ffmpeg | branch: release/4.3 | Michael Niedermayer <[email protected]> | Fri May 17 00:46:24 2024 +0200| [9bd68c46a6c0ca6495b8ec838fbc8e0aa1363f64] | committer: Michael Niedermayer
avcodec/tests/dct: Use 64bit in intermediate for error computation Fixes: CID1500284 Unintentional integer overflow Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <[email protected]> (cherry picked from commit 161d0aa2a8d18f1f8a01cbc4c1061eadcbe592e5) Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9bd68c46a6c0ca6495b8ec838fbc8e0aa1363f64 --- libavcodec/tests/dct.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/tests/dct.c b/libavcodec/tests/dct.c index 2ca8039c01..36a4c38a55 100644 --- a/libavcodec/tests/dct.c +++ b/libavcodec/tests/dct.c @@ -222,8 +222,8 @@ static int dct_error(const struct algo *dct, int test, int is_idct, int speed, c v = abs(err); if (v > err_inf) err_inf = v; - err2_matrix[i] += v * v; - err2 += v * v; + err2_matrix[i] += v * (int64_t)v; + err2 += v * (int64_t)v; sysErr[i] += block[i] - block1[i]; blockSumErr += v; if (abs(block[i]) > maxout) _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
