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comparison: media/libopus/silk/float/structs_FLP.h
media/libopus/silk/float/structs_FLP.h
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| -1:000000000000 | 0:10ab2ffdcc3b |
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| 1 /*********************************************************************** | |
| 2 Copyright (c) 2006-2011, Skype Limited. All rights reserved. | |
| 3 Redistribution and use in source and binary forms, with or without | |
| 4 modification, are permitted provided that the following conditions | |
| 5 are met: | |
| 6 - Redistributions of source code must retain the above copyright notice, | |
| 7 this list of conditions and the following disclaimer. | |
| 8 - Redistributions in binary form must reproduce the above copyright | |
| 9 notice, this list of conditions and the following disclaimer in the | |
| 10 documentation and/or other materials provided with the distribution. | |
| 11 - Neither the name of Internet Society, IETF or IETF Trust, nor the | |
| 12 names of specific contributors, may be used to endorse or promote | |
| 13 products derived from this software without specific prior written | |
| 14 permission. | |
| 15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 16 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 17 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 18 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
| 19 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 20 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 21 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 22 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 23 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 24 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 25 POSSIBILITY OF SUCH DAMAGE. | |
| 26 ***********************************************************************/ | |
| 27 | |
| 28 #ifndef SILK_STRUCTS_FLP_H | |
| 29 #define SILK_STRUCTS_FLP_H | |
| 30 | |
| 31 #include "typedef.h" | |
| 32 #include "main.h" | |
| 33 #include "structs.h" | |
| 34 | |
| 35 #ifdef __cplusplus | |
| 36 extern "C" | |
| 37 { | |
| 38 #endif | |
| 39 | |
| 40 /********************************/ | |
| 41 /* Noise shaping analysis state */ | |
| 42 /********************************/ | |
| 43 typedef struct { | |
| 44 opus_int8 LastGainIndex; | |
| 45 silk_float HarmBoost_smth; | |
| 46 silk_float HarmShapeGain_smth; | |
| 47 silk_float Tilt_smth; | |
| 48 } silk_shape_state_FLP; | |
| 49 | |
| 50 /********************************/ | |
| 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 */ | |
| 66 /********************************/ | |
| 67 typedef struct { | |
| 68 silk_encoder_state sCmn; /* Common struct, shared with fixed-point code */ | |
| 69 silk_shape_state_FLP sShape; /* Noise shaping state */ | |
| 70 silk_prefilter_state_FLP sPrefilt; /* Prefilter State */ | |
| 71 | |
| 72 /* 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 */ | |
| 74 silk_float LTPCorr; /* Normalized correlation from pitch lag estimator */ | |
| 75 } silk_encoder_state_FLP; | |
| 76 | |
| 77 /************************/ | |
| 78 /* Encoder control FLP */ | |
| 79 /************************/ | |
| 80 typedef struct { | |
| 81 /* Prediction and coding parameters */ | |
| 82 silk_float Gains[ MAX_NB_SUBFR ]; | |
| 83 silk_float PredCoef[ 2 ][ MAX_LPC_ORDER ]; /* holds interpolated and final coefficients */ | |
| 84 silk_float LTPCoef[LTP_ORDER * MAX_NB_SUBFR]; | |
| 85 silk_float LTP_scale; | |
| 86 opus_int pitchL[ MAX_NB_SUBFR ]; | |
| 87 | |
| 88 /* Noise shaping parameters */ | |
| 89 silk_float AR1[ 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 ]; | |
| 92 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 ]; | |
| 96 silk_float HarmShapeGain[ MAX_NB_SUBFR ]; | |
| 97 silk_float Lambda; | |
| 98 silk_float input_quality; | |
| 99 silk_float coding_quality; | |
| 100 | |
| 101 /* Measures */ | |
| 102 silk_float sparseness; | |
| 103 silk_float predGain; | |
| 104 silk_float LTPredCodGain; | |
| 105 silk_float ResNrg[ MAX_NB_SUBFR ]; /* Residual energy per subframe */ | |
| 106 | |
| 107 /* Parameters for CBR mode */ | |
| 108 opus_int32 GainsUnq_Q16[ MAX_NB_SUBFR ]; | |
| 109 opus_int8 lastGainIndexPrev; | |
| 110 } silk_encoder_control_FLP; | |
| 111 | |
| 112 /************************/ | |
| 113 /* Encoder Super Struct */ | |
| 114 /************************/ | |
| 115 typedef struct { | |
| 116 silk_encoder_state_FLP state_Fxx[ ENCODER_NUM_CHANNELS ]; | |
| 117 stereo_enc_state sStereo; | |
| 118 opus_int32 nBitsExceeded; | |
| 119 opus_int nChannelsAPI; | |
| 120 opus_int nChannelsInternal; | |
| 121 opus_int nPrevChannelsInternal; | |
| 122 opus_int timeSinceSwitchAllowed_ms; | |
| 123 opus_int allowBandwidthSwitch; | |
| 124 opus_int prev_decode_only_middle; | |
| 125 } silk_encoder; | |
| 126 | |
| 127 #ifdef __cplusplus | |
| 128 } | |
| 129 #endif | |
| 130 | |
| 131 #endif |
