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ffmpeg / libavformat / isom.c @ 2912e87a

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/*
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 * ISO Media common code
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 * Copyright (c) 2001 Fabrice Bellard
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 * Copyright (c) 2002 Francois Revol <revol@free.fr>
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 * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
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 *
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 * This file is part of Libav.
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 *
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 * Libav is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * Libav is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with Libav; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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//#define DEBUG
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#include "avformat.h"
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#include "internal.h"
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#include "isom.h"
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#include "riff.h"
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#include "libavcodec/mpeg4audio.h"
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#include "libavcodec/mpegaudiodata.h"
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/* http://www.mp4ra.org */
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/* ordered by muxing preference */
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const AVCodecTag ff_mp4_obj_type[] = {
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    { CODEC_ID_MOV_TEXT  , 0x08 },
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    { CODEC_ID_MPEG4     , 0x20 },
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    { CODEC_ID_H264      , 0x21 },
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    { CODEC_ID_AAC       , 0x40 },
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    { CODEC_ID_MP4ALS    , 0x40 }, /* 14496-3 ALS */
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    { CODEC_ID_MPEG2VIDEO, 0x61 }, /* MPEG2 Main */
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    { CODEC_ID_MPEG2VIDEO, 0x60 }, /* MPEG2 Simple */
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    { CODEC_ID_MPEG2VIDEO, 0x62 }, /* MPEG2 SNR */
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    { CODEC_ID_MPEG2VIDEO, 0x63 }, /* MPEG2 Spatial */
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    { CODEC_ID_MPEG2VIDEO, 0x64 }, /* MPEG2 High */
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    { CODEC_ID_MPEG2VIDEO, 0x65 }, /* MPEG2 422 */
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    { CODEC_ID_AAC       , 0x66 }, /* MPEG2 AAC Main */
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    { CODEC_ID_AAC       , 0x67 }, /* MPEG2 AAC Low */
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    { CODEC_ID_AAC       , 0x68 }, /* MPEG2 AAC SSR */
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    { CODEC_ID_MP3       , 0x69 }, /* 13818-3 */
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    { CODEC_ID_MP2       , 0x69 }, /* 11172-3 */
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    { CODEC_ID_MPEG1VIDEO, 0x6A }, /* 11172-2 */
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    { CODEC_ID_MP3       , 0x6B }, /* 11172-3 */
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    { CODEC_ID_MJPEG     , 0x6C }, /* 10918-1 */
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    { CODEC_ID_PNG       , 0x6D },
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    { CODEC_ID_JPEG2000  , 0x6E }, /* 15444-1 */
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    { CODEC_ID_VC1       , 0xA3 },
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    { CODEC_ID_DIRAC     , 0xA4 },
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    { CODEC_ID_AC3       , 0xA5 },
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    { CODEC_ID_VORBIS    , 0xDD }, /* non standard, gpac uses it */
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    { CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
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    { CODEC_ID_QCELP     , 0xE1 },
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    { CODEC_ID_NONE      ,    0 },
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};
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const AVCodecTag codec_movvideo_tags[] = {
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/*  { CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
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    { CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
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    { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
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    { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */
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    { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
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    { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
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    { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
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    { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
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    { CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
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    { CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
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    { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
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    { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
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    { CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
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    { CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
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    { CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
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    { CODEC_ID_R10K,   MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
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    { CODEC_ID_R210,   MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
