[FFmpeg-devel] [PATCH] vp3: fix draw_horiz_band chroma for 422 and 444

[Reimar Döffinger]

Hello,
obviously this chroma-calculation was missed when adding 422 and 444
support.
Index: libavcodec/vp3.c
===================================================================
--- libavcodec/vp3.c    (revision 23501)
+++ libavcodec/vp3.c    (working copy)
@@ -1329,7 +1329,9 @@
         y = s->height - y - h;
     }
 
-    cy = y >> 1;
+    cy = y;
+    if (s->avctx->pix_fmt == PIX_FMT_YUV420P)
+        cy >>= 1;
     offset[0] = s->current_frame.linesize[0]*y;
     offset[1] = s->current_frame.linesize[1]*cy;
     offset[2] = s->current_frame.linesize[2]*cy;