lavfi/alphaextract: copy width and not linesize.

Padding data is not supposed to be copied.
12 years ago · 5043d8d213
parent c3dcd3a255
commit 5043d8d213
1 changed files with 1 additions and 2 deletions
--- a/libavfilter/vf_alphaextract.c
+++ b/libavfilter/vf_alphaextract.c
@ -86,12 +86,11 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *cur_buf)
            }
        }
    } else {
-        const int linesize = abs(FFMIN(out_buf->linesize[Y], cur_buf->linesize[A]));
        int y;
        for (y = 0; y < outlink->h; y++) {
            memcpy(out_buf->data[Y] + y * out_buf->linesize[Y],
                   cur_buf->data[A] + y * cur_buf->linesize[A],
-                   linesize);
+                   outlink->w);
        }
    }