Match existing type usage better.

webrtc/modules/audio_coding/codecs/isac/fix/source/decode_plc.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 429 matching lines @@
     myDecayRate += (DECAY_RATE<<3);
   }
 
   /* ------------ reconstructing the residual signal ------------------ */
 
   LinearResampler( (ISACdec_obj->plcstr_obj).lastPitchLP,
                    stretchPitchLP, lag0, (ISACdec_obj->plcstr_obj).stretchLag );
   /* inverse pitch filter */
 
   pitchLags_Q7[0] = pitchLags_Q7[1] = pitchLags_Q7[2] = pitchLags_Q7[3] =
-      ((ISACdec_obj->plcstr_obj).stretchLag<<7);
+      (int16_t)((ISACdec_obj->plcstr_obj).stretchLag<<7);
   pitchGains_Q12[3] = ( (ISACdec_obj->plcstr_obj).lastPitchGain_Q12);
   pitchGains_Q12[2] = (int16_t)(pitchGains_Q12[3] * 1010 >> 10);
   pitchGains_Q12[1] = (int16_t)(pitchGains_Q12[2] * 1010 >> 10);
   pitchGains_Q12[0] = (int16_t)(pitchGains_Q12[1] * 1010 >> 10);
 
 
   /* most of the time either B or A are zero so seperating */
   if( (ISACdec_obj->plcstr_obj).B == 0 )
   {
     for( i = 0; i < FRAMESAMPLES_HALF; i++ )
@@ skipping 281 matching lines @@
   k = (ISACdec_obj->plcstr_obj).pitchIndex;
   /* --- Write one pitch cycle for recovery block --- */
 
   for( i = 0; i < RECOVERY_OVERLAP; i++ )
   {
     ISACdec_obj->plcstr_obj.overlapLP[i] = (int16_t)(
         stretchPitchLP[k] * ISACdec_obj->plcstr_obj.decayCoeffPriodic >> 15);
     k = ( k < ((ISACdec_obj->plcstr_obj).stretchLag - 1) )? (k+1):0;
   }
 
-  (ISACdec_obj->plcstr_obj).lastPitchLag_Q7 = (ISACdec_obj->plcstr_obj).stretchLag << 7;
+  (ISACdec_obj->plcstr_obj).lastPitchLag_Q7 =
+      (int16_t)((ISACdec_obj->plcstr_obj).stretchLag << 7);
 
 
   /* --- Inverse Pitch Filter --- */
   WebRtcIsacfix_PitchFilter(Vector_Word16_1, Vector_Word16_2,
                             &ISACdec_obj->pitchfiltstr_obj, pitchLags_Q7, pitchGains_Q12, 4);
 
   /* reduce gain to compensate for pitch enhancer */
   /* gain = 1.0f - 0.45f * AvgPitchGain; */
   tmp32a = ISACdec_obj->plcstr_obj.AvgPitchGain_Q12 * 29;  // Q18
   tmp32b = 262144 - tmp32a;  // Q18
@@ skipping 29 matching lines @@
 
 
   WebRtcIsacfix_FilterAndCombine1(Vector_Word16_1,
                                   Vector_Word16_2, signal_out16, &ISACdec_obj->postfiltbankstr_obj);
 
   (ISACdec_obj->plcstr_obj).used = PLC_WAS_USED;
   *current_framesamples = 480;
 
   return len;
 }