Revert "Upconvert various types to int."

webrtc/modules/audio_coding/codecs/isac/fix/source/entropy_coding.h

 /*
  *  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.
  */
 
 /*
  * entropy_coding.h
  *
  * This header file contains all of the functions used to arithmetically
  * encode the iSAC bistream
  *
  */
 
 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_ENTROPY_CODING_H_
 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_ENTROPY_CODING_H_
 
 #include "structs.h"
 
 /* decode complex spectrum (return number of bytes in stream) */
-int WebRtcIsacfix_DecodeSpec(Bitstr_dec  *streamdata,
-                             int16_t *frQ7,
-                             int16_t *fiQ7,
-                             int16_t AvgPitchGain_Q12);
+int16_t WebRtcIsacfix_DecodeSpec(Bitstr_dec  *streamdata,
+                                 int16_t *frQ7,
+                                 int16_t *fiQ7,
+                                 int16_t AvgPitchGain_Q12);
 
 /* encode complex spectrum */
 int WebRtcIsacfix_EncodeSpec(const int16_t *fr,
                              const int16_t *fi,
                              Bitstr_enc *streamdata,
                              int16_t AvgPitchGain_Q12);
 
 
 /* decode & dequantize LPC Coef */
 int WebRtcIsacfix_DecodeLpcCoef(Bitstr_dec  *streamdata,
@@ skipping 141 matching lines @@
                                       const int shift);
 
 void WebRtcIsacfix_MatrixProduct2MIPS(const int16_t matrix0[],
                                       const int32_t matrix1[],
                                       int32_t matrix_product[],
                                       const int matrix0_index_factor,
                                       const int matrix0_index_step);
 #endif
 
 #endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_ENTROPY_CODING_H_