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intrax8.h
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #ifndef AVCODEC_INTRAX8_H
20 #define AVCODEC_INTRAX8_H
21 
22 #include "get_bits.h"
23 #include "mpegvideo.h"
24 #include "intrax8dsp.h"
25 #include "wmv2dsp.h"
26 
27 typedef struct IntraX8Context {
28  VLC * j_ac_vlc[4];//they point to the static j_mb_vlc
30  VLC * j_dc_vlc[3];
31 
33 //set by ff_intrax8_common_init
34  uint8_t * prediction_table;//2*(mb_w*2)
38 //set by the caller codec
41  int quant;
42  int dquant;
43  int qsum;
44 //calculated per frame
48 //changed per block
49  int edges;
50  int flat_dc;
54  int orient;
55  int est_run;
57 
60 int ff_intrax8_decode_picture(IntraX8Context * w, int quant, int halfpq);
61 
62 #endif /* AVCODEC_INTRAX8_H */
const char * s
Definition: avisynth_c.h:631
int predicted_dc
Definition: intrax8.h:51
WMV2DSPContext wdsp
Definition: intrax8.h:36
Scantable.
Definition: idctdsp.h:29
mpegvideo header.
uint8_t
int chroma_orient
Definition: intrax8.h:53
bitstream reader API header.
int ff_intrax8_decode_picture(IntraX8Context *w, int quant, int halfpq)
Decode single IntraX8 frame.
Definition: intrax8.c:730
MpegEncContext * s
Definition: intrax8.h:39
void ff_intrax8_common_end(IntraX8Context *w)
Destroy IntraX8 frame structure.
Definition: intrax8.c:714
Definition: get_bits.h:63
VLC * j_ac_vlc[4]
Definition: intrax8.h:28
void ff_intrax8_common_init(IntraX8Context *w, MpegEncContext *const s)
Initialize IntraX8 frame decoder.
Definition: intrax8.c:692
IntraX8DSPContext dsp
Definition: intrax8.h:40
int quant_dc_chroma
Definition: intrax8.h:45
uint8_t idct_permutation[64]
Definition: intrax8.h:37
ScanTable scantable[3]
Definition: intrax8.h:35
const uint8_t * quant
MpegEncContext.
Definition: mpegvideo.h:150
int divide_quant_dc_luma
Definition: intrax8.h:46
VLC * j_dc_vlc[3]
Definition: intrax8.h:30
int raw_orient
Definition: intrax8.h:52
int divide_quant_dc_chroma
Definition: intrax8.h:47
VLC * j_orient_vlc
Definition: intrax8.h:29
int use_quant_matrix
Definition: intrax8.h:32
uint8_t * prediction_table
Definition: intrax8.h:34