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

webrtc/modules/audio_coding/codecs/ilbc/augmented_cb_corr.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 10 matching lines @@
 #include "augmented_cb_corr.h"
 
 void WebRtcIlbcfix_AugmentedCbCorr(
     int16_t *target,   /* (i) Target vector */
     int16_t *buffer,   /* (i) Memory buffer */
     int16_t *interpSamples, /* (i) buffer with
                                      interpolated samples */
     int32_t *crossDot,  /* (o) The cross correlation between
                                  the target and the Augmented
                                  vector */
-    int16_t low,    /* (i) Lag to start from (typically
+    size_t low,    /* (i) Lag to start from (typically
                              20) */
-    int16_t high,   /* (i) Lag to end at (typically 39) */
+    size_t high,   /* (i) Lag to end at (typically 39) */
     int scale)   /* (i) Scale factor to use for
                               the crossDot */
 {
-  int lagcount;
-  int16_t ilow;
+  size_t lagcount;
+  size_t ilow;
   int16_t *targetPtr;
   int32_t *crossDotPtr;
   int16_t *iSPtr=interpSamples;
 
   /* Calculate the correlation between the target and the
      interpolated codebook. The correlation is calculated in
      3 sections with the interpolated part in the middle */
   crossDotPtr=crossDot;
   for (lagcount=low; lagcount<=high; lagcount++) {
 
-    ilow = (int16_t) (lagcount-4);
+    ilow = lagcount - 4;
 
     /* Compute dot product for the first (lagcount-4) samples */
     (*crossDotPtr) = WebRtcSpl_DotProductWithScale(target, buffer-lagcount, ilow, scale);
 
     /* Compute dot product on the interpolated samples */
     (*crossDotPtr) += WebRtcSpl_DotProductWithScale(target+ilow, iSPtr, 4, scale);
     targetPtr = target + lagcount;
     iSPtr += lagcount-ilow;
 
     /* Compute dot product for the remaining samples */
     (*crossDotPtr) += WebRtcSpl_DotProductWithScale(targetPtr, buffer-lagcount, SUBL-lagcount, scale);
     crossDotPtr++;
   }
 }