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Prevent dts generation code to be executed when delay is > MAX_REORDER_DELAY,

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this fixes overflow in AVStream->pts_buffer.

Originally committed as revision 14714 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2008-08-12 17:26:36 +00:00
parent ebc22cc29f
commit cb5b96cde0
1 changed files with 2 additions and 2 deletions
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4
libavformat/utils.c
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@ -895,7 +895,7 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
} }
} }
if(pkt->pts != AV_NOPTS_VALUE){ if(pkt->pts != AV_NOPTS_VALUE && delay <= MAX_REORDER_DELAY){
st->pts_buffer[0]= pkt->pts; st->pts_buffer[0]= pkt->pts;
for(i=1; i<delay+1 && st->pts_buffer[i] == AV_NOPTS_VALUE; i++) for(i=1; i<delay+1 && st->pts_buffer[i] == AV_NOPTS_VALUE; i++)
st->pts_buffer[i]= (i-delay-1) * pkt->duration; st->pts_buffer[i]= (i-delay-1) * pkt->duration;
@ -2524,7 +2524,7 @@ static int compute_pkt_fields2(AVStream *st, AVPacket *pkt){
} }
//calculate dts from pts //calculate dts from pts
if(pkt->pts != AV_NOPTS_VALUE && pkt->dts == AV_NOPTS_VALUE){ if(pkt->pts != AV_NOPTS_VALUE && pkt->dts == AV_NOPTS_VALUE && delay <= MAX_REORDER_DELAY){
st->pts_buffer[0]= pkt->pts; st->pts_buffer[0]= pkt->pts;
for(i=1; i<delay+1 && st->pts_buffer[i] == AV_NOPTS_VALUE; i++) for(i=1; i<delay+1 && st->pts_buffer[i] == AV_NOPTS_VALUE; i++)
st->pts_buffer[i]= (i-delay-1) * pkt->duration; st->pts_buffer[i]= (i-delay-1) * pkt->duration;