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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-01-02 00:28:33 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-26 16:50:42 +0200 |
| commit | 9620d845b33092483fdb83bd436758b039fcff0a (patch) | |
| tree | 578a1b39a4aad8d8f2569c2c4d2cedc040834cc1 | |
| parent | 207557ebe89acff5bf2885359ccdfc9d52fd0cef (diff) | |
| download | ffmpeg-9620d845b33092483fdb83bd436758b039fcff0a.tar.gz | |
avcodec/texturedspenc: Fix indexing in color distribution determination
Fixes CID1396405
MSE and PSNR is slightly improved, and some noticable corruptions disappear as
well.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Marton Balint <cus@passwd.hu>
(cherry picked from commit ade36d61de8ea5a5acb30a05a0cbcda069127143)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/texturedspenc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libavcodec/texturedspenc.c b/libavcodec/texturedspenc.c index 3d68e0cf39..5ce72cbd1e 100644 --- a/libavcodec/texturedspenc.c +++ b/libavcodec/texturedspenc.c @@ -255,11 +255,11 @@ static void optimize_colors(const uint8_t *block, ptrdiff_t stride, muv = minv = maxv = bp[0]; for (y = 0; y < 4; y++) { - for (x = 4; x < 4; x += 4) { + for (x = 0; x < 4; x++) { muv += bp[x * 4 + y * stride]; - if (bp[x] < minv) + if (bp[x * 4 + y * stride] < minv) minv = bp[x * 4 + y * stride]; - else if (bp[x] > maxv) + else if (bp[x * 4 + y * stride] > maxv) maxv = bp[x * 4 + y * stride]; } } |