* Copyright (c) 2002 Francois Revol <revol@free.fr>
* Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+//#define DEBUG
+
#include "avformat.h"
-#include "riff.h"
+#include "internal.h"
#include "isom.h"
+#include "riff.h"
+#include "libavcodec/mpeg4audio.h"
+#include "libavcodec/mpegaudiodata.h"
/* http://www.mp4ra.org */
/* ordered by muxing preference */
{ CODEC_ID_MPEG4 , 0x20 },
{ CODEC_ID_H264 , 0x21 },
{ CODEC_ID_AAC , 0x40 },
+ { CODEC_ID_MP4ALS , 0x40 }, /* 14496-3 ALS */
{ CODEC_ID_MPEG2VIDEO, 0x61 }, /* MPEG2 Main */
{ CODEC_ID_MPEG2VIDEO, 0x60 }, /* MPEG2 Simple */
{ CODEC_ID_MPEG2VIDEO, 0x62 }, /* MPEG2 SNR */
{ CODEC_ID_VC1 , 0xA3 },
{ CODEC_ID_DIRAC , 0xA4 },
{ CODEC_ID_AC3 , 0xA5 },
+ { CODEC_ID_DTS , 0xA9 }, /* mp4ra.org */
{ CODEC_ID_VORBIS , 0xDD }, /* non standard, gpac uses it */
{ CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
{ CODEC_ID_QCELP , 0xE1 },
- { 0, 0 },
+ { CODEC_ID_MPEG4SYSTEMS, 0x01 },
+ { CODEC_ID_MPEG4SYSTEMS, 0x02 },
+ { CODEC_ID_NONE , 0 },
};
-const AVCodecTag codec_movvideo_tags[] = {
+const AVCodecTag ff_codec_movvideo_tags[] = {
/* { CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
{ CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
{ CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
{ CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */
{ CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
+ { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
+
+ { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
+ { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
+ { CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
+ { CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
+ { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
+ { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
+ { CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
+ { CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
+ { CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
+ { CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
+
+ { CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
+ { CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */
+ { CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
+ { CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
+ { CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* UNCOMPRESSED 10BIT 4:4:4 */
{ CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
{ CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
{ CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
{ CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
-
+ { CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */
+ { CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */
+ { CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */
+ { CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */
+ { CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */
+ { CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */
+ { CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
+ { CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
+ { CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
+ { CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
+ { CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
+ { CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
+
+ { CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
{ CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
+ { CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
{ CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
{ CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
{ CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
+ { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG2 HDV 720p24 */
{ CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
{ CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
{ CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
{ CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
+ { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG2 HDV 720p60 JVC */
+ { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG2 HDV 720p50 */
{ CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
{ CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
{ CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
{ CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
{ CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
{ CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
+ { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
+ { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
{ CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
{ CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
{ CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
{ CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
{ CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
{ CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
+ { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
+ { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
{ CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
{ CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
{ CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
{ CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
+ { CODEC_ID_FLV1, MKTAG('H', '2', '6', '3') }, /* Flash Media Server */
+ { CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
+ { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
+ { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
{ CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */
+ { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */
+
+ { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
+ { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
+ { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
+ { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
+ { CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
{ CODEC_ID_NONE, 0 },
};
-const AVCodecTag codec_movaudio_tags[] = {
- { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
- { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
- { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
- { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
- { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, /* 16 bits */
- { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, /* */
- { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
- { CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
- { CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
- { CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
- { CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') }, /* 8 bits unsigned */
- { CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') }, /* uncompressed */
- { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, /* */
- { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') }, /* */
-
- { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') }, /* IMA-4 ADPCM */
-
- { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') }, /* Macintosh Audio Compression and Expansion 3:1 */
- { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') }, /* Macintosh Audio Compression and Expansion 6:1 */
-
- { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') }, /* MPEG layer 3 */ /* sample files at http://www.3ivx.com/showcase.html use this tag */
- { CODEC_ID_MP3, 0x6D730055 }, /* MPEG layer 3 */
-
-/* { CODEC_ID_OGG_VORBIS, MKTAG('O', 'g', 'g', 'S') }, *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
-
- { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') }, /* MPEG-4 AAC */
- { CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
-
- { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
- { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
-
- { CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
- { CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') }, /* Apple Lossless */
-
- { CODEC_ID_QCELP, MKTAG('Q','c','l','p') },
- { CODEC_ID_QCELP, MKTAG('s','q','c','p') }, /* ISO Media fourcc */
-
- { CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') }, /* QDM2 */
-
- { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
- { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
