Update audio code to use size_t more correctly, webrtc/modules/audio_processing/

webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer.h

Index: webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer.h
diff --git a/webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer.h b/webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer.h
index 7f18be8c6e4ef7e428c5bb73331ed84408f9cf15..a858d3c67f11b5ceec9d503d88ff0103a0ced574 100644
--- a/webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer.h
+++ b/webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer.h
@@ -43,12 +43,12 @@ class IntelligibilityEnhancer {
   // TODO(bercic): the |cv_*|, |*_rate| and |gain_limit| parameters should
   // probably go away once fine tuning is done. They override the internal
   // constants in the class (kGainChangeLimit, kAnalyzeRate, kVarianceRate).
-  IntelligibilityEnhancer(int erb_resolution,
+  IntelligibilityEnhancer(size_t erb_resolution,
                           int sample_rate_hz,
                           int channels,
                           int cv_type,
                           float cv_alpha,
-                          int cv_win,
+                          size_t cv_win,
                           int analysis_rate,
                           int variance_rate,
                           float gain_limit);
@@ -75,7 +75,7 @@ class IntelligibilityEnhancer {
     // intelligibility enhancement, and writes result to |out_block|.
     void ProcessAudioBlock(const std::complex<float>* const* in_block,
                            int in_channels,
-                           int frames,
+                           size_t frames,
                            int out_channels,
                            std::complex<float>* const* out_block) override;
 
@@ -111,26 +111,26 @@ class IntelligibilityEnhancer {
                          std::complex<float>* out_block);
 
   // Returns number of ERB filters.
-  static int GetBankSize(int sample_rate, int erb_resolution);
+  static size_t GetBankSize(int sample_rate, size_t erb_resolution);
 
   // Initializes ERB filterbank.
   void CreateErbBank();
 
   // Analytically solves quadratic for optimal gains given |lambda|.
   // Negative gains are set to 0. Stores the results in |sols|.
-  void SolveForGainsGivenLambda(float lambda, int start_freq, float* sols);
+  void SolveForGainsGivenLambda(float lambda, size_t start_freq, float* sols);
 
   // Computes variance across ERB filters from freq variance |var|.
   // Stores in |result|.
   void FilterVariance(const float* var, float* result);
 
   // Returns dot product of vectors specified by size |length| arrays |a|,|b|.
-  static float DotProduct(const float* a, const float* b, int length);
+  static float DotProduct(const float* a, const float* b, size_t length);
 
-  const int freqs_;         // Num frequencies in frequency domain.
-  const int window_size_;   // Window size in samples; also the block size.
-  const int chunk_length_;  // Chunk size in samples.
-  const int bank_size_;     // Num ERB filters.
+  const size_t freqs_;         // Num frequencies in frequency domain.
+  const size_t window_size_;   // Window size in samples; also the block size.
+  const size_t chunk_length_;  // Chunk size in samples.
+  const size_t bank_size_;     // Num ERB filters.
   const int sample_rate_hz_;
   const int erb_resolution_;
   const int channels_;       // Num channels.
@@ -143,7 +143,7 @@ class IntelligibilityEnhancer {
   rtc::scoped_ptr<float[]> filtered_noise_var_;
   std::vector<std::vector<float>> filter_bank_;
   rtc::scoped_ptr<float[]> center_freqs_;
-  int start_freq_;
+  size_t start_freq_;
   rtc::scoped_ptr<float[]> rho_;  // Production and interpretation SNR.
                                   // for each ERB band.
   rtc::scoped_ptr<float[]> gains_eq_;  // Pre-filter modified gains.