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/*
* Copyright (c) 2015 Henrik Gramner
*
* 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 "checkasm.h"
#include "libavcodec/bswapdsp.h"
#include "libavutil/common.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#define BUF_SIZE 512
#define randomize_buffers() \
do { \
int i; \
for (i = 0; i < BUF_SIZE; i += 4) { \
uint32_t r = rnd(); \
AV_WN32A(src0 + i, r); \
AV_WN32A(src1 + i, r); \
r = rnd(); \
AV_WN32A(dst0 + i, r); \
AV_WN32A(dst1 + i, r); \
} \
} while (0)
#define check_bswap(type) \
do { \
int w; \
declare_func(void, type *dst, const type *src, int w); \
\
for (w = 0; w < BUF_SIZE / sizeof(type); w++) { \
int offset = (BUF_SIZE / sizeof(type) - w) & 15; /* Test various alignments */ \
randomize_buffers(); \
call_ref((type *)dst0 + offset, (type *)src0 + offset, w); \
call_new((type *)dst1 + offset, (type *)src1 + offset, w); \
if (memcmp(src0, src1, BUF_SIZE) || memcmp(dst0, dst1, BUF_SIZE)) \
fail(); \
bench_new((type *)dst1 + offset, (type *)src1 + offset, w); \
} \
} while (0)
void checkasm_check_bswapdsp(void)
{
LOCAL_ALIGNED_16(uint8_t, src0, [BUF_SIZE]);
LOCAL_ALIGNED_16(uint8_t, src1, [BUF_SIZE]);
LOCAL_ALIGNED_16(uint8_t, dst0, [BUF_SIZE]);
LOCAL_ALIGNED_16(uint8_t, dst1, [BUF_SIZE]);
BswapDSPContext h;
ff_bswapdsp_init(&h);
if (check_func(h.bswap_buf, "bswap_buf"))
check_bswap(uint32_t);
if (check_func(h.bswap16_buf, "bswap16_buf"))
check_bswap(uint16_t);
report("bswap");
}
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