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avformat/dump: Use int64_t for intermediate time values

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Prevents wrap-around to negative values while calculating the duration string.

Before:

    Duration: -411422:-59:-42.17, start: 0.000000, bitrate: 0 kb/s

After:

    Duration: 781623:28:34.17, start: 0.000000, bitrate: 0 kb/s

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
This commit is contained in:
Derek Buitenhuis 2020-05-16 15:06:09 +01:00
parent f603d10b1e
commit 5d9ce445ef
1 changed files with 2 additions and 2 deletions
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4
libavformat/dump.c
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@ -615,7 +615,7 @@ void av_dump_format(AVFormatContext *ic, int index,
if (!is_output) {
av_log(NULL, AV_LOG_INFO, " Duration: ");
if (ic->duration != AV_NOPTS_VALUE) {
int hours, mins, secs, us;
int64_t hours, mins, secs, us;
int64_t duration = ic->duration + (ic->duration <= INT64_MAX - 5000 ? 5000 : 0);
secs = duration / AV_TIME_BASE;
us = duration % AV_TIME_BASE;
@ -623,7 +623,7 @@ void av_dump_format(AVFormatContext *ic, int index,
secs %= 60;
hours = mins / 60;
mins %= 60;
av_log(NULL, AV_LOG_INFO, "%02d:%02d:%02d.%02d", hours, mins, secs,
av_log(NULL, AV_LOG_INFO, "%02"PRId64":%02"PRId64":%02"PRId64".%02"PRId64"", hours, mins, secs,
(100 * us) / AV_TIME_BASE);
} else {
av_log(NULL, AV_LOG_INFO, "N/A");