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mov: Support edit list atom version 1.

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Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Yusuke Nakamura 2011-05-12 05:28:27 +09:00 committed by Diego Biurrun
parent ced9556b61
commit 5f0bb0baef
2 changed files with 12 additions and 6 deletions
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2
libavformat/isom.h
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@ -109,7 +109,7 @@ typedef struct MOVStreamContext {
unsigned int keyframe_count;
int *keyframes;
int time_scale;
int time_offset; ///< time offset of the first edit list entry
int64_t time_offset; ///< time offset of the first edit list entry
int current_sample;
unsigned int bytes_per_frame;
unsigned int samples_per_frame;

16
libavformat/mov.c
View File

@ -2163,13 +2163,13 @@ free_and_return:
static int mov_read_elst(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
MOVStreamContext *sc;
int i, edit_count;
int i, edit_count, version;
if (c->fc->nb_streams < 1)
return 0;
sc = c->fc->streams[c->fc->nb_streams-1]->priv_data;
avio_r8(pb); /* version */
version = avio_r8(pb); /* version */
avio_rb24(pb); /* flags */
edit_count = avio_rb32(pb); /* entries */
@ -2177,9 +2177,15 @@ static int mov_read_elst(MOVContext *c, AVIOContext *pb, MOVAtom atom)
return -1;
for(i=0; i<edit_count; i++){
int time;
int duration = avio_rb32(pb); /* Track duration */
time = avio_rb32(pb); /* Media time */
int64_t time;
int64_t duration;
if (version == 1) {
duration = avio_rb64(pb);
time = avio_rb64(pb);
} else {
duration = avio_rb32(pb); /* segment duration */
time = avio_rb32(pb); /* media time */
}
avio_rb32(pb); /* Media rate */
if (i == 0 && time >= -1) {
sc->time_offset = time != -1 ? time : -duration;