/*
* (c) 2002 Fabrice Bellard
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/mathematics.h"
#include "libavutil/lfg.h"
#include "libavutil/log.h"
+#include "libavutil/time.h"
#include "fft.h"
#if CONFIG_FFT_FLOAT
#include "dct.h"
#include "rdft.h"
#endif
#include <math.h>
+#if HAVE_UNISTD_H
#include <unistd.h>
-#include <sys/time.h>
+#endif
#include <stdlib.h>
#include <string.h>
}
#if CONFIG_FFT_FLOAT
-static void idct_ref(float *output, float *input, int nbits)
+static void idct_ref(FFTSample *output, FFTSample *input, int nbits)
{
int n = 1<<nbits;
int k, i;
output[i] = 2 * s / n;
}
}
-static void dct_ref(float *output, float *input, int nbits)
+static void dct_ref(FFTSample *output, FFTSample *input, int nbits)
{
int n = 1<<nbits;
int k, i;
return (int16_t)av_lfg_get(prng) / 32768.0 * RANGE;
}
-static int64_t gettime(void)
-{
- struct timeval tv;
- gettimeofday(&tv,NULL);
- return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
-}
-
static int check_diff(FFTSample *tab1, FFTSample *tab2, int n, double scale)
{
int i;
TRANSFORM_DCT,
};
+#if !HAVE_GETOPT
+#include "compat/getopt.c"
+#endif
+
int main(int argc, char **argv)
{
FFTComplex *tab, *tab1, *tab_ref;
break;
case TRANSFORM_DCT:
memcpy(tab, tab1, fft_size * sizeof(FFTComplex));
- d->dct_calc(d, tab);
+ d->dct_calc(d, (FFTSample *)tab);
if (do_inverse) {
- idct_ref(tab_ref, tab1, fft_nbits);
+ idct_ref((FFTSample*)tab_ref, (FFTSample *)tab1, fft_nbits);
} else {
- dct_ref(tab_ref, tab1, fft_nbits);
+ dct_ref((FFTSample*)tab_ref, (FFTSample *)tab1, fft_nbits);
}
err = check_diff((float *)tab_ref, (float *)tab, fft_size, 1.0);
break;
/* we measure during about 1 seconds */
nb_its = 1;
for(;;) {
- time_start = gettime();
+ time_start = av_gettime();
for (it = 0; it < nb_its; it++) {
switch (transform) {
case TRANSFORM_MDCT:
#endif
}
}
- duration = gettime() - time_start;
+ duration = av_gettime() - time_start;
if (duration >= 1000000)
break;
nb_its *= 2;