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    { CODEC_ID_V210,   MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
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    { CODEC_ID_MJPEG,  MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
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    { CODEC_ID_MJPEG,  MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
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    { CODEC_ID_MJPEG,  MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
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/*  { CODEC_ID_MJPEG,  MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
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    { CODEC_ID_MJPEG,  MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
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    { CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
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    { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
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    { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
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    { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
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    { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
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    { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
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    { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
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    { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
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    { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
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    { CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
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    { CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
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    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
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    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
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    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
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    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
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    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
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    { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
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    { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
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    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
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    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
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    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
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    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
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    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
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    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
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    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
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    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
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    { CODEC_ID_VP3,     MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
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    { CODEC_ID_RPZA,    MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
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    { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
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    { CODEC_ID_8BPS,    MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
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    { CODEC_ID_SMC,     MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
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    { CODEC_ID_QTRLE,   MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
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    { CODEC_ID_MSRLE,   MKTAG('W', 'R', 'L', 'E') },
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    { CODEC_ID_QDRAW,   MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
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    { CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
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    { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
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    { CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC Intra  50 / 1080 interlace */
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    { CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC Intra  50 /  720 */
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    { CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC Intra 100 / 1080 interlace */
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    { CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC Intra 100 /  720 */
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    { CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC Intra 100 / 1080 */
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    { CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
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    { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
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    { CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
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    { CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
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    { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
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    { CODEC_ID_TIFF,  MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
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    { CODEC_ID_GIF,   MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
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    { CODEC_ID_PNG,   MKTAG('p', 'n', 'g', ' ') },
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    { CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
