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			|  |  |  | /* | 
		
	
		
			
			|  |  |  | * copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at> | 
		
	
		
			
			|  |  |  | * | 
		
	
		
			
			|  |  |  | * 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 | 
		
	
		
			
			|  |  |  | */ | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | #ifndef AVCODEC_UNARY_H | 
		
	
		
			
			|  |  |  | #define AVCODEC_UNARY_H | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | #include "get_bits.h" | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | /** | 
		
	
		
			
			|  |  |  | * Get unary code of limited length | 
		
	
		
			
			|  |  |  | * @param gb GetBitContext | 
		
	
		
			
			|  |  |  | * @param[in] stop The bitstop value (unary code of 1's or 0's) | 
		
	
		
			
			|  |  |  | * @param[in] len Maximum length | 
		
	
		
			
			|  |  |  | * @return Unary length/index | 
		
	
		
			
			|  |  |  | */ | 
		
	
		
			
			|  |  |  | static inline int get_unary(GetBitContext *gb, int stop, int len) | 
		
	
		
			
			|  |  |  | { | 
		
	
		
			
			|  |  |  | int i; | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | for(i = 0; i < len && get_bits1(gb) != stop; i++); | 
		
	
		
			
			|  |  |  | return i; | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | /** | 
		
	
		
			
			|  |  |  | * Get unary code terminated by a 0 with a maximum length of 33 | 
		
	
		
			
			|  |  |  | * @param gb GetBitContext | 
		
	
		
			
			|  |  |  | * @return Unary length/index | 
		
	
		
			
			|  |  |  | */ | 
		
	
		
			
			|  |  |  | static inline int get_unary_0_33(GetBitContext *gb) | 
		
	
		
			
			|  |  |  | { | 
		
	
		
			
			|  |  |  | return get_unary(gb, 0, 33); | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | static inline int get_unary_0_9(GetBitContext *gb) | 
		
	
		
			
			|  |  |  | { | 
		
	
		
			
			|  |  |  | return get_unary(gb, 0, 9); | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | #endif /* AVCODEC_UNARY_H */ |