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author | Zdenek Kabelac <kabi@informatics.muni.cz> | 2003-05-12 10:59:18 +0000 |
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committer | Zdenek Kabelac <kabi@informatics.muni.cz> | 2003-05-12 10:59:18 +0000 |
commit | 5ca1d879bb7a8f03f3e0e6ec8118012908a970bc (patch) | |
tree | 2a3589aeee6152dc23c71f32dedfad99d94754d9 /libavformat/mov.c | |
parent | 280bd7b7de2e05b695228fbeaa795fc8e4922b6c (diff) | |
download | ffmpeg-streaming-5ca1d879bb7a8f03f3e0e6ec8118012908a970bc.zip ffmpeg-streaming-5ca1d879bb7a8f03f3e0e6ec8118012908a970bc.tar.gz |
* support for AAC audio (esds decoding - using extradata)
* using MOV_atom_t instead of 3 args
* chunk parsers ordered alphabeticaly
Originally committed as revision 1858 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/mov.c')
-rw-r--r-- | libavformat/mov.c | 1026 |
1 files changed, 500 insertions, 526 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c index e420aa4..91e1162 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -25,9 +25,9 @@ /* * First version by Francois Revol revol@free.fr - * + * * Features and limitations: - * - reads most of the QT files I have (at least the structure), + * - reads most of the QT files I have (at least the structure), * the exceptions are .mov with zlib compressed headers ('cmov' section). It shouldn't be hard to implement. * FIXED, Francois Revol, 07/17/2002 * - ffmpeg has nearly none of the usual QuickTime codecs, @@ -37,10 +37,10 @@ * (to make .mov parser crash maybe ?), despite what they say in the MPEG FAQ at * http://mpeg.telecomitalialab.com/faq.htm * - the code is quite ugly... maybe I won't do it recursive next time :-) - * + * * Funny I didn't know about http://sourceforge.net/projects/qt-ffmpeg/ * when coding this :) (it's a writer anyway) - * + * * Reference documents: * http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt * Apple: @@ -55,34 +55,6 @@ /* in case you can't read a file, try commenting */ #define MOV_SPLIT_CHUNKS -#ifdef DEBUG -/* - * XXX: static sux, even more in a multithreaded environment... - * Avoid them. This is here just to help debugging. - */ -static int debug_indent = 0; -void print_atom(const char *str, uint32_t type, uint64_t offset, uint64_t size) -{ - unsigned int tag, i; - tag = (unsigned int) type; - i=debug_indent; - if(tag == 0) tag = MKTAG('N', 'U', 'L', 'L'); - while(i--) - printf("|"); - printf("parse:"); - printf(" %s: tag=%c%c%c%c offset=0x%x size=0x%x\n", - str, tag & 0xff, - (tag >> 8) & 0xff, - (tag >> 16) & 0xff, - (tag >> 24) & 0xff, - (unsigned int)offset, - (unsigned int)size); - assert((unsigned int)size < 0x7fffffff);// catching errors -} -#else -#define print_atom(a,b,c,d) -#endif - /* some streams in QT (and in MP4 mostly) aren't either video nor audio */ /* so we first list them as this, then clean up the list of streams we give back, */ /* getting rid of these */ @@ -117,13 +89,13 @@ static const CodecTag mov_video_tags[] = { { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */ /* { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, *//* AVID dv */ { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */ - { 0, 0 }, + { CODEC_ID_NONE, 0 }, }; static const CodecTag mov_audio_tags[] = { /* { CODEC_ID_PCM_S16BE, MKTAG('N', 'O', 'N', 'E') }, *//* uncompressed */ { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, /* 16 bits */ - { CODEC_ID_PCM_S8, MKTAG('t', 'w', 'o', 's') }, /* 8 bits */ + /* { CODEC_ID_PCM_S8, MKTAG('t', 'w', 'o', 's') },*/ /* 8 bits */ { CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') }, /* 8 bits unsigned */ { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, /* */ { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, /* */ @@ -137,9 +109,9 @@ static const CodecTag mov_audio_tags[] = { { CODEC_ID_MP2, 0x5500736D }, /* MPEG layer 3 *//* XXX: check endianness */ /* { CODEC_ID_OGG_VORBIS, MKTAG('O', 'g', 'g', 'S') }, *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */ /* MP4 tags */ -/* { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') }, *//* MPEG 4 AAC or audio ? */ - /* The standard for mpeg4 audio is still not normalised AFAIK anyway */ - { 0, 0 }, + { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') }, /* MPEG 4 AAC or audio ? */ + /* The standard for mpeg4 audio is still not normalised AFAIK anyway */ + { CODEC_ID_NONE, 0 }, }; /* the QuickTime file format is quite convoluted... @@ -154,6 +126,19 @@ typedef struct MOV_sample_to_chunk_tbl { } MOV_sample_to_chunk_tbl; typedef struct { + uint32_t type; + int64_t offset; + int64_t size; /* total size (excluding the size and type fields) */ +} MOV_atom_t; + +typedef struct { + int seed; + int flags; + int size; + void* clrs; +} MOV_ctab_t; + +typedef struct { uint8_t version; uint32_t flags; // 24bit @@ -220,8 +205,8 @@ typedef struct MOVStreamContext { long left_in_chunk; /* how many samples before next chunk */ /* specific MPEG4 header which is added at the beginning of the stream */ int header_len; - MOV_esds_t esds; uint8_t *header_data; + MOV_esds_t esds; } MOVStreamContext; typedef struct MOVContext { @@ -241,6 +226,8 @@ typedef struct MOVContext { int64_t next_chunk_offset; MOVStreamContext *partial; /* != 0 : there is still to read in the current chunk */ + int ctab_size; + MOV_ctab_t **ctab; /* color tables */ const struct MOVParseTableEntry *parse_table; /* could be eventually used to change the table */ /* NOTE: for recursion save to/ restore from local variable! */ } MOVContext; @@ -254,11 +241,7 @@ typedef struct MOVContext { 0: continue to parse next atom -1: error occured, exit */ -typedef int (*mov_parse_function)(MOVContext *ctx, - ByteIOContext *pb, - uint32_t