* commit '800ffab48a7844dd5dc0a33b8f6b8e5ed718cf2e': dcadsp: Add a new method, qmf_32_subbands Merged-by: Michael Niedermayer <michaelni@gmx.at>
		
			
				
	
	
		
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			40 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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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_DCADSP_H
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| #define AVCODEC_DCADSP_H
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| 
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| #include "avfft.h"
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| #include "synth_filter.h"
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| 
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| typedef struct DCADSPContext {
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|     void (*lfe_fir)(float *out, const float *in, const float *coefs,
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|                     int decifactor, float scale);
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|     void (*qmf_32_subbands)(float samples_in[32][8], int sb_act,
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|                             SynthFilterContext *synth, FFTContext *imdct,
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|                             float synth_buf_ptr[512],
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|                             int *synth_buf_offset, float synth_buf2[32],
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|                             const float window[512], float *samples_out,
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|                             float raXin[32], float scale);
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| } DCADSPContext;
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| 
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| void ff_dcadsp_init(DCADSPContext *s);
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| void ff_dcadsp_init_arm(DCADSPContext *s);
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| 
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| #endif /* AVCODEC_DCADSP_H */
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