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libavformat/mov.c: allow QuickTime metadata to come after traks

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QuickTime metadata can come after trak data. Add indicator for which trak is being parsed (-1 if none) so that global metadata after the trak can be parsed.

Signed-off-by: Neil Birkbeck <neil.birkbeck@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Neil Birkbeck 2015-12-03 16:40:24 -08:00 committed by Michael Niedermayer
parent 5b6c0fdb43
commit a16243a4aa
2 changed files with 6 additions and 1 deletions
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1
libavformat/isom.h
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@ -178,6 +178,7 @@ typedef struct MOVContext {
int found_moov; ///< 'moov' atom has been found
int found_mdat; ///< 'mdat' atom has been found
int found_hdlr_mdta; ///< 'hdlr' atom with type 'mdta' has been found
int trak_index; ///< Index of the current 'trak'
char **meta_keys;
unsigned meta_keys_count;
DVDemuxContext *dv_demux;

6
libavformat/mov.c
View File

@ -643,7 +643,7 @@ static int mov_read_hdlr(MOVContext *c, AVIOContext *pb, MOVAtom atom)
av_log(c->fc, AV_LOG_TRACE, "ctype= %.4s (0x%08x)\n", (char*)&ctype, ctype);
av_log(c->fc, AV_LOG_TRACE, "stype= %.4s\n", (char*)&type);
if (c->fc->nb_streams < 1) { // meta before first trak
if (c->trak_index < 0) { // meta not inside a trak
if (type == MKTAG('m','d','t','a')) {
c->found_hdlr_mdta = 1;
}
@ -3073,10 +3073,13 @@ static int mov_read_trak(MOVContext *c, AVIOContext *pb, MOVAtom atom)
st->priv_data = sc;
st->codec->codec_type = AVMEDIA_TYPE_DATA;
sc->ffindex = st->index;
c->trak_index = st->index;
if ((ret = mov_read_default(c, pb, atom)) < 0)
return ret;
c->trak_index = -1;
/* sanity checks */
if (sc->chunk_count && (!sc->stts_count || !sc->stsc_count ||
(!sc->sample_size && !sc->sample_count))) {
@ -4617,6 +4620,7 @@ static int mov_read_header(AVFormatContext *s)
int i;
mov->fc = s;
mov->trak_index = -1;
/* .mov and .mp4 aren't streamable anyway (only progressive download if moov is before mdat) */
if (pb->seekable)
atom.size = avio_size(pb);