atom_type, - int64_t atom_offset, /* after the size and type field (and eventually the extended size) */ - int64_t atom_size); /* total size (excluding the size and type fields) */ +typedef int (*mov_parse_function)(MOVContext *ctx, ByteIOContext *pb, MOV_atom_t atom); /* links atom IDs to parse functions */ typedef struct MOVParseTableEntry { @@ -266,79 +249,108 @@ typedef struct MOVParseTableEntry { mov_parse_function func; } MOVParseTableEntry; -static int parse_leaf(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) +#ifdef DEBUG +/* + * XXX: static sux, even more in a multithreaded environment... + * Avoid them. This is here just to help debugging. + */ +static int debug_indent = 0; +void print_atom(const char *str, MOV_atom_t atom) +{ + unsigned int tag, i; + tag = (unsigned int) atom.type; + i=debug_indent; + if(tag == 0) tag = MKTAG('N', 'U', 'L', 'L'); + while(i--) + printf("|"); + printf("parse:"); + printf(" %s: tag=%c%c%c%c offset=0x%x size=0x%x\n", + str, tag & 0xff, + (tag >> 8) & 0xff, + (tag >> 16) & 0xff, + (tag >> 24) & 0xff, + (unsigned int)atom.offset, + (unsigned int)atom.size); + assert((unsigned int)atom.size < 0x7fffffff);// catching errors +} +#else +#define print_atom(a,b) +#endif + + +static int mov_read_leaf(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) { - print_atom("leaf", atom_type, atom_offset, atom_size); + print_atom("leaf", atom); - if(atom_size>1) - url_fskip(pb, atom_size); -/* url_seek(pb, atom_offset+atom_size, SEEK_SET); */ + if (atom.size>1) + url_fskip(pb, atom.size); +/* url_seek(pb, atom_offset+atom.size, SEEK_SET); */ return 0; } -static int parse_default(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) +static int mov_read_default(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) { - uint32_t type, foo=0; - uint64_t offset, size; int64_t total_size = 0; + MOV_atom_t a; int i; int err = 0; - foo=0; + #ifdef DEBUG - print_atom("default", atom_type, atom_offset, atom_size); + print_atom("default", atom); debug_indent++; #endif - offset = atom_offset; + a.offset = atom.offset; - if(atom_size < 0) - atom_size = 0x0FFFFFFFFFFFFFFF; - while(((total_size + 8) < atom_size) && !url_feof(pb) && !err) { - size=atom_size; - type=0L; - if(atom_size >= 8) { - size = get_be32(pb); - type = get_le32(pb); + if(atom.size < 0) + atom.size = 0x0FFFFFFFFFFFFFFF; + while(((total_size + 8) < atom.size) && !url_feof(pb) && !err) { + a.size = atom.size; + a.type=0L; + if(atom.size >= 8) { + a.size = get_be32(pb); + a.type = get_le32(pb); } total_size += 8; - offset += 8; - //printf("type: %08x %.4s sz: %Lx %Lx %Lx\n", type, (char*)&type, size, atom_size, total_size); - if(size == 1) { /* 64 bit extended size */ - size = get_be64(pb) - 8; - offset+=8; - total_size+=8; + a.offset += 8; + //printf("type: %08x %.4s sz: %Lx %Lx %Lx\n", type, (char*)&type, size, atom.size, total_size); + if (a.size == 1) { /* 64 bit extended size */ + a.size = get_be64(pb) - 8; + a.offset += 8; + total_size += 8; } - if(size == 0) { - size = atom_size - total_size; - if (size <= 8) + if (a.size == 0) { + a.size = atom.size - total_size; + if (a.size <= 8) break; } - for (i=0; c->parse_table[i].type != 0L && c->parse_table[i].type != type; i++) + for (i = 0; c->parse_table[i].type != 0L + && c->parse_table[i].type != a.type; i++) /* empty */; - size -= 8; + a.size -= 8; // printf(" i=%ld\n", i); if (c->parse_table[i].type == 0) { /* skip leaf atoms data */ -// url_seek(pb, atom_offset+atom_size, SEEK_SET); +// url_seek(pb, atom.offset+atom.size, SEEK_SET); #ifdef DEBUG - print_atom("unknown", type, offset, size); + print_atom("unknown", a); #endif - url_fskip(pb, size); + url_fskip(pb, a.size); } else { #ifdef DEBUG //char b[5] = { type & 0xff, (type >> 8) & 0xff, (type >> 16) & 0xff, (type >> 24) & 0xff, 0 }; //print_atom(b, type, offset, size); #endif - err = (c->parse_table[i].func)(c, pb, type, offset, size); + err = (c->parse_table[i].func)(c, pb, a); } - offset+=size; - total_size+=size; + a.offset += a.size; + total_size += a.size; } - if (!err && total_size < atom_size && atom_size < 0x7ffff) { - printf("RESET %Ld %Ld err:%d\n", atom_size, total_size, err); - url_fskip(pb, atom_size - total_size); + if (!err && total_size < atom.size && atom.size < 0x7ffff) { + //printf("RESET %Ld %Ld err:%d\n", atom.size, total_size, err); + url_fskip(pb, atom.size - total_size); } #ifdef DEBUG @@ -347,211 +359,35 @@ static int parse_default(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, i return err; } -static int parse_ctab(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) -{ - url_fskip(pb, atom_size); // for now - return 0; -} - -static int parse_mvhd(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) +static int mov_read_ctab(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) { - print_atom("mvhd", atom_type, atom_offset, atom_size); - - get_byte(pb); /* version */ - get_byte(pb); get_byte(pb); get_byte(pb); /* flags */ - - get_be32(pb); /* creation time */ - get_be32(pb); /* modification time */ - c->time_scale = get_be32(pb); /* time scale */ -#ifdef DEBUG - printf("time scale = %i\n", c->time_scale); -#endif - c->duration = get_be32(pb); /* duration */ - get_be32(pb); /* preferred scale */ - - get_be16(pb); /* preferred volume */ - - url_fskip(pb, 10); /* reserved */ - - url_fskip(pb, 36); /* display matrix */ - - get_be32(pb); /* preview time */ - get_be32(pb); /* preview duration */ - get_be32(pb); /* poster time */ - get_be32(pb); /* selection time */ - get_be32(pb); /* selection duration */ - get_be32(pb); /* current time */ - get_be32(pb); /* next track ID */ - - return 0; -} - -/* this atom should contain all header atoms */ -static int