mirror of
				https://github.com/nyanmisaka/ffmpeg-rockchip.git
				synced 2025-10-31 12:36:41 +08:00 
			
		
		
		
	 3bfdee00cd
			
		
	
	3bfdee00cd
	
	
	
		
			
			Some optimized functions reference optimized symbols, so the functions must be explicitly disabled when those symbols are unavailable.
		
			
				
	
	
		
			90 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com>
 | |
|  *
 | |
|  * This file is part of Libav.
 | |
|  *
 | |
|  * Libav 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.
 | |
|  *
 | |
|  * Libav 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 Libav; if not, write to the Free Software
 | |
|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 | |
|  */
 | |
| 
 | |
| #include "libavutil/attributes.h"
 | |
| #include "libavutil/cpu.h"
 | |
| #include "libavutil/x86/cpu.h"
 | |
| #include "libavcodec/dcadsp.h"
 | |
| 
 | |
| void ff_decode_hf_sse(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS],
 | |
|                       const int8_t hf_vq[1024][32], intptr_t vq_offset,
 | |
|                       int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end);
 | |
| void ff_decode_hf_sse2(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS],
 | |
|                        const int8_t hf_vq[1024][32], intptr_t vq_offset,
 | |
|                        int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end);
 | |
| void ff_decode_hf_sse4(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS],
 | |
|                        const int8_t hf_vq[1024][32], intptr_t vq_offset,
 | |
|                        int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end);
 | |
| void ff_dca_lfe_fir0_sse(float *out, const float *in, const float *coefs);
 | |
| void ff_dca_lfe_fir1_sse(float *out, const float *in, const float *coefs);
 | |
| 
 | |
| av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
 | |
| {
 | |
|     int cpu_flags = av_get_cpu_flags();
 | |
| 
 | |
|     if (EXTERNAL_SSE(cpu_flags)) {
 | |
| #if ARCH_X86_32
 | |
|         s->decode_hf = ff_decode_hf_sse;
 | |
| #endif
 | |
|         s->lfe_fir[0]        = ff_dca_lfe_fir0_sse;
 | |
|         s->lfe_fir[1]        = ff_dca_lfe_fir1_sse;
 | |
|     }
 | |
| 
 | |
|     if (EXTERNAL_SSE2(cpu_flags)) {
 | |
|         s->decode_hf = ff_decode_hf_sse2;
 | |
|     }
 | |
| 
 | |
|     if (EXTERNAL_SSE4(cpu_flags)) {
 | |
|         s->decode_hf = ff_decode_hf_sse4;
 | |
|     }
 | |
| }
 | |
| 
 | |
| void ff_synth_filter_inner_sse2(float *synth_buf_ptr, float synth_buf2[32],
 | |
|                                 const float window[512],
 | |
|                                 float out[32], intptr_t offset, float scale);
 | |
| 
 | |
| #if HAVE_YASM
 | |
| static void synth_filter_sse2(FFTContext *imdct,
 | |
|                               float *synth_buf_ptr, int *synth_buf_offset,
 | |
|                               float synth_buf2[32], const float window[512],
 | |
|                               float out[32], const float in[32], float scale)
 | |
| {
 | |
|     float *synth_buf= synth_buf_ptr + *synth_buf_offset;
 | |
| 
 | |
|     imdct->imdct_half(imdct, synth_buf, in);
 | |
| 
 | |
|     ff_synth_filter_inner_sse2(synth_buf, synth_buf2, window,
 | |
|                                out, *synth_buf_offset, scale);
 | |
| 
 | |
|     *synth_buf_offset = (*synth_buf_offset - 32) & 511;
 | |
| }
 | |
| #endif /* HAVE_YASM */
 | |
| 
 | |
| av_cold void ff_synth_filter_init_x86(SynthFilterContext *s)
 | |
| {
 | |
| #if HAVE_YASM
 | |
|     int cpu_flags = av_get_cpu_flags();
 | |
| 
 | |
|     if (EXTERNAL_SSE2(cpu_flags)) {
 | |
|         s->synth_filter_float = synth_filter_sse2;
 | |
|     }
 | |
| #endif /* HAVE_YASM */
 | |
| }
 |