OLD | NEW |
(Empty) | |
| 1 /* |
| 2 * Copyright (c) 2013 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 #include <math.h> |
| 12 #include <stdio.h> |
| 13 #include <stdlib.h> |
| 14 #include <time.h> |
| 15 #include <unistd.h> |
| 16 |
| 17 #include "dl/sp/api/armSP.h" |
| 18 #include "dl/sp/api/omxSP.h" |
| 19 #include "dl/sp/src/test/aligned_ptr.h" |
| 20 #include "dl/sp/src/test/compare.h" |
| 21 #include "dl/sp/src/test/gensig.h" |
| 22 #include "dl/sp/src/test/test_util.h" |
| 23 |
| 24 #define MAX_FFT_ORDER TWIDDLE_TABLE_ORDER |
| 25 |
| 26 int verbose; |
| 27 |
| 28 void TestFloatFFT(int fft_log_size, int sigtype, float signal_value); |
| 29 |
| 30 void main(int argc, char* argv[]) { |
| 31 struct Options options; |
| 32 |
| 33 SetDefaultOptions(&options, 0, MAX_FFT_ORDER); |
| 34 |
| 35 ProcessCommandLine(&options, argc, argv, |
| 36 "Test forward and inverse floating-point FFT\n"); |
| 37 |
| 38 verbose = options.verbose_; |
| 39 |
| 40 if (verbose > 255) |
| 41 DumpOptions(stderr, &options); |
| 42 |
| 43 if (options.test_mode_) { |
| 44 struct TestInfo info; |
| 45 |
| 46 info.real_only_ = options.real_only_; |
| 47 info.max_fft_order_ = options.max_fft_order_; |
| 48 info.min_fft_order_ = options.min_fft_order_; |
| 49 info.do_forward_tests_ = options.do_forward_tests_; |
| 50 info.do_inverse_tests_ = options.do_inverse_tests_; |
| 51 /* No known failures */ |
| 52 info.known_failures_ = 0; |
| 53 |
| 54 info.forward_threshold_ = 138.81; |
| 55 info.inverse_threshold_ = 138.81; |
| 56 RunAllTests(&info); |
| 57 } else { |
| 58 TestFloatFFT(options.fft_log_size_, |
| 59 options.signal_type_, |
| 60 options.signal_value_); |
| 61 } |
| 62 } |
| 63 |
| 64 void DumpFFTSpec(OMXFFTSpec_C_FC32* pSpec) { |
| 65 ARMsFFTSpec_FC32* p = (ARMsFFTSpec_FC32*) pSpec; |
| 66 printf(" N = %d\n", p->N); |
| 67 printf(" pBitRev = %p\n", p->pBitRev); |
| 68 printf(" pTwiddle = %p\n", p->pTwiddle); |
| 69 printf(" pBuf = %p\n", p->pBuf); |
| 70 } |
| 71 |
| 72 void GenerateSignal(OMX_FC32* x, OMX_FC32* fft, int size, int signal_type, |
| 73 float signal_value) { |
| 74 GenerateTestSignalAndFFT((struct ComplexFloat *) x, |
| 75 (struct ComplexFloat *) fft, |
| 76 size, |
| 77 signal_type, |
| 78 signal_value, |
| 79 0); |
| 80 } |
| 81 |
| 82 void TestFloatFFT(int fft_log_size, int signal_type, float signal_value) { |
| 83 struct SnrResult snr; |
| 84 |
| 85 RunOneForwardTest(fft_log_size, signal_type, signal_value, &snr); |
| 86 printf("Forward float FFT\n"); |
| 87 printf("SNR: real part %f dB\n", snr.real_snr_); |
| 88 printf(" imag part %f dB\n", snr.imag_snr_); |
| 89 printf(" complex part %f dB\n", snr.complex_snr_); |
| 90 |
| 91 RunOneInverseTest(fft_log_size, signal_type, signal_value, &snr); |
| 92 printf("Inverse float FFT\n"); |
| 93 printf("SNR: real part %f dB\n", snr.real_snr_); |
| 94 printf(" imag part %f dB\n", snr.imag_snr_); |
| 95 printf(" complex part %f dB\n", snr.complex_snr_); |
| 96 } |
| 97 |
| 98 float RunOneForwardTest(int fft_log_size, int signal_type, float signal_value, |
| 99 struct SnrResult* snr) { |
| 100 OMX_FC32* x; |
| 101 OMX_FC32* y; |
| 102 struct AlignedPtr* x_aligned; |
| 103 struct AlignedPtr* y_aligned; |
| 104 |
| 105 OMX_FC32* y_true; |
| 106 |
| 107 OMX_INT n, fft_spec_buffer_size; |
| 108 OMXResult status; |
| 109 OMXFFTSpec_C_FC32 * fft_fwd_spec = NULL; |
| 110 int fft_size; |
| 111 |
| 112 fft_size = 1 << fft_log_size; |
| 113 |
| 114 status = omxSP_FFTGetBufSize_C_FC32(fft_log_size, &fft_spec_buffer_size); |
| 115 if (verbose > 63) { |
| 116 printf("fft_spec_buffer_size = %d\n", fft_spec_buffer_size); |
| 117 } |
| 118 |
| 119 fft_fwd_spec = (OMXFFTSpec_C_FC32*) malloc(fft_spec_buffer_size); |
