diff -r 000000000000 -r 6474c204b198 content/media/VideoSegment.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/media/VideoSegment.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,64 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "VideoSegment.h"
+
+#include "gfx2DGlue.h"
+#include "ImageContainer.h"
+
+namespace mozilla {
+
+using namespace layers;
+
+VideoFrame::VideoFrame(already_AddRefed<Image>& aImage,
+                       const gfxIntSize& aIntrinsicSize)
+  : mImage(aImage), mIntrinsicSize(aIntrinsicSize), mForceBlack(false)
+{}
+
+VideoFrame::VideoFrame()
+  : mIntrinsicSize(0, 0), mForceBlack(false)
+{}
+
+VideoFrame::~VideoFrame()
+{}
+
+void
+VideoFrame::SetNull() {
+  mImage = nullptr;
+  mIntrinsicSize = gfxIntSize(0, 0);
+}
+
+void
+VideoFrame::TakeFrom(VideoFrame* aFrame)
+{
+  mImage = aFrame->mImage.forget();
+  mIntrinsicSize = aFrame->mIntrinsicSize;
+  mForceBlack = aFrame->GetForceBlack();
+}
+
+VideoChunk::VideoChunk()
+{}
+
+VideoChunk::~VideoChunk()
+{}
+
+void
+VideoSegment::AppendFrame(already_AddRefed<Image>&& aImage,
+                          TrackTicks aDuration,
+                          const IntSize& aIntrinsicSize)
+{
+  VideoChunk* chunk = AppendChunk(aDuration);
+  VideoFrame frame(aImage, ThebesIntSize(aIntrinsicSize));
+  chunk->mFrame.TakeFrom(&frame);
+}
+
+VideoSegment::VideoSegment()
+  : MediaSegmentBase<VideoSegment, VideoChunk>(VIDEO)
+{}
+
+VideoSegment::~VideoSegment()
+{}
+
+}