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/*
* Copyright (c) 2016 Alexandra Hájková
*
* 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 "libavutil/intreadwrite.h"
#include "libavcodec/hevcdsp.h"
#include "checkasm.h"
#define randomize_buffers(buf, size) \
do { \
int j; \
for (j = 0; j < size; j++) { \
int16_t r = rnd(); \
AV_WN16A(buf + j, r); \
} \
} while (0)
static void check_idct(HEVCDSPContext h, int bit_depth)
{
int i;
LOCAL_ALIGNED(32, int16_t, coeffs0, [32 * 32]);
LOCAL_ALIGNED(32, int16_t, coeffs1, [32 * 32]);
for (i = 2; i <= 5; i++) {
int block_size = 1 << i;
int size = block_size * block_size;
int col_limit = block_size;
declare_func(void, int16_t *coeffs, int col_limit);
randomize_buffers(coeffs0, size);
memcpy(coeffs1, coeffs0, sizeof(*coeffs0) * size);
if (check_func(h.idct[i - 2], "hevc_idct_%dx%d_%d", block_size, block_size, bit_depth)) {
call_ref(coeffs0, col_limit);
call_new(coeffs1, col_limit);
if (memcmp(coeffs0, coeffs1, sizeof(*coeffs0) * size))
fail();
bench_new(coeffs1, col_limit);
}
}
}
static void check_idct_dc(HEVCDSPContext h, int bit_depth)
{
int i;
LOCAL_ALIGNED(32, int16_t, coeffs0, [32 * 32]);
LOCAL_ALIGNED(32, int16_t, coeffs1, [32 * 32]);
for (i = 2; i <= 5; i++) {
int block_size = 1 << i;
int size = block_size * block_size;
declare_func_emms(AV_CPU_FLAG_MMXEXT, void, int16_t *coeffs);
randomize_buffers(coeffs0, size);
memcpy(coeffs1, coeffs0, sizeof(*coeffs0) * size);
if (check_func(h.idct_dc[i - 2], "hevc_idct_%dx%d_dc_%d", block_size, block_size, bit_depth)) {
call_ref(coeffs0);
call_new(coeffs1);
if (memcmp(coeffs0, coeffs1, sizeof(*coeffs0) * size))
fail();
bench_new(coeffs1);
}
}
}
void checkasm_check_hevc_idct(void)
{
int bit_depth;
for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
HEVCDSPContext h;
ff_hevc_dsp_init(&h, bit_depth);
check_idct_dc(h, bit_depth);
}
report("idct_dc");
for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
HEVCDSPContext h;
ff_hevc_dsp_init(&h, bit_depth);
check_idct(h, bit_depth);
}
report("idct");
}
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