FFmpeg
cfhd.h
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1 /*
2  * Copyright (c) 2015 Kieran Kunhya
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 #ifndef AVCODEC_CFHD_H
22 #define AVCODEC_CFHD_H
23 
24 #include <stdint.h>
25 
26 #include "avcodec.h"
27 #include "bytestream.h"
28 #include "get_bits.h"
29 #include "vlc.h"
30 #include "cfhddsp.h"
31 
32 enum CFHDParam {
41  NumFrames = 11,
45  NumSpatial = 15,
48  FrameType = 19,
49  ImageWidth = 20,
51  FrameIndex = 23,
53  NumLevels = 26,
62  NumBands = 40,
70  BandWidth = 49,
71  BandHeight = 50,
75  BandScale = 54,
76  BandHeader = 55,
81  Precision = 70,
84  PeakLevel = 74,
87  Version = 79,
92  ChannelWidth = 104,
94 };
95 
96 #define VLC_BITS 9
97 #define SUBBAND_COUNT 10
98 #define SUBBAND_COUNT_3D 17
99 
100 typedef struct CFHD_RL_VLC_ELEM {
101  int16_t level;
102  int8_t len;
103  uint16_t run;
105 
106 #define DWT_LEVELS 3
107 #define DWT_LEVELS_3D 6
108 
109 typedef struct SubBand {
110  ptrdiff_t stride;
111  int a_width;
112  int width;
113  int a_height;
114  int height;
115  int8_t read_ok;
116 } SubBand;
117 
118 typedef struct Plane {
119  int width;
120  int height;
121  ptrdiff_t stride;
122 
123  int16_t *idwt_buf;
124  int16_t *idwt_tmp;
126 
127  /* TODO: merge this into SubBand structure */
129  int16_t *l_h[10];
130 
132 } Plane;
133 
134 typedef struct Peak {
135  int level;
136  int offset;
138 } Peak;
139 
140 typedef struct CFHDContext {
142 
145 
148 
149  int lut[2][256];
150 
152 
153  int planes;
163 
164  int a_width;
165  int a_height;
166  int a_format;
168 
169  int bpc; // bits per channel/component
175  uint16_t quantisation;
176 
177  int codebook;
180  int level;
182 
183  uint8_t prescale_table[8];
186 
188 } CFHDContext;
189 
191 
192 #endif /* AVCODEC_CFHD_H */
ChannelNumber
@ ChannelNumber
Definition: cfhd.h:78
ChannelCount
@ ChannelCount
Definition: cfhd.h:42
BandSecondPass
@ BandSecondPass
Definition: cfhd.h:88
LowpassSubband
@ LowpassSubband
Definition: cfhd.h:52
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
CFHDContext::channel_cnt
int channel_cnt
Definition: cfhd.h:170
Precision
@ Precision
Definition: cfhd.h:81
Peak::level
int level
Definition: cfhd.h:135
GroupTrailer
@ GroupTrailer
Definition: cfhd.h:47
CFHDContext::dsp
CFHDDSPContext dsp
Definition: cfhd.h:187
BandHeader
@ BandHeader
Definition: cfhd.h:76
PrescaleTable
@ PrescaleTable
Definition: cfhd.h:89
GetByteContext
Definition: bytestream.h:33
CFHDContext::progressive
int progressive
Definition: cfhd.h:162
BandHeight
@ BandHeight
Definition: cfhd.h:71
CFHDContext::lowpass_precision
uint8_t lowpass_precision
Definition: cfhd.h:174
CFHDContext::table_9_rl_vlc
CFHD_RL_VLC_ELEM table_9_rl_vlc[2088]
Definition: cfhd.h:143
CFHDContext::subband_cnt
int subband_cnt
Definition: cfhd.h:171
WaveletCount
@ WaveletCount
Definition: cfhd.h:43
NumSpatial
@ NumSpatial
Definition: cfhd.h:45
SampleType
int32_t SampleType
Definition: ac3enc.h:64
CFHDDSPContext
Definition: cfhddsp.h:25
SubBand::width
int width
Definition: cfhd.h:112
CFHDContext::a_format
