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avformat/oggparsevorbis: dont use invalid granules

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Fixes Ticket3437

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 12b97dd375)
This commit is contained in:
Michael Niedermayer
2014-03-05 17:07:28 +01:00
committed by Carl Eugen Hoyos
parent 1af235f6b3
commit 124c78fd44
1 changed files with 1 additions and 1 deletions
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libavformat/oggparsevorbis.c
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@@ -384,7 +384,7 @@ static int vorbis_packet(AVFormatContext *s, int idx)
* here we parse the duration of each packet in the first page and compare
* the total duration to the page granule to find the encoder delay and
* set the first timestamp */
if ((!os->lastpts || os->lastpts == AV_NOPTS_VALUE) && !(os->flags & OGG_FLAG_EOS)) {
if ((!os->lastpts || os->lastpts == AV_NOPTS_VALUE) && !(os->flags & OGG_FLAG_EOS) && (int64_t)os->granule>=0) {
int seg, d;
uint8_t *last_pkt = os->buf + os->pstart;
uint8_t *next_pkt = last_pkt;