From 2dbfbd9b0571e7bf97e3376bc76bf9cd26638975 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= Date: Sun, 25 Jan 2026 16:57:09 +0100 Subject: [PATCH] swscale/utils: zero init filter memory as before Commit 795bb37a39e163cbb5b6d897ebb0ca90ea7b449a removed zeroing of those buffers, without mention, which introduces corrupted output. Fixes: 795bb37a39e163cbb5b6d897ebb0ca90ea7b449a Fixes: https://github.com/mpv-player/mpv/issues/17317 (cherry picked from commit 10db62d20527d7f17d1cce8e1c22c86c33be7350) Signed-off-by: Michael Niedermayer --- libswscale/utils.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libswscale/utils.c b/libswscale/utils.c index 93e73a8f8c..912747151e 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -532,7 +532,7 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, if (dstFilter) filter2Size += dstFilter->length - 1; av_assert0(filter2Size > 0); - filter2 = av_malloc_array(dstW, filter2Size * sizeof(*filter2)); + filter2 = av_calloc(dstW, filter2Size * sizeof(*filter2)); if (!filter2) goto nomem; for (i = 0; i < dstW; i++) { @@ -692,7 +692,7 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, // Note the +1 is for the MMX scaler which reads over the end /* align at 16 for AltiVec (needed by hScale_altivec_real) */ - *outFilter = av_malloc_array(dstW + 3, *outFilterSize * sizeof(**outFilter)); + *outFilter = av_calloc(dstW + 3, *outFilterSize * sizeof(**outFilter)); if (!*outFilter) goto nomem;