dsputil: use vertical component for drawing bottom edge.

Current code only writes 8 pixels of vertical edge for YUV422, which causes MC artifacts when subsequent frames use data from that edge.
13 years ago · c3af52fa8b
parent efe68076da
commit c3af52fa8b
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/x86/dsputil_mmx.c
+++ b/libavcodec/x86/dsputil_mmx.c
@ -860,7 +860,7 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w,
    }

    if (sides&EDGE_BOTTOM) {
-        for(i = 0; i < w; i += 4) {
+        for(i = 0; i < h; i += 4) {
            ptr= last_line + (i + 1) * wrap - w;
            __asm__ volatile(
                    "1:                             \n\t"