Update audio code to use size_t more correctly,

webrtc/modules/audio_coding/codecs/cng/webrtc_cng.c

 /*
  *  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.
  */
 
@@ skipping 17 matching lines @@
   int16_t dec_EfiltstateLow[WEBRTC_CNG_MAX_LPC_ORDER + 1];
   int16_t dec_order;
   int16_t dec_target_scale_factor;  /* Q29 */
   int16_t dec_used_scale_factor;  /* Q29 */
   int16_t target_scale_factor;  /* Q13 */
   int16_t errorcode;
   int16_t initflag;
 } WebRtcCngDecoder;
 
 typedef struct WebRtcCngEncoder_ {
-  int16_t enc_nrOfCoefs;
+  size_t enc_nrOfCoefs;
   int enc_sampfreq;
   int16_t enc_interval;
   int16_t enc_msSinceSID;
   int32_t enc_Energy;
   int16_t enc_reflCoefs[WEBRTC_CNG_MAX_LPC_ORDER + 1];
   int32_t enc_corrVector[WEBRTC_CNG_MAX_LPC_ORDER + 1];
   uint32_t enc_seed;
   int16_t errorcode;
   int16_t initflag;
 } WebRtcCngEncoder;
@@ skipping 172 matching lines @@
  * Input:
  *    - cng_inst      : Pointer to created instance
  *    - speech        : Signal (noise) to be analyzed
  *    - nrOfSamples   : Size of speech vector
  *    - bytesOut      : Nr of bytes to transmit, might be 0
  *
  * Return value       :  0 - Ok
  *                      -1 - Error
  */
 int WebRtcCng_Encode(CNG_enc_inst* cng_inst, int16_t* speech,
-                     int16_t nrOfSamples, uint8_t* SIDdata,
-                     int16_t* bytesOut, int16_t forceSID) {
+                     size_t nrOfSamples, uint8_t* SIDdata,
+                     size_t* bytesOut, int16_t forceSID) {
   WebRtcCngEncoder* inst = (WebRtcCngEncoder*) cng_inst;
 
   int16_t arCoefs[WEBRTC_CNG_MAX_LPC_ORDER + 1];
   int32_t corrVector[WEBRTC_CNG_MAX_LPC_ORDER + 1];
   int16_t refCs[WEBRTC_CNG_MAX_LPC_ORDER + 1];
   int16_t hanningW[WEBRTC_CNG_MAX_OUTSIZE_ORDER];
   int16_t ReflBeta = 19661;  /* 0.6 in q15. */
   int16_t ReflBetaComp = 13107;  /* 0.4 in q15. */
   int32_t outEnergy;
   int outShifts;
-  int i, stab;
+  size_t i;
+  int stab;
   int acorrScale;
-  int index;
-  int16_t ind, factor;
+  size_t index;
+  size_t ind, factor;
   int32_t* bptr;
   int32_t blo, bhi;
   int16_t negate;
   const int16_t* aptr;
   int16_t speechBuf[WEBRTC_CNG_MAX_OUTSIZE_ORDER];
 
   /* Check if encoder initiated. */
   if (inst->initflag != 1) {
     inst->errorcode = CNG_ENCODER_NOT_INITIATED;
     return -1;
@@ skipping 17 matching lines @@
     /* We can only do 5 shifts without destroying accuracy in
      * division factor. */
     if (outShifts > 5) {
       outEnergy <<= (outShifts - 5);
       outShifts = 5;
     } else {
       factor /= 2;
       outShifts--;
     }
   }
-  outEnergy = WebRtcSpl_DivW32W16(outEnergy, factor);
+  outEnergy = WebRtcSpl_DivW32W16(outEnergy, (int16_t)factor);
 
   if (outEnergy > 1) {
     /* Create Hanning Window. */
     WebRtcSpl_GetHanningWindow(hanningW, nrOfSamples / 2);
     for (i = 0; i < (nrOfSamples / 2); i++)
       hanningW[nrOfSamples - i - 1] = hanningW[i];
 
     WebRtcSpl_ElementwiseVectorMult(speechBuf, hanningW, speechBuf, nrOfSamples,
                                     14);
 
@@ skipping 88 matching lines @@
         /* Q15 to Q7 with rounding. */
         SIDdata[i + 1] = (127 + ((inst->enc_reflCoefs[i] + 128) >> 8));
       }
     }
 
     inst->enc_msSinceSID = 0;
     *bytesOut = inst->enc_nrOfCoefs + 1;
 
     inst->enc_msSinceSID +=
         (int16_t)((1000 * nrOfSamples) / inst->enc_sampfreq);
-    return inst->enc_nrOfCoefs + 1;
+    return (int)(inst->enc_nrOfCoefs + 1);
   } else {
     inst->enc_msSinceSID +=
         (int16_t)((1000 * nrOfSamples) / inst->enc_sampfreq);
     *bytesOut = 0;
     return 0;
   }
 }
 
 /****************************************************************************
  * WebRtcCng_UpdateSid(...)
@@ skipping 64 matching lines @@
  *
  * Input:
  *    - cng_inst      : Pointer to created instance that should be freed
  *    - outData       : pointer to area to write CN data
  *    - nrOfSamples   : How much data to generate
  *
  * Return value        :  0 - Ok
  *                       -1 - Error
  */
 int16_t WebRtcCng_Generate(CNG_dec_inst* cng_inst, int16_t* outData,
-                           int16_t nrOfSamples, int16_t new_period) {
+                           size_t nrOfSamples, int16_t new_period) {
   WebRtcCngDecoder* inst = (WebRtcCngDecoder*) cng_inst;
 
-  int i;
+  size_t i;
   int16_t excitation[WEBRTC_CNG_MAX_OUTSIZE_ORDER];
   int16_t low[WEBRTC_CNG_MAX_OUTSIZE_ORDER];
   int16_t lpPoly[WEBRTC_CNG_MAX_LPC_ORDER + 1];
   int16_t ReflBetaStd = 26214;  /* 0.8 in q15. */
   int16_t ReflBetaCompStd = 6553;  /* 0.2 in q15. */
   int16_t ReflBetaNewP = 19661;  /* 0.6 in q15. */
   int16_t ReflBetaCompNewP = 13107;  /* 0.4 in q15. */
   int16_t Beta, BetaC, tmp1, tmp2, tmp3;
   int32_t targetEnergy;
   int16_t En;
@@ skipping 103 matching lines @@
   /* Typecast pointer to real structure. */
   WebRtcCngEncoder* inst = (WebRtcCngEncoder*) cng_inst;
   return inst->errorcode;
 }
 
 int16_t WebRtcCng_GetErrorCodeDec(CNG_dec_inst* cng_inst) {
   /* Typecast pointer to real structure. */
   WebRtcCngDecoder* inst = (WebRtcCngDecoder*) cng_inst;
   return inst->errorcode;
 }