ffmpeg/tests/checkasm/exrdsp.c

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/*
* Copyright (c) 2017 James Almer
*
* 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/exrdsp.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem_internal.h"
#define BUF_SIZE 5120
#define PADDED_BUF_SIZE BUF_SIZE+AV_INPUT_BUFFER_PADDING_SIZE*2
#define randomize_buffers() \
do { \
int i; \
for (i = 0; i < BUF_SIZE; i += 4) { \
uint32_t r = rnd(); \
AV_WN32A(src + i, r); \
} \
} while (0)
static void check_reorder_pixels(void) {
LOCAL_ALIGNED_32(uint8_t, src, [PADDED_BUF_SIZE]);
LOCAL_ALIGNED_32(uint8_t, dst_ref, [PADDED_BUF_SIZE]);
LOCAL_ALIGNED_32(uint8_t, dst_new, [PADDED_BUF_SIZE]);
declare_func(void, uint8_t *dst, const uint8_t *src, ptrdiff_t size);
memset(src, 0, PADDED_BUF_SIZE);
memset(dst_ref, 0, PADDED_BUF_SIZE);
memset(dst_new, 0, PADDED_BUF_SIZE);
randomize_buffers();
call_ref(dst_ref, src, BUF_SIZE);
call_new(dst_new, src, BUF_SIZE);
if (memcmp(dst_ref, dst_new, BUF_SIZE))
fail();
bench_new(dst_new, src, BUF_SIZE);
}
static void check_predictor(void) {
LOCAL_ALIGNED_32(uint8_t, src, [PADDED_BUF_SIZE]);
LOCAL_ALIGNED_32(uint8_t, dst_ref, [PADDED_BUF_SIZE]);
LOCAL_ALIGNED_32(uint8_t, dst_new, [PADDED_BUF_SIZE]);
declare_func(void, uint8_t *src, ptrdiff_t size);
memset(src, 0, PADDED_BUF_SIZE);
randomize_buffers();
memcpy(dst_ref, src, PADDED_BUF_SIZE);
memcpy(dst_new, src, PADDED_BUF_SIZE);
call_ref(dst_ref, BUF_SIZE);
call_new(dst_new, BUF_SIZE);
if (memcmp(dst_ref, dst_new, BUF_SIZE))
fail();
bench_new(dst_new, BUF_SIZE);
}
void checkasm_check_exrdsp(void)
{
ExrDSPContext h;
ff_exrdsp_init(&h);
if (check_func(h.reorder_pixels, "reorder_pixels"))
check_reorder_pixels();
report("reorder_pixels");
if (check_func(h.predictor, "predictor"))
check_predictor();
report("predictor");
}