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avformat/utils: support arbitrary path lengths for av_filename_number_test

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Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2025-08-14 23:49:34 +02:00
parent 9458a6f8ec
commit 4b8be1991c
1 changed files with 6 additions and 3 deletions
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9
libavformat/utils.c
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@ -116,9 +116,12 @@ int av_append_packet(AVIOContext *s, AVPacket *pkt, int size)
int av_filename_number_test(const char *filename)
{
char buf[1024];
return filename &&
(av_get_frame_filename(buf, sizeof(buf), filename, 1) >= 0);
AVBPrint bp;
if (!filename)
return 0;
av_bprint_init(&bp, 0, AV_BPRINT_SIZE_COUNT_ONLY);
return (ff_bprint_get_frame_filename(&bp, filename, 1, AV_FRAME_FILENAME_FLAGS_IGNORE_TRUNCATION) >= 0);
}
/**********************************************************/