Implement WebRTC in Chrome for TV

content/renderer/media/rtc_video_decoder_factory_tv.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_tv.h"
+
+#include "content/renderer/media/rtc_video_decoder_bridge_tv.h"
+
+namespace content {
+
+RTCVideoDecoderFactoryTv::RTCVideoDecoderFactoryTv(
+    const MediaStreamDependencyFactory* media_stream_dependency_factory)
+    : media_stream_dependency_factory_(media_stream_dependency_factory) {}
+
+webrtc::VideoDecoder* RTCVideoDecoderFactoryTv::CreateVideoDecoder(
+    webrtc::VideoCodecType type) {
+  if (type == webrtc::kVideoCodecVP8) {
+    RTCVideoDecoderBridgeTv* bridge =
+        RTCVideoDecoderBridgeTv::Get();
+    if (bridge->AcquireOwnership(media_stream_dependency_factory_))
+      return bridge;
+  }
+  // returning NULL will make WebRTC fall back to SW decoder.
+  return NULL;
+}
+
+void RTCVideoDecoderFactoryTv::DestroyVideoDecoder(
+    webrtc::VideoDecoder* decoder) {
+  DCHECK(RTCVideoDecoderBridgeTv::Get() == decoder);
+  RTCVideoDecoderBridgeTv::Get()->ReleaseOwnership(
+      media_stream_dependency_factory_);
+}
+
+}  // namespace content