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

webrtc/modules/audio_coding/codecs/ilbc/filtered_cb_vecs.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 @@
 /*----------------------------------------------------------------*
  *  Construct an additional codebook vector by filtering the
  *  initial codebook buffer. This vector is then used to expand
  *  the codebook with an additional section.
  *---------------------------------------------------------------*/
 
 void WebRtcIlbcfix_FilteredCbVecs(
     int16_t *cbvectors, /* (o) Codebook vector for the higher section */
     int16_t *CBmem,  /* (i) Codebook memory that is filtered to create a
                                            second CB section */
-    int lMem,  /* (i) Length of codebook memory */
-    int16_t samples    /* (i) Number of samples to filter */
+    size_t lMem,  /* (i) Length of codebook memory */
+    size_t samples    /* (i) Number of samples to filter */
                                   ) {
 
   /* Set up the memory, start with zero state */
   WebRtcSpl_MemSetW16(CBmem+lMem, 0, CB_HALFFILTERLEN);
   WebRtcSpl_MemSetW16(CBmem-CB_HALFFILTERLEN, 0, CB_HALFFILTERLEN);
   WebRtcSpl_MemSetW16(cbvectors, 0, lMem-samples);
 
   /* Filter to obtain the filtered CB memory */
 
   WebRtcSpl_FilterMAFastQ12(
       CBmem+CB_HALFFILTERLEN+lMem-samples, cbvectors+lMem-samples,
       (int16_t*)WebRtcIlbcfix_kCbFiltersRev, CB_FILTERLEN, samples);
 
   return;
 }