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Directory: avs_core/
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filters/histogram.h
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1 // Avisynth v2.5. Copyright 2002 Ben Rudiak-Gould et al.
2 // http://avisynth.nl
3
4 // This program is free software; you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation; either version 2 of the License, or
7 // (at your option) any later version.
8 //
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with this program; if not, write to the Free Software
16 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA, or visit
17 // http://www.gnu.org/copyleft/gpl.html .
18 //
19 // Linking Avisynth statically or dynamically with other modules is making a
20 // combined work based on Avisynth. Thus, the terms and conditions of the GNU
21 // General Public License cover the whole combination.
22 //
23 // As a special exception, the copyright holders of Avisynth give you
24 // permission to link Avisynth with independent modules that communicate with
25 // Avisynth solely through the interfaces defined in avisynth.h, regardless of the license
26 // terms of these independent modules, and to copy and distribute the
27 // resulting combined work under terms of your choice, provided that
28 // every copy of the combined work is accompanied by a complete copy of
29 // the source code of Avisynth (the version of Avisynth used to produce the
30 // combined work), being distributed under the terms of the GNU General
31 // Public License plus this exception. An independent module is a module
32 // which is not derived from or based on Avisynth, such as 3rd-party filters,
33 // import and export plugins, or graphical user interfaces.
34 #ifndef __Histogram_H__
35 #define __Histogram_H__
36
37 #include <avisynth.h>
38 #include <vector>
39 #include "stdint.h"
40 #include "../convert/convert_matrix.h"
41 #include <string>
42
43 /********************************************************************
44 ********************************************************************/
45
46 struct histogram_color2_params {
47 enum GraticuleType {
48 GRATICULE_OFF=0,
49 GRATICULE_ON,
50 GRATICULE_AUTO
51 };
52 GraticuleType graticule_type; // paint graticule on histogram on off auto
53 bool targets; // the 6 color bar boxes
54 bool axes; // paint axes horizontal + vertical cross
55 bool iq; // paint +-I/+Q boxes on histogram
56 bool iq_lines; // paint I/Q diagonal lines on histogram
57 bool circle; // paint circle on histogram, originally only at "color2"
58 bool targets100; // the 6 color bar boxes at 100%
59 };
60
61 class Histogram : public GenericVideoFilter
62 /**
63 * Class to display histogram based on video input
64 **/
65 {
66 public:
67 enum Mode {
68 ModeClassic=0,
69 ModeLevels,
70 ModeColor,
71 ModeColor2,
72 ModeLuma,
73 ModeStereoY8,
74 ModeStereo,
75 ModeOverlay,
76 ModeAudioLevels
77 };
78
79 Histogram(PClip _child, Mode _mode, AVSValue _option, int _show_bits, bool _keepsource, bool _markers, const char* _matrix_name, histogram_color2_params _color2_params, IScriptEnvironment* env);
80 PVideoFrame __stdcall GetFrame(int n, IScriptEnvironment* env) override;
81 PVideoFrame DrawModeClassic (int n, IScriptEnvironment* env);
82 PVideoFrame DrawModeLevels (int n, IScriptEnvironment* env);
83 PVideoFrame DrawModeColor (int n, IScriptEnvironment* env);
84 PVideoFrame DrawModeColor2 (int n, IScriptEnvironment* env);
85 PVideoFrame DrawModeLuma (int n, IScriptEnvironment* env);
86 PVideoFrame DrawModeStereo (int n, IScriptEnvironment* env);
87 PVideoFrame DrawModeOverlay (int n, IScriptEnvironment* env);
88 PVideoFrame DrawModeAudioLevels(int n, IScriptEnvironment* env);
89
90 11 int __stdcall SetCacheHints(int cachehints, int frame_range) override {
91
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 11 return cachehints == CACHE_GET_MTMODE ? MT_NICE_FILTER : 0;
92 }
93
94 static AVSValue __cdecl Create(AVSValue args, void*, IScriptEnvironment* env);
95 private:
96 Mode mode;
97 int deg15c[24], deg15s[24];
98 double color2_innerF;
99 PClip aud_clip;
100 AVSValue option;
101 int pixelsize;
102 int bits_per_pixel;
103 int show_bits; // e.g. levels for 10 bits
104 bool keepsource; // return only the Histogram drawing
105 bool markers; // paint hazardous YUV area "levels": draw unsafe zone, "classic"
106
107 histogram_color2_params color2_params;
108
109 int origwidth;
110 int origheight;
111
112 // read from defaults/props/matrix overrides
113 int theMatrix;
114 int theColorRange;
115 bool full_range;
116 // separate out set for rgb target
117 int theOutColorRange;
118 ConversionMatrix matrix;
119
120 int E167;
121 std::vector<uint16_t> exptab;
122 void ClassicLUTInit();
123 PVideoFrame VectorscopePrelude(
124 int n, IScriptEnvironment* env,
125 PVideoFrame& src,
126 // out:
127 int& dst_pitch, int& dst_height,
128 int& dst_pitchUV, int& dst_heightUV,
129 int& dst_pitchA, int& dst_heightA,
130 BYTE*& panel, BYTE*& panelU, BYTE*& panelV, BYTE*& panelA);
131 };
132
133
134 #endif // __Histogram_H__
135