parse_moov(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) -{ - int err; - - print_atom("moov", atom_type, atom_offset, atom_size); - - err = parse_default(c, pb, atom_type, atom_offset, atom_size); - /* we parsed the 'moov' atom, we can terminate the parsing as soon as we find the 'mdat' */ - /* so we don't parse the whole file if over a network */ - c->found_moov=1; - if(c->found_mdat) - return 1; /* found both, just go */ - return 0; /* now go for mdat */ -} - -/* this atom contains actual media data */ -static int parse_mdat(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) -{ - print_atom("mdat", atom_type, atom_offset, atom_size); - - if(atom_size == 0) /* wrong one (MP4) */ - return 0; - c->found_mdat=1; - c->mdat_offset = atom_offset; - c->mdat_size = atom_size; - if(c->found_moov) - return 1; /* found both, just go */ - url_fskip(pb, atom_size); - return 0; /* now go for moov */ -} - -/* this atom should be null (from specs), but some buggy files put the 'moov' atom inside it... */ -/* like the files created with Adobe Premiere 5.0, for samples see */ -/* http://graphics.tudelft.nl/~wouter/publications/soundtests/ */ -static int parse_wide(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) -{ - int err; - uint32_t type; - -#ifdef DEBUG - print_atom("wide", atom_type, atom_offset, atom_size); - debug_indent++; -#endif - if (atom_size < 8) - return 0; /* continue */ - if (get_be32(pb) != 0) { /* 0 sized mdat atom... use the 'wide' atom size */ - url_fskip(pb, atom_size - 4); - return 0; + unsigned int len; + MOV_ctab_t *t; + //url_fskip(pb, atom.size); // for now + c->ctab = av_realloc(c->ctab, ++c->ctab_size); + t = c->ctab[c->ctab_size]; + t->seed = get_be32(pb); + t->flags = get_be16(pb); + t->size = get_be16(pb) + 1; + len = 2 * t->size * 4; + if (len > 0) { + t->clrs = av_malloc(len); // 16bit A R G B + if (t->clrs) + get_buffer(pb, t->clrs, len); } - type = get_le32(pb); - if (type != MKTAG('m', 'd', 'a', 't')) { - url_fskip(pb, atom_size - 8); - return 0; - } - err = parse_mdat(c, pb, type, atom_offset + 8, atom_size - 8); -#ifdef DEBUG - debug_indent--; -#endif - return err; -} - -static int parse_trak(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) -{ - AVStream *st; - MOVStreamContext *sc; - - print_atom("trak", atom_type, atom_offset, atom_size); - - st = av_new_stream(c->fc, c->fc->nb_streams); - if (!st) return -2; - sc = (MOVStreamContext*) av_mallocz(sizeof(MOVStreamContext)); - if (!sc) { - av_free(st); - return -1; - } - - sc->sample_to_chunk_index = -1; - st->priv_data = sc; - st->codec.codec_type = CODEC_TYPE_MOV_OTHER; - st->time_length = (c->duration * 1000) / c->time_scale; // time in miliseconds - c->streams[c->fc->nb_streams-1] = sc; - return parse_default(c, pb, atom_type, atom_offset, atom_size); -} - -static int parse_tkhd(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) -{ - AVStream *st; - - print_atom("tkhd", atom_type, atom_offset, atom_size); - - st = c->fc->streams[c->fc->nb_streams-1]; - - get_byte(pb); /* version */ - - get_byte(pb); get_byte(pb); - get_byte(pb); /* flags */ - /* - MOV_TRACK_ENABLED 0x0001 - MOV_TRACK_IN_MOVIE 0x0002 - MOV_TRACK_IN_PREVIEW 0x0004 - MOV_TRACK_IN_POSTER 0x0008 - */ - - get_be32(pb); /* creation time */ - get_be32(pb); /* modification time */ - st->id = (int)get_be32(pb); /* track id (NOT 0 !)*/ - get_be32(pb); /* reserved */ - st->time_length = get_be32(pb) * 1000 / c->time_scale; /* duration */ - get_be32(pb); /* reserved */ - get_be32(pb); /* reserved */ - - get_be16(pb); /* layer */ - get_be16(pb); /* alternate group */ - get_be16(pb); /* volume */ - get_be16(pb); /* reserved */ - - url_fskip(pb, 36); /* display matrix */ - - /* those are fixed-point */ - st->codec.width = get_be32(pb) >> 16; /* track width */ - st->codec.height = get_be32(pb) >> 16; /* track height */ - - return 0; -} - -static int parse_mdhd(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) -{ - AVStream *st; - - print_atom("mdhd", atom_type, atom_offset, atom_size); - - st = c->fc->streams[c->fc->nb_streams-1]; - - get_byte(pb); /* version */ - - get_byte(pb); get_byte(pb); - get_byte(pb); /* flags */ - - get_be32(pb); /* creation time */ - get_be32(pb); /* modification time */ - - c->streams[c->total_streams]->time_scale = get_be32(pb); - -#ifdef DEBUG - printf("track[%i].time_scale = %i\n", c->fc->nb_streams-1, c->streams[c->total_streams]->time_scale); /* time scale */ -#endif - get_be32(pb); /* duration */ - - get_be16(pb); /* language */ - get_be16(pb); /* quality */ return 0; } -static int parse_hdlr(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) +static int mov_read_hdlr(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) { + AVStream *st = c->fc->streams[c->fc->nb_streams-1]; int len = 0; uint8_t *buf; uint32_t type; - AVStream *st; uint32_t ctype; - print_atom("hdlr", atom_type, atom_offset, atom_size); - - st = c->fc->streams[c->fc->nb_streams-1]; + print_atom("hdlr", atom); get_byte(pb); /* version */ get_byte(pb); get_byte(pb); get_byte(pb); /* flags */ @@ -602,76 +438,50 @@ static int parse_hdlr(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int6 get_be32(pb); /* component flags */ get_be32(pb); /* component flags mask */ - if(atom_size <= 24) + if(atom.size <= 24) return 0; /* nothing left to read */ /* XXX: MP4 uses a C string, not a pascal one */ /* component name */ if(c->mp4) { /* .mp4: C string */ - while(get_byte(pb) && (++len < (atom_size - 24))); + while(get_byte(pb) && (++len < (atom.size - 24))); } else { /* .mov: PASCAL string */ len = get_byte(pb); +#ifdef DEBUG buf = (uint8_t*) av_malloc(len+1); if (buf) { get_buffer(pb, buf, len); -#ifdef DEBUG buf[len] = '\0'; printf("**buf='%s'\n", buf); -#endif av_free(buf); } else - url_fskip(pb, len); - } -#if 0 - len = get_byte(pb); - /* XXX: use a better heuristic */ - if(len < 32) { - /* assume that it is a Pascal like string */ - buf = av_malloc(len+1); - if (buf) { - get_buffer(pb, buf, len); - buf[len] = '\0'; -#ifdef DEBUG - printf("**buf='%s'\n", buf); #endif - av_free(buf); - } else - url_fskip(pb, len)l - } else { - /* MP4 string */ - for(;;) { - if (len == 0) - break; - len = get_byte(pb); - } + url_fskip(pb, len); } -#endif return 0; } -static int mp4_read_descr_len(ByteIOContext *pb) +static int mov_mp4_read_descr_len(ByteIOContext *pb) { int len = 0; - int count = 0; - for(;;) { + int count = 4; + while (count--) { int c = get_byte(pb); len = (len << 7) | (c & 0x7f); - if ((c & 0x80) == 0) - break; - if (++count == 4) - break; + if (!