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asv.h
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1 /*
2  * Copyright (c) 2003 Michael Niedermayer
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 /**
22  * @file
23  * ASUS V1/V2 encoder/decoder common data.
24  */
25 
26 #ifndef AVCODEC_ASV_H
27 #define AVCODEC_ASV_H
28 
29 #include <stdint.h>
30 
31 #include "libavutil/mem.h"
32 
33 #include "avcodec.h"
34 #include "blockdsp.h"
35 #include "bswapdsp.h"
36 #include "fdctdsp.h"
37 #include "idctdsp.h"
38 #include "get_bits.h"
39 #include "pixblockdsp.h"
40 #include "put_bits.h"
41 
42 typedef struct ASV1Context {
53  int mb_width;
54  int mb_height;
55  int mb_width2;
57  DECLARE_ALIGNED(16, int16_t, block)[6][64];
58  uint16_t intra_matrix[64];
59  int q_intra_matrix[64];
61  unsigned int bitstream_buffer_size;
62 } ASV1Context;
63 
64 extern const uint8_t ff_asv_scantab[64];
65 extern const uint8_t ff_asv_ccp_tab[17][2];
66 extern const uint8_t ff_asv_level_tab[7][2];
67 extern const uint8_t ff_asv_dc_ccp_tab[8][2];
68 extern const uint8_t ff_asv_ac_ccp_tab[16][2];
69 extern const uint8_t ff_asv2_level_tab[63][2];
70 
72 
73 #endif /* AVCODEC_ASV_H */
Memory handling functions.
int16_t block[6][64]
Definition: asv.h:57
Scantable.
Definition: idctdsp.h:29
AVCodecContext * avctx
Definition: asv.h:43
IDCTDSPContext idsp
Definition: asv.h:47
unsigned int bitstream_buffer_size
Definition: asv.h:61
PixblockDSPContext pdsp
Definition: asv.h:48
uint8_t
uint8_t * bitstream_buffer
Definition: asv.h:60
#define DECLARE_ALIGNED(n, t, v)
Declare a variable that is aligned in memory.
Definition: mem.h:101
bitstream reader API header.
int mb_height2
Definition: asv.h:56
BswapDSPContext bbdsp
Definition: asv.h:45
uint16_t intra_matrix[64]
Definition: asv.h:58
ScanTable scantable
Definition: asv.h:51
GetBitContext gb
Definition: asv.h:50
const uint8_t ff_asv_scantab[64]
Definition: asv.c:32
const uint8_t ff_asv_dc_ccp_tab[8][2]
Definition: asv.c:55
const uint8_t ff_asv_level_tab[7][2]
Definition: asv.c:51
int mb_width
Definition: asv.h:53
Libavcodec external API header.
const uint8_t ff_asv_ac_ccp_tab[16][2]
Definition: asv.c:60
const uint8_t ff_asv2_level_tab[63][2]
Definition: asv.c:67
void ff_asv_common_init(AVCodecContext *avctx)
Definition: asv.c:83
main external API structure.
Definition: avcodec.h:1675
PutBitContext pb
Definition: asv.h:49
int q_intra_matrix[64]
Definition: asv.h:59
FDCTDSPContext fdsp
Definition: asv.h:46
const uint8_t ff_asv_ccp_tab[17][2]
Definition: asv.c:43
int mb_width2
Definition: asv.h:55
int inv_qscale
Definition: asv.h:52
int mb_height
Definition: asv.h:54
BlockDSPContext bdsp
Definition: asv.h:44
bitstream writer API