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_swb16_tables.h 13 * 14 * This file declares tables used for entropy coding of LPC shape of 15 * upper-band signal if the bandwidth is 16 kHz. 16 * 17 */ 18 19 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_LPC_SHAPE_SWB16_TABLES_H_ 20 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_LPC_SHAPE_SWB16_TABLES_H_ 21 22 #include "settings.h" 23 #include "typedefs.h" 24 25 26 extern const double WebRtcIsac_kMeanLarUb16[UB_LPC_ORDER]; 27 28 extern const double WebRtcIsac_kIintraVecDecorrMatUb16[UB_LPC_ORDER][UB_LPC_ORDER]; 29 30 extern const double WebRtcIsac_kInterVecDecorrMatUb16 31 [UB16_LPC_VEC_PER_FRAME][UB16_LPC_VEC_PER_FRAME]; 32 33 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec01Ub16[14]; 34 35 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec1Ub16[16]; 36 37 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec2Ub16[18]; 38 39 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec3Ub16[30]; 40 41 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec4Ub16[16]; 42 43 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec5Ub16[17]; 44 45 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec6Ub16[21]; 46 47 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec7Ub16[36]; 48 49 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec8Ub16[21]; 50 51 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec01Ub160[21]; 52 53 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec01Ub161[28]; 54 55 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec01Ub162[55]; 56 57 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec01Ub163[26]; 58 59 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec01Ub164[28]; 60 61 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec01Ub165[34]; 62 63 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeCdfVec01Ub166[71]; 64 65 extern const WebRtc_UWord16* WebRtcIsac_kLpcShapeCdfMatUb16 66 [UB_LPC_ORDER * UB16_LPC_VEC_PER_FRAME]; 67 68 extern const double WebRtcIsac_kLpcShapeLeftRecPointUb16 69 [UB_LPC_ORDER * UB16_LPC_VEC_PER_FRAME]; 70 71 extern const WebRtc_Word16 WebRtcIsac_kLpcShapeNumRecPointUb16 72 [UB_LPC_ORDER * UB16_LPC_VEC_PER_FRAME]; 73 74 extern const WebRtc_UWord16 WebRtcIsac_kLpcShapeEntropySearchUb16 75 [UB_LPC_ORDER * UB16_LPC_VEC_PER_FRAME]; 76 77 extern const double WebRtcIsac_kLpcShapeQStepSizeUb16; 78 79 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_LPC_SHAPE_SWB16_TABLES_H_ 80
