Mercurial > hg > svcore
comparison plugin/LADSPAPluginFactory.h @ 0:da6937383da8
initial import
author | Chris Cannam |
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date | Tue, 10 Jan 2006 16:33:16 +0000 (2006-01-10) |
parents | |
children | d86891498eef |
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-1:000000000000 | 0:da6937383da8 |
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1 /* -*- c-basic-offset: 4 -*- vi:set ts=8 sts=4 sw=4: */ | |
2 | |
3 /* | |
4 A waveform viewer and audio annotation editor. | |
5 Chris Cannam, Queen Mary University of London, 2005 | |
6 | |
7 This is experimental software. Not for distribution. | |
8 */ | |
9 | |
10 /* | |
11 This is a modified version of a source file from the | |
12 Rosegarden MIDI and audio sequencer and notation editor. | |
13 This file copyright 2000-2005 Chris Cannam and Richard Bown. | |
14 */ | |
15 | |
16 #ifndef _LADSPA_PLUGIN_FACTORY_H_ | |
17 #define _LADSPA_PLUGIN_FACTORY_H_ | |
18 | |
19 #include "RealTimePluginFactory.h" | |
20 #include "api/ladspa.h" | |
21 | |
22 #include <vector> | |
23 #include <map> | |
24 #include <set> | |
25 #include <QString> | |
26 | |
27 class LADSPAPluginInstance; | |
28 | |
29 class LADSPAPluginFactory : public RealTimePluginFactory | |
30 { | |
31 public: | |
32 virtual ~LADSPAPluginFactory(); | |
33 | |
34 virtual void discoverPlugins(); | |
35 | |
36 virtual const std::vector<QString> &getPluginIdentifiers() const; | |
37 | |
38 virtual void enumeratePlugins(std::vector<QString> &list); | |
39 | |
40 virtual RealTimePluginInstance *instantiatePlugin(QString identifier, | |
41 int clientId, | |
42 int position, | |
43 unsigned int sampleRate, | |
44 unsigned int blockSize, | |
45 unsigned int channels); | |
46 | |
47 float getPortMinimum(const LADSPA_Descriptor *, int port); | |
48 float getPortMaximum(const LADSPA_Descriptor *, int port); | |
49 float getPortDefault(const LADSPA_Descriptor *, int port); | |
50 int getPortDisplayHint(const LADSPA_Descriptor *, int port); | |
51 | |
52 protected: | |
53 LADSPAPluginFactory(); | |
54 friend class RealTimePluginFactory; | |
55 | |
56 virtual std::vector<QString> getPluginPath(); | |
57 | |
58 #ifdef HAVE_LIBLRDF | |
59 virtual std::vector<QString> getLRDFPath(QString &baseUri); | |
60 #endif | |
61 | |
62 virtual void discoverPlugins(QString soName); | |
63 virtual void generateTaxonomy(QString uri, QString base); | |
64 virtual void generateFallbackCategories(); | |
65 | |
66 virtual void releasePlugin(RealTimePluginInstance *, QString); | |
67 | |
68 virtual const LADSPA_Descriptor *getLADSPADescriptor(QString identifier); | |
69 | |
70 void loadLibrary(QString soName); | |
71 void unloadLibrary(QString soName); | |
72 void unloadUnusedLibraries(); | |
73 | |
74 std::vector<QString> m_identifiers; | |
75 | |
76 std::map<unsigned long, QString> m_taxonomy; | |
77 std::map<QString, QString> m_fallbackCategories; | |
78 std::map<unsigned long, std::map<int, float> > m_portDefaults; | |
79 | |
80 std::set<RealTimePluginInstance *> m_instances; | |
81 | |
82 typedef std::map<QString, void *> LibraryHandleMap; | |
83 LibraryHandleMap m_libraryHandles; | |
84 }; | |
85 | |
86 #endif | |
87 |