1 /* Copyright (c) 2015 Xiph.Org Foundation 2 Written by Viswanath Puttagunta */ 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 #if defined(HAVE_CONFIG_H) 29 # include "config.h" 30 #endif 31 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include "modes.h" 35 #include "dump_modes_arch.h" 36 #include <NE10_dsp.h> 37 38 #if !defined(FIXED_POINT) 39 # define NE10_FFT_CFG_TYPE_T ne10_fft_cfg_float32_t 40 # define NE10_FFT_CPX_TYPE_T_STR "ne10_fft_cpx_float32_t" 41 # define NE10_FFT_STATE_TYPE_T_STR "ne10_fft_state_float32_t" 42 #else 43 # define NE10_FFT_CFG_TYPE_T ne10_fft_cfg_int32_t 44 # define NE10_FFT_CPX_TYPE_T_STR "ne10_fft_cpx_int32_t" 45 # define NE10_FFT_STATE_TYPE_T_STR "ne10_fft_state_int32_t" 46 #endif 47 48 static FILE *file; 49 50 void dump_modes_arch_init(CELTMode **modes, int nb_modes) 51 { 52 int i; 53 54 file = fopen(ARM_NE10_ARCH_FILE_NAME, "w"); 55 fprintf(file, "/* The contents of this file was automatically generated by\n"); 56 fprintf(file, " * dump_mode_arm_ne10.c with arguments:"); 57 for (i=0;i<nb_modes;i++) 58 { 59 CELTMode *mode = modes[i]; 60 fprintf(file, " %d %d",mode->Fs,mode->shortMdctSize*mode->nbShortMdcts); 61 } 62 fprintf(file, "\n * It contains static definitions for some pre-defined modes. */\n"); 63 fprintf(file, "#include <NE10_init.h>\n\n"); 64 } 65 66 void dump_modes_arch_finalize() 67 { 68 fclose(file); 69 } 70 71 void dump_mode_arch(CELTMode *mode) 72 { 73 int k, j; 74 int mdctSize; 75 76 mdctSize = mode->shortMdctSize*mode->nbShortMdcts; 77 78 fprintf(file, "#ifndef NE10_FFT_PARAMS%d_%d\n", mode->Fs, mdctSize); 79 fprintf(file, "#define NE10_FFT_PARAMS%d_%d\n", mode->Fs, mdctSize); 80 /* cfg->factors */ 81 for(k=0;k<=mode->mdct.maxshift;k++) { 82 NE10_FFT_CFG_TYPE_T cfg; 83 cfg = (NE10_FFT_CFG_TYPE_T)mode->mdct.kfft[k]->arch_fft->priv; 84 if (!cfg) 85 continue; 86 fprintf(file, "static const ne10_int32_t ne10_factors_%d[%d] = {\n", 87 mode->mdct.kfft[k]->nfft, (NE10_MAXFACTORS * 2)); 88 for(j=0;j<(NE10_MAXFACTORS * 2);j++) { 89 fprintf(file, "%d,%c", cfg->factors[j],(j+16)%15==0?'\n':' '); 90 } 91 fprintf (file, "};\n"); 92 } 93 94 /* cfg->twiddles */ 95 for(k=0;k<=mode->mdct.maxshift;k++) { 96 NE10_FFT_CFG_TYPE_T cfg; 97 cfg = (NE10_FFT_CFG_TYPE_T)mode->mdct.kfft[k]->arch_fft->priv; 98 if (!cfg) 99 continue; 100 fprintf(file, "static const %s ne10_twiddles_%d[%d] = {\n", 101 NE10_FFT_CPX_TYPE_T_STR, mode->mdct.kfft[k]->nfft, 102 mode->mdct.kfft[k]->nfft); 103 for(j=0;j<mode->mdct.kfft[k]->nfft;j++) { 104 #if !defined(FIXED_POINT) 105 fprintf(file, "{%#0.8gf,%#0.8gf},%c", 106 cfg->twiddles[j].r, cfg->twiddles[j].i,(j+4)%3==0?'\n':' '); 107 #else 108 fprintf(file, "{%d,%d},%c", 109 cfg->twiddles[j].r, cfg->twiddles[j].i,(j+4)%3==0?'\n':' '); 110 #endif 111 } 112 fprintf (file, "};\n"); 113 } 114 115 for(k=0;k<=mode->mdct.maxshift;k++) { 116 NE10_FFT_CFG_TYPE_T cfg; 117 cfg = (NE10_FFT_CFG_TYPE_T)mode->mdct.kfft[k]->arch_fft->priv; 118 if (!cfg) { 119 fprintf(file, "/* Ne10 does not support scaled FFT for length = %d */\n", 120 mode->mdct.kfft[k]->nfft); 121 fprintf(file, "static const arch_fft_state cfg_arch_%d = {\n", mode->mdct.kfft[k]->nfft); 122 fprintf(file, "0,\n"); 123 fprintf(file, "NULL\n"); 124 fprintf(file, "};\n"); 125 continue; 126 } 127 fprintf(file, "static const %s %s_%d = {\n", NE10_FFT_STATE_TYPE_T_STR, 128 NE10_FFT_STATE_TYPE_T_STR, mode->mdct.kfft[k]->nfft); 129 fprintf(file, "%d,\n", cfg->nfft); 130 fprintf(file, "(ne10_int32_t *)ne10_factors_%d,\n", mode->mdct.kfft[k]->nfft); 131 fprintf(file, "(%s *)ne10_twiddles_%d,\n", 132 NE10_FFT_CPX_TYPE_T_STR, mode->mdct.kfft[k]->nfft); 133 fprintf(file, "NULL,\n"); /* buffer */ 134 fprintf(file, "(%s *)&ne10_twiddles_%d[%d],\n", 135 NE10_FFT_CPX_TYPE_T_STR, mode->mdct.kfft[k]->nfft, cfg->nfft); 136 #if !defined(FIXED_POINT) 137 fprintf(file, "/* is_forward_scaled = true */\n"); 138 fprintf(file, "(ne10_int32_t) 1,\n"); 139 fprintf(file, "/* is_backward_scaled = false */\n"); 140 fprintf(file, "(ne10_int32_t) 0,\n"); 141 #endif 142 fprintf(file, "};\n"); 143 144 fprintf(file, "static const arch_fft_state cfg_arch_%d = {\n", 145 mode->mdct.kfft[k]->nfft); 146 fprintf(file, "1,\n"); 147 fprintf(file, "(void *)&%s_%d,\n", 148 NE10_FFT_STATE_TYPE_T_STR, mode->mdct.kfft[k]->nfft); 149 fprintf(file, "};\n\n"); 150 } 151 fprintf(file, "#endif /* end NE10_FFT_PARAMS%d_%d */\n", mode->Fs, mdctSize); 152 } 153
