Keywords */
    ITUNES_METADATA_ITEM_LONG_DESCRIPTION           = LSMASH_4CC( 'l', 'd', 'e', 's' ),     /* Long Description */
    ITUNES_METADATA_ITEM_PURCHASE_DATE              = LSMASH_4CC( 'p', 'u', 'r', 'd' ),     /* Purchase Date */
    ITUNES_METADATA_ITEM_TV_EPISODE_ID              = LSMASH_4CC( 't', 'v', 'e', 'n' ),     /* TV Episode ID */
    ITUNES_METADATA_ITEM_TV_NETWORK                 = LSMASH_4CC( 't', 'v', 'n', 'n' ),     /* TV Network Name */
    ITUNES_METADATA_ITEM_TV_SHOW_NAME               = LSMASH_4CC( 't', 'v', 's', 'h' ),     /* TV Show Name */
    ITUNES_METADATA_ITEM_ITUNES_PURCHASE_ACCOUNT_ID = LSMASH_4CC( 'a', 'p', 'I', 'D' ),     /* iTunes Account Used for Purchase */
    ITUNES_METADATA_ITEM_ITUNES_SORT_ALBUM          = LSMASH_4CC( 's', 'o', 'a', 'l' ),     /* Sort Album */
    ITUNES_METADATA_ITEM_ITUNES_SORT_ARTIST         = LSMASH_4CC( 's', 'o', 'a', 'r' ),     /* Sort Artist */
    ITUNES_METADATA_ITEM_ITUNES_SORT_ALBUM_ARTIST   = LSMASH_4CC( 's', 'o', 'a', 'a' ),     /* Sort Album Artist */
    ITUNES_METADATA_ITEM_ITUNES_SORT_COMPOSER       = LSMASH_4CC( 's', 'o', 'c', 'o' ),     /* Sort Composer */
    ITUNES_METADATA_ITEM_ITUNES_SORT_NAME           = LSMASH_4CC( 's', 'o', 'n', 'm' ),     /* Sort Name */
    ITUNES_METADATA_ITEM_ITUNES_SORT_SHOW           = LSMASH_4CC( 's', 'o', 's', 'n' ),     /* Sort Show */

    /* Integer type
     * (X): X means length of bytes */
    ITUNES_METADATA_ITEM_EPISODE_GLOBAL_ID          = LSMASH_4CC( 'e', 'g', 'i', 'd' ),     /* (1) Episode Global Unique ID */
    ITUNES_METADATA_ITEM_PREDEFINED_GENRE           = LSMASH_4CC( 'g', 'n', 'r', 'e' ),     /* (2) Pre-defined Genre / Enumerated value from ID3 tag set, plus 1 */
    ITUNES_METADATA_ITEM_PODCAST_URL                = LSMASH_4CC( 'p', 'u', 'r', 'l' ),     /* (?) Podcast URL */
    ITUNES_METADATA_ITEM_CONTENT_RATING             = LSMASH_4CC( 'r', 't', 'n', 'g' ),     /* (1) Content Rating / Does song have explicit content? 0: none, 2: clean, 4: explicit */
    ITUNES_METADATA_ITEM_MEDIA_TYPE                 = LSMASH_4CC( 's', 't', 'i', 'k' ),     /* (1) Media Type */
    ITUNES_METADATA_ITEM_BEATS_PER_MINUTE           = LSMASH_4CC( 't', 'm', 'p', 'o' ),     /* (2) Beats Per Minute */
    ITUNES_METADATA_ITEM_TV_EPISODE                 = LSMASH_4CC( 't', 'v', 'e', 's' ),     /* (4) TV Episode */
    ITUNES_METADATA_ITEM_TV_SEASON                  = LSMASH_4CC( 't', 'v', 's', 'n' ),     /* (4) TV Season */
    ITUNES_METADATA_ITEM_ITUNES_ACCOUNT_TYPE        = LSMASH_4CC( 'a', 'k', 'I', 'D' ),     /* (1) iTunes Account Type / 0: iTunes, 1: AOL */
    ITUNES_METADATA_ITEM_ITUNES_ARTIST_ID           = LSMASH_4CC( 'a', 't', 'I', 'D' ),     /* (4) iTunes Artist ID */
    ITUNES_METADATA_ITEM_ITUNES_COMPOSER_ID         = LSMASH_4CC( 'c', 'm', 'I', 'D' ),     /* (4) iTunes Composer ID */
    ITUNES_METADATA_ITEM_ITUNES_CATALOG_ID          = LSMASH_4CC( 'c', 'n', 'I', 'D' ),     /* (4) iTunes Catalog ID */
    ITUNES_METADATA_ITEM_ITUNES_TV_GENRE_ID         = LSMASH_4CC( 'g', 'e', 'I', 'D' ),     /* (4) iTunes TV Genre ID */
    ITUNES_METADATA_ITEM_ITUNES_PLAYLIST_ID         = LSMASH_4CC( 'p', 'l', 'I', 'D' ),     /* (8) iTunes Playlist ID */
    ITUNES_METADATA_ITEM_ITUNES_COUNTRY_CODE        = LSMASH_4CC( 's', 'f', 'I', 'D' ),     /* (4) iTunes Country Code */

