1 /* Copyright (c) 2023 Amazon 2 Written by Jan Buethe */ 3 /* 4 Redistribution and use in source and binary forms, with or without 5 modification, are permitted provided that the following conditions 6 are met: 7 8 - Redistributions of source code must retain the above copyright 9 notice, this list of conditions and the following disclaimer. 10 11 - Redistributions in binary form must reproduce the above copyright 12 notice, this list of conditions and the following disclaimer in the 13 documentation and/or other materials provided with the distribution. 14 15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 19 OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 22 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 23 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 24 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef NNDSP_H 29 #define NNDSP_H 30 31 #include "opus_types.h" 32 #include "nnet.h" 33 #include <string.h> 34 35 36 #define ADACONV_MAX_KERNEL_SIZE 16 37 #define ADACONV_MAX_INPUT_CHANNELS 2 38 #define ADACONV_MAX_OUTPUT_CHANNELS 2 39 #define ADACONV_MAX_FRAME_SIZE 80 40 #define ADACONV_MAX_OVERLAP_SIZE 40 41 42 #define ADACOMB_MAX_LAG 300 43 #define ADACOMB_MAX_KERNEL_SIZE 16 44 #define ADACOMB_MAX_FRAME_SIZE 80 45 #define ADACOMB_MAX_OVERLAP_SIZE 40 46 47 #define ADASHAPE_MAX_INPUT_DIM 512 48 #define ADASHAPE_MAX_FRAME_SIZE 160 49 50 /*#define DEBUG_NNDSP*/ 51 #ifdef DEBUG_NNDSP 52 #include <stdio.h> 53 #endif 54 55 56 void print_float_vector(const char* name, const float *vec, int length); 57 58 typedef struct { 59 float history[ADACONV_MAX_KERNEL_SIZE * ADACONV_MAX_INPUT_CHANNELS]; 60 float last_kernel[ADACONV_MAX_KERNEL_SIZE * ADACONV_MAX_INPUT_CHANNELS * ADACONV_MAX_OUTPUT_CHANNELS]; 61 float last_gain; 62 } AdaConvState; 63 64 65 typedef struct { 66 float history[ADACOMB_MAX_KERNEL_SIZE + ADACOMB_MAX_LAG]; 67 float last_kernel[ADACOMB_MAX_KERNEL_SIZE]; 68 float last_global_gain; 69 int last_pitch_lag; 70 } AdaCombState; 71 72 73 typedef struct { 74 float conv_alpha1f_state[ADASHAPE_MAX_INPUT_DIM]; 75 float conv_alpha1t_state[ADASHAPE_MAX_INPUT_DIM]; 76 float conv_alpha2_state[ADASHAPE_MAX_FRAME_SIZE]; 77 } AdaShapeState; 78 79 void init_adaconv_state(AdaConvState *hAdaConv); 80 81 void init_adacomb_state(AdaCombState *hAdaComb); 82 83 void init_adashape_state(AdaShapeState *hAdaShape); 84 85 void compute_overlap_window(float *window, int overlap_size); 86 87 void adaconv_process_frame( 88 AdaConvState* hAdaConv, 89 float *x_out, 90 const float *x_in, 91 const float *features, 92 const LinearLayer *kernel_layer, 93 const LinearLayer *gain_layer, 94 int feature_dim, /* not strictly necessary */ 95 int frame_size, 96 int overlap_size, 97 int in_channels, 98 int out_channels, 99 int kernel_size, 100 int left_padding, 101 float filter_gain_a, 102 float filter_gain_b, 103 float shape_gain, 104 float *window, 105 int arch 106 ); 107 108 void adacomb_process_frame( 109 AdaCombState* hAdaComb, 110 float *x_out, 111 const float *x_in, 112 const float *features, 113 const LinearLayer *kernel_layer, 114 const LinearLayer *gain_layer, 115 const LinearLayer *global_gain_layer, 116 int pitch_lag, 117 int feature_dim, 118 int frame_size, 119 int overlap_size, 120 int kernel_size, 121 int left_padding, 122 float filter_gain_a, 123 float filter_gain_b, 124 float log_gain_limit, 125 float *window, 126 int arch 127 ); 128 129 void adashape_process_frame( 130 AdaShapeState *hAdaShape, 131 float *x_out, 132 const float *x_in, 133 const float *features, 134 const LinearLayer *alpha1f, 135 const LinearLayer *alpha1t, 136 const LinearLayer *alpha2, 137 int feature_dim, 138 int frame_size, 139 int avg_pool_k, 140 int arch 141 ); 142 143 #endif 144