PeerStreamer

/*

 * This file is part of FFmpeg.

 *

 * FFmpeg 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.

 *

 * FFmpeg 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 FFmpeg; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 */

#ifndef AVCODEC_INTRAX8_H

#define AVCODEC_INTRAX8_H

#include "get_bits.h"

#include "mpegvideo.h"

typedef struct{

    VLC * j_ac_vlc[4];//they point to the static j_mb_vlc

    VLC * j_orient_vlc;

    VLC * j_dc_vlc[3];

    int use_quant_matrix;

//set by ff_intrax8_common_init

    uint8_t * prediction_table;//2*(mb_w*2)

    ScanTable scantable[3];

//set by the caller codec

    MpegEncContext * s;

    int quant;

    int dquant;

    int qsum;

//calculated per frame

    int quant_dc_chroma;

    int divide_quant_dc_luma;

    int divide_quant_dc_chroma;

//changed per block

    int edges;

    int flat_dc;

    int predicted_dc;

    int raw_orient;

    int chroma_orient;

    int orient;

    int est_run;

} IntraX8Context;

void ff_intrax8_common_init(IntraX8Context * w, MpegEncContext * const s);

void ff_intrax8_common_end(IntraX8Context * w);

int  ff_intrax8_decode_picture(IntraX8Context * w, int quant, int halfpq);

#endif /* AVCODEC_INTRAX8_H */