    /* Boolean type */
    ITUNES_METADATA_ITEM_DISC_COMPILATION           = LSMASH_4CC( 'c', 'p', 'i', 'l' ),     /* Disc Compilation / Is disc part of a compilation? 0: No, 1: Yes */
    ITUNES_METADATA_ITEM_HIGH_DEFINITION_VIDEO      = LSMASH_4CC( 'h', 'd', 'v', 'd' ),     /* High Definition Video / 0: No, 1: Yes */
    ITUNES_METADATA_ITEM_PODCAST                    = LSMASH_4CC( 'p', 'c', 's', 't' ),     /* Podcast / 0: No, 1: Yes */
    ITUNES_METADATA_ITEM_GAPLESS_PLAYBACK           = LSMASH_4CC( 'p', 'g', 'a', 'p' ),     /* Gapless Playback / 0: insert gap, 1: no gap */

    /* Binary type */
    ITUNES_METADATA_ITEM_COVER_ART                  = LSMASH_4CC( 'c', 'o', 'v', 'r' ),     /* One or more cover art images (JPEG/PNG/BMP data) */
    ITUNES_METADATA_ITEM_DISC_NUMBER                = LSMASH_4CC( 'd', 'i', 's', 'k' ),     /* Disc Number */
    ITUNES_METADATA_ITEM_TRACK_NUMBER               = LSMASH_4CC( 't', 'r', 'k', 'n' ),     /* Track Number */

    /* Custom type */
    ITUNES_METADATA_ITEM_CUSTOM                     = LSMASH_4CC( '-', '-', '-', '-' ),     /* Custom */
} lsmash_itunes_metadata_item;

typedef enum
{
    ITUNES_METADATA_TYPE_NONE    = 0,
    ITUNES_METADATA_TYPE_STRING  = 1,
    ITUNES_METADATA_TYPE_INTEGER = 2,
    ITUNES_METADATA_TYPE_BOOLEAN = 3,
    ITUNES_METADATA_TYPE_BINARY  = 4,
} lsmash_itunes_metadata_type;

typedef enum
{
    ITUNES_METADATA_SUBTYPE_IMPLICIT = 0,   /* for use with tags for which no type needs to be indicated because only one type is allowed */
    ITUNES_METADATA_SUBTYPE_UTF8     = 1,   /* without any count or null terminator */
    ITUNES_METADATA_SUBTYPE_UTF16    = 2,   /* also known as UTF-16BE */
    ITUNES_METADATA_SUBTYPE_SJIS     = 3,   /* deprecated unless it is needed for special Japanese characters */
    ITUNES_METADATA_SUBTYPE_HTML     = 6,   /* the HTML file header specifies which HTML version */
    ITUNES_METADATA_SUBTYPE_XML      = 7,   /* the XML header must identify the DTD or schemas */
    ITUNES_METADATA_SUBTYPE_UUID     = 8,   /* also known as GUID; stored as 16 bytes in binary (valid as an ID) */
    ITUNES_METADATA_SUBTYPE_ISRC     = 9,   /* stored as UTF-8 text (valid as an ID) */
    ITUNES_METADATA_SUBTYPE_MI3P     = 10,  /* stored as UTF-8 text (valid as an ID) */
    ITUNES_METADATA_SUBTYPE_GIF      = 12,  /* (deprecated) a GIF image */
    ITUNES_METADATA_SUBTYPE_JPEG     = 13,  /* in a JFIF wrapper */
    ITUNES_METADATA_SUBTYPE_PNG      = 14,  /* in a PNG wrapper */
    ITUNES_METADATA_SUBTYPE_URL      = 15,  /* absolute, in UTF-8 characters */
    ITUNES_METADATA_SUBTYPE_DURATION = 16,  /* in milliseconds, a 32-bit integer */
    ITUNES_METADATA_SUBTYPE_TIME     = 17,  /* in UTC, counting seconds since midnight on 1 January, 1904; 32 or 64 bits */
    ITUNES_METADATA_SUBTYPE_GENRES   = 18,  /* a list of values from the enumerated set */
    ITUNES_METADATA_SUBTYPE_INTEGER  = 21,  /* A signed big-endian integer in 1,2,3,4 or 8 bytes */
    ITUNES_METADATA_SUBTYPE_RIAAPA   = 24,  /* RIAA Parental advisory; -1=no, 1=yes, 0=unspecified. 8-bit integer */
    ITUNES_METADATA_SUBTYPE_UPC      = 25,  /* Universal Product Code, in text UTF-8 format (valid as an ID) */
    ITUNES_METADATA_SUBTYPE_BMP      = 27,  /* Windows bitmap format graphics */
} lsmash_itunes_metadata_subtype;

