Mercurial > hg > easaier-soundaccess

annotate plugin/plugins/SamplePlayer.h @ 282:d9319859a4cf tip

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author benoitrigolleau
date Fri, 31 Oct 2008 11:00:24 +0000
parents fc9323a41f5a
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lbajardsilogic@0 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0 2
lbajardsilogic@0 3 /*
lbajardsilogic@0 4 Sonic Visualiser
lbajardsilogic@0 5 An audio file viewer and annotation editor.
lbajardsilogic@0 6 Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0 7 This file copyright 2006 Chris Cannam.
lbajardsilogic@0 8
lbajardsilogic@0 9 This program is free software; you can redistribute it and/or
lbajardsilogic@0 10 modify it under the terms of the GNU General Public License as
lbajardsilogic@0 11 published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0 12 License, or (at your option) any later version. See the file
lbajardsilogic@0 13 COPYING included with this distribution for more information.
lbajardsilogic@0 14 */
lbajardsilogic@0 15
lbajardsilogic@0 16 #ifndef _SAMPLE_PLAYER_H_
lbajardsilogic@0 17 #define _SAMPLE_PLAYER_H_
lbajardsilogic@0 18
lbajardsilogic@0 19 #define DSSI_API_LEVEL 2
lbajardsilogic@0 20
lbajardsilogic@0 21 #include <ladspa.h>
lbajardsilogic@0 22 #include <dssi.h>
lbajardsilogic@0 23 #include <seq_event.h>
lbajardsilogic@0 24
lbajardsilogic@0 25 #include <QMutex>
lbajardsilogic@0 26 #include <QString>
lbajardsilogic@0 27 #include <vector>
lbajardsilogic@0 28
lbajardsilogic@0 29 class SamplePlayer
lbajardsilogic@0 30 {
lbajardsilogic@0 31 public:
lbajardsilogic@0 32 static const DSSI_Descriptor *getDescriptor(unsigned long index);
lbajardsilogic@0 33
lbajardsilogic@0 34 private:
lbajardsilogic@0 35 SamplePlayer(int sampleRate);
lbajardsilogic@0 36 ~SamplePlayer();
lbajardsilogic@0 37
lbajardsilogic@0 38 enum {
lbajardsilogic@0 39 OutputPort = 0,
lbajardsilogic@0 40 RetunePort = 1,
lbajardsilogic@0 41 BasePitchPort = 2,
lbajardsilogic@0 42 ConcertAPort = 3,
lbajardsilogic@0 43 SustainPort = 4,
lbajardsilogic@0 44 ReleasePort = 5,
lbajardsilogic@0 45 PortCount = 6
lbajardsilogic@0 46 };
lbajardsilogic@0 47
lbajardsilogic@0 48 enum {
lbajardsilogic@0 49 Polyphony = 128
lbajardsilogic@0 50 };
lbajardsilogic@0 51
lbajardsilogic@0 52 static const char *const portNames[PortCount];
lbajardsilogic@0 53 static const LADSPA_PortDescriptor ports[PortCount];
lbajardsilogic@0 54 static const LADSPA_PortRangeHint hints[PortCount];
lbajardsilogic@0 55 static const LADSPA_Properties properties;
lbajardsilogic@0 56 static const LADSPA_Descriptor ladspaDescriptor;
lbajardsilogic@0 57 static const DSSI_Descriptor dssiDescriptor;
lbajardsilogic@0 58 static const DSSI_Host_Descriptor *hostDescriptor;
lbajardsilogic@0 59
lbajardsilogic@0 60 static LADSPA_Handle instantiate(const LADSPA_Descriptor *, unsigned long);
lbajardsilogic@0 61 static void connectPort(LADSPA_Handle, unsigned long, LADSPA_Data *);
lbajardsilogic@0 62 static void activate(LADSPA_Handle);
lbajardsilogic@0 63 static void run(LADSPA_Handle, unsigned long);
lbajardsilogic@0 64 static void deactivate(LADSPA_Handle);
lbajardsilogic@0 65 static void cleanup(LADSPA_Handle);
lbajardsilogic@0 66 static char *configure(LADSPA_Handle, const char *, const char *);
lbajardsilogic@0 67 static const DSSI_Program_Descriptor *getProgram(LADSPA_Handle, unsigned long);
lbajardsilogic@0 68 static void selectProgram(LADSPA_Handle, unsigned long, unsigned long);
lbajardsilogic@0 69 static int getMidiController(LADSPA_Handle, unsigned long);
lbajardsilogic@0 70 static void runSynth(LADSPA_Handle, unsigned long,
lbajardsilogic@0 71 snd_seq_event_t *, unsigned long);
lbajardsilogic@0 72 static void receiveHostDescriptor(const DSSI_Host_Descriptor *descriptor);
lbajardsilogic@0 73 static void workThreadCallback(LADSPA_Handle);
lbajardsilogic@0 74
lbajardsilogic@0 75 void searchSamples();
lbajardsilogic@0 76 void loadSampleData(QString path);
lbajardsilogic@0 77 void runImpl(unsigned long, snd_seq_event_t *, unsigned long);
lbajardsilogic@0 78 void addSample(int, unsigned long, unsigned long);
lbajardsilogic@0 79
lbajardsilogic@0 80 float *m_output;
lbajardsilogic@0 81 float *m_retune;
lbajardsilogic@0 82 float *m_basePitch;
lbajardsilogic@0 83 float *m_concertA;
lbajardsilogic@0 84 float *m_sustain;
lbajardsilogic@0 85 float *m_release;
lbajardsilogic@0 86
lbajardsilogic@0 87 float *m_sampleData;
lbajardsilogic@0 88 size_t m_sampleCount;
lbajardsilogic@0 89 int m_sampleRate;
lbajardsilogic@0 90
lbajardsilogic@0 91 long m_ons[Polyphony];
lbajardsilogic@0 92 long m_offs[Polyphony];
lbajardsilogic@0 93 int m_velocities[Polyphony];
lbajardsilogic@0 94 long m_sampleNo;
lbajardsilogic@0 95
lbajardsilogic@0 96 QString m_sampleDir;
lbajardsilogic@0 97 QString m_program;
lbajardsilogic@0 98 std::vector<std::pair<QString, QString> > m_samples; // program name, path
lbajardsilogic@0 99 bool m_sampleSearchComplete;
lbajardsilogic@0 100 int m_pendingProgramChange;
lbajardsilogic@0 101
lbajardsilogic@0 102 QMutex m_mutex;
lbajardsilogic@0 103 };
lbajardsilogic@0 104
lbajardsilogic@0 105
lbajardsilogic@0 106 #endif