int a_format
Definition: cfhd.h:166
BandScale
@ BandScale
Definition: cfhd.h:75
HighpassWidth
@ HighpassWidth
Definition: cfhd.h:63
WaveletNumber
@ WaveletNumber
Definition: cfhd.h:60
CFHDContext::bpc
int bpc
Definition: cfhd.h:169
FrameNumber
@ FrameNumber
Definition: cfhd.h:80
LowpassWidth
@ LowpassWidth
Definition: cfhd.h:54
ff_cfhd_init_vlcs
int ff_cfhd_init_vlcs(CFHDContext *s)
Definition: cfhddata.c:276
LowpassQuantization
@ LowpassQuantization
Definition: cfhd.h:57
CFHDContext::quantisation
uint16_t quantisation
Definition: cfhd.h:175
CFHDContext::channel_num
int channel_num
Definition: cfhd.h:173
VersionMajor
@ VersionMajor
Definition: cfhd.h:36
CFHDContext::level
int level
Definition: cfhd.h:180
GetBitContext
Definition: get_bits.h:62
LowpassDivisor
@ LowpassDivisor
Definition: cfhd.h:68
WaveletLevel
@ WaveletLevel
Definition: cfhd.h:61
FirstWavelet
@ FirstWavelet
Definition: cfhd.h:46
LowpassPrecision
@ LowpassPrecision
Definition: cfhd.h:58
Quantization
@ Quantization
Definition: cfhd.h:74
Plane::idwt_tmp
int16_t * idwt_tmp
Definition: cfhd.h:124
BandEncoding
@ BandEncoding
Definition: cfhd.h:73
WaveletType
@ WaveletType
Definition: cfhd.h:59
SubbandNumber
@ SubbandNumber
Definition: cfhd.h:69
NumFrames
@ NumFrames
Definition: cfhd.h:41
Plane::idwt_size
int idwt_size
Definition: cfhd.h:125
CFHDContext::peak
Peak peak
Definition: cfhd.h:185
Version
@ Version
Definition: cfhd.h:87
s
#define s(width, name)
Definition: cbs_vp9.c:257
TransformType
TransformType
Definition: webp.c:110
CFHDContext::codebook
int codebook
Definition: cfhd.h:177
LowpassScale
@ LowpassScale
Definition: cfhd.h:67
PeakOffsetHigh
@ PeakOffsetHigh
Definition: cfhd.h:86
VersionMinor
@ VersionMinor
Definition: cfhd.h:37
get_bits.h
DisplayHeight
@ DisplayHeight
Definition: cfhd.h:91
CFHDContext::band_encoding
int band_encoding
Definition: cfhd.h:172
CFHDContext::subband_num
int subband_num
Definition: cfhd.h:179
FrameType
FrameType
G723.1 frame types.
Definition: g723_1.h:63
Plane::subband
int16_t * subband[SUBBAND_COUNT_3D]
Definition: cfhd.h:128
FrameIndex
@ FrameIndex
Definition: cfhd.h:51
InputFormat
@ InputFormat
Definition: cfhd.h:82
CFHDContext::planes
int planes
Definition: cfhd.h:153
Peak
Definition: cfhd.h:134
CFHD_RL_VLC_ELEM
Definition: cfhd.h:100
HighpassHeight
@ HighpassHeight
Definition: cfhd.h:64
CFHDContext::avctx
AVCodecContext * avctx
Definition: cfhd.h:141
Peak::base
GetByteContext base
Definition: cfhd.h:137
VersionRevision
@ VersionRevision
Definition: cfhd.h:38
SubBand::stride
ptrdiff_t stride
Definition: cfhd.h:110
Plane::height
int height
Definition: cfhd.h:120
CFHDContext::frame_index
int frame_index
Definition: cfhd.h:155
BitstreamMarker
@ BitstreamMarker
Definition: cfhd.h:35
CFHD_RL_VLC_ELEM::level
int16_t level
Definition: cfhd.h:101
CFHDContext::gb
GetBitContext gb
Definition: cfhd.h:151
SubBand
Definition: cfhd.h:109
CFHDContext::a_width
int a_width
Definition: cfhd.h:164
Plane::width
int width
Definition: cfhd.h:119
CFHDContext::coded_height
int coded_height
Definition: cfhd.h:159
CFHDContext::prescale_table
uint8_t prescale_table[8]
Definition: cfhd.h:183
CFHDContext::difference_coding
int difference_coding
Definition: cfhd.h:178
NumBands
@ NumBands
Definition: cfhd.h:62
Plane::l_h
int16_t * l_h[10]
Definition: cfhd.h:129
VersionEdit
@ VersionEdit
Definition: cfhd.h:39
Plane::stride
ptrdiff_t stride
Definition: cfhd.h:121
CFHDContext::coded_format
enum AVPixelFormat coded_format
Definition: cfhd.h:161
CFHDContext::transform_type
int transform_type
Definition: cfhd.h:157
SubbandCount
@ SubbandCount
Definition: cfhd.h:44
CFHDContext::plane
Plane plane[4]
Definition: cfhd.h:184
CFHDContext
Definition: cfhd.h:140
LowpassBorder
@ LowpassBorder
Definition: cfhd.h:65
cfhddsp.h
SubbandBand
@ SubbandBand
Definition: cfhd.h:72
SubBand::read_ok
int8_t read_ok
Definition: cfhd.h:115
CFHDContext::vlc_9
VLC vlc_9
Definition: cfhd.h:144
CFHDContext::cropped_height
int cropped_height
Definition: cfhd.h:160
SUBBAND_COUNT_3D
#define SUBBAND_COUNT_3D
Definition: cfhd.h:98
ImageWidth
@ ImageWidth
Definition: cfhd.h:49
avcodec.h
ChannelHeight
@ ChannelHeight
Definition: cfhd.h:93
CFHDContext::sample_type
int sample_type
Definition: cfhd.h:156
CFHDContext::coded_width
int coded_width
Definition: cfhd.h:158
CFHDContext::vlc_18
VLC vlc_18
Definition: cfhd.h:147
PeakLevel
@ PeakLevel
Definition: cfhd.h:84
BandCodingFlags
@ BandCodingFlags
Definition: cfhd.h:83
EncodedFormat
@ EncodedFormat
Definition: cfhd.h:90
AVCodecContext
main external API structure.
Definition: avcodec.h:379
VLC
Definition: vlc.h:26
CFHDContext::a_transform_type
int a_transform_type
Definition: cfhd.h:167
CFHDParam
CFHDParam
Definition: cfhd.h:32
CFHDContext::lut
int lut[2][256]
Definition: cfhd.h:149
ImageHeight
@ ImageHeight
Definition: cfhd.h:50
BandTrailer
@ BandTrailer
Definition: cfhd.h:77
Plane
Definition: cfhd.h:118
BandWidth
@ BandWidth
Definition: cfhd.h:70
ChannelWidth
@ ChannelWidth
Definition: cfhd.h:92
SampleFlags
@ SampleFlags
Definition: cfhd.h:79
Plane::idwt_buf
int16_t * idwt_buf
Definition: cfhd.h:123
DWT_LEVELS_3D
#define DWT_LEVELS_3D
Definition: cfhd.h:107
Plane::band
SubBand band[DWT_LEVELS_3D][4]
Definition: cfhd.h:131
CFHDContext::frame_type
int frame_type
Definition: cfhd.h:154
NumLevels
@ NumLevels
Definition: cfhd.h:53
LowpassHeight
@ LowpassHeight
Definition: cfhd.h:55
HighpassBorder
@ HighpassBorder
Definition: cfhd.h:66
CFHDContext::subband_num_actual
int subband_num_actual
Definition: cfhd.h:181
vlc.h
bytestream.h
CFHD_RL_VLC_ELEM::run
uint16_t run
Definition: cfhd.h:103
CFHDContext::table_18_rl_vlc
CFHD_RL_VLC_ELEM table_18_rl_vlc[4572]
Definition: cfhd.h:146
SampleIndexTable
@ SampleIndexTable
Definition: cfhd.h:34
Peak::offset
int offset
Definition: cfhd.h:136
SubBand::a_height
int a_height
Definition: cfhd.h:113
SubBand::a_width
int a_width
Definition: cfhd.h:111
PeakOffsetLow
@ PeakOffsetLow
Definition: cfhd.h:85
CFHDContext::a_height
int a_height
Definition: cfhd.h:165
SubBand::height
int height
Definition: cfhd.h:114
PixelOffset
@ PixelOffset
Definition: cfhd.h:56
CFHD_RL_VLC_ELEM::len
int8_t len
Definition: cfhd.h:102