Implement WebRTC in Chrome for TV

content/renderer/media/rtc_video_decoder_bridge_tv.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_VIDEO_DECODER_BRIDGE_TV_H_
+#define CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_BRIDGE_TV_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "content/common/content_export.h"
+#include "third_party/webrtc/modules/video_coding/codecs/interface/video_codec_interface.h"
+#include "ui/gfx/size.h"
+
+namespace content {
+
+class MediaStreamDependencyFactory;
+class RTCVideoDecoderFactoryTv;
+
+// An object shared between WebMediaPlayerAndroid and WebRTC Video Engine.
+// Note that this class provides the first remote stream.
+class CONTENT_EXPORT RTCVideoDecoderBridgeTv
+    : NON_EXPORTED_BASE(public webrtc::VideoDecoder) {
+ public:
+  explicit RTCVideoDecoderBridgeTv(RTCVideoDecoderFactoryTv* factory);
+  virtual ~RTCVideoDecoderBridgeTv();
+
+  // webrtc::VideoDecoder implementation.
+  virtual int32_t InitDecode(const webrtc::VideoCodec* codec_settings,
+                             int32_t number_of_cores) OVERRIDE;
+  virtual int32_t Decode(
+      const webrtc::EncodedImage& input_image,
+      bool missing_frames,
+      const webrtc::RTPFragmentationHeader* fragmentation,
+      const webrtc::CodecSpecificInfo* codec_specific_info,
+      int64_t render_time_ms) OVERRIDE;
+  virtual int32_t RegisterDecodeCompleteCallback(
+      webrtc::DecodedImageCallback* callback) OVERRIDE;
+  virtual int32_t Release() OVERRIDE;
+  virtual int32_t Reset() OVERRIDE;
+
+ private:
+  static void RunDecodeCompleteCallback(webrtc::DecodedImageCallback* callback,
+                                        int64_t timestamp,
+                                        gfx::Size size);
+
+  // The factory outlives this object, so weak pointer is fine.
+  RTCVideoDecoderFactoryTv* factory_;
+
+  gfx::Size size_;
+  bool is_initialized_;
+  bool first_frame_;
+  webrtc::DecodedImageCallback* decode_complete_callback_;
+  int64_t timestamp_offset_millis_;
+
+  DISALLOW_COPY_AND_ASSIGN(RTCVideoDecoderBridgeTv);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_BRIDGE_TV_H_