FFmpeg/libavcodec/wmv2.h

/*
 * Copyright (c) 2002 The Libav Project
 *
 * 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_WMV2_H
#define AVCODEC_WMV2_H

#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "intrax8.h"

#define SKIP_TYPE_NONE 0
#define SKIP_TYPE_MPEG 1
#define SKIP_TYPE_ROW  2
#define SKIP_TYPE_COL  3


typedef struct Wmv2Context{
    MpegEncContext s;
    IntraX8Context x8;
    int j_type_bit;
    int j_type;
    int abt_flag;
    int abt_type;
    int abt_type_table[6];
    int per_mb_abt;
    int per_block_abt;
    int mspel_bit;
    int cbp_table_index;
    int top_left_mv_flag;
    int per_mb_rl_bit;
    int skip_type;
    int hshift;

    ScanTable abt_scantable[2];
    DECLARE_ALIGNED(16, DCTELEM, abt_block2)[6][64];
}Wmv2Context;

void ff_wmv2_common_init(Wmv2Context * w);

#endif /* AVCODEC_WMV2_H */