45 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright © 2023 Rémi Denis-Courmont.
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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 "config.h"
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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 "libavcodec/lossless_audiodsp.h"
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| 
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| int32_t ff_scalarproduct_and_madd_int16_rvv(int16_t *v1, const int16_t *v2,
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|                                             const int16_t *v3, int len,
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|                                             int mul);
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| int32_t ff_scalarproduct_and_madd_int32_rvv(int16_t *v1, const int32_t *v2,
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|                                             const int16_t *v3, int len,
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|                                             int mul);
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| 
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| av_cold void ff_llauddsp_init_riscv(LLAudDSPContext *c)
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| {
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| #if HAVE_RVV
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|     int flags = av_get_cpu_flags();
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| 
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|     if ((flags & AV_CPU_FLAG_RVV_I32)  && (flags & AV_CPU_FLAG_RVB_ADDR)) {
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|         c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_rvv;
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|         c->scalarproduct_and_madd_int32 = ff_scalarproduct_and_madd_int32_rvv;
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|     }
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| #endif
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| }
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