Introduce struct MediaConfig, with construction-time settings.

webrtc/media/engine/webrtcvideoengine2.h

 /*
  *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 16 matching lines @@
 #include "webrtc/media/engine/webrtcvideoencoderfactory.h"
 #include "webrtc/transport.h"
 #include "webrtc/video_frame.h"
 #include "webrtc/video_receive_stream.h"
 #include "webrtc/video_renderer.h"
 #include "webrtc/video_send_stream.h"
 
 namespace webrtc {
 class VideoDecoder;
 class VideoEncoder;
+struct MediaConfig;
 }
 
 namespace rtc {
 class Thread;
 }  // namespace rtc
 
 namespace cricket {
 
 class VideoCapturer;
 class VideoFrame;
@@ skipping 44 matching lines @@
 // WebRtcVideoEngine2 is used for the new native WebRTC Video API (webrtc:1667).
 class WebRtcVideoEngine2 {
  public:
   WebRtcVideoEngine2();
   ~WebRtcVideoEngine2();
 
   // Basic video engine implementation.
   void Init();
 
   WebRtcVideoChannel2* CreateChannel(webrtc::Call* call,
+                                     const MediaConfig& config,
                                      const VideoOptions& options);
 
   const std::vector<VideoCodec>& codecs() const;
   RtpCapabilities GetCapabilities() const;
 
   // Set a WebRtcVideoDecoderFactory for external decoding. Video engine does
   // not take the ownership of |decoder_factory|. The caller needs to make sure
   // that |decoder_factory| outlives the video engine.
   void SetExternalDecoderFactory(WebRtcVideoDecoderFactory* decoder_factory);
   // Set a WebRtcVideoEncoderFactory for external encoding. Video engine does
@@ skipping 12 matching lines @@
   WebRtcVideoDecoderFactory* external_decoder_factory_;
   WebRtcVideoEncoderFactory* external_encoder_factory_;
   rtc::scoped_ptr<WebRtcVideoEncoderFactory> simulcast_encoder_factory_;
 };
 
 class WebRtcVideoChannel2 : public VideoMediaChannel,
                             public webrtc::Transport,
                             public webrtc::LoadObserver {
  public:
   WebRtcVideoChannel2(webrtc::Call* call,
+                      const MediaConfig& config,
                       const VideoOptions& options,
                       const std::vector<VideoCodec>& recv_codecs,
                       WebRtcVideoEncoderFactory* external_encoder_factory,
                       WebRtcVideoDecoderFactory* external_decoder_factory);
   ~WebRtcVideoChannel2() override;
 
   // VideoMediaChannel implementation
+  rtc::DiffServCodePoint PreferredDscp() const override;
+
   bool SetSendParameters(const VideoSendParameters& params) override;
   bool SetRecvParameters(const VideoRecvParameters& params) override;
   bool GetSendCodec(VideoCodec* send_codec) override;
   bool SetSend(bool send) override;
   bool SetVideoSend(uint32_t ssrc,
                     bool mute,
                     const VideoOptions* options) override;
   bool AddSendStream(const StreamParams& sp) override;
   bool RemoveSendStream(uint32_t ssrc) override;
   bool AddRecvStream(const StreamParams& sp) override;
@@ skipping 322 matching lines @@
 
   uint32_t rtcp_receiver_report_ssrc_;
   bool sending_;
   webrtc::Call* const call_;
 
   uint32_t default_send_ssrc_;
 
   DefaultUnsignalledSsrcHandler default_unsignalled_ssrc_handler_;
   UnsignalledSsrcHandler* const unsignalled_ssrc_handler_;
 
+  const bool signal_cpu_adaptation_;
+  const bool disable_prerenderer_smoothing_;
+
   // Separate list of set capturers used to signal CPU adaptation. These should
   // not be locked while calling methods that take other locks to prevent
   // lock-order inversions.
   rtc::CriticalSection capturer_crit_;
-  bool signal_cpu_adaptation_ GUARDED_BY(capturer_crit_);
   std::map<uint32_t, VideoCapturer*> capturers_ GUARDED_BY(capturer_crit_);
 
   rtc::CriticalSection stream_crit_;
   // Using primary-ssrc (first ssrc) as key.
   std::map<uint32_t, WebRtcVideoSendStream*> send_streams_
       GUARDED_BY(stream_crit_);
   std::map<uint32_t, WebRtcVideoReceiveStream*> receive_streams_
       GUARDED_BY(stream_crit_);
   std::set<uint32_t> send_ssrcs_ GUARDED_BY(stream_crit_);
   std::set<uint32_t> receive_ssrcs_ GUARDED_BY(stream_crit_);
 
   rtc::Optional<VideoCodecSettings> send_codec_;
   std::vector<webrtc::RtpExtension> send_rtp_extensions_;
 
   WebRtcVideoEncoderFactory* const external_encoder_factory_;
   WebRtcVideoDecoderFactory* const external_decoder_factory_;
   std::vector<VideoCodecSettings> recv_codecs_;
   std::vector<webrtc::RtpExtension> recv_rtp_extensions_;
   webrtc::Call::Config::BitrateConfig bitrate_config_;
   VideoOptions options_;
   // TODO(deadbeef): Don't duplicate information between
   // send_params/recv_params, rtp_extensions, options, etc.
   VideoSendParameters send_params_;
   VideoRecvParameters recv_params_;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_MEDIA_ENGINE_WEBRTCVIDEOENGINE2_H_