Merge commit 'dff6197d'

* commit 'dff6197d':
  nuv: do not rely on get_buffer() initializing the frame.
  yop: initialize palette to 0

Conflicts:
	libavcodec/nuv.c
	tests/ref/fate/nuv-rtjpeg-fh
	tests/ref/fate/yop
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/nuv.c

@@ -156,7 +156,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     int orig_size      = buf_size;
     int keyframe;
     int size_change = 0;
-    int result;
+    int result, init_frame = !avctx->frame_number;
     enum {
         NUV_UNCOMPRESSED  = '0',
         NUV_RTJPEG        = '1',
@@ -241,8 +241,10 @@ retry:
         buf_size -= RTJPEG_HEADER_SIZE;
     }
 
-    if ((size_change || keyframe) && c->pic.data[0])
+    if ((size_change || keyframe) && c->pic.data[0]) {
         avctx->release_buffer(avctx, &c->pic);
+        init_frame = 1;
+    }
     c->pic.reference    = 3;
     c->pic.buffer_hints = FF_BUFFER_HINTS_VALID    | FF_BUFFER_HINTS_READABLE |
                           FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
@@ -251,6 +253,11 @@ retry:
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
         return result;
     }
+    if (init_frame) {
+        memset(c->pic.data[0], 0,    avctx->height * c->pic.linesize[0]);
+        memset(c->pic.data[1], 0x80, avctx->height * c->pic.linesize[1] / 2);
+        memset(c->pic.data[2], 0x80, avctx->height * c->pic.linesize[2] / 2);
+    }
 
     c->pic.pict_type = keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
     c->pic.key_frame = keyframe;

libavcodec/yop.c

@@ -206,6 +206,9 @@ static int yop_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
         return ret;
     }
 
+    if (!avctx->frame_number)
+        memset(s->frame.data[1], 0, AVPALETTE_SIZE);
+
     s->dstbuf     = s->frame.data[0];
     s->dstptr     = s->frame.data[0];
     s->srcptr     = avpkt->data + 4;

tests/ref/fate/nuv-rtjpeg-fh

 #tb 0: 1/50
-0,         80,         80,        1,   221184, 0xf48c94f6
-0,         82,         82,        1,   221184, 0x89b625b2
-0,         83,         83,        1,   221184, 0x37e04714
-0,         84,         84,        1,   221184, 0x4f4c5224
-0,         85,         85,        1,   221184, 0x9193c9f1
-0,         86,         86,        1,   221184, 0x5d1a6197
-0,         87,         87,        1,   221184, 0x40cd51e7
+0,         80,         80,        1,   221184, 0xdaf54f83
+0,         82,         82,        1,   221184, 0xeea3e3b4
+0,         83,         83,        1,   221184, 0x5f1a8525
+0,         84,         84,        1,   221184, 0x950bb170
+0,         85,         85,        1,   221184, 0x6262e94c
+0,         86,         86,        1,   221184, 0x28752197
+0,         87,         87,        1,   221184, 0x0c2811e7
 0,         88,         88,        1,   221184, 0xb2c1a729
 0,         90,         90,        1,   221184, 0x998d6144
 0,         91,         91,        1,   221184, 0xf5d52311

tests/ref/fate/yop

 #tb 0: 1/12
 0,          0,          0,        1,   302760, 0xf24dfa37
 0,          1,          1,        1,   302760, 0xcedcbb6c
-0,          2,          2,        1,   302760, 0x8c2d19a2
-0,          3,          3,        1,   302760, 0xe0fc92da
-0,          4,          4,        1,   302760, 0xd7699bb4
+0,          2,          2,        1,   302760, 0xc87716a2
+0,          3,          3,        1,   302760, 0x7e378e5a
+0,          4,          4,        1,   302760, 0xd4a19734
 0,          5,          5,        1,   302760, 0x26e93266