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

webrtc/modules/audio_processing/ns/include/noise_suppression.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.
  */
 
 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_NS_INCLUDE_NOISE_SUPPRESSION_H_
 #define WEBRTC_MODULES_AUDIO_PROCESSING_NS_INCLUDE_NOISE_SUPPRESSION_H_
 
+#include <stddef.h>
+
 #include "webrtc/typedefs.h"
 
 typedef struct NsHandleT NsHandle;
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 /*
  * This function creates an instance of the floating point Noise Suppression.
@@ skipping 61 matching lines @@
  *      - NS_inst       : Noise suppression instance.
  *      - spframe       : Pointer to speech frame buffer for each band
  *      - num_bands     : Number of bands
  *
  * Output:
  *      - NS_inst       : Updated NS instance
  *      - outframe      : Pointer to output frame for each band
  */
 void WebRtcNs_Process(NsHandle* NS_inst,
                      const float* const* spframe,
-                     int num_bands,
+                     size_t num_bands,
                      float* const* outframe);
 
 /* Returns the internally used prior speech probability of the current frame.
  * There is a frequency bin based one as well, with which this should not be
  * confused.
  *
  * Input
  *      - handle        : Noise suppression instance.
  *
  * Return value         : Prior speech probability in interval [0.0, 1.0].
  *                        -1 - NULL pointer or uninitialized instance.
  */
 float WebRtcNs_prior_speech_probability(NsHandle* handle);
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_NS_INCLUDE_NOISE_SUPPRESSION_H_