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			60 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * SIMD optimized JPEG 2000 DSP functions
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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
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|  * modify it under the terms of the GNU Lesser General Public
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|  * License as published by the Free Software Foundation; either
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|  * version 2.1 of the License, or (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 GNU
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|  * Lesser General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Lesser General Public
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|  * License along with FFmpeg; if not, write to the Free Software
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|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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|  */
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| 
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| #include "libavutil/attributes.h"
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| #include "libavutil/cpu.h"
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| #include "libavutil/x86/cpu.h"
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| #include "libavcodec/jpeg2000dsp.h"
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| 
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| void ff_ict_float_sse(void *src0, void *src1, void *src2, int csize);
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| void ff_ict_float_avx(void *src0, void *src1, void *src2, int csize);
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| void ff_ict_float_fma3(void *src0, void *src1, void *src2, int csize);
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| void ff_ict_float_fma4(void *src0, void *src1, void *src2, int csize);
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| void ff_rct_int_sse2 (void *src0, void *src1, void *src2, int csize);
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| void ff_rct_int_avx2 (void *src0, void *src1, void *src2, int csize);
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| 
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| av_cold void ff_jpeg2000dsp_init_x86(Jpeg2000DSPContext *c)
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| {
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|     int cpu_flags = av_get_cpu_flags();
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|     if (EXTERNAL_SSE(cpu_flags)) {
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|         c->mct_decode[FF_DWT97] = ff_ict_float_sse;
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|     }
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| 
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|     if (EXTERNAL_SSE2(cpu_flags)) {
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|         c->mct_decode[FF_DWT53] = ff_rct_int_sse2;
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|     }
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| 
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|     if (EXTERNAL_AVX_FAST(cpu_flags)) {
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|         c->mct_decode[FF_DWT97] = ff_ict_float_avx;
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|     }
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| 
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|     if (EXTERNAL_FMA4(cpu_flags)) {
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|         c->mct_decode[FF_DWT97] = ff_ict_float_fma4;
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|     }
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| 
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|     if (EXTERNAL_FMA3_FAST(cpu_flags)) {
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|         c->mct_decode[FF_DWT97] = ff_ict_float_fma3;
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|     }
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| 
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|     if (EXTERNAL_AVX2_FAST(cpu_flags)) {
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|         c->mct_decode[FF_DWT53] = ff_rct_int_avx2;
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|     }
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| }
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