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In mov demuxer, check that gmtime returns a valid value, fix crash, issue #2490

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Originally committed as revision 26228 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2011-01-05 19:21:04 +00:00
parent 4af7166fb4
commit 5e2202d6f3
1 changed files with 4 additions and 1 deletions
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5
libavformat/mov.c
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@ -591,8 +591,11 @@ static void mov_metadata_creation_time(AVMetadata **metadata, time_t time)
{ {
char buffer[32]; char buffer[32];
if (time) { if (time) {
struct tm *ptm;
time -= 2082844800; /* seconds between 1904-01-01 and Epoch */ time -= 2082844800; /* seconds between 1904-01-01 and Epoch */
strftime(buffer, sizeof(buffer), "%Y-%m-%d %H:%M:%S", gmtime(&time)); ptm = gmtime(&time);
if (!ptm) return;
strftime(buffer, sizeof(buffer), "%Y-%m-%d %H:%M:%S", ptm);
av_metadata_set2(metadata, "creation_time", buffer, 0); av_metadata_set2(metadata, "creation_time", buffer, 0);
} }
} }