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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-02-08 21:38:50 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-04-07 16:27:00 +0200 |
| commit | 8c5f441a0db43f4fc288b333455d1f75665dcc1c (patch) | |
| tree | c43ff286683f277c4becc7fa60fd51647a3bd0fd | |
| parent | e13aba00237b42be3b99f0a638a0b8fc37d22e0b (diff) | |
| download | ffmpeg-8c5f441a0db43f4fc288b333455d1f75665dcc1c.tar.gz | |
avcodec/motion_est: Fix xy indexing on range violation in ff_get_best_fcode()
This codepath seems untested, no testcases change
Found-by: <mkver>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 634312a70f4d5afd40058c52b4d8eade1da07a70)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/motion_est.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/libavcodec/motion_est.c b/libavcodec/motion_est.c index 759eea479d..08e6eabe28 100644 --- a/libavcodec/motion_est.c +++ b/libavcodec/motion_est.c @@ -1614,7 +1614,7 @@ int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type) for(y=0; y<s->mb_height; y++){ int x; int xy= y*s->mb_stride; - for(x=0; x<s->mb_width; x++){ + for(x=0; x<s->mb_width; x++, xy++){ if(s->mb_type[xy] & type){ int mx= mv_table[xy][0]; int my= mv_table[xy][1]; @@ -1631,7 +1631,6 @@ int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type) score[j]-= 170; } } - xy++; } } |