(c & 0x80)) + break; } return len; } -static int mp4_read_descr(ByteIOContext *pb, int *tag) +static int mov_mp4_read_descr(ByteIOContext *pb, int *tag) { int len; *tag = get_byte(pb); - len = mp4_read_descr_len(pb); + len = mov_mp4_read_descr_len(pb); #ifdef DEBUG printf("MPEG4 description: tag=0x%02x len=%d\n", *tag, len); #endif @@ -687,61 +497,188 @@ static inline unsigned int get_be24(ByteIOContext *s) return val; } -static int parse_esds(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) +static int mov_read_esds(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) { - - int64_t start_pos = url_ftell(pb); AVStream *st = c->fc->streams[c->fc->nb_streams-1]; MOVStreamContext *sc = (MOVStreamContext *)st->priv_data; + int64_t start_pos = url_ftell(pb); int tag, len; - print_atom("esds", atom_type, atom_offset, atom_size); + print_atom("esds", atom); /* Well, broken but suffisant for some MP4 streams */ get_be32(pb); /* version + flags */ - len = mp4_read_descr(pb, &tag); + len = mov_mp4_read_descr(pb, &tag); if (tag == MP4ESDescrTag) { get_be16(pb); /* ID */ get_byte(pb); /* priority */ } else get_be16(pb); /* ID */ - len = mp4_read_descr(pb, &tag); + len = mov_mp4_read_descr(pb, &tag); if (tag == MP4DecConfigDescrTag) { sc->esds.object_type_id = get_byte(pb); - sc->esds.stream_type = get_be24(pb); + sc->esds.stream_type = get_byte(pb); + sc->esds.buffer_size_db = get_be24(pb); sc->esds.max_bitrate = get_be32(pb); sc->esds.avg_bitrate = get_be32(pb); - len = mp4_read_descr(pb, &tag); - printf("LEN %d TAG %d m:%d a:%d\n", len, tag, sc->esds.max_bitrate, sc->esds.avg_bitrate); + len = mov_mp4_read_descr(pb, &tag); + //printf("LEN %d TAG %d m:%d a:%d\n", len, tag, sc->esds.max_bitrate, sc->esds.avg_bitrate); if (tag == MP4DecSpecificDescrTag) { #ifdef DEBUG printf("Specific MPEG4 header len=%d\n", len); #endif - sc->header_data = (uint8_t*) av_mallocz(len); - if (sc->header_data) { - get_buffer(pb, sc->header_data, len); - sc->header_len = len; + st->codec.extradata = (uint8_t*) av_mallocz(len); + if (st->codec.extradata) { + get_buffer(pb, st->codec.extradata, len); + st->codec.extradata_size = len; } } } /* in any case, skip garbage */ - url_fskip(pb, (atom_size - 8) - ((url_ftell(pb) - start_pos))); + url_fskip(pb, atom.size - ((url_ftell(pb) - start_pos))); return 0; } -static int parse_stsd(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) +/* this atom contains actual media data */ +static int mov_read_mdat(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) { - int entries, size, frames_per_sample; - uint32_t format; - AVStream *st; - MOVStreamContext *sc; + print_atom("mdat", atom); + + if(atom.size == 0) /* wrong one (MP4) */ + return 0; + c->found_mdat=1; + c->mdat_offset = atom.offset; + c->mdat_size = atom.size; + if(c->found_moov) + return 1; /* found both, just go */ + url_fskip(pb, atom.size); + return 0; /* now go for moov */ +} + +/* this atom should contain all header atoms */ +static int mov_read_moov(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) +{ + int err; - print_atom("stsd", atom_type, atom_offset, atom_size); + print_atom("moov", atom); - st = c->fc->streams[c->fc->nb_streams-1]; - sc = (MOVStreamContext *)st->priv_data; + err = mov_read_default(c, pb, atom); + /* we parsed the 'moov' atom, we can terminate the parsing as soon as we find the 'mdat' */ + /* so we don't parse the whole file if over a network */ + c->found_moov=1; + if(c->found_mdat) + return 1; /* found both, just go */ + return 0; /* now go for mdat */ +} + + +static int mov_read_mdhd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) +{ + AVStream *st = c->fc->streams[c->fc->nb_streams-1]; + + print_atom("mdhd", atom); + + get_byte(pb); /* version */ + + get_byte(pb); get_byte(pb); + get_byte(pb); /* flags */ + + get_be32(pb); /* creation time */ + get_be32(pb); /* modification time */ + + c->streams[c->total_streams]->time_scale = get_be32(pb); + +#ifdef DEBUG + printf("track[%i].time_scale = %i\n", c->fc->nb_streams-1, c->streams[c->total_streams]->time_scale); /* time scale */ +#endif + get_be32(pb); /* duration */ + + get_be16(pb); /* language */ + get_be16(pb); /* quality */ + + return 0; +} + +static int mov_read_mvhd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) +{ + print_atom("mvhd", atom); + + get_byte(pb); /* version */ + get_byte(pb); get_byte(pb); get_byte(pb); /* flags */ + + get_be32(pb); /* creation time */ + get_be32(pb); /* modification time */ + c->time_scale = get_be32(pb); /* time scale */ +#ifdef DEBUG + printf("time scale = %i\n", c->time_scale); +#endif + c->duration = get_be32(pb); /* duration */ + get_be32(pb); /* preferred scale */ + + get_be16(pb); /* preferred volume */ + + url_fskip(pb, 10); /* reserved */ + + url_fskip(pb, 36); /* display matrix */ + + get_be32(pb); /* preview time */ + get_be32(pb); /* preview duration */ + get_be32(pb); /* poster time */ + get_be32(pb); /* selection time */ + get_be32(pb); /* selection duration */ + get_be32(pb); /* current time */ + get_be32(pb); /* next track ID */ + + return 0; +} + + +static int mov_read_stco(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) +{ + AVStream *st = c->fc->streams[c->fc->nb_streams-1]; + MOVStreamContext *sc = (MOVStreamContext *)st->priv_data; + int entries, i; + + print_atom("stco", atom); + + get_byte(pb); /* version */ + get_byte(pb); get_byte(pb); get_byte(pb); /* flags */ + + entries = get_be32(pb); + sc->chunk_count = entries; + sc->chunk_offsets = (int64_t*) av_malloc(entries * sizeof(int64_t)); + if (!sc->chunk_offsets) + return -1; + if (atom.type == MKTAG('s', 't', 'c', 'o')) { + for(i=0; i<entries; i++) { + sc->chunk_offsets[i] = get_be32(pb); + } + } else if (atom.type == MKTAG('c', 'o', '6', '4')) { + for(i=0; i<entries; i++) { + sc->chunk_offsets[i] = get_be64(pb); + } + } else + return -1; +#ifdef DEBUG +/* + for(i=0; i<entries; i++) { + printf("chunk offset=0x%Lx\n", sc->chunk_offsets[i]); + } +*/ +#endif + return 0; +} + +static int mov_read_stsd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) +{ + AVStream *st = c->fc->streams[c->fc->nb_streams-1]; + MOVStreamContext *sc = (MOVStreamContext *)st->priv_data; + int entries, frames_per_sample; + uint32_t format; + + print_atom("stsd", atom); get_byte(pb); /* version */ get_byte(pb); get_byte(pb); get_byte(pb); /* flags */ @@ -750,7 +687,7 @@ static int parse_stsd(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int6 while(entries--) { enum CodecID id; - size = get_be32(pb); /* size */ + int size = get_be32(pb); /* size */ format = get_le32(pb); /* data format */ get_be32(pb); /* reserved */ @@ -775,8 +712,9 @@ static int parse_stsd(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int6 st->codec.codec_type); #endif st->codec.codec_tag = format; - if(st->codec.codec_type==CODEC_TYPE_VIDEO) { - st->codec.codec_id = codec_get_id(mov_video_tags, format); + if(st->codec.codec_type==CODEC_TYPE_VIDEO) { + MOV_atom_t a = { 0, 0, 0 }; + st->codec.codec_id = id; get_be16(pb); /* version */ get_be16(pb); /* revision level */ get_be32(pb); /* vendor */ @@ -807,38 +745,37 @@ static int parse_stsd(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int6 st->codec.frame_rate = 25; st->codec.frame_rate_base = 1; - size -= (16+8*4+2+32+2*2); + size -= (16+8*4+2+32+2*2); #if 0 while (size >= 8) { - int atom_size, atom_type; + MOV_atom_t a; int64_t start_pos; - atom_size = get_be32(pb); - atom_type = get_le32(pb); + a.size = get_be32(pb); + a.type = get_le32(pb); size -= 8; - printf("NEWSIZE %d\n", size); #ifdef DEBUG - printf("VIDEO: atom_type=%c%c%c%c atom_size=%d size_left=%d\n", - (atom_type >> 0) & 0xff, - (atom_type >> 8) & 0xff, - (atom_type >> 16) & 0xff, - (atom_type >> 24) & 0xff, - atom_size, size); + printf("VIDEO: atom_type=%c%c%c%c atom.size=%Ld size_left=%d\n", + (a.type >> 0) & 0xff, + (a.type >> 8) & 0xff, + (a.type >> 16) & 0xff, + (a.type >> 24) & 0xff, + a.size, size); #endif start_pos = url_ftell(pb); - switch(atom_type) { + switch(a.type) { case MKTAG('e', 's', 'd', 's'): { int tag, len; /* Well, broken but suffisant for some MP4 streams */ get_be32(pb); /* version + flags */ - len = mp4_read_descr(pb, &tag); + len = mov_mp4_read_descr(pb, &tag); if (tag == 0x03) { /* MP4ESDescrTag */ get_be16(pb); /* ID */ get_byte(pb); /* priority */ - len = mp4_read_descr(pb, &tag); + len = mov_mp4_read_descr(pb, &tag); if (tag != 0x04) goto fail; /* MP4DecConfigDescrTag */ @@ -866,12 +803,11 @@ static int parse_stsd(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int6 break; } fail: - printf("ATOMENEWSIZE %d %d\n", atom_size, url_ftell(pb) - start_pos); - if (atom_size > 8) { - url_fskip(pb, (atom_size - 8) - + printf("ATOMENEWSIZE %Ld %d\n", atom.size, url_ftell(pb) - start_pos); + if (atom.size > 8) { + url_fskip(pb, (atom.size - 8) - ((url_ftell(pb) - start_pos))); - size -= atom_size - 8; - printf("NEWSIZE %d\n", size); + size -= atom.size - 8; } } if (size > 0) { @@ -879,15 +815,16 @@ static int parse_stsd(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int6 url_fskip(pb, size); } #else - parse_default(c, pb, 0L, 0LL, size); + a.size = size; + mov_read_default(c, pb, a); #endif } else { get_be16(pb); /* version */ get_be16(pb); /* revision level */ get_be32(pb); /* vendor */ - st->codec.channels = get_be16(pb);/* channel count */ - st->codec.bits_per_sample = get_be16(pb); /* sample size */ + st->codec.channels = get_be16(pb); /* channel count */ + st->codec.bits_per_sample = get_be16(pb); /* sample size */ st->codec.codec_id = codec_get_id(mov_audio_tags, format); /* handle specific s8 codec */ @@ -895,7 +832,7 @@ static int parse_stsd(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int6 get_be16(pb); /* packet size = 0 */ st->codec.sample_rate = ((get_be32(pb) >> 16)); - printf("CODECID %d %d %.4s\n", st->codec.codec_id, CODEC_ID_PCM_S16BE, (char*)&format); + //printf("CODECID %d %d %.4s\n", st->codec.codec_id, CODEC_ID_PCM_S16BE, (char*)&format); switch (st->codec.codec_id) { case CODEC_ID_PCM_S16BE: @@ -913,86 +850,23 @@ static int parse_stsd(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int6 get_be32(pb); /* bytes per frame */ get_be32(pb); /* bytes per sample */ - //if (size > 16) url_fskip(pb, size-(16+20)); -#if 1 - if (size >= 44 + 8) { - int fcc; - st->codec.extradata_size = get_be32(pb) - 8; - fcc = get_le32(pb); // evaw - //printf("%x %.4s %d\n", fcc, (char*)&fcc, st->codec.extradata_size); - st->codec.extradata = av_mallocz(st->codec.extradata_size); - if (st->codec.extradata) - get_buffer(pb, st->codec.extradata, st->codec.extradata_size); // FIXME url_fskip - url_fskip(pb, size-(16 + 