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ffmpeg: Fix integer overflow with cur_dts being AV_NOPTS_VALUE 

Since de0e219a8a cur_dts is sometimes invalid
This commit is contained in:
Michael Niedermayer 2015-11-11 17:19:12 +01:00
parent 64e220beb5
commit 6770a9d689
1 changed files with 5 additions and 1 deletions
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6
ffmpeg.c
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@ -3382,8 +3382,12 @@ static OutputStream *choose_output(void)
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
int64_t opts = ost->st->cur_dts == AV_NOPTS_VALUE ? INT64_MIN :
av_rescale_q(ost->st->cur_dts, ost->st->time_base,
AV_TIME_BASE_Q);
if (ost->st->cur_dts == AV_NOPTS_VALUE)
av_log(NULL, AV_LOG_DEBUG, "cur_dts is invalid (this is harmless if it occurs once at the start per stream)\n");
if (!ost->finished && opts < opts_min) {
opts_min = opts;
ost_min = ost->unavailable ? NULL : ost;