+/*
+ * (c) 2002 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
/**
* @file fft-test.c
* FFT and MDCT tests.
#include <unistd.h>
#include <sys/time.h>
+#undef exit
+
int mm_flags;
/* reference fft */
for(i=0;i<n;i++) {
if (fabsf(tab1[i] - tab2[i]) >= 1e-3) {
- printf("ERROR %d: %f %f\n",
+ av_log(NULL, AV_LOG_ERROR, "ERROR %d: %f %f\n",
i, tab1[i], tab2[i]);
}
}
void help(void)
{
- printf("usage: fft-test [-h] [-s] [-i] [-n b]\n"
+ av_log(NULL, AV_LOG_INFO,"usage: fft-test [-h] [-s] [-i] [-n b]\n"
"-h print this help\n"
"-s speed test\n"
"-m (I)MDCT test\n"
if (do_mdct) {
if (do_inverse)
- printf("IMDCT");
+ av_log(NULL, AV_LOG_INFO,"IMDCT");
else
- printf("MDCT");
+ av_log(NULL, AV_LOG_INFO,"MDCT");
ff_mdct_init(m, fft_nbits, do_inverse);
} else {
if (do_inverse)
- printf("IFFT");
+ av_log(NULL, AV_LOG_INFO,"IFFT");
else
- printf("FFT");
- fft_init(s, fft_nbits, do_inverse);
+ av_log(NULL, AV_LOG_INFO,"FFT");
+ ff_fft_init(s, fft_nbits, do_inverse);
fft_ref_init(fft_nbits, do_inverse);
}
- printf(" %d test\n", fft_size);
+ av_log(NULL, AV_LOG_INFO," %d test\n", fft_size);
/* generate random data */
}
/* checking result */
- printf("Checking...\n");
+ av_log(NULL, AV_LOG_INFO,"Checking...\n");
if (do_mdct) {
if (do_inverse) {
check_diff((float *)tab_ref, tab2, fft_size);
} else {
mdct_ref((float *)tab_ref, (float *)tab1, fft_size);
-
+
ff_mdct_calc(m, tab2, (float *)tab1, tabtmp);
check_diff((float *)tab_ref, tab2, fft_size / 2);
}
} else {
memcpy(tab, tab1, fft_size * sizeof(FFTComplex));
- fft_permute(s, tab);
- fft_calc(s, tab);
-
+ ff_fft_permute(s, tab);
+ ff_fft_calc(s, tab);
+
fft_ref(tab_ref, tab1, fft_nbits);
check_diff((float *)tab_ref, (float *)tab, fft_size * 2);
}
int64_t time_start, duration;
int nb_its;
- printf("Speed test...\n");
+ av_log(NULL, AV_LOG_INFO,"Speed test...\n");
/* we measure during about 1 seconds */
nb_its = 1;
for(;;) {
}
} else {
memcpy(tab, tab1, fft_size * sizeof(FFTComplex));
- fft_calc(s, tab);
+ ff_fft_calc(s, tab);
}
}
duration = gettime() - time_start;
break;
nb_its *= 2;
}
- printf("time: %0.1f us/transform [total time=%0.2f s its=%d]\n",
- (double)duration / nb_its,
+ av_log(NULL, AV_LOG_INFO,"time: %0.1f us/transform [total time=%0.2f s its=%d]\n",
+ (double)duration / nb_its,
(double)duration / 1000000.0,
nb_its);
}
-
+
if (do_mdct) {
ff_mdct_end(m);
} else {
- fft_end(s);
+ ff_fft_end(s);
}
return 0;
}