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      1 /*
      2  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef WEBRTC_AUDIO_AUDIO_SEND_STREAM_H_
     12 #define WEBRTC_AUDIO_AUDIO_SEND_STREAM_H_
     13 
     14 #include "webrtc/audio_send_stream.h"
     15 #include "webrtc/audio_state.h"
     16 #include "webrtc/base/thread_checker.h"
     17 #include "webrtc/base/scoped_ptr.h"
     18 
     19 namespace webrtc {
     20 class CongestionController;
     21 class VoiceEngine;
     22 
     23 namespace voe {
     24 class ChannelProxy;
     25 }  // namespace voe
     26 
     27 namespace internal {
     28 class AudioSendStream final : public webrtc::AudioSendStream {
     29  public:
     30   AudioSendStream(const webrtc::AudioSendStream::Config& config,
     31                   const rtc::scoped_refptr<webrtc::AudioState>& audio_state,
     32                   CongestionController* congestion_controller);
     33   ~AudioSendStream() override;
     34 
     35   // webrtc::SendStream implementation.
     36   void Start() override;
     37   void Stop() override;
     38   void SignalNetworkState(NetworkState state) override;
     39   bool DeliverRtcp(const uint8_t* packet, size_t length) override;
     40 
     41   // webrtc::AudioSendStream implementation.
     42   bool SendTelephoneEvent(int payload_type, uint8_t event,
     43                           uint32_t duration_ms) override;
     44   webrtc::AudioSendStream::Stats GetStats() const override;
     45 
     46   const webrtc::AudioSendStream::Config& config() const;
     47 
     48  private:
     49   VoiceEngine* voice_engine() const;
     50 
     51   rtc::ThreadChecker thread_checker_;
     52   const webrtc::AudioSendStream::Config config_;
     53   rtc::scoped_refptr<webrtc::AudioState> audio_state_;
     54   rtc::scoped_ptr<voe::ChannelProxy> channel_proxy_;
     55 
     56   RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(AudioSendStream);
     57 };
     58 }  // namespace internal
     59 }  // namespace webrtc
     60 
     61 #endif  // WEBRTC_AUDIO_AUDIO_SEND_STREAM_H_
     62