Integrate VDA with WebRTC.

content/renderer/media/rtc_video_decoder_factory.cc

+// Copyright (c) 2013 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 "content/renderer/media/rtc_video_decoder_factory.h"
+
+#include "base/location.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/renderer/media/renderer_gpu_video_decoder_factories.h"
+#include "content/renderer/media/rtc_video_decoder.h"
+
+namespace content {
+
+RTCVideoDecoderFactory::RTCVideoDecoderFactory(
+    const scoped_refptr<RendererGpuVideoDecoderFactories>& gpu_factories,
+    scoped_ptr<base::Thread> vda_thread)
+    : gpu_factories_(gpu_factories), vda_thread_(vda_thread.Pass()) {}
+
+webrtc::VideoDecoder* RTCVideoDecoderFactory::CreateVideoDecoder(
+    webrtc::VideoCodecType type) {
+  // RendererGpuVideoDecoderFactories is not thread-safe. Make a copy.
+  scoped_ptr<RTCVideoDecoder> decoder(
+      new RTCVideoDecoder(gpu_factories_->Clone(), vda_thread_.get()));
+  if (decoder->InitVideoDecodeAccelerator(type))
+    return decoder.release();
+  // Initialize will fail when the codec is not supported.
+  return NULL;
+}
+
+void RTCVideoDecoderFactory::DestroyVideoDecoder(
+    webrtc::VideoDecoder* decoder) {
+  gpu_factories_->GetMessageLoop()->DeleteSoon(FROM_HERE, decoder);
+}
+
+}  // namespace content