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	 763ffa2029
			
		
	
	763ffa2029
	
	
	
		
			
			Reviewed-by: Henrik Gramner <henrik@gramner.com> Signed-off-by: James Almer <jamrial@gmail.com>
		
			
				
	
	
		
			91 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			91 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2015 James Almer
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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/flacdsp.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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| 
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| #define BUF_SIZE 256
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| #define MAX_CHANNELS 8
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| 
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| #define randomize_buffers()                                 \
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|     do {                                                    \
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|         int i, j;                                           \
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|         for (i = 0; i < BUF_SIZE; i += 4) {                 \
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|             for (j = 0; j < channels; j++) {                \
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|                 uint32_t r = rnd() & (1 << (bits - 2)) - 1; \
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|                 AV_WN32A(ref_src[j] + i, r);                \
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|                 AV_WN32A(new_src[j] + i, r);                \
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|             }                                               \
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|         }                                                   \
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|     } while (0)
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| 
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| static void check_decorrelate(uint8_t **ref_dst, uint8_t **ref_src, uint8_t **new_dst, uint8_t **new_src,
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|                               int channels, int bits) {
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|     declare_func(void, uint8_t **out, int32_t **in, int channels, int len, int shift);
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| 
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|     randomize_buffers();
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|     call_ref(ref_dst, (int32_t **)ref_src, channels, BUF_SIZE / sizeof(int32_t), 8);
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|     call_new(new_dst, (int32_t **)new_src, channels, BUF_SIZE / sizeof(int32_t), 8);
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|     if (memcmp(*ref_dst, *new_dst, bits == 16 ? BUF_SIZE * (channels/2) : BUF_SIZE * channels) ||
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|         memcmp(*ref_src, *new_src, BUF_SIZE * channels))
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|         fail();
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|     bench_new(new_dst, (int32_t **)new_src, channels, BUF_SIZE / sizeof(int32_t), 8);
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| }
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| 
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| void checkasm_check_flacdsp(void)
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| {
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|     LOCAL_ALIGNED_16(uint8_t, ref_dst, [BUF_SIZE*MAX_CHANNELS]);
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|     LOCAL_ALIGNED_16(uint8_t, ref_buf, [BUF_SIZE*MAX_CHANNELS]);
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|     LOCAL_ALIGNED_16(uint8_t, new_dst, [BUF_SIZE*MAX_CHANNELS]);
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|     LOCAL_ALIGNED_16(uint8_t, new_buf, [BUF_SIZE*MAX_CHANNELS]);
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|     uint8_t *ref_src[] = { &ref_buf[BUF_SIZE*0], &ref_buf[BUF_SIZE*1], &ref_buf[BUF_SIZE*2], &ref_buf[BUF_SIZE*3],
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|                            &ref_buf[BUF_SIZE*4], &ref_buf[BUF_SIZE*5], &ref_buf[BUF_SIZE*6], &ref_buf[BUF_SIZE*7] };
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|     uint8_t *new_src[] = { &new_buf[BUF_SIZE*0], &new_buf[BUF_SIZE*1], &new_buf[BUF_SIZE*2], &new_buf[BUF_SIZE*3],
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|                            &new_buf[BUF_SIZE*4], &new_buf[BUF_SIZE*5], &new_buf[BUF_SIZE*6], &new_buf[BUF_SIZE*7] };
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|     static const char * const names[3] = { "ls", "rs", "ms" };
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|     static const struct {
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|         enum AVSampleFormat fmt;
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|         int bits;
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|     } fmts[] = {
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|         { AV_SAMPLE_FMT_S16, 16 },
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|         { AV_SAMPLE_FMT_S32, 32 },
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|     };
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|     FLACDSPContext h;
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|     int i, j;
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| 
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|     for (i = 0; i < 2; i++) {
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|         ff_flacdsp_init(&h, fmts[i].fmt, 2, 0);
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|         for (j = 0; j < 3; j++)
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|             if (check_func(h.decorrelate[j], "flac_decorrelate_%s_%d", names[j], fmts[i].bits))
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|                 check_decorrelate(&ref_dst, ref_src, &new_dst, new_src, 2, fmts[i].bits);
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|         for (j = 2; j <= MAX_CHANNELS; j += 2) {
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|             ff_flacdsp_init(&h, fmts[i].fmt, j, 0);
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|             if (check_func(h.decorrelate[0], "flac_decorrelate_indep%d_%d", j, fmts[i].bits))
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|                 check_decorrelate(&ref_dst, ref_src, &new_dst, new_src, j, fmts[i].bits);
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|         }
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|     }
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| 
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|     report("decorrelate");
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| }
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