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Merge commit '5b41eb91e0083755de8c35e8cd005896ec3ab31f' 

* commit '5b41eb91e0083755de8c35e8cd005896ec3ab31f':
  mov: Parse tmcd extradata

Conflicts:
	libavformat/mov.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-08-26 14:26:09 +02:00
parent b32a6da100 5b41eb91e0
commit d3ff77023e
1 changed files with 32 additions and 17 deletions
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49
libavformat/mov.c
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@ -1485,6 +1485,33 @@ static void mov_parse_stsd_subtitle(MOVContext *c, AVIOContext *pb,
st->codec->height = sc->height;
}
static int mov_parse_stsd_data(MOVContext *c, AVIOContext *pb,
AVStream *st, MOVStreamContext *sc,
int size)
{
if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
st->codec->extradata_size = size;
st->codec->extradata = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!st->codec->extradata)
return AVERROR(ENOMEM);
avio_read(pb, st->codec->extradata, size);
if (size > 16) {
MOVStreamContext *tmcd_ctx = st->priv_data;
int val;
val = AV_RB32(st->codec->extradata + 4);
tmcd_ctx->tmcd_flags = val;
if (val & 1)
st->codec->flags2 |= CODEC_FLAG2_DROP_FRAME_TIMECODE;
st->codec->time_base.den = st->codec->extradata[16]; /* number of frame */
st->codec->time_base.num = 1;
}
} else {
/* other codec type, just skip (rtp, mp4s ...) */
avio_skip(pb, size);
}
return 0;
}
static int mov_finalize_stsd_codec(MOVContext *c, AVIOContext *pb,
AVStream *st, MOVStreamContext *sc)
{
@ -1598,7 +1625,7 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
pseudo_stream_id++) {
//Parsing Sample description table
enum AVCodecID id;
int dref_id = 1;
int ret, dref_id = 1;
MOVAtom a = { AV_RL32("stsd") };
int64_t start_pos = avio_tell(pb);
int64_t size = avio_rb32(pb); /* size */
@ -1637,26 +1664,14 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
mov_parse_stsd_subtitle(c, pb, st, sc,
size - (avio_tell(pb) - start_pos));
} else {
if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
MOVStreamContext *tmcd_ctx = st->priv_data;
int val;
avio_rb32(pb); /* reserved */
val = avio_rb32(pb); /* flags */
tmcd_ctx->tmcd_flags = val;
if (val & 1)
st->codec->flags2 |= CODEC_FLAG2_DROP_FRAME_TIMECODE;
avio_rb32(pb); /* time scale */
avio_rb32(pb); /* frame duration */
st->codec->time_base.den = avio_r8(pb); /* number of frame */
st->codec->time_base.num = 1;
}
/* other codec type, just skip (rtp, mp4s, ...) */
avio_skip(pb, size - (avio_tell(pb) - start_pos));
ret = mov_parse_stsd_data(c, pb, st, sc,
size - (avio_tell(pb) - start_pos));
if (ret < 0)
return ret;
}
/* this will read extra atoms at the end (wave, alac, damr, avcC, SMI ...) */
a.size = size - (avio_tell(pb) - start_pos);
if (a.size > 8) {
int ret;
if ((ret = mov_read_default(c, pb, a)) < 0)
return ret;
} else if (a.size > 0)