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    { CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
193 1e5f5e3b Baptiste Coudurier
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    { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
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    { CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
196 a0ae3e41 Carl Eugen Hoyos
    { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
197 59ea69ef Carl Eugen Hoyos
    { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
198 2d99eed1 Xiaohui Sun
    { CODEC_ID_SGI,   MKTAG('s', 'g', 'i', ' ') }, /* SGI  */
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    { CODEC_ID_DPX,   MKTAG('d', 'p', 'x', ' ') }, /* DPX */
200 c06136e0 Baptiste Coudurier
201 e65b1934 Tomas Härdin
    { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
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    { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
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    { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
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    { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
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    { CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
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    { CODEC_ID_NONE, 0 },
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};
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const AVCodecTag codec_movaudio_tags[] = {
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    { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
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    { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
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    { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
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    { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
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    { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, /* 16 bits */
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    { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, /*  */
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    { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
218 a1ef2c4b Peter Ross
    { CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
219 7c4b7d0f Baptiste Coudurier
    { CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
220 a1ef2c4b Peter Ross
    { CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
221 7c4b7d0f Baptiste Coudurier
    { CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
222 36264d35 Baptiste Coudurier
    { CODEC_ID_PCM_S8,    MKTAG('s', 'o', 'w', 't') },
223 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_PCM_U8,    MKTAG('r', 'a', 'w', ' ') }, /* 8 bits unsigned */
224 bffcf2eb Baptiste Coudurier
    { CODEC_ID_PCM_U8,    MKTAG('N', 'O', 'N', 'E') }, /* uncompressed */
225 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, /*  */
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    { CODEC_ID_PCM_ALAW,  MKTAG('a', 'l', 'a', 'w') }, /*  */
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    { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') }, /* IMA-4 ADPCM */
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    { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') }, /* Macintosh Audio Compression and Expansion 3:1 */
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    { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') }, /* Macintosh Audio Compression and Expansion 6:1 */
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233 0b389aee Alexander Strange
    { CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') }, /* MPEG layer 1 */
234 b46f18e5 Jason Garrett-Glaser
    { CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') }, /* MPEG layer 2 */
235
236 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') }, /* MPEG layer 3 */ /* sample files at http://www.3ivx.com/showcase.html use this tag */
237 0174f514 Baptiste Coudurier
    { CODEC_ID_MP3, 0x6D730055 }, /* MPEG layer 3 */
238 1e5f5e3b Baptiste Coudurier
239
/*  { CODEC_ID_OGG_VORBIS, MKTAG('O', 'g', 'g', 'S') }, *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
240
241
    { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') }, /* MPEG-4 AAC */
242 d4a240cb Baptiste Coudurier
    { CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
243 34edd994 David Conrad
    { CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
244 1e5f5e3b Baptiste Coudurier
245
    { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
246
    { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
247
248 5610f20e Baptiste Coudurier
    { CODEC_ID_GSM,  MKTAG('a', 'g', 's', 'm') },
249 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') }, /* Apple Lossless */
250 76f34857 Baptiste Coudurier
251
    { CODEC_ID_QCELP, MKTAG('Q','c','l','p') },
252 be43ae66 Jason Garrett-Glaser
    { CODEC_ID_QCELP, MKTAG('Q','c','l','q') },
253 76f34857 Baptiste Coudurier
    { CODEC_ID_QCELP, MKTAG('s','q','c','p') }, /* ISO Media fourcc */
254
255 ed19fafd Sascha Sommer
    { CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') }, /* QDMC */
256 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') }, /* QDM2 */
257
258
    { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
259
    { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
260
261 0c739854 Michael Niedermayer
    { CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
262
263 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_NONE, 0 },
264
};
265
266 1e3c9307 Michael Niedermayer
const AVCodecTag ff_codec_movsubtitle_tags[] = {
267 cc8c2c6a Reimar Döffinger
    { CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
268 eb3ba13b Reimar Döffinger
    { CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
269 1e3c9307 Michael Niedermayer
    { CODEC_ID_NONE, 0 },
270
};
271
272 e40ee6a2 Baptiste Coudurier
/* map numeric codes from mdhd atom to ISO 639 */
273
/* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
274
/* http://developer.apple.com/documentation/mac/Text/Text-368.html */
275
/* deprecated by putting the code as 3*5bit ascii */
276 029ddf33 Reimar Döffinger
static const char mov_mdhd_language_map[][4] = {
277 e40ee6a2 Baptiste Coudurier
    /* 0-9 */
278
    "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
279
    "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
280 029ddf33 Reimar Döffinger
    "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav",    "",
281
