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/*
* Copyright (c) 2016 Tiancheng "Timothy" Gu
*
* 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 "libavfilter/vf_blend_init.h"
#include "libavutil/common.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#define WIDTH 256
#define HEIGHT 256
#define BUF_UNITS 3
#define SIZE_PER_UNIT (WIDTH * HEIGHT)
#define BUF_SIZE (BUF_UNITS * SIZE_PER_UNIT)
#define randomize_buffers() \
do { \
int i, j; \
for (i = 0; i < HEIGHT; i++) { \
for (j = 0; j < WIDTH; j++) { \
top1[i * WIDTH + j] = \
top2[i * WIDTH + j] = i; \
bot1[i * WIDTH + j] = \
bot2[i * WIDTH + j] = j; \
} \
} \
for (i = 0; i < SIZE_PER_UNIT; i += 4) { \
uint32_t r = rnd(); \
AV_WN32A(dst1 + i, r); \
AV_WN32A(dst2 + i, r); \
} \
for (; i < BUF_SIZE; i += 4) { \
uint32_t r = rnd(); \
AV_WN32A(top1 + i, r); \
AV_WN32A(top2 + i, r); \
r = rnd(); \
AV_WN32A(bot1 + i, r); \
AV_WN32A(bot2 + i, r); \
r = rnd(); \
AV_WN32A(dst1 + i, r); \
AV_WN32A(dst2 + i, r); \
} \
} while (0)
#define check_blend_func(depth) \
do { \
int i, w; \
declare_func(void, const uint8_t *top, ptrdiff_t top_linesize, \
const uint8_t *bottom, ptrdiff_t bottom_linesize, \
uint8_t *dst, ptrdiff_t dst_linesize, \
ptrdiff_t width, ptrdiff_t height, \
struct FilterParams *param, struct SliceParams *sliceparam); \
w = WIDTH / depth; \
\
for (i = 0; i < BUF_UNITS - 1; i++) { \
int src_offset = i * SIZE_PER_UNIT + (BUF_UNITS - 1 - i) * depth; /* Test various alignments */ \
int dst_offset = i * SIZE_PER_UNIT; /* dst must be aligned */ \
randomize_buffers(); \
call_ref(top1 + src_offset, w, bot1 + src_offset, w, \
dst1 + dst_offset, w, w, HEIGHT, ¶m, NULL); \
call_new(top2 + src_offset, w, bot2 + src_offset, w, \
dst2 + dst_offset, w, w, HEIGHT, ¶m, NULL); \
if (memcmp(top1, top2, BUF_SIZE) || memcmp(bot1, bot2, BUF_SIZE) || memcmp(dst1, dst2, BUF_SIZE)) \
fail(); \
} \
bench_new(top2, w / 4, bot2, w / 4, dst2, w / 4, \
w / 4, HEIGHT / 4, ¶m, NULL); \
} while (0)
void checkasm_check_blend(void)
{
uint8_t *top1 = av_malloc(BUF_SIZE);
uint8_t *top2 = av_malloc(BUF_SIZE);
uint8_t *bot1 = av_malloc(BUF_SIZE);
uint8_t *bot2 = av_malloc(BUF_SIZE);
uint8_t *dst1 = av_malloc(BUF_SIZE);
uint8_t *dst2 = av_malloc(BUF_SIZE);
FilterParams param = {
.opacity = 1.0,
};
#define check_and_report(name, val, depth) \
param.mode = val; \
ff_blend_init(¶m, depth * 8); \
if (check_func(param.blend, #name)) \
check_blend_func(depth);
check_and_report(addition, BLEND_ADDITION, 1)
check_and_report(grainmerge, BLEND_GRAINMERGE, 1)
check_and_report(and, BLEND_AND, 1)
check_and_report(average, BLEND_AVERAGE, 1)
check_and_report(darken, BLEND_DARKEN, 1)
check_and_report(grainextract, BLEND_GRAINEXTRACT, 1)
check_and_report(hardmix, BLEND_HARDMIX, 1)
check_and_report(lighten, BLEND_LIGHTEN, 1)
check_and_report(multiply, BLEND_MULTIPLY, 1)
check_and_report(or, BLEND_OR, 1)
check_and_report(phoenix, BLEND_PHOENIX, 1)
check_and_report(screen, BLEND_SCREEN, 1)
check_and_report(subtract, BLEND_SUBTRACT, 1)
check_and_report(xor, BLEND_XOR, 1)
check_and_report(difference, BLEND_DIFFERENCE, 1)
check_and_report(extremity, BLEND_EXTREMITY, 1)
check_and_report(negation, BLEND_NEGATION, 1)
report("8bit");
check_and_report(addition_16, BLEND_ADDITION, 2)
check_and_report(grainmerge_16, BLEND_GRAINMERGE, 2)
check_and_report(and_16, BLEND_AND, 2)
check_and_report(average_16, BLEND_AVERAGE, 2)
check_and_report(darken_16, BLEND_DARKEN, 2)
check_and_report(grainextract_16, BLEND_GRAINEXTRACT, 2)
check_and_report(difference_16, BLEND_DIFFERENCE, 2)
check_and_report(extremity_16, BLEND_EXTREMITY, 2)
check_and_report(negation_16, BLEND_NEGATION, 2)
check_and_report(lighten_16, BLEND_LIGHTEN, 2)
check_and_report(or_16, BLEND_OR, 2)
check_and_report(phoenix_16, BLEND_PHOENIX, 2)
check_and_report(subtract_16, BLEND_SUBTRACT, 2)
check_and_report(xor_16, BLEND_SUBTRACT, 2)
report("16bit");
av_freep(&top1);
av_freep(&top2);
av_freep(&bot1);
av_freep(&bot2);
av_freep(&dst1);
av_freep(&dst2);
}
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