Dirac - A Video Codec

Created by the British Broadcasting Corporation.


overlay.h
Go to the documentation of this file.
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3* $Id: overlay.h,v 1.7 2008/03/14 08:17:37 asuraparaju Exp $ $Name: Dirac_1_0_2 $
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37
38#ifndef __OVERLAY_H__
39#define __OVERLAY_H__
40
41
52
53using dirac::MEData;
55
56namespace dirac_instr
57{
58#define NO_REF -1
59
62 {
67 };
68
71 {
72 public:
73
75 // //
76 // Assumes default constructor, copy constructor //
77 // and assignment = //
78 // //
80
83 OverlayOption Option() const {return m_option;}
84
86 int Reference() const {return m_ref;}
87
89 int Background() const {return m_bg;}
90
92 int Legend() const {return m_legend;}
93
95 int MvClip() const {return m_mv_clip;}
96
98 int SADClip() const {return m_sad_clip;}
99
103
105 void SetReference(int r) {m_ref=r;}
106
108 void SetBackground(bool b) {m_bg=b;}
109
111 void SetLegend(bool l) {m_legend=l;}
112
114 void SetMvClip(int c) {m_mv_clip=c;}
115
117 void SetSADClip(int c) {m_sad_clip=c;}
118
119 private:
122
124 int m_ref;
125
127 bool m_bg;
128
131
134
137 };
138
141 {
142 public:
145
148
150 // //
151 // Assumes default copy constructor and assignment = //
152 // //
154
155 void ProcessPicture(const MEData &, const OLBParams &);
156
158
159 private:
160
162 /*
163 Main overlay is carried out on a motion vector block by block basis
164 */
165 void DoOverlay(const MEData &);
166
168 /*
169 Difference picture formats use different chroma resolutions with
170 respect to luma
171 */
173
175 /*
176 Pictures must have an integer number of macroblocks, more
177 macroblocks may have been used during encoding and hence the picture
178 must be padded now in order for the correct macroblock (and motion
179 vector block) size to be calculated
180 */
181 void PadPicture(const MEData &);
182
185
188
190 int m_ref;
191
194
197
200 };
201
202} // namespace dirac_instr
203
204#endif
205
ChromaFormat
Definition: common_types.h:58
TwoDArray< MVector > MvArray
MvArray is a two-D array of MVectors.
Definition: motion.h:186
Definition: draw_overlay.h:51
OverlayOption
Enumeration of options for instrumentation overlay.
Definition: overlay.h:62
@ motion_colour
Definition: overlay.h:63
@ gm_diff_colour
Definition: overlay.h:65
@ gm_colour_arrows
Definition: overlay.h:64
@ motion_colour_arrows
Definition: overlay.h:63
@ gm_arrows
Definition: overlay.h:64
@ split_mode
Definition: overlay.h:66
@ gm_inliers
Definition: overlay.h:66
@ pred_mode
Definition: overlay.h:66
@ gm_diff_colour_arrows
Definition: overlay.h:65
@ motion_arrows
Definition: overlay.h:63
@ gm_colour
Definition: overlay.h:64
@ gm_diff_arrows
Definition: overlay.h:65
@ SAD
Definition: overlay.h:66
Parameters for overlapped block motion compensation.
Definition: common.h:818
Class for all the motion estimation data.
Definition: motion.h:314
A class for encapsulating all the data relating to a picture.
Definition: picture.h:52
Class encapsulating parameters for drawing the picture.
Definition: draw_overlay.h:56
Class holding instrumentation overlay information.
Definition: overlay.h:71
int m_sad_clip
SAD clip value.
Definition: overlay.h:136
void SetSADClip(int c)
Set clip for sad.
Definition: overlay.h:117
bool m_bg
Background - original luma or mid-grey.
Definition: overlay.h:127
int MvClip() const
Returns clip value for motion vectors.
Definition: overlay.h:95
int m_ref
Reference picture.
Definition: overlay.h:124
int m_mv_clip
Motion vector clip value.
Definition: overlay.h:133
int SADClip() const
Returns clip value for sad.
Definition: overlay.h:98
OverlayOption m_option
Instrumentation command line option.
Definition: overlay.h:121
void SetLegend(bool l)
Set display of colour legend.
Definition: overlay.h:111
OverlayOption Option() const
Get functions... Returns instrumentation command line option.
Definition: overlay.h:83
bool m_legend
Instrumentation legend off.
Definition: overlay.h:130
int Background() const
Returns true if input picture background is used, false if grey.
Definition: overlay.h:89
void SetReference(int r)
Set which reference picture is to be used.
Definition: overlay.h:105
int Legend() const
Returns true if colour legend is displayed.
Definition: overlay.h:92
int Reference() const
Returns which reference is to be used.
Definition: overlay.h:86
void SetOption(OverlayOption o)
Set functions... Set type of instrumentation.
Definition: overlay.h:102
void SetBackground(bool b)
Set whether input picture or grey is used as background.
Definition: overlay.h:108
void SetMvClip(int c)
Set clip for motion vectors.
Definition: overlay.h:114
Class managing instrumentation overlay.
Definition: overlay.h:141
void PadPicture(const MEData &)
Calculates if picture requires padding.
int m_mv_scale
Temporal scaling factor for motion vectors.
Definition: overlay.h:187
void ProcessPicture(const MEData &, const OLBParams &)
void CalculateFactors(const ChromaFormat &)
Calculates chroma sample factors.
~Overlay()
Destructor.
Overlay(const OverlayParams &, Picture &)
constructor
Picture & m_picture
Local reference to picture.
Definition: overlay.h:196
DrawPictureMotionParams m_draw_params
Parameters for drawing picture overlays.
Definition: overlay.h:199
void DoOverlay(const MEData &)
Manages overlay based on command-line option.
void GlobalMotionDifference(const MEData &, MvArray &)
Remove global motion from block motion.
int m_ref
Local copy of reference offset.
Definition: overlay.h:190
const OverlayParams m_oparams
Overlay parameters.
Definition: overlay.h:193

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