Grok  10.0.3
mct.h
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1 /*
2  * Copyright (C) 2016-2022 Grok Image Compression Inc.
3  *
4  * This source code is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU Affero General Public License, version 3,
6  * as published by the Free Software Foundation.
7  *
8  * This source code is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU Affero General Public License for more details.
12  *
13  * You should have received a copy of the GNU Affero General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  *
17  * This source code incorporates work covered by the BSD 2-clause license.
18  * Please see the LICENSE file in the root directory for details.
19  *
20  */
21 
22 #pragma once
23 #include <vector>
24 
25 namespace grk
26 {
27 struct ShiftInfo
28 {
29  ShiftInfo(int32_t mn, int32_t mx, int32_t shift) : _min(mn), _max(mx), _shift(shift) {}
30  ShiftInfo() : ShiftInfo(0, 0, 0) {}
31  int32_t _min;
32  int32_t _max;
33  int32_t _shift;
34 };
35 
37 {
38  ScheduleInfo(Tile* t, FlowComponent* flow, StripCache* stripCache, uint32_t linesPerTask)
39  : tile(t), compno(0), flow_(flow), linesPerTask_(linesPerTask), stripCache_(stripCache),
40  yBegin(0), yEnd(0)
41  {}
43  uint16_t compno;
44  std::vector<ShiftInfo> shiftInfo;
46  uint32_t linesPerTask_;
48  uint32_t yBegin;
49  uint32_t yEnd;
50 };
51 
52 class mct
53 {
54  public:
55  mct(Tile* tile, GrkImage* image, TileCodingParams* tcp, StripCache* stripCache);
56 
65 
74 
78  void decompress_dc_shift_rev(FlowComponent* flow, uint16_t compno);
79 
83  void decompress_dc_shift_irrev(FlowComponent* flow, uint16_t compno);
84 
88  static const double* get_norms_rev(void);
89 
93  static const double* get_norms_irrev(void);
94 
104  static bool compress_custom(uint8_t* p_coding_data, uint64_t n, uint8_t** p_data,
105  uint16_t numComps, uint32_t is_signed);
115  static bool decompress_custom(uint8_t* pDecodingData, uint64_t n, uint8_t** pData,
116  uint16_t pNbComp, uint32_t isSigned);
123  static void calculate_norms(double* pNorms, uint16_t nb_comps, float* pMatrix);
124 
125  private:
126  void genShift(uint16_t compno, int32_t sign, std::vector<ShiftInfo>& shiftInfo);
127  void genShift(int32_t sign, std::vector<ShiftInfo>& shiftInfo);
128 
133 };
134 
135 /* ----------------------------------------------------------------------- */
139 
140 } // namespace grk
Definition: FlowComponent.h:21
Definition: GrkImage.h:25
Definition: StripCache.h:110
Definition: mct.h:53
static bool decompress_custom(uint8_t *pDecodingData, uint64_t n, uint8_t **pData, uint16_t pNbComp, uint32_t isSigned)
Custom MCT decode.
static bool compress_custom(uint8_t *p_coding_data, uint64_t n, uint8_t **p_data, uint16_t numComps, uint32_t is_signed)
Custom MCT transform.
GrkImage * image_
Definition: mct.h:130
void decompress_rev(FlowComponent *flow)
Apply a reversible multi-component inverse transform to an image.
static void calculate_norms(double *pNorms, uint16_t nb_comps, float *pMatrix)
Calculate norm of MCT transform.
void decompress_dc_shift_rev(FlowComponent *flow, uint16_t compno)
Apply a reversible inverse dc shift to an image.
TileCodingParams * tcp_
Definition: mct.h:131
void compress_irrev(FlowComponent *flow)
Apply an irreversible multi-component transform to an image.
void genShift(int32_t sign, std::vector< ShiftInfo > &shiftInfo)
StripCache * stripCache_
Definition: mct.h:132
void decompress_irrev(FlowComponent *flow)
Apply an irreversible multi-component inverse transform to an image.
static const double * get_norms_irrev(void)
Get wavelet norms for irreversible transform.
void genShift(uint16_t compno, int32_t sign, std::vector< ShiftInfo > &shiftInfo)
Tile * tile_
Definition: mct.h:129
static const double * get_norms_rev(void)
Get wavelet norms for reversible transform.
void compress_rev(FlowComponent *flow)
Apply a reversible multi-component transform to an image.
mct(Tile *tile, GrkImage *image, TileCodingParams *tcp, StripCache *stripCache)
void decompress_dc_shift_irrev(FlowComponent *flow, uint16_t compno)
Apply an irreversible inverse dc shift to an image.
Copyright (C) 2016-2022 Grok Image Compression Inc.
Definition: ICacheable.h:20
const double shift
Definition: RateControl.cpp:165
Definition: mct.h:37
uint32_t linesPerTask_
Definition: mct.h:46
uint16_t compno
Definition: mct.h:43
uint32_t yBegin
Definition: mct.h:48
Tile * tile
Definition: mct.h:42
FlowComponent * flow_
Definition: mct.h:45
std::vector< ShiftInfo > shiftInfo
Definition: mct.h:44
ScheduleInfo(Tile *t, FlowComponent *flow, StripCache *stripCache, uint32_t linesPerTask)
Definition: mct.h:38
uint32_t yEnd
Definition: mct.h:49
StripCache * stripCache_
Definition: mct.h:47
Definition: mct.h:28
int32_t _shift
Definition: mct.h:33
ShiftInfo(int32_t mn, int32_t mx, int32_t shift)
Definition: mct.h:29
int32_t _min
Definition: mct.h:31
ShiftInfo()
Definition: mct.h:30
int32_t _max
Definition: mct.h:32
Tile coding parameters : this structure is used to store coding/decoding parameters common to all til...
Definition: CodingParams.h:122
Definition: TileProcessor.h:39