-
- { CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
-
+const AVCodecTag ff_codec_movaudio_tags[] = {
+ { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
+ { CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
+ { CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
+ { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
+ { CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
+ { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
+ { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
+ { CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* mp4ra.org */
+ { CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
+ { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
+ { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
+ { CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') },
+ { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
+ { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
+ { CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') },
+ { CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') },
+ { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
+ { CODEC_ID_MP3, 0x6D730055 },
+ { CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
+ { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
+ { CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
+ { CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') },
+ { CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
+ { CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') },
+ { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
+ { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
+ { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
+ { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
+ { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
+ { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
+ { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
+ { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
+ { CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') },
+ { CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') },
+ { CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') },
+ { CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') },
+ { CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') },
+ { CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
+ { CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') },
+ { CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') },
+ { CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
+ { CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
{ CODEC_ID_NONE, 0 },
};
/* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
/* http://developer.apple.com/documentation/mac/Text/Text-368.html */
/* deprecated by putting the code as 3*5bit ascii */
-static const char * const mov_mdhd_language_map[] = {
+static const char mov_mdhd_language_map[][4] = {
/* 0-9 */
"eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
"heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
- "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", NULL,
- "fo ", NULL, "rus", "chi", NULL, "iri", "alb", "ron", "ces", "slk",
+ "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "",
+ "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk",
"slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
/*?*/
- "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", NULL, "pus",
+ "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus",
"kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
- "pa ", "ori", "mal", "kan", "tam", "tel", NULL, "bur", "khm", "lao",
+ "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao",
/* roman? arabic? */
"vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
/*==rundi?*/
- NULL, "run", NULL, "mlg", "epo", NULL, NULL, NULL, NULL, NULL,
+ "", "run", "", "mlg", "epo", "", "", "", "", "",
/* 100 */
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "wel", "baq",
+ "", "", "", "", "", "", "", "", "", "",
+ "", "", "", "", "", "", "", "", "", "",
+ "", "", "", "", "", "", "", "", "wel", "baq",
"cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
};
-int ff_mov_iso639_to_lang(const char *lang, int mp4)
+int ff_mov_iso639_to_lang(const char lang[4], int mp4)
{
int i, code = 0;
/* old way, only for QT? */
- for (i = 0; !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
- if (mov_mdhd_language_map[i] && !strcmp(lang, mov_mdhd_language_map[i]))
+ for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
+ if (!strcmp(lang, mov_mdhd_language_map[i]))
return i;
}
/* XXX:can we do that in mov too? */
lang = "und";
/* 5bit ascii */
for (i = 0; i < 3; i++) {
- unsigned char c = (unsigned char)lang[i];
- if (c < 0x60)
- return -1;
- if (c > 0x60 + 0x1f)
+ uint8_t c = lang[i];
+ c -= 0x60;
+ if (c > 0x1f)
return -1;
code <<= 5;
- code |= (c - 0x60);
+ code |= c;
}
return code;
}
-int ff_mov_lang_to_iso639(unsigned code, char *to)
+int ff_mov_lang_to_iso639(unsigned code, char to[4])
{
int i;
+ memset(to, 0, 4);
/* is it the mangled iso code? */
/* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
if (code > 138) {
/* old fashion apple lang code */
if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
return 0;
- if (!mov_mdhd_language_map[code])
+ if (!mov_mdhd_language_map[code][0])
return 0;
- strncpy(to, mov_mdhd_language_map[code], 4);
+ memcpy(to, mov_mdhd_language_map[code], 4);
return 1;
}
+
+int ff_mp4_read_descr_len(AVIOContext *pb)
+{
+ int len = 0;
+ int count = 4;
+ while (count--) {
+ int c = avio_r8(pb);
+ len = (len << 7) | (c & 0x7f);
+ if (!(c & 0x80))
+ break;
+ }
+ return len;
+}
+
+int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
+{
+ int len;
+ *tag = avio_r8(pb);
+ len = ff_mp4_read_descr_len(pb);
+ av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
+ return len;
+}
+
+void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
+{
+ int flags;
+ if (es_id) *es_id = avio_rb16(pb);
+ else avio_rb16(pb);
+ flags = avio_r8(pb);
+ if (flags & 0x80) //streamDependenceFlag
+ avio_rb16(pb);
+ if (flags & 0x40) { //URL_Flag
+ int len = avio_r8(pb);
+ avio_skip(pb, len);
+ }
+ if (flags & 0x20) //OCRstreamFlag
+ avio_rb16(pb);
+}
+
+static const AVCodecTag mp4_audio_types[] = {
+ { CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */
+ { CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */
+ { CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */
+ { CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */
+ { CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */
+ { CODEC_ID_NONE, AOT_NULL },
+};
+
+int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
+{
+ int len, tag;
+ int object_type_id = avio_r8(pb);
+ avio_r8(pb); /* stream type */
+ avio_rb24(pb); /* buffer size db */
+ avio_rb32(pb); /* max bitrate */
+ avio_rb32(pb); /* avg bitrate */
+
+ st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
+ av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
+ len = ff_mp4_read_descr(fc, pb, &tag);
+ if (tag == MP4DecSpecificDescrTag) {
+ av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
+ if (!len || (uint64_t)len > (1<<30))
+ return -1;
+ av_free(st->codec->extradata);
+ st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!st->codec->extradata)
+ return AVERROR(ENOMEM);
+ avio_read(pb, st->codec->extradata, len);
+ st->codec->extradata_size = len;
+ if (st->codec->codec_id == CODEC_ID_AAC) {
+ MPEG4AudioConfig cfg;
+ avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
+ st->codec->extradata_size * 8, 1);
+ st->codec->channels = cfg.channels;
+ if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
+ st->codec->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
+ else if (cfg.ext_sample_rate)
+ st->codec->sample_rate = cfg.ext_sample_rate;
+ else
+ st->codec->sample_rate = cfg.sample_rate;
+ av_dlog(fc, "mp4a config channels %d obj %d ext obj %d "
+ "sample rate %d ext sample rate %d\n", st->codec->channels,
+ cfg.object_type, cfg.ext_object_type,
+ cfg.sample_rate, cfg.ext_sample_rate);
+ if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
+ cfg.object_type)))
+ st->codec->codec_id = CODEC_ID_AAC;
+ }
+ }
+ return 0;
+}
projects / ffmpeg / blobdiff