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 "cfhddsp.h"
30 
31 enum CFHDParam {
40  NumFrames = 11,
44  NumSpatial = 15,
47  FrameType = 19,
48  ImageWidth = 20,
50  FrameIndex = 23,
52  NumLevels = 26,
61  NumBands = 40,
69  BandWidth = 49,
70  BandHeight = 50,
74  BandScale = 54,
75  BandHeader = 55,
80  Precision = 70,
83  PeakLevel = 74,
86  Version = 79,
91  ChannelWidth = 104,
93 };
94 
95 #define VLC_BITS 9
96 #define SUBBAND_COUNT 10
97 #define SUBBAND_COUNT_3D 17
98 
99 typedef struct CFHD_RL_VLC_ELEM {
100  int16_t level;
101  int8_t len;
102  uint16_t run;
104 
105 #define DWT_LEVELS 3
106 #define DWT_LEVELS_3D 6
107 
108 typedef struct SubBand {
109  ptrdiff_t stride;
110  int a_width;
111  int width;
112  int a_height;
113  int height;
114  int8_t read_ok;
115 } SubBand;
116 
117 typedef struct Plane {
118  int width;
119  int height;
120  ptrdiff_t stride;
121 
122  int16_t *idwt_buf;
123  int16_t *idwt_tmp;
125 
126  /* TODO: merge this into SubBand structure */
128  int16_t *l_h[10];
129 
131 } Plane;
132 
133 typedef struct Peak {
134  int level;
135  int offset;
137 } Peak;
138 
139 typedef struct CFHDContext {
141 
144 
145  int lut[2][256];
146 
148 
149  int planes;
159 
160  int a_width;
161  int a_height;
162  int a_format;
164 
165  int bpc; // bits per channel/component
171  uint16_t quantisation;
172 
173  int codebook;
176  int level;
178 
179  uint8_t prescale_table[8];
182 
184 } CFHDContext;
185 
187 
188 #endif /* AVCODEC_CFHD_H */
ChannelNumber
@ ChannelNumber
Definition: cfhd.h:77
ChannelCount
@ ChannelCount
Definition: cfhd.h:41
BandSecondPass
@ BandSecondPass
Definition: cfhd.h:87
LowpassSubband
@ LowpassSubband
Definition: cfhd.h:51
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
CFHDContext::channel_cnt
int channel_cnt
Definition: cfhd.h:166
Precision
@ Precision
Definition: cfhd.h:80
Peak::level
int level
Definition: cfhd.h:134
GroupTrailer
@ GroupTrailer
Definition: cfhd.h:46
CFHDContext::dsp
CFHDDSPContext dsp
Definition: cfhd.h:183
BandHeader
@ BandHeader
Definition: cfhd.h:75
PrescaleTable
@ PrescaleTable
Definition: cfhd.h:88
GetByteContext
Definition: bytestream.h:33
CFHDContext::progressive
int progressive
Definition: cfhd.h:158
BandHeight
@ BandHeight
Definition: cfhd.h:70
CFHDContext::lowpass_precision
uint8_t lowpass_precision
Definition: cfhd.h:170
CFHDContext::table_9_rl_vlc
CFHD_RL_VLC_ELEM table_9_rl_vlc[2088]
Definition: cfhd.h:142
CFHDContext::subband_cnt
int subband_cnt
Definition: cfhd.h:167
WaveletCount
@ WaveletCount
Definition: cfhd.h:42
NumSpatial
@ NumSpatial
Definition: cfhd.h:44
SampleType
int32_t SampleType
Definition: ac3enc.h:66
CFHDDSPContext
Definition: cfhddsp.h:25
SubBand::width
int width
Definition: cfhd.h:111
CFHDContext::a_format
int a_format
Definition: cfhd.h:162
BandScale
@ BandScale
Definition: cfhd.h:74
HighpassWidth
@ HighpassWidth
Definition: cfhd.h:62
WaveletNumber
