*/
/**
- * @file libavcodec/fft-test.c
+ * @file
* FFT and MDCT tests.
*/
return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
}
-static void check_diff(float *tab1, float *tab2, int n, double scale)
+static int check_diff(float *tab1, float *tab2, int n, double scale)
{
int i;
double max= 0;
double error= 0;
+ int err = 0;
for (i = 0; i < n; i++) {
double e= fabsf(tab1[i] - (tab2[i] / scale));
if (e >= 1e-3) {
- av_log(NULL, AV_LOG_ERROR, "ERROR %d: %f %f\n",
+ av_log(NULL, AV_LOG_ERROR, "ERROR %5d: %10.6f %10.6f\n",
i, tab1[i], tab2[i]);
+ err = 1;
}
error+= e*e;
if(e>max) max= e;
}
av_log(NULL, AV_LOG_INFO, "max:%f e:%g\n", max, sqrt(error)/n);
+ return err;
}
"-s speed test\n"
"-m (I)MDCT test\n"
"-d (I)DCT test\n"
+ "-r (I)RDFT test\n"
"-i inverse transform test\n"
"-n b set the transform size to 2^b\n"
"-f x set scale factor for output data of (I)MDCT to x\n"
FFTSample *tab2;
int it, i, c;
int do_speed = 0;
+ int err = 1;
enum tf_transform transform = TRANSFORM_FFT;
int do_inverse = 0;
FFTContext s1, *s = &s1;
if (do_inverse) {
imdct_ref((float *)tab_ref, (float *)tab1, fft_nbits);
ff_imdct_calc(m, tab2, (float *)tab1);
- check_diff((float *)tab_ref, tab2, fft_size, scale);
+ err = check_diff((float *)tab_ref, tab2, fft_size, scale);
} else {
mdct_ref((float *)tab_ref, (float *)tab1, fft_nbits);
ff_mdct_calc(m, tab2, (float *)tab1);
- check_diff((float *)tab_ref, tab2, fft_size / 2, scale);
+ err = check_diff((float *)tab_ref, tab2, fft_size / 2, scale);
}
break;
case TRANSFORM_FFT:
ff_fft_calc(s, tab);
fft_ref(tab_ref, tab1, fft_nbits);
- check_diff((float *)tab_ref, (float *)tab, fft_size * 2, 1.0);
+ err = check_diff((float *)tab_ref, (float *)tab, fft_size * 2, 1.0);
break;
case TRANSFORM_RDFT:
if (do_inverse) {
tab[i].re = tab2[i];
tab[i].im = 0;
}
- check_diff((float *)tab_ref, (float *)tab, fft_size * 2, 0.5);
+ err = check_diff((float *)tab_ref, (float *)tab, fft_size * 2, 0.5);
} else {
for (i = 0; i < fft_size; i++) {
tab2[i] = tab1[i].re;
ff_rdft_calc(r, tab2);
fft_ref(tab_ref, tab1, fft_nbits);
tab_ref[0].im = tab_ref[fft_size_2].re;
- check_diff((float *)tab_ref, (float *)tab2, fft_size, 1.0);
+ err = check_diff((float *)tab_ref, (float *)tab2, fft_size, 1.0);
}
break;
case TRANSFORM_DCT:
} else {
dct_ref(tab_ref, tab1, fft_nbits);
}
- check_diff((float *)tab_ref, (float *)tab, fft_size, 1.0);
+ err = check_diff((float *)tab_ref, (float *)tab, fft_size, 1.0);
break;
}
ff_dct_end(d);
break;
}
- return 0;
+
+ av_free(tab);
+ av_free(tab1);
+ av_free(tab2);
+ av_free(tab_ref);
+ av_free(exptab);
+
+ return err;
}