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libavcodec/h261.h

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00001 /*
00002  * H261 decoder
00003  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
00004  * Copyright (c) 2004 Maarten Daniels
00005  *
00006  * This file is part of FFmpeg.
00007  *
00008  * FFmpeg is free software; you can redistribute it and/or
00009  * modify it under the terms of the GNU Lesser General Public
00010  * License as published by the Free Software Foundation; either
00011  * version 2.1 of the License, or (at your option) any later version.
00012  *
00013  * FFmpeg is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016  * Lesser General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU Lesser General Public
00019  * License along with FFmpeg; if not, write to the Free Software
00020  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00021  */
00022 
00028 #ifndef AVCODEC_H261_H
00029 #define AVCODEC_H261_H
00030 
00031 #include "mpegvideo.h"
00032 
00036 typedef struct H261Context{
00037     MpegEncContext s;
00038 
00039     int current_mba;
00040     int previous_mba;
00041     int mba_diff;
00042     int mtype;
00043     int current_mv_x;
00044     int current_mv_y;
00045     int gob_number;
00046     int gob_start_code_skipped; // 1 if gob start code is already read before gob header is read
00047 }H261Context;
00048 
00049 #define MB_TYPE_H261_FIL 0x800000
00050 
00051 #endif /* AVCODEC_H261_H */

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