20 + 16 + 8 + st->codec.extradata_size)); + { + MOV_atom_t a = { format, url_ftell(pb), size - (16 + 20 + 16 + 8) }; + mov_read_default(c, pb, a); } - else - url_fskip(pb, size-(16 + 20 + 16)); -#else - parse_default(c, pb, 0L, 0LL, size - (16 + 20 + 16 + 8)); -#endif } } -/* - if(len) { - buf = av_malloc(len+1); - get_buffer(pb, buf, len); - buf[len] = '\0'; - puts(buf); - av_free(buf); - } -*/ - return 0; -} - -static int parse_stco(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) -{ - int entries, i; - AVStream *st; - MOVStreamContext *sc; - - print_atom("stco", atom_type, atom_offset, atom_size); - - st = c->fc->streams[c->fc->nb_streams-1]; - sc = (MOVStreamContext *)st->priv_data; - get_byte(pb); /* version */ - get_byte(pb); get_byte(pb); get_byte(pb); /* flags */ - - entries = get_be32(pb); - sc->chunk_count = entries; - sc->chunk_offsets = (int64_t*) av_malloc(entries * sizeof(int64_t)); - if (!sc->chunk_offsets) - return -1; - if(atom_type == MKTAG('s', 't', 'c', 'o')) { - for(i=0; i<entries; i++) { - sc->chunk_offsets[i] = get_be32(pb); - } - } else if(atom_type == MKTAG('c', 'o', '6', '4')) { - for(i=0; i<entries; i++) { - sc->chunk_offsets[i] = get_be64(pb); - } - } else - return -1; -#ifdef DEBUG -/* - for(i=0; i<entries; i++) { - printf("chunk offset=0x%Lx\n", sc->chunk_offsets[i]); - } -*/ -#endif return 0; } -static int parse_stsc(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) +static int mov_read_stsc(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) { + AVStream *st = c->fc->streams[c->fc->nb_streams-1]; + MOVStreamContext *sc = (MOVStreamContext *)st->priv_data; int entries, i; - AVStream *st; - MOVStreamContext *sc; - - print_atom("stsc", atom_type, atom_offset, atom_size); - st = c->fc->streams[c->fc->nb_streams-1]; - sc = (MOVStreamContext *)st->priv_data; + print_atom("stsc", atom); get_byte(pb); /* version */ get_byte(pb); get_byte(pb); get_byte(pb); /* flags */ @@ -1016,16 +890,13 @@ printf("track[%i].stsc.entries = %i\n", c->fc->nb_streams-1, entries); return 0; } -static int parse_stsz(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) +static int mov_read_stsz(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) { + AVStream *st = c->fc->streams[c->fc->nb_streams-1]; + MOVStreamContext *sc = (MOVStreamContext *)st->priv_data; int entries, i; - AVStream *st; - MOVStreamContext *sc; - - print_atom("stsz", atom_type, atom_offset, atom_size); - st = c->fc->streams[c->fc->nb_streams-1]; - sc = (MOVStreamContext *)st->priv_data; + print_atom("stsz", atom); get_byte(pb); /* version */ get_byte(pb); get_byte(pb); get_byte(pb); /* flags */ @@ -1050,16 +921,13 @@ static int parse_stsz(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int6 return 0; } -static int parse_stts(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) +static int mov_read_stts(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) { + AVStream *st = c->fc->streams[c->fc->nb_streams-1]; + MOVStreamContext *sc = (MOVStreamContext *)st->priv_data; int entries, i; - AVStream *st; - MOVStreamContext *sc; - - print_atom("stts", atom_type, atom_offset, atom_size); - st = c->fc->streams[c->fc->nb_streams-1]; - sc = (MOVStreamContext *)st->priv_data; + print_atom("stts", atom); get_byte(pb); /* version */ get_byte(pb); get_byte(pb); get_byte(pb); /* flags */ @@ -1084,13 +952,111 @@ printf("track[%i].stts.entries = %i\n", c->fc->nb_streams-1, entries); return 0; } +static int mov_read_trak(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) +{ + AVStream *st; + MOVStreamContext *sc; + + print_atom("trak", atom); + + st = av_new_stream(c->fc, c->fc->nb_streams); + if (!st) return -2; + sc = (MOVStreamContext*) av_mallocz(sizeof(MOVStreamContext)); + if (!sc) { + av_free(st); + return -1; + } + + sc->sample_to_chunk_index = -1; + st->priv_data = sc; + st->codec.codec_type = CODEC_TYPE_MOV_OTHER; + st->time_length = (c->duration * 1000) / c->time_scale; // time in miliseconds + c->streams[c->fc->nb_streams-1] = sc; + + return mov_read_default(c, pb, atom); +} + +static int mov_read_tkhd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) +{ + AVStream *st; + + print_atom("tkhd", atom); + + st = c->fc->streams[c->fc->nb_streams-1]; + + get_byte(pb); /* version */ + + get_byte(pb); get_byte(pb); + get_byte(pb); /* flags */ + /* + MOV_TRACK_ENABLED 0x0001 + MOV_TRACK_IN_MOVIE 0x0002 + MOV_TRACK_IN_PREVIEW 0x0004 + MOV_TRACK_IN_POSTER 0x0008 + */ + + get_be32(pb); /* creation time */ + get_be32(pb); /* modification time */ + st->id = (int)get_be32(pb); /* track id (NOT 0 !)*/ + get_be32(pb); /* reserved */ + st->time_length = get_be32(pb) * 1000 / c->time_scale; /* duration */ + get_be32(pb); /* reserved */ + get_be32(pb); /* reserved */ + + get_be16(pb); /* layer */ + get_be16(pb); /* alternate group */ + get_be16(pb); /* volume */ + get_be16(pb); /* reserved */ + + url_fskip(pb, 36); /* display matrix */ + + /* those are fixed-point */ + st->codec.width = get_be32(pb) >> 16; /* track width */ + st->codec.height = get_be32(pb) >> 16; /* track height */ + + return 0; +} + +/* this atom should be null (from specs), but some buggy files put the 'moov' atom inside it... */ +/* like the files created with Adobe Premiere 5.0, for samples see */ +/* http://graphics.tudelft.nl/~wouter/publications/soundtests/ */ +static int mov_read_wide(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) +{ + int err; + uint32_t type; + +#ifdef DEBUG + print_atom("wide", atom); + debug_indent++; +#endif + if (atom.size < 8) + return 0; /* continue */ + if (get_be32(pb) != 0) { /* 0 sized mdat atom... use the 'wide' atom size */ + url_fskip(pb, atom.size - 4); + return 0; + } + atom.type = get_le32(pb); + atom.offset += 8; + atom.size -= 8; + if (type != MKTAG('m', 'd', 'a', 't')) { + url_fskip(pb, atom.size); + return 0; + } + err = mov_read_mdat(c, pb, atom); +#ifdef DEBUG + debug_indent--; +#endif + return err; +} + + #ifdef CONFIG_ZLIB static int null_read_packet(void *opaque, uint8_t *buf, int buf_size) { return -1; } -static int parse_cmov(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int64_t atom_offset, int64_t atom_size) +static int mov_read_cmov(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) { ByteIOContext ctx; uint8_t *cmov_data; @@ -1098,20 +1064,20 @@ static int parse_cmov(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int6 long cmov_len, moov_len; int ret; - print_atom("cmov", atom_type, atom_offset, atom_size); + print_atom("cmov", atom); get_be32(pb); /* dcom atom */ if (get_le32(pb) != MKTAG( 'd', 'c', 'o', 'm' )) return -1; if (get_le32(pb) != MKTAG( 'z', 'l', 'i', 'b' )) { - puts("unknown compression for cmov atom !"); + dprintf("unknown compression for cmov atom !"); return -1; } get_be32(pb); /* cmvd atom */ if (get_le32(pb) != MKTAG( 'c', 'm', 'v', 'd' )) return -1; moov_len = get_be32(pb); /* uncompressed size */ - cmov_len = atom_size - 6 * 4; + cmov_len = atom.size - 6 * 4; cmov_data = (uint8_t *) av_malloc(cmov_len); if (!cmov_data) @@ -1127,7 +1093,10 @@ static int parse_cmov(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int6 if(init_put_byte(&ctx, moov_data, moov_len, 0, NULL, null_read_packet, NULL, NULL) != 0) return -1; ctx.buf_end = ctx.buffer + moov_len; - ret = parse_default(c, &ctx, MKTAG( 'm', 'o', 'o', 'v' ), 0, moov_len); + atom.type = MKTAG( 'm', 'o', 'o', 'v' ); + atom.offset = 0; + atom.size = moov_len; + ret = mov_read_default(c, &ctx, atom); av_free(moov_data); av_free(cmov_data); return ret; @@ -1136,78 +1105,79 @@ static int parse_cmov(MOVContext *c, ByteIOContext *pb, uint32_t atom_type, int6 static const MOVParseTableEntry mov_default_parse_table[] = { /* mp4 atoms */ -{ MKTAG( 'm', 'p', '4', 'a' ), parse_default }, -{ MKTAG( 'c', 'o', '6', '4' ), parse_stco }, -{ MKTAG( 's', 't', 'c', 'o' ), parse_stco }, -{ MKTAG( 'c', 'r', 'h', 'd' ), parse_default }, -{ MKTAG( 'c', 't', 't', 's' ), parse_leaf }, -{ MKTAG( 'c', 'p', 'r', 't' ), parse_default }, -{ MKTAG( 'u', 'r', 'l', ' ' ), parse_leaf }, -{ MKTAG( 'u', 'r', 'n', ' ' ), parse_leaf }, -{ MKTAG( 'd', 'i', 'n', 'f' ), parse_default }, -{ MKTAG( 'd', 'r', 'e', 'f' ), parse_leaf }, -{ MKTAG( 's', 't', 'd', 'p' ), parse_default }, -{ MKTAG( 'e', 'd', 't', 's' ), parse_default }, -{ MKTAG( 'e', 'l', 's', 't' ), parse_leaf }, -{ MKTAG( 'u', 'u', 'i', 'd' ), parse_default }, -{ MKTAG( 'f', 'r', 'e', 'e' ), parse_leaf }, -{ MKTAG( 'h', 'd', 'l', 'r' ), parse_hdlr }, -{ MKTAG( 'h', 'm', 'h', 'd' ), parse_leaf }, -{ MKTAG( 'h', 'i', 'n', 't' ), parse_leaf }, -{ MKTAG( 'n', 'm', 'h', 'd' ), parse_leaf }, -{ MKTAG( 'm', 'p', '4', 's' ), parse_default }, -{ MKTAG( 'm', 'd', 'i', 'a' ), parse_default }, -{ MKTAG( 'm', 'd', 'a', 't' ), parse_mdat }, -{ MKTAG( 'm', 'd', 'h', 'd' ), parse_mdhd }, -{ MKTAG( 'm', 'i', 'n', 'f' ), parse_default }, -{ MKTAG( 'm', 'o', 'o', 'v' ), parse_moov }, -{ MKTAG( 'm', 'v', 'h', 'd' ), parse_mvhd }, -{ MKTAG( 'i', 'o', 'd', 's' ), parse_leaf }, -{ MKTAG( 'o', 'd', 'h', 'd' ), parse_default }, -{ MKTAG( 'm', 'p', 'o', 'd' ), parse_leaf }, -{ MKTAG( 's', 't', 's', 'd' ), parse_stsd }, -{ MKTAG( 's', 't', 's', 'z' ), parse_stsz }, -{ MKTAG( 's', 't', 'b', 'l' ), parse_default }, -{ MKTAG( 's', 't', 's', 'c' ), parse_stsc }, -{ MKTAG( 's', 'd', 'h', 'd' ), parse_default }, -{ MKTAG( 's', 't', 's', 'h' ), parse_default }, -{ MKTAG( 's', 'k', 'i', 'p' ), parse_default }, -{ MKTAG( 's', 'm', 'h', 'd' ), parse_leaf }, -{ MKTAG( 'd', 'p', 'n', 'd' ), parse_leaf }, -{ MKTAG( 's', 't', 's', 's' ), parse_leaf }, -{ MKTAG( 's', 't', 't', 's' ), parse_stts }, -{ MKTAG( 't', 'r', 'a', 'k' ), parse_trak }, -{ MKTAG( 't', 'k', 'h', 'd' ), parse_tkhd }, -{ MKTAG( 't', 'r', 'e', 'f' ), parse_default }, /* not really */ -{ MKTAG( 'u', 'd', 't', 'a' ), parse_leaf }, -{ MKTAG( 'v', 'm', 'h', 'd' ), parse_leaf }, -{ MKTAG( 'm', 'p', '4', 'v' ), parse_default }, +{ MKTAG( 'c', 'o', '6', '4' ), mov_read_stco }, +{ MKTAG( 'c', 'p', 'r', 't' ), mov_read_default }, +{ MKTAG( 'c', 'r', 'h', 'd' ), mov_read_default }, +{ MKTAG( 'c', 't', 't', 's' ), mov_read_leaf }, /* composition time to sample */ +{ MKTAG( 'd', 'i', 'n', 'f' ), mov_read_default }, /* data information */ +{ MKTAG( 'd', 'p', 'n', 'd' ), mov_read_leaf }, +{ MKTAG( 'd', 'r', 'e', 'f' ), mov_read_leaf }, +{ MKTAG( 'e', 'd', 't', 's' ), mov_read_default }, +{ MKTAG( 'e', 'l', 's', 't' ), mov_read_leaf }, +{ MKTAG( 'f', 'r', 'e', 'e' ), mov_read_leaf }, +{ MKTAG( 'h', 'd', 'l', 'r' ), mov_read_hdlr }, +{ MKTAG( 'h', 'i', 'n', 't' ), mov_read_leaf }, +{ MKTAG( 'h', 'm', 'h', 'd' ), mov_read_leaf }, +{ MKTAG( 'i', 'o', 'd', 's' ), mov_read_leaf }, +{ MKTAG( 'm', 'd', 'a', 't' ), mov_read_mdat }, +{ MKTAG( 'm', 'd', 'h', 'd' ), mov_read_mdhd }, +{ MKTAG( 'm', 'd', 'i', 'a' ), mov_read_default }, +{ MKTAG( 'm', 'i', 'n', 'f' ), mov_read_default }, +{ MKTAG( 'm', 'o', 'o', 'v' ), mov_read_moov }, +{ MKTAG( 'm', 'p', '4', 'a' ), mov_read_default }, +{ MKTAG( 'm', 'p', '4', 's' ), mov_read_default }, +{ MKTAG( 'm', 'p', '4', 'v' ), mov_read_default }, +{ MKTAG( 'm', 'p', 'o', 'd' ), mov_read_leaf }, +{ MKTAG( 'm', 'v', 'h', 'd' ), mov_read_mvhd }, +{ MKTAG( 'n', 'm', 'h', 'd' ), mov_read_leaf }, +{ MKTAG( 'o', 'd', 'h', 'd' ), mov_read_default }, +{ MKTAG( 's', 'd', 'h', 'd' ), mov_read_default }, +{ MKTAG( 's', 'k', 'i', 'p' ), mov_read_default }, +{ MKTAG( 's', 'm', 'h', 'd' ), mov_read_leaf }, /* sound media info header */ +{ MKTAG( 's', 