@ WaveletNumber
Definition: cfhd.h:59
CFHDContext::bpc
int bpc
Definition: cfhd.h:165
FrameNumber
@ FrameNumber
Definition: cfhd.h:79
LowpassWidth
@ LowpassWidth
Definition: cfhd.h:53
ff_cfhd_init_vlcs
int ff_cfhd_init_vlcs(CFHDContext *s)
Definition: cfhddata.c:181
LowpassQuantization
@ LowpassQuantization
Definition: cfhd.h:56
CFHDContext::quantisation
uint16_t quantisation
Definition: cfhd.h:171
CFHDContext::channel_num
int channel_num
Definition: cfhd.h:169
VersionMajor
@ VersionMajor
Definition: cfhd.h:35
CFHDContext::level
int level
Definition: cfhd.h:176
GetBitContext
Definition: get_bits.h:61
LowpassDivisor
@ LowpassDivisor
Definition: cfhd.h:67
WaveletLevel
@ WaveletLevel
Definition: cfhd.h:60
FirstWavelet
@ FirstWavelet
Definition: cfhd.h:45
LowpassPrecision
@ LowpassPrecision
Definition: cfhd.h:57
Quantization
@ Quantization
Definition: cfhd.h:73
Plane::idwt_tmp
int16_t * idwt_tmp
Definition: cfhd.h:123
BandEncoding
@ BandEncoding
Definition: cfhd.h:72
WaveletType
@ WaveletType
Definition: cfhd.h:58
SubbandNumber
@ SubbandNumber
Definition: cfhd.h:68
NumFrames
@ NumFrames
Definition: cfhd.h:40
Plane::idwt_size
int idwt_size
Definition: cfhd.h:124
CFHDContext::peak
Peak peak
Definition: cfhd.h:181
Version
@ Version
Definition: cfhd.h:86
s
#define s(width, name)
Definition: cbs_vp9.c:256
TransformType
TransformType
Definition: webp.c:112
CFHDContext::codebook
int codebook
Definition: cfhd.h:173
LowpassScale
@ LowpassScale
Definition: cfhd.h:66
PeakOffsetHigh
@ PeakOffsetHigh
Definition: cfhd.h:85
VersionMinor
@ VersionMinor
Definition: cfhd.h:36
get_bits.h
DisplayHeight
@ DisplayHeight
Definition: cfhd.h:90
CFHDContext::band_encoding
int band_encoding
Definition: cfhd.h:168
CFHDContext::subband_num
int subband_num
Definition: cfhd.h:175
FrameType
FrameType
G723.1 frame types.
Definition: g723_1.h:63
Plane::subband
int16_t * subband[SUBBAND_COUNT_3D]
Definition: cfhd.h:127
FrameIndex
@ FrameIndex
Definition: cfhd.h:50
InputFormat
@ InputFormat
Definition: cfhd.h:81
CFHDContext::planes
int planes
Definition: cfhd.h:149
Peak
Definition: cfhd.h:133
CFHD_RL_VLC_ELEM
Definition: cfhd.h:99
HighpassHeight
@ HighpassHeight
Definition: cfhd.h:63
CFHDContext::avctx
AVCodecContext * avctx
Definition: cfhd.h:140
Peak::base
GetByteContext base
Definition: cfhd.h:136
VersionRevision
@ VersionRevision
Definition: cfhd.h:37
SubBand::stride
ptrdiff_t stride
Definition: cfhd.h:109
Plane::height
int height
Definition: cfhd.h:119
CFHDContext::frame_index
int frame_index
Definition: cfhd.h:151
BitstreamMarker
@ BitstreamMarker
Definition: cfhd.h:34
CFHD_RL_VLC_ELEM::level
int16_t level
Definition: cfhd.h:100
CFHDContext::gb
GetBitContext gb
Definition: cfhd.h:147
SubBand
Definition: cfhd.h:108
CFHDContext::a_width
int a_width
Definition: cfhd.h:160
Plane::width
int width
Definition: cfhd.h:118
CFHDContext::coded_height
int coded_height
Definition: cfhd.h:155
CFHDContext::prescale_table