| 120 status = omxSP_FFTInit_C_FC32(fft_fwd_spec, fft_log_size); |
| 121 if (status) { |
| 122 fprintf(stderr, |
| 123 "Failed to init forward FFT: status = %d, order %d \n", |
| 124 status, fft_log_size); |
| 125 exit(1); |
| 126 } |
| 127 |
| 128 x_aligned = AllocAlignedPointer(32, sizeof(*x) * fft_size); |
| 129 y_aligned = AllocAlignedPointer(32, sizeof(*y) * (fft_size + 2)); |
| 130 y_true = (OMX_FC32*) malloc(sizeof(*y_true) * fft_size); |
| 131 |
| 132 x = x_aligned->aligned_pointer_; |
| 133 y = y_aligned->aligned_pointer_; |
| 134 |
| 135 GenerateSignal(x, y_true, fft_size, signal_type, signal_value); |
| 136 |
| 137 if (verbose > 63) { |
| 138 printf("Signal\n"); |
| 139 DumpArrayComplexFloat("x", fft_size, x); |
| 140 |
| 141 printf("Expected FFT output\n"); |
| 142 DumpArrayComplexFloat("y", fft_size, y_true); |
| 143 } |
| 144 |
| 145 status = omxSP_FFTFwd_CToC_FC32_Sfs(x, y, fft_fwd_spec); |
| 146 if (status) { |
| 147 fprintf(stderr, "Forward FFT failed: status = %d\n", status); |
| 148 exit(1); |
| 149 } |
| 150 |
| 151 if (verbose > 63) { |
| 152 printf("FFT Output\n"); |
| 153 DumpArrayComplexFloat("y", fft_size, y); |
| 154 } |
| 155 |
| 156 CompareComplexFloat(snr, y, y_true, fft_size); |
| 157 |
| 158 FreeAlignedPointer(x_aligned); |
| 159 FreeAlignedPointer(y_aligned); |
| 160 free(fft_fwd_spec); |
| 161 |
| 162 return snr->complex_snr_; |
| 163 } |
| 164 |
| 165 float RunOneInverseTest(int fft_log_size, int signal_type, float signal_value, |
| 166 struct SnrResult* snr) { |
| 167 OMX_FC32* x; |
| 168 OMX_FC32* y; |
| 169 OMX_FC32* z; |
| 170 |
| 171 struct AlignedPtr* x_aligned; |
| 172 struct AlignedPtr* y_aligned; |
| 173 struct AlignedPtr* z_aligned; |
| 174 |
| 175 OMX_INT n, fft_spec_buffer_size; |
| 176 OMXResult status; |
| 177 OMXFFTSpec_C_FC32 * fft_fwd_spec = NULL; |
| 178 OMXFFTSpec_C_FC32 * fft_inv_spec = NULL; |
| 179 int fft_size; |
| 180 |
| 181 fft_size = 1 << fft_log_size; |
| 182 |
| 183 status = omxSP_FFTGetBufSize_C_FC32(fft_log_size, &fft_spec_buffer_size); |
| 184 if (verbose > 3) { |
| 185 printf("fft_spec_buffer_size = %d\n", fft_spec_buffer_size); |
| 186 } |
| 187 |
| 188 fft_inv_spec = (OMXFFTSpec_C_FC32*)malloc(fft_spec_buffer_size); |
| 189 status = omxSP_FFTInit_C_FC32(fft_inv_spec, fft_log_size); |
| 190 if (status) { |
| 191 fprintf(stderr, "Failed to init backward FFT: status = %d, order %d\n", |
| 192 status, fft_log_size); |
| 193 exit(1); |
| 194 } |
| 195 |
| 196 x_aligned = AllocAlignedPointer(32, sizeof(*x) * fft_size); |
| 197 y_aligned = AllocAlignedPointer(32, sizeof(*y) * (fft_size + 2)); |
| 198 z_aligned = AllocAlignedPointer(32, sizeof(*z) * fft_size); |
| 199 x = x_aligned->aligned_pointer_; |
| 200 y = y_aligned->aligned_pointer_; |
| 201 z = z_aligned->aligned_pointer_; |
| 202 |
| 203 GenerateSignal(x, y, fft_size, signal_type, signal_value); |
| 204 |
| 205 if (verbose > 63) { |
| 206 printf("Inverse FFT Input Signal\n"); |
| 207 DumpArrayComplexFloat("x", fft_size, y); |
| 208 |
| 209 printf("Expected Inverse FFT output\n"); |
| 210 DumpArrayComplexFloat("x", fft_size, x); |
| 211 } |
| 212 |
| 213 status = omxSP_FFTInv_CToC_FC32_Sfs(y, z, fft_inv_spec); |
| 214 if (status) { |
| 215 fprintf(stderr, "Inverse FFT failed: status = %d\n", status); |
| 216 exit(1); |
| 217 } |
| 218 |
| 219 if (verbose > 63) { |
| 220 printf("Actual Inverse FFT Output\n"); |
| 221 DumpArrayComplexFloat("z", fft_size, z); |
| 222 } |
| 223 |
| 224 CompareComplexFloat(snr, z, x, fft_size); |
| 225 |
| 226 FreeAlignedPointer(x_aligned); |
| 227 FreeAlignedPointer(y_aligned); |
| 228 FreeAlignedPointer(z_aligned); |
| 229 free(fft_inv_spec); |
| 230 |
| 231 return snr->complex_snr_; |
| 232 } |
OLD | NEW |