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 WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_LPC_SHAPE_SWB12_TABLES_H_ 20 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_LPC_SHAPE_SWB12_TABLES_H_ 21 22 #include "settings.h" 23 #include "typedefs.h" 24 25 extern const double WebRtcIsac_kMeanLarUb12[UB_LPC_ORDER]; 26 27 extern const double WebRtcIsac_kMeanLpcGain; 28 29 extern const double WebRtcIsac_kIntraVecDecorrMatUb12[UB_LPC_ORDER][UB_LPC_ORDER]; 30 31 extern const double WebRtcIsac_kInterVecDecorrMatUb12 32 [UB_LPC_VEC_PER_FRAME][UB_LPC_VEC_PER_FRAME]; 33 34 extern const double WebRtcIsac_kLpcShapeQStepSizeUb12; 35 36 extern const double WebRtcIsac_kLpcShapeLeftRecPointUb12 37 [UB_LPC_ORDER*UB_LPC_VEC_PER_FRAME]; 38 39 40 extern const WebRtc_Word16 WebRtcIsac_kLpcShapeNumRecPointUb12 41 [UB_LPC_ORDER * UB_LPC_VEC_PER_FRAME]; 42 43 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeEntropySearchUb12 44 [UB_LPC_ORDER * UB_LPC_VEC_PER_FRAME]; 45 46 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec0Ub12[14]; 47 48 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec1Ub12[16]; 49 50 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec2Ub12[20]; 51 52 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec3Ub12[28]; 53 54 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec4Ub12[20]; 55 56 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec5Ub12[25]; 57 58 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec6Ub12[33]; 59 60 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec7Ub12[49]; 61 62 extern const WebRtc_UWord16* WebRtcIsac_kLpcShapeCdfMatUb12 63 [UB_LPC_ORDER * UB_LPC_VEC_PER_FRAME]; 64 65 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_LPC_SHAPE_SWB12_TABLES_H_ 66
