1b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* 2b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * 4b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * Use of this source code is governed by a BSD-style license 5b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * that can be found in the LICENSE file in the root of the source 6b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * tree. An additional intellectual property rights grant can be found 7b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * in the file PATENTS. All contributing project authors may 8b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * be found in the AUTHORS file in the root of the source tree. 9b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org */ 10b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 11b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/****************************************************************** 12b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 13b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org iLBC Speech Coder ANSI-C Source Code 14b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 15b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org WebRtcIlbcfix_Smooth_odata.c 16b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 17b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org******************************************************************/ 18b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 19b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#include "defines.h" 20b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#include "constants.h" 21b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 22fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.orgint32_t WebRtcIlbcfix_Smooth_odata( 23fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.org int16_t *odata, 24fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.org int16_t *psseq, 25fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.org int16_t *surround, 26fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.org int16_t C) 27b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org{ 28b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org int i; 29b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 30fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.org int16_t err; 31fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.org int32_t errs; 32b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 33b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org for(i=0;i<80;i++) { 34fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.org odata[i]= (int16_t)WEBRTC_SPL_RSHIFT_W32( 35b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org (WEBRTC_SPL_MUL_16_16(C, surround[i])+1024), 11); 36b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org } 37b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 38b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org errs=0; 39b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org for(i=0;i<80;i++) { 40fbda0fcf2f9e82c82bcaac138f44d4e5144f6e0dpbos@webrtc.org err=(int16_t)WEBRTC_SPL_RSHIFT_W16((psseq[i]-odata[i]), 3); 41b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org errs+=WEBRTC_SPL_MUL_16_16(err, err); /* errs in Q-6 */ 42b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org } 43b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 44b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org return errs; 45b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org} 46