Add media::VideoEncodeAccelerator with WebRTC integration

content/renderer/media/rtc_video_encoder_factory.h

+// Copyright 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.
+
+#ifndef CONTENT_RENDERER_MEDIA_RTC_VIDEO_ENCODER_FACTORY_H_
+#define CONTENT_RENDERER_MEDIA_RTC_VIDEO_ENCODER_FACTORY_H_
+
+#include <vector>
+
+#include "base/threading/thread.h"
+#include "content/common/content_export.h"
+#include "third_party/libjingle/source/talk/media/webrtc/webrtcvideoencoderfactory.h"
+
+namespace media {
+
+class GpuVideoAcceleratorFactories;
+
+}  // namespace media
+
+namespace content {
+
+// This classes creates RTCVideoEncoder instances (each wrapping a
+// media::VideoEncodeAccelerator) on behalf of the WebRTC stack.
+class CONTENT_EXPORT RTCVideoEncoderFactory
+    : NON_EXPORTED_BASE(public cricket::WebRtcVideoEncoderFactory) {
+ public:
+  explicit RTCVideoEncoderFactory(
+      const scoped_refptr<media::GpuVideoAcceleratorFactories>& gpu_factories);
+  virtual ~RTCVideoEncoderFactory();
+
+  // cricket::WebRtcVideoEncoderFactory implementation.
+  virtual webrtc::VideoEncoder* CreateVideoEncoder(
+      webrtc::VideoCodecType type) OVERRIDE;
+  virtual void AddObserver(Observer* observer) OVERRIDE;
+  virtual void RemoveObserver(Observer* observer) OVERRIDE;
+  virtual const std::vector<VideoCodec>& codecs() const OVERRIDE;
+  virtual void DestroyVideoEncoder(webrtc::VideoEncoder* encoder) OVERRIDE;
+
+ private:
+  const scoped_refptr<media::GpuVideoAcceleratorFactories> gpu_factories_;
+
+  // Codec support list of cricket::WebRtcVideoEncoderFactory::VideoCodec
+  // instances.
+  std::vector<VideoCodec> codecs_;
+
+  DISALLOW_COPY_AND_ASSIGN(RTCVideoEncoderFactory);
+};
+
+}  // namespace content
+
+#endif  //  CONTENT_RENDERER_MEDIA_RTC_VIDEO_ENCODER_FACTORY_H_