Bug 761018 - GStreamer video buffer handling optimization; r=cdouble

gfx/layers/ImageContainer.cpp

@@ -454,7 +454,7 @@ PlanarYCbCrImage::CopyData(const Data& aData)
                 mData.mYStride * mData.mYSize.height;
 
   // get new buffer
-  mBuffer = AllocateBuffer(mBufferSize); 
+  mBuffer = AllocateBuffer(mBufferSize);
   if (!mBuffer)
     return;
 
@@ -486,6 +486,24 @@ PlanarYCbCrImage::GetOffscreenFormat()
     mOffscreenFormat;
 }
 
+void
+PlanarYCbCrImage::SetDataNoCopy(const Data &aData)
+{
+  mData = aData;
+  mSize = aData.mPicSize;
+}
+
+uint8_t*
+PlanarYCbCrImage::AllocateAndGetNewBuffer(uint32_t aSize)
+{
+  // update buffer size
+  mBufferSize = aSize;
+
+  // get new buffer
+  mBuffer = AllocateBuffer(mBufferSize); 
+  return mBuffer;
+}
+
 already_AddRefed<gfxASurface>
 PlanarYCbCrImage::GetAsSurface()
 {