4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program 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
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include "histogram.inc"
27 #include "histogramconfig.h"
28 #include "histogramwindow.inc"
29 #include "loadbalance.h"
31 #include "pluginvclient.h"
36 HISTOGRAM_POLYNOMINAL,
41 class HistogramMain : public PluginVClient
44 HistogramMain(PluginServer *server);
47 int process_realtime(VFrame *input_ptr, VFrame *output_ptr);
51 void save_data(KeyFrame *keyframe);
52 void read_data(KeyFrame *keyframe);
54 void render_gui(void *data);
56 PLUGIN_CLASS_MEMBERS(HistogramConfig, HistogramThread)
58 // Convert input to linear output
59 float calculate_linear(float input, int mode, int do_value);
60 float calculate_smooth(float input, int subscript);
61 // Convert input to smoothed output by looking up in smooth table.
62 float calculate_curve(float input);
63 // Calculate automatic settings
64 void calculate_automatic(VFrame *data);
65 // Calculate histogram
66 void calculate_histogram(VFrame *data);
67 // Calculate the linear, smoothed, lookup curves
68 void tabulate_curve(int subscript, int use_value);
73 VFrame *input, *output;
74 HistogramEngine *engine;
75 int *lookup[HISTOGRAM_MODES];
76 float *smoothed[HISTOGRAM_MODES];
77 float *linear[HISTOGRAM_MODES];
78 int *accum[HISTOGRAM_MODES];
79 // Input point being dragged or edited
81 // Current channel being viewed
88 class HistogramPackage : public LoadPackage
95 class HistogramUnit : public LoadClient
98 HistogramUnit(HistogramEngine *server, HistogramMain *plugin);
100 void process_package(LoadPackage *package);
101 HistogramEngine *server;
102 HistogramMain *plugin;
106 class HistogramEngine : public LoadServer
109 HistogramEngine(HistogramMain *plugin,
112 void process_packages(int operation, VFrame *data);
113 void init_packages();
114 LoadClient* new_client();
115 LoadPackage* new_package();
116 HistogramMain *plugin;