53 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * copyright (c) 2008 Michael Niedermayer <michaelni@gmx.at>
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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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| #ifndef AVCODEC_SYNTH_FILTER_H
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| #define AVCODEC_SYNTH_FILTER_H
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| 
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| #include "fft.h"
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| #include "dcadct.h"
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| 
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| typedef struct SynthFilterContext {
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|     void (*synth_filter_float)(FFTContext *imdct,
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|                                float *synth_buf_ptr, int *synth_buf_offset,
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|                                float synth_buf2[32], const float window[512],
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|                                float out[32], const float in[32],
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|                                float scale);
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|     void (*synth_filter_float_64)(FFTContext *imdct,
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|                                   float *synth_buf_ptr, int *synth_buf_offset,
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|                                   float synth_buf2[64], const float window[1024],
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|                                   float out[64], const float in[64], float scale);
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|     void (*synth_filter_fixed)(DCADCTContext *imdct,
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|                                int32_t *synth_buf_ptr, int *synth_buf_offset,
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|                                int32_t synth_buf2[32], const int32_t window[512],
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|                                int32_t out[32], const int32_t in[32]);
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|     void (*synth_filter_fixed_64)(DCADCTContext *imdct,
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|                                   int32_t *synth_buf_ptr, int *synth_buf_offset,
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|                                   int32_t synth_buf2[64], const int32_t window[1024],
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|                                   int32_t out[64], const int32_t in[64]);
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| } SynthFilterContext;
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| 
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| void ff_synth_filter_init(SynthFilterContext *c);
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| void ff_synth_filter_init_aarch64(SynthFilterContext *c);
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| void ff_synth_filter_init_arm(SynthFilterContext *c);
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| void ff_synth_filter_init_x86(SynthFilterContext *c);
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| 
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| #endif /* AVCODEC_SYNTH_FILTER_H */
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