[NOT FOR REVIEW] Convert channel counts to size_t.

webrtc/voice_engine/voe_base_impl.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 37 matching lines @@
   int GetVersion(char version[1024]) override;
 
   int LastError() override;
 
   AudioTransport* audio_transport() override { return this; }
 
   int AssociateSendChannel(int channel, int accociate_send_channel) override;
 
   // AudioTransport
   int32_t RecordedDataIsAvailable(const void* audioSamples, size_t nSamples,
-                                  size_t nBytesPerSample, uint8_t nChannels,
+                                  size_t nBytesPerSample, size_t nChannels,
                                   uint32_t samplesPerSec, uint32_t totalDelayMS,
                                   int32_t clockDrift, uint32_t micLevel,
                                   bool keyPressed,
                                   uint32_t& newMicLevel) override;
   int32_t NeedMorePlayData(size_t nSamples, size_t nBytesPerSample,
-                           uint8_t nChannels, uint32_t samplesPerSec,
+                           size_t nChannels, uint32_t samplesPerSec,
                            void* audioSamples, size_t& nSamplesOut,
                            int64_t* elapsed_time_ms,
                            int64_t* ntp_time_ms) override;
-  int OnDataAvailable(const int voe_channels[], int number_of_voe_channels,
+  int OnDataAvailable(const int voe_channels[], size_t number_of_voe_channels,
                       const int16_t* audio_data, int sample_rate,
-                      int number_of_channels, size_t number_of_frames,
+                      size_t number_of_channels, size_t number_of_frames,
                       int audio_delay_milliseconds, int volume,
                       bool key_pressed, bool need_audio_processing) override;
   void OnData(int voe_channel, const void* audio_data, int bits_per_sample,
-              int sample_rate, int number_of_channels,
+              int sample_rate, size_t number_of_channels,
               size_t number_of_frames) override;
   void PushCaptureData(int voe_channel, const void* audio_data,
                        int bits_per_sample, int sample_rate,
-                       int number_of_channels,
+                       size_t number_of_channels,
                        size_t number_of_frames) override;
   void PullRenderData(int bits_per_sample, int sample_rate,
-                      int number_of_channels, size_t number_of_frames,
+                      size_t number_of_channels, size_t number_of_frames,
                       void* audio_data, int64_t* elapsed_time_ms,
                       int64_t* ntp_time_ms) override;
 
   // AudioDeviceObserver
   void OnErrorIsReported(ErrorCode error) override;
   void OnWarningIsReported(WarningCode warning) override;
 
  protected:
   VoEBaseImpl(voe::SharedData* shared);
   ~VoEBaseImpl() override;
 
  private:
   int32_t StartPlayout();
   int32_t StopPlayout();
   int32_t StartSend();
   int32_t StopSend();
   int32_t TerminateInternal();
 
   // Helper function to process the recorded data with AudioProcessing Module,
   // demultiplex the data to specific voe channels, encode and send to the
   // network. When |number_of_VoE_channels| is 0, it will demultiplex the
   // data to all the existing VoE channels.
   // It returns new AGC microphone volume or 0 if no volume changes
   // should be done.
   int ProcessRecordedDataWithAPM(
-      const int voe_channels[], int number_of_voe_channels,
-      const void* audio_data, uint32_t sample_rate, uint8_t number_of_channels,
+      const int voe_channels[], size_t number_of_voe_channels,
+      const void* audio_data, uint32_t sample_rate, size_t number_of_channels,
       size_t number_of_frames, uint32_t audio_delay_milliseconds,
       int32_t clock_drift, uint32_t volume, bool key_pressed);
 
-  void GetPlayoutData(int sample_rate, int number_of_channels,
+  void GetPlayoutData(int sample_rate, size_t number_of_channels,
                       size_t number_of_frames, bool feed_data_to_apm,
                       void* audio_data, int64_t* elapsed_time_ms,
                       int64_t* ntp_time_ms);
 
   int32_t AddVoEVersion(char* str) const;
 
   // Initialize channel by setting Engine Information then initializing
   // channel.
   int InitializeChannel(voe::ChannelOwner* channel_owner);
 #ifdef WEBRTC_EXTERNAL_TRANSPORT
   int32_t AddExternalTransportBuild(char* str) const;
 #endif
   VoiceEngineObserver* voiceEngineObserverPtr_;
   CriticalSectionWrapper& callbackCritSect_;
 
   AudioFrame audioFrame_;
   voe::SharedData* shared_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_VOICE_ENGINE_VOE_BASE_IMPL_H