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/*
* Copyright (c) 2015 Ronald S. Bultje <rsbultje@gmail.com>
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <string.h>
#include "libavutil/common.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavcodec/vp9.h"
#include "checkasm.h"
static const uint32_t pixel_mask[3] = { 0xffffffff, 0x03ff03ff, 0x0fff0fff };
#define BIT_DEPTH 8
#define SIZEOF_PIXEL ((BIT_DEPTH + 7) / 8)
#define DST_BUF_SIZE (size * size * SIZEOF_PIXEL)
#define SRC_BUF_STRIDE 72
#define SRC_BUF_SIZE ((size + 7) * SRC_BUF_STRIDE * SIZEOF_PIXEL)
#define src (buf + 3 * SIZEOF_PIXEL * (SRC_BUF_STRIDE + 1))
#define randomize_buffers() \
do { \
uint32_t mask = pixel_mask[(BIT_DEPTH - 8) >> 1]; \
int k; \
for (k = 0; k < SRC_BUF_SIZE; k += 4) { \
uint32_t r = rnd() & mask; \
AV_WN32A(buf + k, r); \
} \
if (op == 1) { \
for (k = 0; k < DST_BUF_SIZE; k += 4) { \
uint32_t r = rnd() & mask; \
AV_WN32A(dst0 + k, r); \
AV_WN32A(dst1 + k, r); \
} \
} \
} while (0)
static void check_mc(void)
{
static const char *const filter_names[4] = {
"8tap_smooth", "8tap_regular", "8tap_sharp", "bilin"
};
static const char *const subpel_names[2][2] = { { "", "h" }, { "v", "hv" } };
static const char *const op_names[2] = { "put", "avg" };
LOCAL_ALIGNED_32(uint8_t, buf, [72 * 72 * 2]);
LOCAL_ALIGNED_32(uint8_t, dst0, [64 * 64 * 2]);
LOCAL_ALIGNED_32(uint8_t, dst1, [64 * 64 * 2]);
char str[256];
VP9DSPContext dsp;
int op, hsize, filter, dx, dy;
declare_func_emms(AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMXEXT,
void, uint8_t *dst, const uint8_t *ref,
ptrdiff_t dst_stride, ptrdiff_t ref_stride,
int h, int mx, int my);
for (op = 0; op < 2; op++) {
ff_vp9dsp_init(&dsp);
for (hsize = 0; hsize < 5; hsize++) {
int size = 64 >> hsize;
for (filter = 0; filter < 4; filter++) {
for (dx = 0; dx < 2; dx++) {
for (dy = 0; dy < 2; dy++) {
if (dx || dy) {
snprintf(str, sizeof(str), "%s_%s_%d%s", op_names[op],
filter_names[filter], size,
subpel_names[dy][dx]);
} else {
snprintf(str, sizeof(str), "%s%d", op_names[op], size);
}
if (check_func(dsp.mc[hsize][filter][op][dx][dy],
"vp9_%s", str)) {
int mx = dx ? 1 + (rnd() % 14) : 0;
int my = dy ? 1 + (rnd() % 14) : 0;
randomize_buffers();
call_ref(dst0, src,
size * SIZEOF_PIXEL,
SRC_BUF_STRIDE * SIZEOF_PIXEL,
size, mx, my);
call_new(dst1, src,
size * SIZEOF_PIXEL,
SRC_BUF_STRIDE * SIZEOF_PIXEL,
size, mx, my);
if (memcmp(dst0, dst1, DST_BUF_SIZE))
fail();
// SIMD implementations for each filter of subpel
// functions are identical
if (filter >= 1 && filter <= 2) continue;
bench_new(dst1, src, size * SIZEOF_PIXEL,
SRC_BUF_STRIDE * SIZEOF_PIXEL,
size, mx, my);
}
}
}
}
}
}
report("mc");
}
void checkasm_check_vp9dsp(void)
{
check_mc();
}
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