Implement "hole" video frame.

media/base/video_frame.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/base/video_frame.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 117 matching lines @@
 }
 
 // static
 scoped_refptr<VideoFrame> VideoFrame::CreateBlackFrame(const gfx::Size& size) {
   const uint8 kBlackY = 0x00;
   const uint8 kBlackUV = 0x80;
   const base::TimeDelta kZero;
   return CreateColorFrame(size, kBlackY, kBlackUV, kBlackUV, kZero);
 }
 
+#if defined(GOOGLE_TV)
+// static
+scoped_refptr<VideoFrame> VideoFrame::CreateHoleFrame(
+    const gfx::Size& size) {
+  DCHECK(IsValidConfig(VideoFrame::HOLE, size, gfx::Rect(size), size));
+  scoped_refptr<VideoFrame> frame(new VideoFrame(
+      VideoFrame::HOLE, size, gfx::Rect(size), size, base::TimeDelta()));
+  return frame;
+}
+#endif
+
 static inline size_t RoundUp(size_t value, size_t alignment) {
   // Check that |alignment| is a power of 2.
   DCHECK((alignment + (alignment - 1)) == (alignment | (alignment - 1)));
   return ((value + (alignment - 1)) & ~(alignment-1));
 }
 
 // Release data allocated by AllocateRGB() or AllocateYUV().
 static void ReleaseData(uint8* data) {
   DCHECK(data);
   base::AlignedFree(data);
@@ skipping 174 matching lines @@
       break;
     for (int row = 0; row < rows(plane); ++row) {
       base::MD5Update(context, base::StringPiece(
           reinterpret_cast<char*>(data(plane) + stride(plane) * row),
           row_bytes(plane)));
     }
   }
 }
 
 }  // namespace media