Moves channel-dependent audio input processing to separate encoder task queue

webrtc/voice_engine/transmit_mixer.h

 /*
  *  Copyright (c) 2012 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 14 matching lines @@
 #include "webrtc/voice_engine/monitor_module.h"
 #include "webrtc/voice_engine/voice_engine_defines.h"
 
 #if !defined(WEBRTC_ANDROID) && !defined(WEBRTC_IOS)
 #define WEBRTC_VOICE_ENGINE_TYPING_DETECTION 1
 #else
 #define WEBRTC_VOICE_ENGINE_TYPING_DETECTION 0
 #endif
 
 namespace webrtc {
-
 class AudioProcessing;
 class ProcessThread;
 
 namespace voe {
 
 class ChannelManager;
 class MixedAudio;
 class Statistics;
 
 class TransmitMixer : public FileCallback {
@@ skipping 11 matching lines @@
 
     int32_t PrepareDemux(const void* audioSamples,
                          size_t nSamples,
                          size_t nChannels,
                          uint32_t samplesPerSec,
                          uint16_t totalDelayMS,
                          int32_t  clockDrift,
                          uint16_t currentMicLevel,
                          bool keyPressed);
 
-
-    int32_t DemuxAndMix();
-    // Used by the Chrome to pass the recording data to the specific VoE
-    // channels for demux.
-    void DemuxAndMix(const int voe_channels[], size_t number_of_voe_channels);
-
-    int32_t EncodeAndSend();
-    // Used by the Chrome to pass the recording data to the specific VoE
-    // channels for encoding and sending to the network.
-    void EncodeAndSend(const int voe_channels[], size_t number_of_voe_channels);
+    void ProcessAndEncodeAudio();
 
     // Must be called on the same thread as PrepareDemux().
     uint32_t CaptureLevel() const;
 
     int32_t StopSend();
 
     // TODO(solenberg): Remove, once AudioMonitor is gone.
     int8_t AudioLevel() const;
 
     // 'virtual' to allow mocking.
@@ skipping 126 matching lines @@
     int _instanceId = 0;
     bool _mixFileWithMicrophone = false;
     uint32_t _captureLevel = 0;
     bool stereo_codec_ = false;
     bool swap_stereo_channels_ = false;
 };
 }  // namespace voe
 }  // namespace webrtc
 
 #endif  // WEBRTC_VOICE_ENGINE_TRANSMIT_MIXER_H