Define EncodedVideoSource and RtcCapturedEncodingVideoCapturer.

content/renderer/media/rtc_encoding_video_capturer.h

+// 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.
+
+#ifndef CONTENT_RENDERER_MEDIA_RTC_ENCODING_VIDEO_CAPTURER_H_
+#define CONTENT_RENDERER_MEDIA_RTC_ENCODING_VIDEO_CAPTURER_H_
+
+#include "base/memory/ref_counted.h"
+#include "media/video/encoded_video_source.h"
+#include "media/video/video_encode_types.h"
+#include "third_party/libjingle/source/talk/media/webrtc/webrtcvideoencoderfactory.h"

[Ami GONE FROM CHROMIUM, 2013/06/08 00:18:01]

unused

[hshi1, 2013/06/10 19:12:31]

Done.

+#include "third_party/libjingle/source/talk/media/webrtc/webrtcvideoframe.h"

[Ami GONE FROM CHROMIUM, 2013/06/08 00:18:01]

unnecessary in this .h - this file doesn't make any more use of webrtc/cricket
types than the interface being impl'd.

[hshi1, 2013/06/10 19:12:31]

Done.

+#include "third_party/libjingle/source/talk/media/webrtc/webrtcvie.h"
+
+using cricket::WebRtcVideoEncoderFactory;

[Ami GONE FROM CHROMIUM, 2013/06/08 00:18:01]

unused

[hshi1, 2013/06/10 19:12:31]

Done.

+
+namespace content {
+
+// Class to represent an encoding capable video capture interface for the
+// WebRTC component. This class expects to be registered as an encoder with
+// an internal source to the WebRTC stack and will not be able to function as
+// an encoder for uncompressed video frames.
+class RtcEncodingVideoCapturer : public webrtc::VideoEncoder {
+ public:
+  RtcEncodingVideoCapturer(int stream_id,
+                           media::EncodedVideoSource* encoded_video_source);
+  virtual ~RtcEncodingVideoCapturer();
+
+  // webrtc::VideoEncoder implementation.
+  virtual int32_t InitEncode(const webrtc::VideoCodec* codecSettings,
+                             int32_t numberOfCores,
+                             uint32_t maxPayloadSize) OVERRIDE;
+  virtual int32_t Encode(
+      const webrtc::I420VideoFrame& inputImage,

[Ami GONE FROM CHROMIUM, 2013/06/08 00:18:01]

ignored params should be like this:
/* inputImage */

[hshi1, 2013/06/10 19:12:31]

Done.

+      const webrtc::CodecSpecificInfo* codecSpecificInfo,
+      const std::vector<webrtc::VideoFrameType>* frame_types) OVERRIDE;
+  virtual int32_t RegisterEncodeCompleteCallback(
+      webrtc::EncodedImageCallback* callback) OVERRIDE;
+  virtual int32_t Release() OVERRIDE;
+  virtual int32_t SetChannelParameters(uint32_t packetLoss,
+                                       int rtt_in_ms) OVERRIDE;
+  virtual int32_t SetRates(uint32_t newBitRate,
+                           uint32_t frameRate) OVERRIDE;
+ private:
+  // Forward declaration for private implementation to represent the
+  // encapsulated bitstream;
+  class Bitstream;
+  int stream_id_;

[Ami GONE FROM CHROMIUM, 2013/06/08 00:18:01]

write-only variable?

[hshi1, 2013/06/10 19:12:31]

Removed.

+  scoped_refptr<Bitstream> bitstream_;
+
+  // Pointer to the underlying EncodedVideoSource object. It is guaranteed to
+  // outlive the RtcEncodingVideoCapturer.
+  media::EncodedVideoSource* encoded_video_source_;
+  DISALLOW_COPY_AND_ASSIGN(RtcEncodingVideoCapturer);

[Ami GONE FROM CHROMIUM, 2013/06/08 00:18:01]

nit: extra new line before this

[hshi1, 2013/06/10 19:12:31]

Done.

+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_MEDIA_RTC_ENCODING_VIDEO_CAPTURER_H_