70 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * VC-1 and WMV3 decoder - DSP functions
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|  * Copyright (c) 2006 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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| /**
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|  * @file
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|  * VC-1 and WMV3 decoder
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|  *
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|  */
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| 
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| #ifndef AVCODEC_VC1DSP_H
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| #define AVCODEC_VC1DSP_H
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| 
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| #include "dsputil.h"
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| 
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| typedef struct VC1DSPContext {
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|     /* vc1 functions */
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|     void (*vc1_inv_trans_8x8)(DCTELEM *b);
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|     void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, DCTELEM *block);
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|     void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, DCTELEM *block);
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|     void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, DCTELEM *block);
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|     void (*vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
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|     void (*vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, DCTELEM *block);
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|     void (*vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
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|     void (*vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, DCTELEM *block);
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|     void (*vc1_v_overlap)(uint8_t *src, int stride);
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|     void (*vc1_h_overlap)(uint8_t *src, int stride);
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|     void (*vc1_v_s_overlap)(DCTELEM *top,  DCTELEM *bottom);
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|     void (*vc1_h_s_overlap)(DCTELEM *left, DCTELEM *right);
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|     void (*vc1_v_loop_filter4)(uint8_t *src, int stride, int pq);
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|     void (*vc1_h_loop_filter4)(uint8_t *src, int stride, int pq);
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|     void (*vc1_v_loop_filter8)(uint8_t *src, int stride, int pq);
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|     void (*vc1_h_loop_filter8)(uint8_t *src, int stride, int pq);
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|     void (*vc1_v_loop_filter16)(uint8_t *src, int stride, int pq);
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|     void (*vc1_h_loop_filter16)(uint8_t *src, int stride, int pq);
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| 
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|     /* put 8x8 block with bicubic interpolation and quarterpel precision
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|      * last argument is actually round value instead of height
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|      */
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|     op_pixels_func put_vc1_mspel_pixels_tab[16];
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|     op_pixels_func avg_vc1_mspel_pixels_tab[16];
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| 
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|     /* This is really one func used in VC-1 decoding */
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|     h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3];
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|     h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3];
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| } VC1DSPContext;
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| 
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| void ff_vc1dsp_init(VC1DSPContext* c);
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| void ff_vc1dsp_init_altivec(VC1DSPContext* c);
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| void ff_vc1dsp_init_mmx(VC1DSPContext* dsp);
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| 
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| #endif /* AVCODEC_VC1DSP_H */
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