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libavcodec/unary.h

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00001 /*
00002  * copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
00003  *
00004  * This file is part of FFmpeg.
00005  *
00006  * FFmpeg is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * FFmpeg is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with FFmpeg; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00019  */
00020 
00021 #ifndef AVCODEC_UNARY_H
00022 #define AVCODEC_UNARY_H
00023 
00024 #include "get_bits.h"
00025 
00033 static inline int get_unary(GetBitContext *gb, int stop, int len)
00034 {
00035     int i;
00036 
00037     for(i = 0; i < len && get_bits1(gb) != stop; i++);
00038     return i;
00039 }
00040 
00046 static inline int get_unary_0_33(GetBitContext *gb)
00047 {
00048     return get_unary(gb, 0, 33);
00049 }
00050 
00051 static inline int get_unary_0_9(GetBitContext *gb)
00052 {
00053     return get_unary(gb, 0, 9);
00054 }
00055 
00056 #endif /* AVCODEC_UNARY_H */

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