Reland "Upconvert various types to int.", common_audio portion.

webrtc/common_audio/signal_processing/include/signal_processing_library.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.
  */
 
@@ skipping 524 matching lines @@
 //                            |vector2| pointer should be updated for each new
 //                            cross-correlation value.
 //
 // Output:
 //      - cross_correlation : The cross-correlation in Q(-right_shifts)
 typedef void (*CrossCorrelation)(int32_t* cross_correlation,
                                  const int16_t* seq1,
                                  const int16_t* seq2,
                                  int16_t dim_seq,
                                  int16_t dim_cross_correlation,
-                                 int16_t right_shifts,
-                                 int16_t step_seq2);
+                                 int right_shifts,
+                                 int step_seq2);
 extern CrossCorrelation WebRtcSpl_CrossCorrelation;
 void WebRtcSpl_CrossCorrelationC(int32_t* cross_correlation,
                                  const int16_t* seq1,
                                  const int16_t* seq2,
                                  int16_t dim_seq,
                                  int16_t dim_cross_correlation,
-                                 int16_t right_shifts,
-                                 int16_t step_seq2);
+                                 int right_shifts,
+                                 int step_seq2);
 #if (defined WEBRTC_DETECT_NEON) || (defined WEBRTC_HAS_NEON)
 void WebRtcSpl_CrossCorrelationNeon(int32_t* cross_correlation,
                                     const int16_t* seq1,
                                     const int16_t* seq2,
                                     int16_t dim_seq,
                                     int16_t dim_cross_correlation,
-                                    int16_t right_shifts,
-                                    int16_t step_seq2);
+                                    int right_shifts,
+                                    int step_seq2);
 #endif
 #if defined(MIPS32_LE)
 void WebRtcSpl_CrossCorrelation_mips(int32_t* cross_correlation,
                                      const int16_t* seq1,
                                      const int16_t* seq2,
                                      int16_t dim_seq,
                                      int16_t dim_cross_correlation,
-                                     int16_t right_shifts,
-                                     int16_t step_seq2);
+                                     int right_shifts,
+                                     int step_seq2);
 #endif
 
 // Creates (the first half of) a Hanning window. Size must be at least 1 and
 // at most 512.
 //
 // Input:
 //      - size      : Length of the requested Hanning window (1 to 512)
 //
 // Output:
 //      - window    : Hanning vector in Q14.
@@ skipping 1073 matching lines @@
 // This function multiply a 16-bit word by a 16-bit word, and accumulate this
 // value to a 32-bit integer.
 //
 // Input:
 //      - a    : The value of the first 16-bit word.
 //      - b    : The value of the second 16-bit word.
 //      - c    : The value of an 32-bit integer.
 //
 // Return Value: The value of a * b + c.
 //