yading@10: /*
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #ifndef AVCODEC_INTRAX8_H
yading@10: #define AVCODEC_INTRAX8_H
yading@10: 
yading@10: #include "get_bits.h"
yading@10: #include "mpegvideo.h"
yading@10: #include "intrax8dsp.h"
yading@10: 
yading@10: typedef struct IntraX8Context {
yading@10:     VLC * j_ac_vlc[4];//they point to the static j_mb_vlc
yading@10:     VLC * j_orient_vlc;
yading@10:     VLC * j_dc_vlc[3];
yading@10: 
yading@10:     int use_quant_matrix;
yading@10: //set by ff_intrax8_common_init
yading@10:     uint8_t * prediction_table;//2*(mb_w*2)
yading@10:     ScanTable scantable[3];
yading@10: //set by the caller codec
yading@10:     MpegEncContext * s;
yading@10:     IntraX8DSPContext dsp;
yading@10:     int quant;
yading@10:     int dquant;
yading@10:     int qsum;
yading@10: //calculated per frame
yading@10:     int quant_dc_chroma;
yading@10:     int divide_quant_dc_luma;
yading@10:     int divide_quant_dc_chroma;
yading@10: //changed per block
yading@10:     int edges;
yading@10:     int flat_dc;
yading@10:     int predicted_dc;
yading@10:     int raw_orient;
yading@10:     int chroma_orient;
yading@10:     int orient;
yading@10:     int est_run;
yading@10: } IntraX8Context;
yading@10: 
yading@10: void ff_intrax8_common_init(IntraX8Context * w, MpegEncContext * const s);
yading@10: void ff_intrax8_common_end(IntraX8Context * w);
yading@10: int  ff_intrax8_decode_picture(IntraX8Context * w, int quant, int halfpq);
yading@10: 
yading@10: #endif /* AVCODEC_INTRAX8_H */