mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
128 lines
6.4 KiB
128 lines
6.4 KiB
/* |
|
* 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[AV_TX_NB][2 /* Direction */][FF_ARRAY_ELEMS(check_lens)] = { 0 }; |
|
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++) |
|
for (int k = 0; k < FF_ARRAY_ELEMS(**tx_refs); k++) |
|
av_tx_uninit(&tx_refs[i][j][k]); |
|
} |
|
|
|
#define CHECK_TEMPLATE(PREFIX, TYPE, DIR, DATA_TYPE, SCALE_TYPE, LENGTHS, CHECK_EXPRESSION) \ |
|
do { \ |
|
int err; \ |
|
AVTXContext *tx; \ |
|
av_tx_fn fn; \ |
|
int num_checks = 0; \ |
|
int last_check = 0; \ |
|
\ |
|
for (int i = 0; i < FF_ARRAY_ELEMS(LENGTHS); i++) { \ |
|
int len = LENGTHS[i]; \ |
|
const SCALE_TYPE scale = 1.0 / len; \ |
|
\ |
|
if ((err = av_tx_init(&tx, &fn, TYPE, DIR, 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][DIR][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][DIR][i]); \ |
|
tx_refs[TYPE][DIR][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) |
|
{ |
|
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, 0, AVComplexFloat, float, check_lens, |
|
!float_near_abs_eps_array(out_ref, out_new, EPS, len*2)); |
|
|
|
CHECK_TEMPLATE("float_imdct", AV_TX_FLOAT_MDCT, 1, float, float, check_lens, |
|
!float_near_abs_eps_array(out_ref, out_new, EPS, len)); |
|
|
|
randomize_complex(in, 16384, AVComplexDouble, SCALE_NOOP); |
|
CHECK_TEMPLATE("double_fft", AV_TX_DOUBLE_FFT, 0, AVComplexDouble, 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); |
|
} |
|
}
|
|
|