Update a ton of audio code to use size_t more correctly and in general reduce

webrtc/modules/audio_coding/codecs/isac/fix/source/decode.c

 /*
  *  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 11 matching lines @@
 #include "entropy_coding.h"
 #include "pitch_estimator.h"
 #include "settings.h"
 #include "structs.h"
 
 
 
 
 int WebRtcIsacfix_DecodeImpl(int16_t* signal_out16,
                              IsacFixDecoderInstance* ISACdec_obj,
-                             int16_t* current_framesamples)
+                             size_t* current_framesamples)
 {
   int k;
   int err;
   int16_t BWno;
   int len = 0;
 
   int16_t model;
 
 
   int16_t Vector_Word16_1[FRAMESAMPLES/2];
   int16_t Vector_Word16_2[FRAMESAMPLES/2];
 
   int32_t Vector_Word32_1[FRAMESAMPLES/2];
   int32_t Vector_Word32_2[FRAMESAMPLES/2];
 
   int16_t lofilt_coefQ15[ORDERLO*SUBFRAMES]; //refl. coeffs
   int16_t hifilt_coefQ15[ORDERHI*SUBFRAMES]; //refl. coeffs
   int32_t gain_lo_hiQ17[2*SUBFRAMES];
 
   int16_t PitchLags_Q7[PITCH_SUBFRAMES];
   int16_t PitchGains_Q12[PITCH_SUBFRAMES];
   int16_t AvgPitchGain_Q12;
 
   int16_t tmp_1, tmp_2;
   int32_t tmp32a;
   int16_t gainQ13;
 
 
-  int16_t frame_nb; /* counter */
-  int16_t frame_mode; /* 0 for 30ms, 1 for 60ms */
-  static const int16_t kProcessedSamples = 480; /* 480 (for both 30, 60 ms) */
+  size_t frame_nb; /* counter */
+  size_t frame_mode; /* 0 for 30ms, 1 for 60ms */
+  static const size_t kProcessedSamples = 480; /* 480 (for both 30, 60 ms) */
 
   /* PLC */
   int16_t overlapWin[ 240 ];
 
   (ISACdec_obj->bitstr_obj).W_upper = 0xFFFFFFFF;
   (ISACdec_obj->bitstr_obj).streamval = 0;
   (ISACdec_obj->bitstr_obj).stream_index = 0;
   (ISACdec_obj->bitstr_obj).full = 1;
 
 
@@ skipping 138 matching lines @@
     }
 
     WebRtcIsacfix_FilterAndCombine1(Vector_Word16_1,
                                     Vector_Word16_2,
                                     signal_out16 + frame_nb * kProcessedSamples,
                                     &ISACdec_obj->postfiltbankstr_obj);
 
   }
   return len;
 }