't', 'b', 'l' ), mov_read_default }, +{ MKTAG( 's', 't', 'c', 'o' ), mov_read_stco }, +{ MKTAG( 's', 't', 'd', 'p' ), mov_read_default }, +{ MKTAG( 's', 't', 's', 'c' ), mov_read_stsc }, +{ MKTAG( 's', 't', 's', 'd' ), mov_read_stsd }, /* sample description */ +{ MKTAG( 's', 't', 's', 'h' ), mov_read_default }, +{ MKTAG( 's', 't', 's', 's' ), mov_read_leaf }, /* sync sample */ +{ MKTAG( 's', 't', 's', 'z' ), mov_read_stsz }, /* sample size */ +{ MKTAG( 's', 't', 't', 's' ), mov_read_stts }, +{ MKTAG( 't', 'k', 'h', 'd' ), mov_read_tkhd }, /* track header */ +{ MKTAG( 't', 'r', 'a', 'k' ), mov_read_trak }, +{ MKTAG( 't', 'r', 'e', 'f' ), mov_read_default }, /* not really */ +{ MKTAG( 'u', 'd', 't', 'a' ), mov_read_leaf }, +{ MKTAG( 'u', 'r', 'l', ' ' ), mov_read_leaf }, +{ MKTAG( 'u', 'r', 'n', ' ' ), mov_read_leaf }, +{ MKTAG( 'u', 'u', 'i', 'd' ), mov_read_default }, +{ MKTAG( 'v', 'm', 'h', 'd' ), mov_read_leaf }, /* video media info header */ +{ MKTAG( 'w', 'a', 'v', 'e' ), mov_read_default }, /* extra mp4 */ -{ MKTAG( 'M', 'D', 'E', 'S' ), parse_leaf }, +{ MKTAG( 'M', 'D', 'E', 'S' ), mov_read_leaf }, /* QT atoms */ -{ MKTAG( 'c', 'h', 'a', 'p' ), parse_leaf }, -{ MKTAG( 'c', 'l', 'i', 'p' ), parse_default }, -{ MKTAG( 'c', 'r', 'g', 'n' ), parse_leaf }, -{ MKTAG( 'k', 'm', 'a', 't' ), parse_leaf }, -{ MKTAG( 'm', 'a', 't', 't' ), parse_default }, -{ MKTAG( 'r', 'd', 'r', 'f' ), parse_leaf }, -{ MKTAG( 'r', 'm', 'd', 'a' ), parse_default }, -{ MKTAG( 'r', 'm', 'd', 'r' ), parse_leaf }, -//{ MKTAG( 'r', 'm', 'q', 'u' ), parse_leaf }, -{ MKTAG( 'r', 'm', 'r', 'a' ), parse_default }, -{ MKTAG( 's', 'c', 'p', 't' ), parse_leaf }, -{ MKTAG( 's', 'y', 'n', 'c' ), parse_leaf }, -{ MKTAG( 's', 's', 'r', 'c' ), parse_leaf }, -{ MKTAG( 't', 'c', 'm', 'd' ), parse_leaf }, -{ MKTAG( 'w', 'i', 'd', 'e' ), parse_wide }, /* place holder */ -{ MKTAG( 'c', 't', 'a', 'b' ), parse_ctab }, -{ MKTAG( 'e', 's', 'd', 's' ), parse_esds }, +{ MKTAG( 'c', 'h', 'a', 'p' ), mov_read_leaf }, +{ MKTAG( 'c', 'l', 'i', 'p' ), mov_read_default }, +{ MKTAG( 'c', 'r', 'g', 'n' ), mov_read_leaf }, +{ MKTAG( 'c', 't', 'a', 'b' ), mov_read_ctab }, +{ MKTAG( 'e', 's', 'd', 's' ), mov_read_esds }, +{ MKTAG( 'k', 'm', 'a', 't' ), mov_read_leaf }, +{ MKTAG( 'm', 'a', 't', 't' ), mov_read_default }, +{ MKTAG( 'r', 'd', 'r', 'f' ), mov_read_leaf }, +{ MKTAG( 'r', 'm', 'd', 'a' ), mov_read_default }, +{ MKTAG( 'r', 'm', 'd', 'r' ), mov_read_leaf }, +{ MKTAG( 'r', 'm', 'r', 'a' ), mov_read_default }, +{ MKTAG( 's', 'c', 'p', 't' ), mov_read_leaf }, +{ MKTAG( 's', 's', 'r', 'c' ), mov_read_leaf }, +{ MKTAG( 's', 'y', 'n', 'c' ), mov_read_leaf }, +{ MKTAG( 't', 'c', 'm', 'd' ), mov_read_leaf }, +{ MKTAG( 'w', 'i', 'd', 'e' ), mov_read_wide }, /* place holder */ +//{ MKTAG( 'r', 'm', 'q', 'u' ), mov_read_leaf }, #ifdef CONFIG_ZLIB -{ MKTAG( 'c', 'm', 'o', 'v' ), parse_cmov }, +{ MKTAG( 'c', 'm', 'o', 'v' ), mov_read_cmov }, #else -{ MKTAG( 'c', 'm', 'o', 'v' ), parse_leaf }, +{ MKTAG( 'c', 'm', 'o', 'v' ), mov_read_leaf }, #endif -{ 0L, parse_leaf } +{ 0L, mov_read_leaf } }; static void mov_free_stream_context(MOVStreamContext *sc) @@ -1221,9 +1191,9 @@ static void mov_free_stream_context(MOVStreamContext *sc) } } -static inline uint32_t to_tag(uint8_t *buf) +static inline uint32_t mov_to_tag(uint8_t *buf) { - return buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24); + return MKTAG(buf[0], buf[1], buf[2], buf[3]); } static inline uint32_t to_be32(uint8_t *buf) @@ -1245,7 +1215,7 @@ static int mov_probe(AVProbeData *p) /* ignore invalid offset */ if ((offset + 8) > (unsigned int)p->buf_size) return 0; - tag = to_tag(p->buf + offset + 4); + tag = mov_to_tag(p->buf + offset + 4); switch(tag) { case MKTAG( 'm', 'o', 'o', 'v' ): case MKTAG( 'w', 'i', 'd', 'e' ): @@ -1254,7 +1224,7 @@ static int mov_probe(AVProbeData *p) case MKTAG( 'p', 'n', 'o', 't' ): /* detect movs with preview pics like ew.mov and april.mov */ return AVPROBE_SCORE_MAX; case MKTAG( 'f', 't', 'y', 'p' ): - case MKTAG( 's', 'k', 'i', 'p' ): + case MKTAG( 's', 'k', 'i', 'p' ): offset = to_be32(p->buf) + offset; break; default: @@ -1270,7 +1240,7 @@ static int mov_read_header(AVFormatContext *s, AVFormatParameters *ap) MOVContext *mov = (MOVContext *) s->priv_data; ByteIOContext *pb = &s->pb; int i, j, nb, err; - int64_t size; + MOV_atom_t atom = { 0, 0, 0 }; mov->fc = s; mov->parse_table = mov_default_parse_table; @@ -1280,16 +1250,16 @@ static int mov_read_header(AVFormatContext *s, AVFormatParameters *ap) mov->mp4 = 1; #endif if(!url_is_streamed(pb)) /* .mov and .mp4 aren't streamable anyway (only progressive download if moov is before mdat) */ - size = url_filesize(url_fileno(pb)); + atom.size = url_filesize(url_fileno(pb)); else - size = 0x7FFFFFFFFFFFFFFF; + atom.size = 0x7FFFFFFFFFFFFFFF; #ifdef DEBUG - printf("filesz=%Ld\n", size); + printf("filesz=%Ld\n", atom.size); #endif /* check MOV header */ - err = parse_default(mov, pb, 0L, 0LL, size); + err = mov_read_default(mov, pb, atom); if(err<0 || (!mov->found_moov || !mov->found_mdat)) { puts("header not found !!!"); exit(1); @@ -1311,7 +1281,7 @@ static int mov_read_header(AVFormatContext *s, AVFormatParameters *ap) printf("streams= %d\n", s->nb_streams); #endif mov->total_streams = nb = s->nb_streams; - + #if 1 for(i=0; i<s->nb_streams;) { if(s->streams[i]->codec.codec_type == CODEC_TYPE_MOV_OTHER) {/* not audio, not video, delete */ @@ -1474,6 +1444,10 @@ static int mov_read_close(AVFormatContext *s) mov_free_stream_context(mov->streams[i]); for(i=0; i<s->nb_streams; i++) av_freep(&s->streams[i]); + /* free color tabs */ + for(i=0; i<mov->ctab_size; i++) + av_freep(&mov->ctab[i]); + av_freep(&mov->ctab); return 0; } |