ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinha...@outlook.com> | Mon Mar 17 09:53:42 2025 +0100| [fbcc943b22534517670d287f35eebe40896f771f] | committer: Andreas Rheinhardt
avcodec/h261enc: Don't use (size_t)-1 Fixes "runtime error: addition of unsigned offset to 0x765a09523a90 overflowed to 0x765a09523a8e". This fixes all H.261 tests when run under UBsan. Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=fbcc943b22534517670d287f35eebe40896f771f --- libavcodec/h261enc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/h261enc.c b/libavcodec/h261enc.c index 36436ee60f..5e6d5d1f9c 100644 --- a/libavcodec/h261enc.c +++ b/libavcodec/h261enc.c @@ -337,7 +337,7 @@ static av_cold void h261_encode_init_static(void) uni_h261_rl_len_last[UNI_AC_ENC_INDEX(run, 64 - level)] = len + 2; } - for (size_t i = 1;; i++) { + for (ptrdiff_t i = 1;; i++) { // sign-one MV codes; diff -16..-1, 16..31 mv_codes[32 - i][0] = mv_codes[-i][0] = (ff_h261_mv_tab[i][0] << 1) | 1 /* sign */; mv_codes[32 - i][1] = mv_codes[-i][1] = ff_h261_mv_tab[i][1] + 1; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
