Convert channel counts to size_t.

webrtc/common_audio/resampler/include/resampler.h

 /*
  *  Copyright (c) 2011 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 10 matching lines @@
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
 // All methods return 0 on success and -1 on failure.
 class Resampler
 {
 
 public:
     Resampler();
-    Resampler(int inFreq, int outFreq, int num_channels);
+    Resampler(int inFreq, int outFreq, size_t num_channels);
     ~Resampler();
 
     // Reset all states
-    int Reset(int inFreq, int outFreq, int num_channels);
+    int Reset(int inFreq, int outFreq, size_t num_channels);
 
     // Reset all states if any parameter has changed
-    int ResetIfNeeded(int inFreq, int outFreq, int num_channels);
+    int ResetIfNeeded(int inFreq, int outFreq, size_t num_channels);
 
     // Resample samplesIn to samplesOut.
     int Push(const int16_t* samplesIn, size_t lengthIn, int16_t* samplesOut,
              size_t maxLen, size_t &outLen);
 
 private:
     enum ResamplerMode
     {
         kResamplerMode1To1,
         kResamplerMode1To2,
@@ skipping 27 matching lines @@
     int16_t* in_buffer_;
     int16_t* out_buffer_;
     size_t in_buffer_size_;
     size_t out_buffer_size_;
     size_t in_buffer_size_max_;
     size_t out_buffer_size_max_;
 
     int my_in_frequency_khz_;
     int my_out_frequency_khz_;
     ResamplerMode my_mode_;
-    int num_channels_;
+    size_t num_channels_;
 
     // Extra instance for stereo
     Resampler* slave_left_;
     Resampler* slave_right_;
 };
 
 }  // namespace webrtc
 
 #endif // WEBRTC_RESAMPLER_RESAMPLER_H_