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oggdec: Fix duration calculation if the last page in a file has no granule

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Originally committed as revision 22890 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad 2010-04-16 12:21:35 +00:00
parent 49c2d29089
commit 44a088eab7
1 changed files with 7 additions and 10 deletions
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15
libavformat/oggdec.c
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@ -431,7 +431,7 @@ static int
ogg_get_length (AVFormatContext * s)
{
struct ogg *ogg = s->priv_data;
int idx = -1, i;
int i;
int64_t size, end;
if(url_is_streamed(s->pb))
@ -451,15 +451,12 @@ ogg_get_length (AVFormatContext * s)
while (!ogg_read_page (s, &i)){
if (ogg->streams[i].granule != -1 && ogg->streams[i].granule != 0 &&
ogg->streams[i].codec)
idx = i;
ogg->streams[i].codec) {
s->streams[i]->duration =
ogg_gptopts (s, i, ogg->streams[i].granule, NULL);
if (s->streams[i]->start_time != AV_NOPTS_VALUE)
s->streams[i]->duration -= s->streams[i]->start_time;
}
if (idx != -1){
s->streams[idx]->duration =
ogg_gptopts (s, idx, ogg->streams[idx].granule, NULL);
if (s->streams[idx]->start_time != AV_NOPTS_VALUE)
s->streams[idx]->duration -= s->streams[idx]->start_time;
}
ogg_restore (s, 0);