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Issue 2962373002: [Opus] Update to v1.2.1 (Closed)
Patch Set: Pre-increment instead of post-increment Created 3 years, 5 months ago
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1 /*********************************************************************** 1 /***********************************************************************
2 Copyright (c) 2006-2011, Skype Limited. All rights reserved. 2 Copyright (c) 2006-2011, Skype Limited. All rights reserved.
3 Redistribution and use in source and binary forms, with or without 3 Redistribution and use in source and binary forms, with or without
4 modification, are permitted provided that the following conditions 4 modification, are permitted provided that the following conditions
5 are met: 5 are met:
6 - Redistributions of source code must retain the above copyright notice, 6 - Redistributions of source code must retain the above copyright notice,
7 this list of conditions and the following disclaimer. 7 this list of conditions and the following disclaimer.
8 - Redistributions in binary form must reproduce the above copyright 8 - Redistributions in binary form must reproduce the above copyright
9 notice, this list of conditions and the following disclaimer in the 9 notice, this list of conditions and the following disclaimer in the
10 documentation and/or other materials provided with the distribution. 10 documentation and/or other materials provided with the distribution.
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35 #ifdef __cplusplus 35 #ifdef __cplusplus
36 extern "C" 36 extern "C"
37 { 37 {
38 #endif 38 #endif
39 39
40 /********************************/ 40 /********************************/
41 /* Noise shaping analysis state */ 41 /* Noise shaping analysis state */
42 /********************************/ 42 /********************************/
43 typedef struct { 43 typedef struct {
44 opus_int8 LastGainIndex; 44 opus_int8 LastGainIndex;
45 silk_float HarmBoost_smth;
46 silk_float HarmShapeGain_smth; 45 silk_float HarmShapeGain_smth;
47 silk_float Tilt_smth; 46 silk_float Tilt_smth;
48 } silk_shape_state_FLP; 47 } silk_shape_state_FLP;
49 48
50 /********************************/ 49 /********************************/
51 /* Prefilter state */
52 /********************************/
53 typedef struct {
54 silk_float sLTP_shp[ LTP_BUF_LENGTH ];
55 silk_float sAR_shp[ MAX_SHAPE_LPC_ORDER + 1 ];
56 opus_int sLTP_shp_buf_idx;
57 silk_float sLF_AR_shp;
58 silk_float sLF_MA_shp;
59 silk_float sHarmHP;
60 opus_int32 rand_seed;
61 opus_int lagPrev;
62 } silk_prefilter_state_FLP;
63
64 /********************************/
65 /* Encoder state FLP */ 50 /* Encoder state FLP */
66 /********************************/ 51 /********************************/
67 typedef struct { 52 typedef struct {
68 silk_encoder_state sCmn; /* Common st ruct, shared with fixed-point code */ 53 silk_encoder_state sCmn; /* Common st ruct, shared with fixed-point code */
69 silk_shape_state_FLP sShape; /* Noise sha ping state */ 54 silk_shape_state_FLP sShape; /* Noise sha ping state */
70 silk_prefilter_state_FLP sPrefilt; /* Prefilter State */
71 55
72 /* Buffer for find pitch and noise shape analysis */ 56 /* Buffer for find pitch and noise shape analysis */
73 silk_float x_buf[ 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ];/* Buffer for find pitch and noise shape analysis */ 57 silk_float x_buf[ 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ];/* Buffer for find pitch and noise shape analysis */
74 silk_float LTPCorr; /* Normalize d correlation from pitch lag estimator */ 58 silk_float LTPCorr; /* Normalize d correlation from pitch lag estimator */
75 } silk_encoder_state_FLP; 59 } silk_encoder_state_FLP;
76 60
77 /************************/ 61 /************************/
78 /* Encoder control FLP */ 62 /* Encoder control FLP */
79 /************************/ 63 /************************/
80 typedef struct { 64 typedef struct {
81 /* Prediction and coding parameters */ 65 /* Prediction and coding parameters */
82 silk_float Gains[ MAX_NB_SUBFR ]; 66 silk_float Gains[ MAX_NB_SUBFR ];
83 silk_float PredCoef[ 2 ][ MAX_LPC_ORDER ]; /* holds int erpolated and final coefficients */ 67 silk_float PredCoef[ 2 ][ MAX_LPC_ORDER ]; /* holds int erpolated and final coefficients */
84 silk_float LTPCoef[LTP_ORDER * MAX_NB_SUBFR]; 68 silk_float LTPCoef[LTP_ORDER * MAX_NB_SUBFR];
85 silk_float LTP_scale; 69 silk_float LTP_scale;
86 opus_int pitchL[ MAX_NB_SUBFR ]; 70 opus_int pitchL[ MAX_NB_SUBFR ];
87 71
88 /* Noise shaping parameters */ 72 /* Noise shaping parameters */
89 silk_float AR1[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ]; 73 silk_float AR[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ];
90 silk_float AR2[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ];
91 silk_float LF_MA_shp[ MAX_NB_SUBFR ]; 74 silk_float LF_MA_shp[ MAX_NB_SUBFR ];
92 silk_float LF_AR_shp[ MAX_NB_SUBFR ]; 75 silk_float LF_AR_shp[ MAX_NB_SUBFR ];
93 silk_float GainsPre[ MAX_NB_SUBFR ];
94 silk_float HarmBoost[ MAX_NB_SUBFR ];
95 silk_float Tilt[ MAX_NB_SUBFR ]; 76 silk_float Tilt[ MAX_NB_SUBFR ];
96 silk_float HarmShapeGain[ MAX_NB_SUBFR ]; 77 silk_float HarmShapeGain[ MAX_NB_SUBFR ];
97 silk_float Lambda; 78 silk_float Lambda;
98 silk_float input_quality; 79 silk_float input_quality;
99 silk_float coding_quality; 80 silk_float coding_quality;
100 81
101 /* Measures */ 82 /* Measures */
102 silk_float sparseness;
103 silk_float predGain; 83 silk_float predGain;
104 silk_float LTPredCodGain; 84 silk_float LTPredCodGain;
105 silk_float ResNrg[ MAX_NB_SUBFR ]; /* Residual energy per subframe */ 85 silk_float ResNrg[ MAX_NB_SUBFR ]; /* Residual energy per subframe */
106 86
107 /* Parameters for CBR mode */ 87 /* Parameters for CBR mode */
108 opus_int32 GainsUnq_Q16[ MAX_NB_SUBFR ]; 88 opus_int32 GainsUnq_Q16[ MAX_NB_SUBFR ];
109 opus_int8 lastGainIndexPrev; 89 opus_int8 lastGainIndexPrev;
110 } silk_encoder_control_FLP; 90 } silk_encoder_control_FLP;
111 91
112 /************************/ 92 /************************/
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123 opus_int timeSinceSwitchAllowed_ms; 103 opus_int timeSinceSwitchAllowed_ms;
124 opus_int allowBandwidthSwitch; 104 opus_int allowBandwidthSwitch;
125 opus_int prev_decode_only_middle; 105 opus_int prev_decode_only_middle;
126 } silk_encoder; 106 } silk_encoder;
127 107
128 #ifdef __cplusplus 108 #ifdef __cplusplus
129 } 109 }
130 #endif 110 #endif
131 111
132 #endif 112 #endif
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