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ffmpeg.wasm-core
Commit 5ca1d879 authored by Zdenek Kabelac's avatar Zdenek Kabelac
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* 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
parent 280bd7b7
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libavformat/mov.c
View file @ 5ca1d879
......@@ -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...
......@@ -153,6 +125,19 @@ typedef struct MOV_sample_to_chunk_tbl {
long id;
} 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;
}
......
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