mirror of
				https://github.com/nyanmisaka/ffmpeg-rockchip.git
				synced 2025-10-31 12:36:41 +08:00 
			
		
		
		
	 2684d2e3ea
			
		
	
	2684d2e3ea
	
	
	
		
			
			* commit '284ea790d89441fa1e6b2d72d3c1ed6d61972f0b': dsputil: move vector_fmul_scalar() to AVFloatDSPContext in libavutil aacenc: use the correct output buffer aacdec: fix signed overflows in lcg_random() base64: fix signed overflow in shift Conflicts: libavcodec/dsputil.c libavutil/base64.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
		
			
				
	
	
		
			66 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Copyright 2005 Balatoni Denes
 | |
|  * Copyright 2006 Loren Merritt
 | |
|  *
 | |
|  * This file is part of FFmpeg.
 | |
|  *
 | |
|  * FFmpeg is free software; you can redistribute it and/or
 | |
|  * modify it under the terms of the GNU Lesser General Public
 | |
|  * License as published by the Free Software Foundation; either
 | |
|  * version 2.1 of the License, or (at your option) any later version.
 | |
|  *
 | |
|  * FFmpeg is distributed in the hope that it will be useful,
 | |
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | |
|  * Lesser General Public License for more details.
 | |
|  *
 | |
|  * You should have received a copy of the GNU Lesser General Public
 | |
|  * License along with FFmpeg; if not, write to the Free Software
 | |
|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 | |
|  */
 | |
| 
 | |
| #include "config.h"
 | |
| 
 | |
| #include "float_dsp.h"
 | |
| 
 | |
| static void vector_fmul_c(float *dst, const float *src0, const float *src1,
 | |
|                           int len)
 | |
| {
 | |
|     int i;
 | |
|     for (i = 0; i < len; i++)
 | |
|         dst[i] = src0[i] * src1[i];
 | |
| }
 | |
| 
 | |
| static void vector_fmac_scalar_c(float *dst, const float *src, float mul,
 | |
|                                  int len)
 | |
| {
 | |
|     int i;
 | |
|     for (i = 0; i < len; i++)
 | |
|         dst[i] += src[i] * mul;
 | |
| }
 | |
| 
 | |
| static void vector_fmul_scalar_c(float *dst, const float *src, float mul,
 | |
|                                  int len)
 | |
| {
 | |
|     int i;
 | |
|     for (i = 0; i < len; i++)
 | |
|         dst[i] = src[i] * mul;
 | |
| }
 | |
| 
 | |
| void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact)
 | |
| {
 | |
|     fdsp->vector_fmul = vector_fmul_c;
 | |
|     fdsp->vector_fmac_scalar = vector_fmac_scalar_c;
 | |
|     fdsp->vector_fmul_scalar = vector_fmul_scalar_c;
 | |
| 
 | |
| #if ARCH_ARM
 | |
|     ff_float_dsp_init_arm(fdsp);
 | |
| #elif ARCH_PPC
 | |
|     ff_float_dsp_init_ppc(fdsp, bit_exact);
 | |
| #elif ARCH_X86
 | |
|     ff_float_dsp_init_x86(fdsp);
 | |
| #elif ARCH_MIPS
 | |
|     ff_float_dsp_init_mips(fdsp);
 | |
| #endif
 | |
| }
 |