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https://github.com/FFmpeg/FFmpeg.git
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75 lines
3.0 KiB
C
75 lines
3.0 KiB
C
/*
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* Copyright (c) 2015 Henrik Gramner
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with Libav; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <string.h>
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#include "checkasm.h"
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#include "libavcodec/bswapdsp.h"
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#include "libavutil/common.h"
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#include "libavutil/internal.h"
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#include "libavutil/intreadwrite.h"
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#define BUF_SIZE 512
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#define randomize_buffers() \
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do { \
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int i; \
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for (i = 0; i < BUF_SIZE; i += 4) { \
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uint32_t r = rnd(); \
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AV_WN32A(src0 + i, r); \
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AV_WN32A(src1 + i, r); \
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r = rnd(); \
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AV_WN32A(dst0 + i, r); \
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AV_WN32A(dst1 + i, r); \
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} \
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} while (0)
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#define check_bswap(type) \
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do { \
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int w; \
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for (w = 0; w < BUF_SIZE / sizeof(type); w++) { \
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int offset = (BUF_SIZE / sizeof(type) - w) & 15; /* Test various alignments */ \
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randomize_buffers(); \
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call_ref((type *)dst0 + offset, (type *)src0 + offset, w); \
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call_new((type *)dst1 + offset, (type *)src1 + offset, w); \
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if (memcmp(src0, src1, BUF_SIZE) || memcmp(dst0, dst1, BUF_SIZE)) \
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fail(); \
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bench_new((type *)dst1 + offset, (type *)src1 + offset, w); \
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} \
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} while (0)
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void checkasm_check_bswapdsp(void)
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{
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LOCAL_ALIGNED_16(uint8_t, src0, [BUF_SIZE]);
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LOCAL_ALIGNED_16(uint8_t, src1, [BUF_SIZE]);
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LOCAL_ALIGNED_16(uint8_t, dst0, [BUF_SIZE]);
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LOCAL_ALIGNED_16(uint8_t, dst1, [BUF_SIZE]);
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BswapDSPContext h;
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ff_bswapdsp_init(&h);
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if (check_func(h.bswap_buf, "bswap_buf"))
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check_bswap(uint32_t);
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if (check_func(h.bswap16_buf, "bswap16_buf"))
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check_bswap(uint16_t);
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report("bswap");
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}
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