| /* |
| * 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. |
| */ |
| |
| /* |
| * spectrum_ar_model_tables.h |
| * |
| * This file contains definitions of tables with AR coefficients, |
| * Gain coefficients and cosine tables. |
| * |
| */ |
| |
| #ifndef MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_SPECTRUM_AR_MODEL_TABLES_H_ |
| #define MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_SPECTRUM_AR_MODEL_TABLES_H_ |
| |
| #include "modules/audio_coding/codecs/isac/main/source/structs.h" |
| |
| #define NUM_AR_RC_QUANT_BAUNDARY 12 |
| |
| /********************* AR Coefficient Tables ************************/ |
| /* cdf for quantized reflection coefficient 1 */ |
| extern const uint16_t WebRtcIsac_kQArRc1Cdf[NUM_AR_RC_QUANT_BAUNDARY]; |
| |
| /* cdf for quantized reflection coefficient 2 */ |
| extern const uint16_t WebRtcIsac_kQArRc2Cdf[NUM_AR_RC_QUANT_BAUNDARY]; |
| |
| /* cdf for quantized reflection coefficient 3 */ |
| extern const uint16_t WebRtcIsac_kQArRc3Cdf[NUM_AR_RC_QUANT_BAUNDARY]; |
| |
| /* cdf for quantized reflection coefficient 4 */ |
| extern const uint16_t WebRtcIsac_kQArRc4Cdf[NUM_AR_RC_QUANT_BAUNDARY]; |
| |
| /* cdf for quantized reflection coefficient 5 */ |
| extern const uint16_t WebRtcIsac_kQArRc5Cdf[NUM_AR_RC_QUANT_BAUNDARY]; |
| |
| /* cdf for quantized reflection coefficient 6 */ |
| extern const uint16_t WebRtcIsac_kQArRc6Cdf[NUM_AR_RC_QUANT_BAUNDARY]; |
| |
| /* quantization boundary levels for reflection coefficients */ |
| extern const int16_t WebRtcIsac_kQArBoundaryLevels[NUM_AR_RC_QUANT_BAUNDARY]; |
| |
| /* initial indices for AR reflection coefficient quantizer and cdf table search |
| */ |
| extern const uint16_t WebRtcIsac_kQArRcInitIndex[AR_ORDER]; |
| |
| /* pointers to AR cdf tables */ |
| extern const uint16_t* WebRtcIsac_kQArRcCdfPtr[AR_ORDER]; |
| |
| /* pointers to AR representation levels tables */ |
| extern const int16_t* WebRtcIsac_kQArRcLevelsPtr[AR_ORDER]; |
| |
| /******************** GAIN Coefficient Tables ***********************/ |
| /* cdf for Gain coefficient */ |
| extern const uint16_t WebRtcIsac_kQGainCdf[19]; |
| |
| /* representation levels for quantized Gain coefficient */ |
| extern const int32_t WebRtcIsac_kQGain2Levels[18]; |
| |
| /* squared quantization boundary levels for Gain coefficient */ |
| extern const int32_t WebRtcIsac_kQGain2BoundaryLevels[19]; |
| |
| /* pointer to Gain cdf table */ |
| extern const uint16_t* WebRtcIsac_kQGainCdf_ptr[1]; |
| |
| /* Gain initial index for gain quantizer and cdf table search */ |
| extern const uint16_t WebRtcIsac_kQGainInitIndex[1]; |
| |
| /************************* Cosine Tables ****************************/ |
| /* Cosine table */ |
| extern const int16_t WebRtcIsac_kCos[6][60]; |
| |
| #endif /* MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_SPECTRUM_AR_MODEL_TABLES_H_ \ |
| */ |