Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavcodec / vp56.c

diff --git a/libavcodec/vp56.c b/libavcodec/vp56.c
index 7df5adade3b420b8622dd3832212586363433c07..b4af2cac71f1d633a3d3adb3f1d212a6bad01f90 100644 (file)
--- a/libavcodec/vp56.c
+++ b/libavcodec/vp56.c
@@ -26,7 +26,7 @@
 #include "avcodec.h"
 #include "bytestream.h"
 #include "internal.h"
-
+#include "h264chroma.h"
 #include "vp56.h"
 #include "vp56data.h"
 
@@ -394,8 +394,6 @@ static void vp56_decode_mb(VP56Context *s, int row, int col, int is_alpha)
         mb_type = vp56_decode_mv(s, row, col);
     ref_frame = vp56_reference_frame[mb_type];
 
-    s->dsp.clear_blocks(*s->block_coeff);
-
     s->parse_coeff(s);
 
     vp56_add_predictors_dc(s, ref_frame);
@@ -448,6 +446,11 @@ static void vp56_decode_mb(VP56Context *s, int row, int col, int is_alpha)
             }
             break;
     }
+
+    if (is_alpha) {
+        s->block_coeff[4][0] = 0;
+        s->block_coeff[5][0] = 0;
+    }
 }
 
 static int vp56_size_changed(VP56Context *s)
@@ -703,6 +706,7 @@ av_cold void ff_vp56_init_context(AVCodecContext *avctx, VP56Context *s,
     avctx->pix_fmt = has_alpha ? AV_PIX_FMT_YUVA420P : AV_PIX_FMT_YUV420P;
 
     ff_dsputil_init(&s->dsp, avctx);
+    ff_h264chroma_init(&s->h264chroma, 8);
     ff_videodsp_init(&s->vdsp, 8);
     ff_vp3dsp_init(&s->vp3dsp, avctx->flags);
     ff_vp56dsp_init(&s->vp56dsp, avctx->codec->id);