C++ (Cpp) clt_mdct_init 예제들

예제 #1

파일: test_unit_mdct.c 프로젝트: 110Percent/BeeBot

void test1d(int nfft,int isinverse,int arch)
{
    mdct_lookup cfg;
    size_t buflen = sizeof(kiss_fft_scalar)*nfft;

    kiss_fft_scalar  * in = (kiss_fft_scalar*)malloc(buflen);
    kiss_fft_scalar  * in_copy = (kiss_fft_scalar*)malloc(buflen);
    kiss_fft_scalar  * out= (kiss_fft_scalar*)malloc(buflen);
    opus_val16  * window= (opus_val16*)malloc(sizeof(opus_val16)*nfft/2);
    int k;

    clt_mdct_init(&cfg, nfft, 0, arch);
    for (k=0;k<nfft;++k) {
        in[k] = (rand() % 32768) - 16384;
    }

    for (k=0;k<nfft/2;++k) {
       window[k] = Q15ONE;
    }
    for (k=0;k<nfft;++k) {
       in[k] *= 32768;
    }

    if (isinverse)
    {
       for (k=0;k<nfft;++k) {
          in[k] /= nfft;
       }
    }

    for (k=0;k<nfft;++k)
       in_copy[k] = in[k];
    /*for (k=0;k<nfft;++k) printf("%d %d ", in[k].r, in[k].i);printf("\n");*/

    if (isinverse)
    {
       for (k=0;k<nfft;++k)
          out[k] = 0;
       clt_mdct_backward(&cfg,in,out, window, nfft/2, 0, 1, arch);
       /* apply TDAC because clt_mdct_backward() no longer does that */
       for (k=0;k<nfft/4;++k)
          out[nfft-k-1] = out[nfft/2+k];
       check_inv(in,out,nfft,isinverse);
    } else {
       clt_mdct_forward(&cfg,in,out,window, nfft/2, 0, 1, arch);
       check(in_copy,out,nfft,isinverse);
    }
    /*for (k=0;k<nfft;++k) printf("%d %d ", out[k].r, out[k].i);printf("\n");*/


    free(in);
    free(in_copy);
    free(out);
    free(window);
    clt_mdct_clear(&cfg, arch);
}

예제 #2

파일: mdct-test.c 프로젝트: TomDataworks/whisper_client

void test1d(int nfft,int isinverse)
{
    mdct_lookup cfg;
    size_t buflen = sizeof(kiss_fft_scalar)*nfft;

    kiss_fft_scalar  * in = (kiss_fft_scalar*)malloc(buflen);
    kiss_fft_scalar  * out= (kiss_fft_scalar*)malloc(buflen);
    celt_word16  * window= (celt_word16*)malloc(sizeof(celt_word16)*nfft/2);
    int k;

    clt_mdct_init(&cfg, nfft);
    for (k=0;k<nfft;++k) {
        in[k] = (rand() % 32768) - 16384;
    }

    for (k=0;k<nfft/2;++k) {
       window[k] = Q15ONE;
    }
#ifdef DOUBLE_PRECISION
    for (k=0;k<nfft;++k) {
       in[k] *= 32768;
    }
#endif
    
    if (isinverse)
    {
       for (k=0;k<nfft;++k) {
          in[k] /= nfft;
       }
    }
    
    /*for (k=0;k<nfft;++k) printf("%d %d ", in[k].r, in[k].i);printf("\n");*/
       
    if (isinverse)
    {
       for (k=0;k<nfft;++k)
          out[k] = 0;
       clt_mdct_backward(&cfg,in,out, window, nfft/2);
       check_inv(in,out,nfft,isinverse);
    } else {
       clt_mdct_forward(&cfg,in,out,window, nfft/2);
       check(in,out,nfft,isinverse);
    }
    /*for (k=0;k<nfft;++k) printf("%d %d ", out[k].r, out[k].i);printf("\n");*/


    free(in);
    free(out);
    clt_mdct_clear(&cfg);
}