FFmpeg
utvideo.h
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1 /*
2  * Common Ut Video header
3  * Copyright (c) 2011 Konstantin Shishkov
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #ifndef AVCODEC_UTVIDEO_H
23 #define AVCODEC_UTVIDEO_H
24 
25 /**
26  * @file
27  * Common Ut Video header
28  */
29 
30 #include "libavutil/common.h"
31 #include "avcodec.h"
32 #include "bswapdsp.h"
33 #include "utvideodsp.h"
34 #include "lossless_videodsp.h"
35 #include "lossless_videoencdsp.h"
36 
37 enum {
38  PRED_NONE = 0,
42 };
43 
44 enum {
45  COMP_NONE = 0,
47 };
48 
49 /*
50  * "Original format" markers.
51  * Based on values gotten from the official VFW encoder.
52  * They are not used during decoding, but they do have
53  * an informative role on seeing what was input
54  * to the encoder.
55  */
56 enum {
57  UTVIDEO_RGB = MKTAG(0x00, 0x00, 0x01, 0x18),
58  UTVIDEO_RGBA = MKTAG(0x00, 0x00, 0x02, 0x18),
59  UTVIDEO_420 = MKTAG('Y', 'V', '1', '2'),
60  UTVIDEO_422 = MKTAG('Y', 'U', 'Y', '2'),
61  UTVIDEO_444 = MKTAG('Y', 'V', '2', '4'),
62 };
63 
64 typedef struct UtvideoContext {
65  const AVClass *class;
71 
73  int planes;
74  int slices;
78  int pro;
79  int pack;
80 
81  ptrdiff_t slice_stride;
82  uint8_t *slice_bits, *slice_buffer[4];
84 
85  const uint8_t *packed_stream[4][256];
86  size_t packed_stream_size[4][256];
87  const uint8_t *control_stream[4][256];
88  size_t control_stream_size[4][256];
90 
91 #endif /* AVCODEC_UTVIDEO_H */
UTVideoDSPContext
Definition: utvideodsp.h:27
bswapdsp.h
UTVIDEO_422
@ UTVIDEO_422
Definition: utvideo.h:60
PRED_GRADIENT
@ PRED_GRADIENT
Definition: utvideo.h:40
MKTAG
#define MKTAG(a, b, c, d)
Definition: common.h:478
UtvideoContext::llviddsp
LLVidDSPContext llviddsp
Definition: utvideo.h:69
UtvideoContext::offset
uint32_t offset
Definition: utvideo.h:72
UtvideoContext::slices
int slices
Definition: utvideo.h:74
UTVIDEO_RGBA
@ UTVIDEO_RGBA
Definition: utvideo.h:58
UTVIDEO_420
@ UTVIDEO_420
Definition: utvideo.h:59
LLVidDSPContext
Definition: lossless_videodsp.h:31
PRED_LEFT
@ PRED_LEFT
Definition: utvideo.h:39
COMP_HUFF
@ COMP_HUFF
Definition: utvideo.h:46
UtvideoContext::interlaced
int interlaced
Definition: utvideo.h:76
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:67
UtvideoContext::control_stream
const uint8_t * control_stream[4][256]
Definition: utvideo.h:87
UtvideoContext::frame_pred
int frame_pred
Definition: utvideo.h:77
UTVIDEO_RGB
@ UTVIDEO_RGB
Definition: utvideo.h:57
UtvideoContext::frame_info
uint32_t frame_info
Definition: utvideo.h:72
UtvideoContext::slice_stride
ptrdiff_t slice_stride
Definition: utvideo.h:81
UtvideoContext::packed_stream
const uint8_t * packed_stream[4][256]
Definition: utvideo.h:85
lossless_videoencdsp.h
UTVIDEO_444
@ UTVIDEO_444
Definition: utvideo.h:61
common.h
UtvideoContext
Definition: utvideo.h:64
LLVidEncDSPContext
Definition: lossless_videoencdsp.h:26
UtvideoContext::pack
int pack
Definition: utvideo.h:79
PRED_NONE
@ PRED_NONE
Definition: utvideo.h:38
avcodec.h
UtvideoContext::llvidencdsp
LLVidEncDSPContext llvidencdsp
Definition: utvideo.h:70
UtvideoContext::frame_info_size
uint32_t frame_info_size
Definition: utvideo.h:72
COMP_NONE
@ COMP_NONE
Definition: utvideo.h:45
UtvideoContext::slice_buffer
uint8_t * slice_buffer[4]
Definition: utvideo.h:82
AVCodecContext
main external API structure.
Definition: avcodec.h:501
UtvideoContext::compression
int compression
Definition: utvideo.h:75
UtvideoContext::flags
uint32_t flags
Definition: utvideo.h:72
UtvideoContext::slice_bits
uint8_t * slice_bits
Definition: utvideo.h:82
PRED_MEDIAN
@ PRED_MEDIAN
Definition: utvideo.h:41
lossless_videodsp.h
UtvideoContext::slice_bits_size
int slice_bits_size
Definition: utvideo.h:83
utvideodsp.h
UtvideoContext::bdsp
BswapDSPContext bdsp
Definition: utvideo.h:68
UtvideoContext::pro
int pro
Definition: utvideo.h:78
BswapDSPContext
Definition: bswapdsp.h:24
UtvideoContext::avctx
AVCodecContext * avctx
Definition: utvideo.h:66
UtvideoContext::packed_stream_size
size_t packed_stream_size[4][256]
Definition: utvideo.h:86
UtvideoContext::control_stream_size
size_t control_stream_size[4][256]
Definition: utvideo.h:88
UtvideoContext::utdsp
UTVideoDSPContext utdsp
Definition: utvideo.h:67
UtvideoContext::planes
int planes
Definition: utvideo.h:73