ffmpeg/tests/checkasm/llviddsp.c

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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/common.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "libavcodec/lossless_videodsp.h"
#include "checkasm.h"
#define randomize_buffers(buf, size) \
do { \
int j; \
for (j = 0; j < size; j++) \
buf[j] = rnd() & 0xFF; \
} while (0)
static void check_add_bytes(LLVidDSPContext c, int width)
{
uint8_t *src0 = av_mallocz(width);
uint8_t *src1 = av_mallocz(width);
uint8_t *dst0 = av_mallocz(width);
uint8_t *dst1 = av_mallocz(width);
declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, uint8_t *src, int w);
if (!src0 || !src1 || !dst0 || !dst1)
fail();
randomize_buffers(src0, width);
memcpy(src1, src0, width);
if (check_func(c.add_bytes, "add_bytes")) {
call_ref(dst0, src0, width);
call_new(dst1, src1, width);
if (memcmp(dst0, dst1, width))
fail();
bench_new(dst1, src1, width);
}
av_free(src0);
av_free(src1);
av_free(dst0);
av_free(dst1);
}
void checkasm_check_llviddsp(void)
{
LLVidDSPContext c;
int width = 16 * av_clip(rnd(), 16, 128);
ff_llviddsp_init(&c);
check_add_bytes(c, width);
report("add_bytes");
}