mirror of https://git.ffmpeg.org/ffmpeg.git
128 lines
6.2 KiB
C
128 lines
6.2 KiB
C
/*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU 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.
|
|
*/
|
|
|
|
#include "libavutil/mem_internal.h"
|
|
#include "libavutil/tx.h"
|
|
#include "libavutil/error.h"
|
|
|
|
#include "checkasm.h"
|
|
|
|
#include <stdlib.h>
|
|
|
|
#define EPS 0.00005
|
|
|
|
#define SCALE_NOOP(x) (x)
|
|
#define SCALE_INT20(x) (av_clip64(lrintf((x) * 2147483648.0), INT32_MIN, INT32_MAX) >> 12)
|
|
|
|
#define randomize_complex(BUF, LEN, TYPE, SCALE) \
|
|
do { \
|
|
TYPE *buf = (TYPE *)BUF; \
|
|
for (int i = 0; i < LEN; i++) { \
|
|
double fre = (double)rnd() / UINT_MAX; \
|
|
double fim = (double)rnd() / UINT_MAX; \
|
|
buf[i] = (TYPE){ SCALE(fre), SCALE(fim) }; \
|
|
} \
|
|
} while (0)
|
|
|
|
static const int check_lens[] = {
|
|
2, 4, 8, 16, 32, 64, 1024, 16384,
|
|
};
|
|
|
|
static AVTXContext *tx_refs[6 /*AVTXType*/][FF_ARRAY_ELEMS(check_lens)];
|
|
static int init = 0;
|
|
|
|
static void free_tx_refs(void)
|
|
{
|
|
for (int i = 0; i < FF_ARRAY_ELEMS(tx_refs); i++)
|
|
for (int j = 0; j < FF_ARRAY_ELEMS(*tx_refs); j++)
|
|
av_tx_uninit(&tx_refs[i][j]);
|
|
}
|
|
|
|
#define CHECK_TEMPLATE(PREFIX, TYPE, DATA_TYPE, SCALE, LENGTHS, CHECK_EXPRESSION) \
|
|
do { \
|
|
int err; \
|
|
AVTXContext *tx; \
|
|
av_tx_fn fn; \
|
|
int num_checks = 0; \
|
|
int last_check = 0; \
|
|
const void *scale = &SCALE; \
|
|
\
|
|
for (int i = 0; i < FF_ARRAY_ELEMS(LENGTHS); i++) { \
|
|
int len = LENGTHS[i]; \
|
|
\
|
|
if ((err = av_tx_init(&tx, &fn, TYPE, 0, len, &scale, 0x0)) < 0) { \
|
|
fprintf(stderr, "av_tx: %s\n", av_err2str(err)); \
|
|
return; \
|
|
} \
|
|
\
|
|
if (check_func(fn, PREFIX "_%i", len)) { \
|
|
AVTXContext *tx_ref = tx_refs[TYPE][i]; \
|
|
if (!tx_ref) \
|
|
tx_ref = tx; \
|
|
num_checks++; \
|
|
last_check = len; \
|
|
call_ref(tx_ref, out_ref, in, sizeof(DATA_TYPE)); \
|
|
call_new(tx, out_new, in, sizeof(DATA_TYPE)); \
|
|
if (CHECK_EXPRESSION) { \
|
|
fail(); \
|
|
av_tx_uninit(&tx); \
|
|
break; \
|
|
} \
|
|
bench_new(tx, out_new, in, sizeof(DATA_TYPE)); \
|
|
av_tx_uninit(&tx_refs[TYPE][i]); \
|
|
tx_refs[TYPE][i] = tx; \
|
|
} else { \
|
|
av_tx_uninit(&tx); \
|
|
} \
|
|
} \
|
|
\
|
|
if (num_checks == 1) \
|
|
report(PREFIX "_%i", last_check); \
|
|
else if (num_checks) \
|
|
report(PREFIX); \
|
|
} while (0)
|
|
|
|
void checkasm_check_av_tx(void)
|
|
{
|
|
const float scale_float = 1.0f;
|
|
const double scale_double = 1.0f;
|
|
|
|
declare_func(void, AVTXContext *tx, void *out, void *in, ptrdiff_t stride);
|
|
|
|
void *in = av_malloc(16384*2*8);
|
|
void *out_ref = av_malloc(16384*2*8);
|
|
void *out_new = av_malloc(16384*2*8);
|
|
|
|
randomize_complex(in, 16384, AVComplexFloat, SCALE_NOOP);
|
|
CHECK_TEMPLATE("float_fft", AV_TX_FLOAT_FFT, AVComplexFloat, scale_float, check_lens,
|
|
!float_near_abs_eps_array(out_ref, out_new, EPS, len*2));
|
|
|
|
randomize_complex(in, 16384, AVComplexDouble, SCALE_NOOP);
|
|
CHECK_TEMPLATE("double_fft", AV_TX_DOUBLE_FFT, AVComplexDouble, scale_double, check_lens,
|
|
!double_near_abs_eps_array(out_ref, out_new, EPS, len*2));
|
|
|
|
av_free(in);
|
|
av_free(out_ref);
|
|
av_free(out_new);
|
|
|
|
if (!init) {
|
|
init = 1;
|
|
atexit(free_tx_refs);
|
|
}
|
|
}
|