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			78 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2015 Henrik Gramner
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|  *
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|  * This file is part of FFmpeg.
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|  *
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|  * FFmpeg 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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|  * FFmpeg 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 FFmpeg; 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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| 
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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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| #include "libavutil/mem_internal.h"
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| 
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| #define BUF_SIZE 512
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| 
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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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| 
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| #define check_bswap(type)                                                                  \
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|     do {                                                                                   \
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|         int w;                                                                             \
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|         declare_func(void, type *dst, const type *src, int w);                             \
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|                                                                                            \
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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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| 
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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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| 
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|     ff_bswapdsp_init(&h);
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| 
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|     if (check_func(h.bswap_buf, "bswap_buf"))
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|         check_bswap(uint32_t);
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| 
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|     if (check_func(h.bswap16_buf, "bswap16_buf"))
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|         check_bswap(uint16_t);
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| 
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|     report("bswap");
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| }
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