    "fo ",    "", "rus", "chi",    "", "iri", "alb", "ron", "ces", "slk",
282 e40ee6a2 Baptiste Coudurier
    "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
283
    /*?*/
284 029ddf33 Reimar Döffinger
    "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon",    "", "pus",
285 e40ee6a2 Baptiste Coudurier
    "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
286 029ddf33 Reimar Döffinger
    "pa ", "ori", "mal", "kan", "tam", "tel",    "", "bur", "khm", "lao",
287 e40ee6a2 Baptiste Coudurier
    /*                   roman? arabic? */
288
    "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
289
    /*==rundi?*/
290 029ddf33 Reimar Döffinger
       "", "run",    "", "mlg", "epo",    "",    "",    "",    "",    "",
291 e40ee6a2 Baptiste Coudurier
    /* 100 */
292 029ddf33 Reimar Döffinger
       "",    "",    "",    "",    "",    "",    "",    "",    "",    "",
293
       "",    "",    "",    "",    "",    "",    "",    "",    "",    "",
294
       "",    "",    "",    "",    "",    "",    "",    "", "wel", "baq",
295 e40ee6a2 Baptiste Coudurier
    "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
296
};
297
298 1c90d298 Reimar Döffinger
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
299 e40ee6a2 Baptiste Coudurier
{
300
    int i, code = 0;
301
302
    /* old way, only for QT? */
303 029ddf33 Reimar Döffinger
    for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
304
        if (!strcmp(lang, mov_mdhd_language_map[i]))
305 e40ee6a2 Baptiste Coudurier
            return i;
306
    }
307
    /* XXX:can we do that in mov too? */
308
    if (!mp4)
309 2904fd39 Aurelien Jacobs
        return -1;
310 e40ee6a2 Baptiste Coudurier
    /* handle undefined as such */
311
    if (lang[0] == '\0')
312
        lang = "und";
313
    /* 5bit ascii */
314
    for (i = 0; i < 3; i++) {
315 832ec428 Reimar Döffinger
        uint8_t c = lang[i];
316
        c -= 0x60;
317
        if (c > 0x1f)
318 2904fd39 Aurelien Jacobs
            return -1;
319 e40ee6a2 Baptiste Coudurier
        code <<= 5;
320 832ec428 Reimar Döffinger
        code |= c;
321 e40ee6a2 Baptiste Coudurier
    }
322
    return code;
323
}
324
325 1c90d298 Reimar Döffinger
int ff_mov_lang_to_iso639(unsigned code, char to[4])
326 e40ee6a2 Baptiste Coudurier
{
327
    int i;
328 1c90d298 Reimar Döffinger
    memset(to, 0, 4);
329 e40ee6a2 Baptiste Coudurier
    /* is it the mangled iso code? */
330
    /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
331
    if (code > 138) {
332
        for (i = 2; i >= 0; i--) {
333
            to[i] = 0x60 + (code & 0x1f);
334
            code >>= 5;
335
        }
336
        return 1;
337
    }
338
    /* old fashion apple lang code */
339 37d3e066 Aurelien Jacobs
    if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
340 e40ee6a2 Baptiste Coudurier
        return 0;
341 029ddf33 Reimar Döffinger
    if (!mov_mdhd_language_map[code][0])
342 e40ee6a2 Baptiste Coudurier
        return 0;
343 029ddf33 Reimar Döffinger
    memcpy(to, mov_mdhd_language_map[code], 4);
344 e40ee6a2 Baptiste Coudurier
    return 1;
345
}
346 798c6fac Baptiste Coudurier
347 ae628ec1 Anton Khirnov
int ff_mp4_read_descr_len(AVIOContext *pb)
348 798c6fac Baptiste Coudurier
{
349
    int len = 0;
350
    int count = 4;
351
    while (count--) {
352 b7effd4e Anton Khirnov
        int c = avio_r8(pb);
353 798c6fac Baptiste Coudurier
        len = (len << 7) | (c & 0x7f);
354
        if (!(c & 0x80))
355
            break;
356
    }
357
    return len;
358
}
359
360 ae628ec1 Anton Khirnov
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
361 798c6fac Baptiste Coudurier
{
362
    int len;
363 b7effd4e Anton Khirnov
    *tag = avio_r8(pb);
364 798c6fac Baptiste Coudurier
    len = ff_mp4_read_descr_len(pb);
365 dfd2a005 Luca Barbato
    av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
366 798c6fac Baptiste Coudurier
    return len;
367
}
368
369
static const AVCodecTag mp4_audio_types[] = {
370
    { CODEC_ID_MP3ON4, AOT_PS   }, /* old mp3on4 draft */
371
    { CODEC_ID_MP3ON4, AOT_L1   }, /* layer 1 */
372
    { CODEC_ID_MP3ON4, AOT_L2   }, /* layer 2 */
373
    { CODEC_ID_MP3ON4, AOT_L3   }, /* layer 3 */
374
    { CODEC_ID_MP4ALS, AOT_ALS  }, /* MPEG-4 ALS */
375
    { CODEC_ID_NONE,   AOT_NULL },
376
};
377
378 ae628ec1 Anton Khirnov
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
379 798c6fac Baptiste Coudurier
{
380
    int len, tag;
381 b7effd4e Anton Khirnov
    int object_type_id = avio_r8(pb);
382
    avio_r8(pb); /* stream type */
383
    avio_rb24(pb); /* buffer size db */
384
    avio_rb32(pb); /* max bitrate */
385
    avio_rb32(pb); /* avg bitrate */
386 798c6fac Baptiste Coudurier
387
    st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
388 dfd2a005 Luca Barbato
    av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
389 798c6fac Baptiste Coudurier
    len = ff_mp4_read_descr(fc, pb, &tag);
390
    if (tag == MP4DecSpecificDescrTag) {
391 dfd2a005 Luca Barbato
        av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
392 798c6fac Baptiste Coudurier
        if((uint64_t)len > (1<<30))
393
            return -1;
394
        av_free(st->codec->extradata);
395
        st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
396
        if (!st->codec->extradata)
397
            return AVERROR(ENOMEM);
398 b7effd4e Anton Khirnov
        avio_read(pb, st->codec->extradata, len);
399 798c6fac Baptiste Coudurier
        st->codec->extradata_size = len;
400
        if (st->codec->codec_id == CODEC_ID_AAC) {
401
            MPEG4AudioConfig cfg;
402
            ff_mpeg4audio_get_config(&cfg, st->codec->extradata,
403
                                     st->codec->extradata_size);
404
            st->codec->channels = cfg.channels;
405
            if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
406
                st->codec->sample_rate = ff_mpa_freq_tab[cfg.sampling_index];
407
            else if (cfg.ext_sample_rate)
408
                st->codec->sample_rate = cfg.ext_sample_rate;
409
            else
410
                st->codec->sample_rate = cfg.sample_rate;
411 dfd2a005 Luca Barbato
            av_dlog(fc, "mp4a config channels %d obj %d ext obj %d "
412 798c6fac Baptiste Coudurier
                    "sample rate %d ext sample rate %d\n", st->codec->channels,
413
                    cfg.object_type, cfg.ext_object_type,
414
                    cfg.sample_rate, cfg.ext_sample_rate);
415
            if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
416
                                                        cfg.object_type)))
417
                st->codec->codec_id = CODEC_ID_AAC;
418
        }
419
    }
420
    return 0;
421
}