tools_common.h

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10 #ifndef TOOLS_COMMON_H_
  11 #define TOOLS_COMMON_H_
  12
  13 #include <stdio.h>
  14
  15 #include "./vpx_config.h"
  16 #include "vpx/vpx_codec.h"
  17 #include "vpx/vpx_image.h"
  18 #include "vpx/vpx_integer.h"
  19
  20 #if CONFIG_ENCODERS
  21 #include "./y4minput.h"
  22 #endif
  23
  24 #if defined(_MSC_VER)
  25 /* MSVS doesn't define off_t, and uses _f{seek,tell}i64. */
  26 typedef __int64 off_t;
  27 #define fseeko _fseeki64
  28 #define ftello _ftelli64
  29 #elif defined(_WIN32)
  30 /* MinGW defines off_t as long and uses f{seek,tell}o64/off64_t for large
  31  * files. */
  32 #define fseeko fseeko64
  33 #define ftello ftello64
  34 #define off_t off64_t
  35 #endif  /* _WIN32 */
  36
  37 #if CONFIG_OS_SUPPORT
  38 #if defined(_MSC_VER)
  39 #include <io.h>  /* NOLINT */
  40 #define snprintf _snprintf
  41 #define isatty   _isatty
  42 #define fileno   _fileno
  43 #else
  44 #include <unistd.h>  /* NOLINT */
  45 #endif  /* _MSC_VER */
  46 #endif  /* CONFIG_OS_SUPPORT */
  47
  48 /* Use 32-bit file operations in WebM file format when building ARM
  49  * executables (.axf) with RVCT. */
  50 #if !CONFIG_OS_SUPPORT
  51 typedef long off_t;  /* NOLINT */
  52 #define fseeko fseek
  53 #define ftello ftell
  54 #endif  /* CONFIG_OS_SUPPORT */
  55
  56 #define LITERALU64(hi, lo) ((((uint64_t)hi) << 32) | lo)
  57
  58 #ifndef PATH_MAX
  59 #define PATH_MAX 512
  60 #endif
  61
  62 #define IVF_FRAME_HDR_SZ (4 + 8)  /* 4 byte size + 8 byte timestamp */
  63 #define IVF_FILE_HDR_SZ 32
  64
  65 #define RAW_FRAME_HDR_SZ sizeof(uint32_t)
  66
  67 #define VP8_FOURCC 0x30385056
  68 #define VP9_FOURCC 0x30395056
  69
  70 enum VideoFileType {
  71   FILE_TYPE_RAW,
  72   FILE_TYPE_IVF,
  73   FILE_TYPE_Y4M,
  74   FILE_TYPE_WEBM
  75 };
  76
  77 struct FileTypeDetectionBuffer {
  78   char buf[4];
  79   size_t buf_read;
  80   size_t position;
  81 };
  82
  83 struct VpxRational {
  84   int numerator;
  85   int denominator;
  86 };
  87
  88 struct VpxInputContext {
  89   const char *filename;
  90   FILE *file;
  91   off_t length;
  92   struct FileTypeDetectionBuffer detect;
  93   enum VideoFileType file_type;
  94   uint32_t width;
  95   uint32_t height;
  96   int use_i420;
  97   int only_i420;
  98   uint32_t fourcc;
  99   struct VpxRational framerate;
 100 #if CONFIG_ENCODERS
 101   y4m_input y4m;
 102 #endif
 103 };
 104
 105 #ifdef __cplusplus
 106 extern "C" {
 107 #endif
 108
 109 /* Sets a stdio stream into binary mode */
 110 FILE *set_binary_mode(FILE *stream);
 111
 112 void die(const char *fmt, ...);
 113 void fatal(const char *fmt, ...);
 114 void warn(const char *fmt, ...);
 115
 116 void die_codec(vpx_codec_ctx_t *ctx, const char *s);
 117
 118 /* The tool including this file must define usage_exit() */
 119 void usage_exit();
 120
 121 uint16_t mem_get_le16(const void *data);
 122 uint32_t mem_get_le32(const void *data);
 123
 124 int read_yuv_frame(struct VpxInputContext *input_ctx, vpx_image_t *yuv_frame);
 125
 126 typedef struct VpxInterface {
 127   const char *const name;
 128   const uint32_t fourcc;
 129   vpx_codec_iface_t *(*const interface)();
 130 } VpxInterface;
 131
 132 int get_vpx_encoder_count();
 133 const VpxInterface *get_vpx_encoder_by_index(int i);
 134 const VpxInterface *get_vpx_encoder_by_name(const char *name);
 135
 136 int get_vpx_decoder_count();
 137 const VpxInterface *get_vpx_decoder_by_index(int i);
 138 const VpxInterface *get_vpx_decoder_by_name(const char *name);
 139 const VpxInterface *get_vpx_decoder_by_fourcc(uint32_t fourcc);
 140
 141 // TODO(dkovalev): move this function to vpx_image.{c, h}, so it will be part
 142 // of vpx_image_t support
 143 int vpx_img_plane_width(const vpx_image_t *img, int plane);
 144 int vpx_img_plane_height(const vpx_image_t *img, int plane);
 145 void vpx_img_write(const vpx_image_t *img, FILE *file);
 146 int vpx_img_read(vpx_image_t *img, FILE *file);
 147
 148 #ifdef __cplusplus
 149 }  /* extern "C" */
 150 #endif
 151
 152 #endif  // TOOLS_COMMON_H_