uint8_t prescale_table[8]
Definition: cfhd.h:179
CFHDContext::difference_coding
int difference_coding
Definition: cfhd.h:174
NumBands
@ NumBands
Definition: cfhd.h:61
Plane::l_h
int16_t * l_h[10]
Definition: cfhd.h:128
VersionEdit
@ VersionEdit
Definition: cfhd.h:38
Plane::stride
ptrdiff_t stride
Definition: cfhd.h:120
CFHDContext::coded_format
enum AVPixelFormat coded_format
Definition: cfhd.h:157
CFHDContext::transform_type
int transform_type
Definition: cfhd.h:153
SubbandCount
@ SubbandCount
Definition: cfhd.h:43
CFHDContext::plane
Plane plane[4]
Definition: cfhd.h:180
CFHDContext
Definition: cfhd.h:139
LowpassBorder
@ LowpassBorder
Definition: cfhd.h:64
cfhddsp.h
SubbandBand
@ SubbandBand
Definition: cfhd.h:71
SubBand::read_ok
int8_t read_ok
Definition: cfhd.h:114
CFHDContext::cropped_height
int cropped_height
Definition: cfhd.h:156
SUBBAND_COUNT_3D
#define SUBBAND_COUNT_3D
Definition: cfhd.h:97
ImageWidth
@ ImageWidth
Definition: cfhd.h:48
avcodec.h
ChannelHeight
@ ChannelHeight
Definition: cfhd.h:92
CFHDContext::sample_type
int sample_type
Definition: cfhd.h:152
CFHDContext::coded_width
int coded_width
Definition: cfhd.h:154
PeakLevel
@ PeakLevel
Definition: cfhd.h:83
BandCodingFlags
@ BandCodingFlags
Definition: cfhd.h:82
EncodedFormat
@ EncodedFormat
Definition: cfhd.h:89
AVCodecContext
main external API structure.
Definition: avcodec.h:398
CFHDContext::a_transform_type
int a_transform_type
Definition: cfhd.h:163
CFHDParam
CFHDParam
Definition: cfhd.h:31
CFHDContext::lut
int lut[2][256]
Definition: cfhd.h:145
ImageHeight
@ ImageHeight
Definition: cfhd.h:49
BandTrailer
@ BandTrailer
Definition: cfhd.h:76
Plane
Definition: cfhd.h:117
BandWidth
@ BandWidth
Definition: cfhd.h:69
ChannelWidth
@ ChannelWidth
Definition: cfhd.h:91
SampleFlags
@ SampleFlags
Definition: cfhd.h:78
Plane::idwt_buf
int16_t * idwt_buf
Definition: cfhd.h:122
DWT_LEVELS_3D
#define DWT_LEVELS_3D
Definition: cfhd.h:106
Plane::band
SubBand band[DWT_LEVELS_3D][4]
Definition: cfhd.h:130
CFHDContext::frame_type
int frame_type
Definition: cfhd.h:150
NumLevels
@ NumLevels
Definition: cfhd.h:52
LowpassHeight
@ LowpassHeight
Definition: cfhd.h:54
HighpassBorder
@ HighpassBorder
Definition: cfhd.h:65
CFHDContext::subband_num_actual
int subband_num_actual
Definition: cfhd.h:177
bytestream.h
CFHD_RL_VLC_ELEM::run
uint16_t run
Definition: cfhd.h:102
CFHDContext::table_18_rl_vlc
CFHD_RL_VLC_ELEM table_18_rl_vlc[4572]
Definition: cfhd.h:143
SampleIndexTable
@ SampleIndexTable
Definition: cfhd.h:33
Peak::offset
int offset
Definition: cfhd.h:135
SubBand::a_height
int a_height
Definition: cfhd.h:112
SubBand::a_width
int a_width
Definition: cfhd.h:110
PeakOffsetLow
@ PeakOffsetLow
Definition: cfhd.h:84
CFHDContext::a_height
int a_height
Definition: cfhd.h:161
SubBand::height
int height
Definition: cfhd.h:113
PixelOffset
@ PixelOffset
Definition: cfhd.h:55
CFHD_RL_VLC_ELEM::len
int8_t len
Definition: cfhd.h:101