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libavcodec/wmv2.h

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00001 /*
00002  * Copyright (c) 2002 The FFmpeg Project
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_WMV2_H
00022 #define AVCODEC_WMV2_H
00023 
00024 #include "avcodec.h"
00025 #include "dsputil.h"
00026 #include "mpegvideo.h"
00027 #include "intrax8.h"
00028 
00029 #define SKIP_TYPE_NONE 0
00030 #define SKIP_TYPE_MPEG 1
00031 #define SKIP_TYPE_ROW  2
00032 #define SKIP_TYPE_COL  3
00033 
00034 
00035 typedef struct Wmv2Context{
00036     MpegEncContext s;
00037     IntraX8Context x8;
00038     int j_type_bit;
00039     int j_type;
00040     int abt_flag;
00041     int abt_type;
00042     int abt_type_table[6];
00043     int per_mb_abt;
00044     int per_block_abt;
00045     int mspel_bit;
00046     int cbp_table_index;
00047     int top_left_mv_flag;
00048     int per_mb_rl_bit;
00049     int skip_type;
00050     int hshift;
00051 
00052     ScanTable abt_scantable[2];
00053     DECLARE_ALIGNED(16, DCTELEM, abt_block2)[6][64];
00054 }Wmv2Context;
00055 
00056 void ff_wmv2_common_init(Wmv2Context * w);
00057 
00058 #endif /* AVCODEC_WMV2_H */

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