typedef union
{
    char            *string;    /* for ITUNES_METADATA_TYPE_STRING (UTF-8 string) */
    uint64_t         integer;   /* for ITUNES_METADATA_TYPE_INTEGER */
    lsmash_boolean_t boolean;   /* for ITUNES_METADATA_TYPE_BOOLEAN */
    /* for ITUNES_METADATA_TYPE_BINARY */
    struct
    {
        lsmash_itunes_metadata_subtype subtype;
        uint32_t                       size;
        uint8_t                       *data;
    } binary;
} lsmash_itunes_metadata_value_t;

typedef struct
{
    /* When 'item' is specified as ITUNES_METADATA_ITEM_CUSTOM, 'type' and 'meaning' is mandatory while 'name' is optionally valid.
     * Otherwise 'type', 'meaning' and 'name' are just ignored. 'value' is always mandatory. */
    lsmash_itunes_metadata_item    item;
    lsmash_itunes_metadata_type    type;
    lsmash_itunes_metadata_value_t value;
    char                          *meaning;
    char                          *name;
} lsmash_itunes_metadata_t;

/* Append an iTunes metadata to a movie.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_set_itunes_metadata
(
    lsmash_root_t           *root,
    lsmash_itunes_metadata_t metadata
);

/* Count the number of iTunes metadata in a movie.
 *
 * Return the number of iTunes metadata in a movie if successful.
 * Return 0 otherwise. */
uint32_t lsmash_count_itunes_metadata
(
    lsmash_root_t *root
);

/* Get an iTunes metadata in a movie.
 * String and/or binary fields in 'metadata' are allocated if successful.
 * You can deallocate the allocated fields by lsmash_free().
 * Also you can deallocate all of the allocated fields by lsmash_cleanup_itunes_metadata() at a time.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_get_itunes_metadata
(
    lsmash_root_t            *root,
    uint32_t                  metadata_number,
    lsmash_itunes_metadata_t *metadata
);

/* Deallocate all of allocated fields in a given iTunes metadata at a time.
 * The deallocated fields are set to NULL.
 * Note: the given iTunes metadata itself is NOT deallocated by this function. */
void lsmash_cleanup_itunes_metadata
(
    lsmash_itunes_metadata_t *metadata
);

/****************************************************************************
 * Others
 ****************************************************************************/
/* Set a copyright declaration to a track.
 * track_ID == 0 means copyright declaration applies to the entire presentation, not an entire track.
 *
 * Return 0 if successful.
 * Return a negative value otherwise. */
int lsmash_set_copyright
(
    lsmash_root_t *root,
    uint32_t       track_ID,
    uint16_t       ISO_language,
    char          *notice
);

int lsmash_create_object_descriptor
(
    lsmash_root_t *root
);

#ifdef _WIN32
/* Convert string encoded by ACP (ANSI CODE PAGE) to UTF-8.
 *
 * Return the size of converted string (bytes) if successful.
 * Return 0 otherwise. */
int lsmash_convert_ansi_to_utf8
(
    const char *string_ansi,    /* string encoded by ACP */
    char       *string_utf8,    /* buffer for converted string from ACP */
    int         max_length      /* size of 'string_utf8' */
);
#endif

#undef PRIVATE

#ifdef __cplusplus
}
#endif

#endif