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/*
* 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 <string.h>
#include "checkasm.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/fdctdsp.h"
#include "libavutil/common.h"
#include "libavutil/internal.h"
#include "libavutil/mem_internal.h"
static int int16_cmp_off_by_n(const int16_t *ref, const int16_t *test, size_t n, int accuracy)
{
for (size_t i = 0; i < n; i++) {
if (abs(ref[i] - test[i]) > accuracy)
return 1;
}
return 0;
}
static void check_fdct(void)
{
LOCAL_ALIGNED_16(int16_t, block0, [64]);
LOCAL_ALIGNED_16(int16_t, block1, [64]);
AVCodecContext avctx = {
.bits_per_raw_sample = 8,
.dct_algo = FF_DCT_AUTO,
};
FDCTDSPContext h;
ff_fdctdsp_init(&h, &avctx);
if (check_func(h.fdct, "fdct")) {
declare_func(void, int16_t *);
for (int i = 0; i < 64; i++) {
uint8_t r = rnd();
block0[i] = r;
block1[i] = r;
}
call_ref(block0);
call_new(block1);
if (int16_cmp_off_by_n(block0, block1, 64, 2))
fail();
bench_new(block1);
}
}
void checkasm_check_fdctdsp(void)
{
check_fdct();
report("fdctdsp");
}
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