codecs/description.h

   1 /*****************************************************************************
   2  * description.h
   3  *****************************************************************************
   4  * Copyright (C) 2012-2017 L-SMASH project
   5  *
   6  * Authors: Yusuke Nakamura <muken.the.vfrmaniac@gmail.com>
   7  *
   8  * Permission to use, copy, modify, and/or distribute this software for any
   9  * purpose with or without fee is hereby granted, provided that the above
  10  * copyright notice and this permission notice appear in all copies.
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  18  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  19  *****************************************************************************/
  20
  21 /* This file is available under an ISC license. */
  22
  23 struct lsmash_codec_specific_list_tag
  24 {
  25     lsmash_entry_list_t list;
  26 };
  27
  28 lsmash_codec_specific_t *isom_duplicate_codec_specific_data
  29 (
  30     lsmash_codec_specific_t *specific
  31 );
  32
  33 lsmash_codec_specific_t *isom_get_codec_specific
  34 (
  35     lsmash_codec_specific_list_t   *opaque,
  36     lsmash_codec_specific_data_type type
  37 );
  38
  39 int isom_setup_sample_description
  40 (
  41     isom_stsd_t      *stsd,
  42     lsmash_media_type media_type,
  43     lsmash_summary_t *summary
  44 );
  45
  46 lsmash_summary_t *isom_create_video_summary_from_description
  47 (
  48     isom_sample_entry_t *sample_entry
  49 );
  50
  51 lsmash_summary_t *isom_create_audio_summary_from_description
  52 (
  53     isom_sample_entry_t *sample_entry
  54 );
  55
  56 int isom_compare_opaque_extensions
  57 (
  58     lsmash_summary_t *a,
  59     lsmash_summary_t *b
  60 );
  61
  62 int isom_get_implicit_qt_fixed_comp_audio_sample_quants
  63 (
  64     isom_audio_entry_t *audio,
  65     uint32_t           *samples_per_packet,
  66     uint32_t           *constant_bytes_per_frame,
  67     uint32_t           *sample_size
  68 );
  69
  70 isom_bitrate_updater_t isom_get_bitrate_updater
  71 (
  72     isom_sample_entry_t *sample_entry
  73 );