mirror of https://git.ffmpeg.org/ffmpeg.git
avfilter/vf_mestimate: Check b_count
Fixes: left shift of negative value -1
Fixes: Ticket8270
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 06af6e101b
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
parent
4b00aaff68
commit
612d8b0202
|
@ -100,6 +100,9 @@ static int config_input(AVFilterLink *inlink)
|
|||
s->b_height = inlink->h >> s->log2_mb_size;
|
||||
s->b_count = s->b_width * s->b_height;
|
||||
|
||||
if (s->b_count == 0)
|
||||
return AVERROR(EINVAL);
|
||||
|
||||
for (i = 0; i < 3; i++) {
|
||||
s->mv_table[i] = av_mallocz_array(s->b_count, sizeof(*s->mv_table[0]));
|
||||
if (!s->mv_table[i])
|
||||
|
|
Loading…
Reference in New Issue