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gifdec: do not handle timestamps 

It is broken, and results will be messed up when seeking.

This also fix duration displayed for streams when using -c copy.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-12-01 11:37:18 +00:00
parent 0877f64fea
commit 18aaed6475
2 changed files with 1 additions and 10 deletions
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9
libavformat/gifdec.c
View File

@ -44,8 +44,6 @@ typedef struct GIFDemuxContext {
*/
int min_delay;
int default_delay;
int total_duration; ///< In hundredths of second.
int frame_idx;
} GIFDemuxContext;
/**
@ -190,9 +188,6 @@ static int gif_read_packet(AVFormatContext *s, AVPacket *pkt)
if ((ret = avio_skip(pb, ct_size)) < 0)
return ret;
}
gdc->total_duration = 0;
gdc->frame_idx = 0;
} else {
avio_seek(pb, -ret, SEEK_CUR);
ret = AVERROR_EOF;
@ -239,15 +234,11 @@ static int gif_read_packet(AVFormatContext *s, AVPacket *pkt)
pkt->flags |= AV_PKT_FLAG_KEY;
pkt->stream_index = 0;
pkt->pts = gdc->total_duration;
gdc->total_duration += gdc->delay;
pkt->duration = gdc->delay;
pkt->dts = gdc->frame_idx;
/* Graphic Control Extension's scope is single frame.
* Remove its influence. */
gdc->delay = gdc->default_delay;
gdc->frame_idx++;
frame_parsed = 1;
break;

2
tests/ref/lavf/gif
View File

@ -1,6 +1,6 @@
e6089fd4ef3b9df44090ab3650bdd810 *./tests/data/lavf/lavf.gif
2906401 ./tests/data/lavf/lavf.gif
./tests/data/lavf/lavf.gif CRC=0xbf89a246
./tests/data/lavf/lavf.gif CRC=0x9825d7c0
022dc66b5068404e88c618ce79d9eb5f *./tests/data/images/gif/02.gif
./tests/data/images/gif/%02d.gif CRC=0x032e0034
81538 ./tests/data/images/gif/02.gif