fftools/ffmpeg: prefer real errors over EOF in err_merge()

Fixes an issue in 6.1 when reading a corrupted file with -xerror would
exit with success. This specific issue is not present in master, but
this should generally be a more robust behaviour.

Reported-by: Andrej Peterka
Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Anton Khirnov 2024-07-23 15:11:08 +02:00 committed by Paul B Mahol
parent bc58488d89
commit 679b1e4657

View File

@ -35,11 +35,12 @@ typedef struct Timestamp {
/**
* Merge two return codes - return one of the error codes if at least one of
* them was negative, 0 otherwise.
* Currently just picks the first one, eventually we might want to do something
* more sophisticated, like sorting them by priority.
*/
static inline int err_merge(int err0, int err1)
{
// prefer "real" errors over EOF
if ((err0 >= 0 || err0 == AVERROR_EOF) && err1 < 0)
return err1;
return (err0 < 0) ? err0 : FFMIN(err1, 0);
}