| /* |
| * 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 WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_PITCH_GAIN_TABLES_H_ |
| #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_PITCH_GAIN_TABLES_H_ |
| |
| #include "webrtc/typedefs.h" |
| |
| /********************* Pitch Filter Gain Coefficient Tables ************************/ |
| /* cdf for quantized pitch filter gains */ |
| extern const uint16_t WebRtcIsacfix_kPitchGainCdf[255]; |
| |
| /* index limits and ranges */ |
| extern const int16_t WebRtcIsacfix_kLowerlimiGain[3]; |
| extern const int16_t WebRtcIsacfix_kUpperlimitGain[3]; |
| extern const uint16_t WebRtcIsacfix_kMultsGain[2]; |
| |
| /* mean values of pitch filter gains in Q12*/ |
| extern const int16_t WebRtcIsacfix_kPitchGain1[144]; |
| extern const int16_t WebRtcIsacfix_kPitchGain2[144]; |
| extern const int16_t WebRtcIsacfix_kPitchGain3[144]; |
| extern const int16_t WebRtcIsacfix_kPitchGain4[144]; |
| |
| /* size of cdf table */ |
| extern const uint16_t WebRtcIsacfix_kCdfTableSizeGain[1]; |
| |
| /* transform matrix */ |
| extern const int16_t WebRtcIsacfix_kTransform[4][4]; |
| |
| #endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_PITCH_GAIN_TABLES_H_ */ |