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ffmpeg.wasm-core
Commit 99a52000 authored by Clément Bœsch's avatar Clément Bœsch
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lavf/webvttdec: fix potential timing overflows. 

Should fix CID733781 and CID733782.
parent 1ea3c037
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libavformat/webvttdec.c
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......@@ -49,8 +49,8 @@ static int webvtt_probe(AVProbeData *p)
static int64_t read_ts(const char *s)
{
int hh, mm, ss, ms;
if (sscanf(s, "%u:%u:%u.%u", &hh, &mm, &ss, &ms) == 4) return (hh*3600 + mm*60 + ss) * 1000 + ms;
if (sscanf(s, "%u:%u.%u", &mm, &ss, &ms) == 3) return ( mm*60 + ss) * 1000 + ms;
if (sscanf(s, "%u:%u:%u.%u", &hh, &mm, &ss, &ms) == 4) return (hh*3600LL + mm*60LL + ss) * 1000LL + ms;
if (sscanf(s, "%u:%u.%u", &mm, &ss, &ms) == 3) return ( mm*60LL + ss) * 1000LL + ms;
return AV_NOPTS_VALUE;
}
......
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