| /* |
| * 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. |
| */ |
| |
| /* |
| * pitch_gain_tables.h |
| * |
| * This file contains tables for the pitch filter side-info in the entropy |
| * coder. |
| * |
| */ |
| |
| #ifndef MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_PITCH_GAIN_TABLES_H_ |
| #define MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_PITCH_GAIN_TABLES_H_ |
| |
| #include <stdint.h> |
| |
| /* header file for coding tables for the pitch filter side-info in the entropy |
| * coder */ |
| /********************* Pitch Filter Gain Coefficient Tables |
| * ************************/ |
| /* cdf for quantized pitch filter gains */ |
| extern const uint16_t WebRtcIsac_kQPitchGainCdf[255]; |
| |
| /* index limits and ranges */ |
| extern const int16_t WebRtcIsac_kIndexLowerLimitGain[3]; |
| |
| extern const int16_t WebRtcIsac_kIndexUpperLimitGain[3]; |
| extern const uint16_t WebRtcIsac_kIndexMultsGain[2]; |
| |
| /* mean values of pitch filter gains */ |
| //(Y) |
| extern const int16_t WebRtcIsac_kQMeanGain1Q12[144]; |
| extern const int16_t WebRtcIsac_kQMeanGain2Q12[144]; |
| extern const int16_t WebRtcIsac_kQMeanGain3Q12[144]; |
| extern const int16_t WebRtcIsac_kQMeanGain4Q12[144]; |
| //(Y) |
| |
| /* size of cdf table */ |
| extern const uint16_t WebRtcIsac_kQCdfTableSizeGain[1]; |
| |
| #endif /* MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_PITCH_GAIN_TABLES_H_ */ |
