diff options
Diffstat (limited to 'drivers/opus/celt/tests/test_unit_dft.c')
| -rw-r--r-- | drivers/opus/celt/tests/test_unit_dft.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/drivers/opus/celt/tests/test_unit_dft.c b/drivers/opus/celt/tests/test_unit_dft.c deleted file mode 100644 index 9c0db3e9ac..0000000000 --- a/drivers/opus/celt/tests/test_unit_dft.c +++ /dev/null @@ -1,164 +0,0 @@ -/* Copyright (c) 2008 Xiph.Org Foundation - Written by Jean-Marc Valin */ -/* - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER - OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -#ifdef OPUS_ENABLED -#include "opus/opus_config.h" -#endif - -#define SKIP_CONFIG_H - -#ifndef CUSTOM_MODES -#define CUSTOM_MODES -#endif - -#include <stdio.h> - -#define CELT_C -#include "opus/celt/stack_alloc.h" -#include "opus/celt/kiss_fft.h" -#include "opus/celt/kiss_fft.c" -#include "opus/celt/mathops.c" -#include "opus/celt/entcode.c" - - -#ifndef M_PI -#define M_PI 3.141592653 -#endif - -int ret = 0; - -void check(kiss_fft_cpx * in,kiss_fft_cpx * out,int nfft,int isinverse) -{ - int bin,k; - double errpow=0,sigpow=0, snr; - - for (bin=0;bin<nfft;++bin) { - double ansr = 0; - double ansi = 0; - double difr; - double difi; - - for (k=0;k<nfft;++k) { - double phase = -2*M_PI*bin*k/nfft; - double re = cos(phase); - double im = sin(phase); - if (isinverse) - im = -im; - - if (!isinverse) - { - re /= nfft; - im /= nfft; - } - - ansr += in[k].r * re - in[k].i * im; - ansi += in[k].r * im + in[k].i * re; - } - /*printf ("%d %d ", (int)ansr, (int)ansi);*/ - difr = ansr - out[bin].r; - difi = ansi - out[bin].i; - errpow += difr*difr + difi*difi; - sigpow += ansr*ansr+ansi*ansi; - } - snr = 10*log10(sigpow/errpow); - printf("nfft=%d inverse=%d,snr = %f\n",nfft,isinverse,snr ); - if (snr<60) { - printf( "** poor snr: %f ** \n", snr); - ret = 1; - } -} - -void test1d(int nfft,int isinverse) -{ - size_t buflen = sizeof(kiss_fft_cpx)*nfft; - - kiss_fft_cpx * in = (kiss_fft_cpx*)malloc(buflen); - kiss_fft_cpx * out= (kiss_fft_cpx*)malloc(buflen); - kiss_fft_state *cfg = opus_fft_alloc(nfft,0,0); - int k; - - for (k=0;k<nfft;++k) { - in[k].r = (rand() % 32767) - 16384; - in[k].i = (rand() % 32767) - 16384; - } - - for (k=0;k<nfft;++k) { - in[k].r *= 32768; - in[k].i *= 32768; - } - - if (isinverse) - { - for (k=0;k<nfft;++k) { - in[k].r /= nfft; - in[k].i /= nfft; - } - } - - /*for (k=0;k<nfft;++k) printf("%d %d ", in[k].r, in[k].i);printf("\n");*/ - - if (isinverse) - opus_ifft(cfg,in,out); - else - opus_fft(cfg,in,out); - - /*for (k=0;k<nfft;++k) printf("%d %d ", out[k].r, out[k].i);printf("\n");*/ - - check(in,out,nfft,isinverse); - - free(in); - free(out); - free(cfg); -} - -int main(int argc,char ** argv) -{ - ALLOC_STACK; - if (argc>1) { - int k; - for (k=1;k<argc;++k) { - test1d(atoi(argv[k]),0); - test1d(atoi(argv[k]),1); - } - }else{ - test1d(32,0); - test1d(32,1); - test1d(128,0); - test1d(128,1); - test1d(256,0); - test1d(256,1); -#ifndef RADIX_TWO_ONLY - test1d(36,0); - test1d(36,1); - test1d(50,0); - test1d(50,1); - test1d(120,0); - test1d(120,1); -#endif - } - return ret; -} |