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			46 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Common stuff for some Microsoft Screen codecs
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|  * Copyright (C) 2012 Konstantin Shishkov
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|  *
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|  * This file is part of Libav.
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|  *
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|  * Libav 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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|  * Libav 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 Libav; 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_MSS34DSP_H
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| #define AVCODEC_MSS34DSP_H
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| 
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| #include <stdint.h>
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| 
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| /**
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|  * Generate quantisation matrix for given quality.
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|  *
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|  * @param qmat    destination matrix
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|  * @param quality quality setting (1-100)
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|  * @param luma    generate quantisation matrix for luma or chroma
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|  */
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| void ff_mss34_gen_quant_mat(uint16_t *qmat, int quality, int luma);
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| 
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| /**
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|  * Transform and output DCT block.
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|  *
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|  * @param dst     output plane
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|  * @param stride  output plane stride
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|  * @param block   block to transform and output
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|  */
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| void ff_mss34_dct_put(uint8_t *dst, int stride, int *block);
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| 
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| #endif /* AVCODEC_MSS34DSP_H */
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