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avformat/utils: avoid undefined integer overflow behavior in update_stream_timings()

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Fredrik Hubinette
2018-08-20 12:59:32 -07:00
committed by Michael Niedermayer
parent eb350ab738
commit 5ecd580953
1 changed files with 1 additions and 1 deletions
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2
libavformat/utils.c
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@@ -2666,7 +2666,7 @@ static void update_stream_timings(AVFormatContext *ic)
duration = FFMAX(duration, duration1); duration = FFMAX(duration, duration1);
} }
} }
if (start_time == INT64_MAX || (start_time > start_time_text && start_time - start_time_text < AV_TIME_BASE)) if (start_time == INT64_MAX || (start_time > start_time_text && start_time - (uint64_t)start_time_text < AV_TIME_BASE))
start_time = start_time_text; start_time = start_time_text;
else if (start_time > start_time_text) else if (start_time > start_time_text)
av_log(ic, AV_LOG_VERBOSE, "Ignoring outlier non primary stream starttime %f\n", start_time_text / (float)AV_TIME_BASE); av_log(ic, AV_LOG_VERBOSE, "Ignoring outlier non primary stream starttime %f\n", start_time_text / (float)AV_TIME_BASE);