1 /* 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 /* 12 * lpc_shape_swb12_tables.h 13 * 14 * This file declares tables used for entropy coding of LPC shape of 15 * upper-band signal if the bandwidth is 12 kHz. 16 * 17 */ 18 19 #ifndef MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_LPC_SHAPE_SWB12_TABLES_H_ 20 #define MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_LPC_SHAPE_SWB12_TABLES_H_ 21 22 #include <stdint.h> 23 24 #include "modules/audio_coding/codecs/isac/main/source/settings.h" 25 26 extern const double WebRtcIsac_kMeanLarUb12[UB_LPC_ORDER]; 27 28 extern const double WebRtcIsac_kMeanLpcGain; 29 30 extern const double WebRtcIsac_kIntraVecDecorrMatUb12[UB_LPC_ORDER] 31 [UB_LPC_ORDER]; 32 33 extern const double WebRtcIsac_kInterVecDecorrMatUb12[UB_LPC_VEC_PER_FRAME] 34 [UB_LPC_VEC_PER_FRAME]; 35 36 extern const double WebRtcIsac_kLpcShapeQStepSizeUb12; 37 38 extern const double 39 WebRtcIsac_kLpcShapeLeftRecPointUb12[UB_LPC_ORDER * UB_LPC_VEC_PER_FRAME]; 40 41 extern const int16_t 42 WebRtcIsac_kLpcShapeNumRecPointUb12[UB_LPC_ORDER * UB_LPC_VEC_PER_FRAME]; 43 44 extern const uint16_t 45 WebRtcIsac_kLpcShapeEntropySearchUb12[UB_LPC_ORDER * UB_LPC_VEC_PER_FRAME]; 46 47 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec0Ub12[14]; 48 49 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec1Ub12[16]; 50 51 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec2Ub12[20]; 52 53 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec3Ub12[28]; 54 55 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec4Ub12[20]; 56 57 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec5Ub12[25]; 58 59 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec6Ub12[33]; 60 61 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec7Ub12[49]; 62 63 extern const uint16_t* 64 WebRtcIsac_kLpcShapeCdfMatUb12[UB_LPC_ORDER * UB_LPC_VEC_PER_FRAME]; 65 66 #endif // MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_LPC_SHAPE_SWB12_TABLES_H_ 67