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- /*
- * 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 */
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