Implemented way to share video frames between WebKit and Chromium

webkit/glue/webvideoframe_impl.cc

+// Copyright (c) 2010 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 "webkit/glue/webvideoframe_impl.h"
+
+#include "media/base/video_frame.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebVideoFrame.h"
+
+namespace webkit_glue {
+
+WebVideoFrameImpl::WebVideoFrameImpl(media::VideoFrame* frame)
+    : frame_(frame) {
+}
+
+media::VideoFrame* WebVideoFrameImpl::toVideoFrame(WebKit::WebVideoFrame* frame) {
+  WebVideoFrameImpl* wrappedFrame = static_cast<WebVideoFrameImpl*>(frame);
+  if (wrappedFrame)
+      return wrappedFrame->frame_;
+  return 0;
+}
+
+WebKit::WebVideoFrame::SurfaceType WebVideoFrameImpl::type() const {
+  if (frame_)
+    return static_cast<WebKit::WebVideoFrame::SurfaceType>(frame_->type());
+  return TYPE_SYSTEM_MEMORY;
+}
+
+WebKit::WebVideoFrame::Format WebVideoFrameImpl::format() const {
+  if (frame_)
+    return static_cast<WebKit::WebVideoFrame::Format>(frame_->format());
+  return INVALID;
+}
+
+size_t WebVideoFrameImpl::width() const {
+  if (frame_)
+    return frame_->width();
+  return 0;
+}
+
+size_t WebVideoFrameImpl::height() const {
+  if (frame_)
+    return frame_->height();
+  return 0;
+}
+
+size_t WebVideoFrameImpl::planes() const {
+  if (frame_)
+    return frame_->planes();
+  return 0;
+}
+
+int WebVideoFrameImpl::stride(size_t plane) const {
+  if (frame_)
+    return static_cast<int>(frame_->stride(plane));
+  return 0;
+}
+
+void* WebVideoFrameImpl::data(size_t plane) const {
+  if (frame_)
+    return static_cast<void*>(frame_->data(plane));
+  return 0;
+}
+
+}  // namespace webkit_glue