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

webrtc/modules/audio_coding/codecs/ilbc/interface/ilbc.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.
  */
 
 /*
  * ilbc.h
  *
  * This header file contains all of the API's for iLBC.
  *
  */
 
 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_INTERFACE_ILBC_H_
 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_INTERFACE_ILBC_H_
 
+#include <stddef.h>
+
 /*
  * Define the fixpoint numeric formats
  */
 
 #include "webrtc/typedefs.h"
 
 /*
  * Solution to support multiple instances
  * Customer has to cast instance to proper type
  */
@@ skipping 99 matching lines @@
    *
    * Output:
    *  - encoded               : The encoded data vector
    *
    * Return value             : >0 - Length (in bytes) of coded data
    *                            -1 - Error
    */
 
   int WebRtcIlbcfix_Encode(IlbcEncoderInstance *iLBCenc_inst,
                            const int16_t *speechIn,
-                           int16_t len,
+                           size_t len,
                            uint8_t* encoded);
 
   /****************************************************************************
    * WebRtcIlbcfix_DecoderInit(...)
    *
    * This function initializes a iLBC instance with either 20 or 30 ms frames
    * Alternatively the WebRtcIlbcfix_DecoderInit_XXms can be used. Then it's
    * not needed to specify the frame length with a variable.
    *
    * Input:
@@ skipping 24 matching lines @@
    * Output:
    *      - decoded           : The decoded vector
    *      - speechType        : 1 normal, 2 CNG
    *
    * Return value             : >0 - Samples in decoded vector
    *                            -1 - Error
    */
 
   int WebRtcIlbcfix_Decode(IlbcDecoderInstance* iLBCdec_inst,
                            const uint8_t* encoded,
-                           int16_t len,
+                           size_t len,
                            int16_t* decoded,
                            int16_t* speechType);
   int WebRtcIlbcfix_Decode20Ms(IlbcDecoderInstance* iLBCdec_inst,
                                const uint8_t* encoded,
-                               int16_t len,
+                               size_t len,
                                int16_t* decoded,
                                int16_t* speechType);
   int WebRtcIlbcfix_Decode30Ms(IlbcDecoderInstance* iLBCdec_inst,
                                const uint8_t* encoded,
-                               int16_t len,
+                               size_t len,
                                int16_t* decoded,
                                int16_t* speechType);
 
   /****************************************************************************
    * WebRtcIlbcfix_DecodePlc(...)
    *
    * This function conducts PLC for iLBC frame(s). Output speech length
    * will be a multiple of 160 or 240 samples.
    *
    * Input:
    *      - iLBCdec_inst      : iLBC instance, i.e. the user that should perform
    *                            a PLC
    *      - noOfLostFrames    : Number of PLC frames to produce
    *
    * Output:
    *      - decoded           : The "decoded" vector
    *
-   * Return value             : >0 - Samples in decoded PLC vector
-   *                            -1 - Error
+   * Return value             : Samples in decoded PLC vector
    */
 
-  int16_t WebRtcIlbcfix_DecodePlc(IlbcDecoderInstance *iLBCdec_inst,
-                                  int16_t *decoded,
-                                  int16_t noOfLostFrames);
+  size_t WebRtcIlbcfix_DecodePlc(IlbcDecoderInstance *iLBCdec_inst,
+                                 int16_t *decoded,
+                                 size_t noOfLostFrames);
 
   /****************************************************************************
    * WebRtcIlbcfix_NetEqPlc(...)
    *
    * This function updates the decoder when a packet loss has occured, but it
    * does not produce any PLC data. Function can be used if another PLC method
    * is used (i.e NetEq).
    *
    * Input:
    *      - iLBCdec_inst      : iLBC instance that should be updated
    *      - noOfLostFrames    : Number of lost frames
    *
    * Output:
    *      - decoded           : The "decoded" vector (nothing in this case)
    *
-   * Return value             : >0 - Samples in decoded PLC vector
-   *                            -1 - Error
+   * Return value             : Samples in decoded PLC vector
    */
 
-  int16_t WebRtcIlbcfix_NetEqPlc(IlbcDecoderInstance *iLBCdec_inst,
-                                 int16_t *decoded,
-                                 int16_t noOfLostFrames);
+  size_t WebRtcIlbcfix_NetEqPlc(IlbcDecoderInstance *iLBCdec_inst,
+                                int16_t *decoded,
+                                size_t noOfLostFrames);
 
   /****************************************************************************
    * WebRtcIlbcfix_version(...)
    *
    * This function returns the version number of iLBC
    *
    * Output:
    *      - version           : Version number of iLBC (maximum 20 char)
    */
 
   void WebRtcIlbcfix_version(char *version);
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif