generic-library/webrtc
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4 4adac7df-926f-26a2-2b94-8c16560cd09d

Browse Source
This commit is contained in:
niklase@google.com
2011-05-30 11:22:19 +00:00
parent 01813fe945
commit 77ae29bc81
1153 changed files with 404089 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

98
modules/audio_coding/codecs/iSAC/fix/source/lpc_tables.h Normal file
View File

@@ -0,0 +1,98 @@
/*
* 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.
*/
/*
* lpc_tables.h
*
* header file for coding tables for the LPC coefficients
*
*/
#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_LPC_TABLES_H_
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_LPC_TABLES_H_
#include "typedefs.h"
/* indices of KLT coefficients used */
extern const WebRtc_UWord16 WebRtcIsacfix_kSelIndGain[12];
extern const WebRtc_UWord16 WebRtcIsacfix_kSelIndShape[108];
/* cdf array for model indicator */
extern const WebRtc_UWord16 WebRtcIsacfix_kModelCdf[KLT_NUM_MODELS+1];
/* pointer to cdf array for model indicator */
extern const WebRtc_UWord16 *WebRtcIsacfix_kModelCdfPtr[1];
/* initial cdf index for decoder of model indicator */
extern const WebRtc_UWord16 WebRtcIsacfix_kModelInitIndex[1];
/* offset to go from rounded value to quantization index */
extern const WebRtc_Word16 WebRtcIsacfix_kQuantMinGain[12];
extern const WebRtc_Word16 WebRtcIsacfix_kQuantMinShape[108];
/* maximum quantization index */
extern const WebRtc_UWord16 WebRtcIsacfix_kMaxIndGain[12];
extern const WebRtc_UWord16 WebRtcIsacfix_kMaxIndShape[108];
/* index offset */
extern const WebRtc_UWord16 WebRtcIsacfix_kOffsetGain[KLT_NUM_MODELS][12];
extern const WebRtc_UWord16 WebRtcIsacfix_kOffsetShape[KLT_NUM_MODELS][108];
/* initial cdf index for KLT coefficients */
extern const WebRtc_UWord16 WebRtcIsacfix_kInitIndexGain[KLT_NUM_MODELS][12];
extern const WebRtc_UWord16 WebRtcIsacfix_kInitIndexShape[KLT_NUM_MODELS][108];
/* offsets for quantizer representation levels */
extern const WebRtc_UWord16 WebRtcIsacfix_kOfLevelsGain[3];
extern const WebRtc_UWord16 WebRtcIsacfix_kOfLevelsShape[3];
/* quantizer representation levels */
extern const WebRtc_Word32 WebRtcIsacfix_kLevelsGainQ17[1176];
extern const WebRtc_Word16 WebRtcIsacfix_kLevelsShapeQ10[1735];
/* cdf tables for quantizer indices */
extern const WebRtc_UWord16 WebRtcIsacfix_kCdfGain[1212];
extern const WebRtc_UWord16 WebRtcIsacfix_kCdfShape[2059];
/* pointers to cdf tables for quantizer indices */
extern const WebRtc_UWord16 *WebRtcIsacfix_kCdfGainPtr[KLT_NUM_MODELS][12];
extern const WebRtc_UWord16 *WebRtcIsacfix_kCdfShapePtr[KLT_NUM_MODELS][108];
/* code length for all coefficients using different models */
extern const WebRtc_Word16 WebRtcIsacfix_kCodeLenGainQ11[392];
extern const WebRtc_Word16 WebRtcIsacfix_kCodeLenShapeQ11[577];
/* left KLT transforms */
extern const WebRtc_Word16 WebRtcIsacfix_kT1GainQ15[KLT_NUM_MODELS][4];
extern const WebRtc_Word16 WebRtcIsacfix_kT1ShapeQ15[KLT_NUM_MODELS][324];
/* right KLT transforms */
extern const WebRtc_Word16 WebRtcIsacfix_kT2GainQ15[KLT_NUM_MODELS][36];
extern const WebRtc_Word16 WebRtcIsacfix_kT2ShapeQ15[KLT_NUM_MODELS][36];
/* means of log gains and LAR coefficients */
extern const WebRtc_Word16 WebRtcIsacfix_kMeansGainQ8[KLT_NUM_MODELS][12];
extern const WebRtc_Word32 WebRtcIsacfix_kMeansShapeQ17[3][108];
#endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_LPC_TABLES_H_ */