|
Chris@0
|
1 /* -*- c-basic-offset: 4 -*- vi:set ts=8 sts=4 sw=4: */
|
|
Chris@0
|
2
|
|
Chris@0
|
3 /*
|
|
Chris@0
|
4 A waveform viewer and audio annotation editor.
|
|
Chris@2
|
5 Chris Cannam, Queen Mary University of London, 2005-2006
|
|
Chris@0
|
6
|
|
Chris@0
|
7 This is experimental software. Not for distribution.
|
|
Chris@0
|
8 */
|
|
Chris@0
|
9
|
|
Chris@0
|
10 #ifndef _SAMPLE_PLAYER_H_
|
|
Chris@0
|
11 #define _SAMPLE_PLAYER_H_
|
|
Chris@0
|
12
|
|
Chris@0
|
13 #define DSSI_API_LEVEL 2
|
|
Chris@0
|
14
|
|
Chris@0
|
15 #include <ladspa.h>
|
|
Chris@0
|
16 #include <dssi.h>
|
|
Chris@0
|
17 #include <seq_event.h>
|
|
Chris@0
|
18
|
|
Chris@0
|
19 #include <QMutex>
|
|
Chris@0
|
20 #include <QString>
|
|
Chris@0
|
21 #include <vector>
|
|
Chris@0
|
22
|
|
Chris@0
|
23 class SamplePlayer
|
|
Chris@0
|
24 {
|
|
Chris@0
|
25 public:
|
|
Chris@0
|
26 static const DSSI_Descriptor *getDescriptor(unsigned long index);
|
|
Chris@0
|
27
|
|
Chris@0
|
28 private:
|
|
Chris@0
|
29 SamplePlayer(int sampleRate);
|
|
Chris@0
|
30 ~SamplePlayer();
|
|
Chris@0
|
31
|
|
Chris@0
|
32 enum {
|
|
Chris@0
|
33 OutputPort = 0,
|
|
Chris@0
|
34 RetunePort = 1,
|
|
Chris@0
|
35 BasePitchPort = 2,
|
|
Chris@0
|
36 SustainPort = 3,
|
|
Chris@0
|
37 ReleasePort = 4,
|
|
Chris@0
|
38 PortCount = 5
|
|
Chris@0
|
39 };
|
|
Chris@0
|
40
|
|
Chris@0
|
41 enum {
|
|
Chris@0
|
42 Polyphony = 128
|
|
Chris@0
|
43 };
|
|
Chris@0
|
44
|
|
Chris@0
|
45 static const char *const portNames[PortCount];
|
|
Chris@0
|
46 static const LADSPA_PortDescriptor ports[PortCount];
|
|
Chris@0
|
47 static const LADSPA_PortRangeHint hints[PortCount];
|
|
Chris@0
|
48 static const LADSPA_Properties properties;
|
|
Chris@0
|
49 static const LADSPA_Descriptor ladspaDescriptor;
|
|
Chris@0
|
50 static const DSSI_Descriptor dssiDescriptor;
|
|
Chris@0
|
51 static const DSSI_Host_Descriptor *hostDescriptor;
|
|
Chris@0
|
52
|
|
Chris@0
|
53 static LADSPA_Handle instantiate(const LADSPA_Descriptor *, unsigned long);
|
|
Chris@0
|
54 static void connectPort(LADSPA_Handle, unsigned long, LADSPA_Data *);
|
|
Chris@0
|
55 static void activate(LADSPA_Handle);
|
|
Chris@0
|
56 static void run(LADSPA_Handle, unsigned long);
|
|
Chris@0
|
57 static void deactivate(LADSPA_Handle);
|
|
Chris@0
|
58 static void cleanup(LADSPA_Handle);
|
|
Chris@0
|
59 static const DSSI_Program_Descriptor *getProgram(LADSPA_Handle, unsigned long);
|
|
Chris@0
|
60 static void selectProgram(LADSPA_Handle, unsigned long, unsigned long);
|
|
Chris@0
|
61 static int getMidiController(LADSPA_Handle, unsigned long);
|
|
Chris@0
|
62 static void runSynth(LADSPA_Handle, unsigned long,
|
|
Chris@0
|
63 snd_seq_event_t *, unsigned long);
|
|
Chris@0
|
64 static void receiveHostDescriptor(const DSSI_Host_Descriptor *descriptor);
|
|
Chris@0
|
65 static void workThreadCallback(LADSPA_Handle);
|
|
Chris@0
|
66
|
|
Chris@0
|
67 void searchSamples();
|
|
Chris@0
|
68 void loadSampleData(QString path);
|
|
Chris@0
|
69 void runImpl(unsigned long, snd_seq_event_t *, unsigned long);
|
|
Chris@0
|
70 void addSample(int, unsigned long, unsigned long);
|
|
Chris@0
|
71
|
|
Chris@0
|
72 float *m_output;
|
|
Chris@0
|
73 float *m_retune;
|
|
Chris@0
|
74 float *m_basePitch;
|
|
Chris@0
|
75 float *m_sustain;
|
|
Chris@0
|
76 float *m_release;
|
|
Chris@0
|
77
|
|
Chris@0
|
78 float *m_sampleData;
|
|
Chris@0
|
79 size_t m_sampleCount;
|
|
Chris@0
|
80 int m_sampleRate;
|
|
Chris@0
|
81
|
|
Chris@0
|
82 long m_ons[Polyphony];
|
|
Chris@0
|
83 long m_offs[Polyphony];
|
|
Chris@0
|
84 int m_velocities[Polyphony];
|
|
Chris@0
|
85 long m_sampleNo;
|
|
Chris@0
|
86
|
|
Chris@0
|
87 QString m_program;
|
|
Chris@0
|
88 std::vector<std::pair<QString, QString> > m_samples; // program name, path
|
|
Chris@0
|
89 bool m_sampleSearchComplete;
|
|
Chris@0
|
90 int m_pendingProgramChange;
|
|
Chris@0
|
91
|
|
Chris@0
|
92 QMutex m_mutex;
|
|
Chris@0
|
93 };
|
|
Chris@0
|
94
|
|
Chris@0
|
95
|
|
Chris@0
|
96 #endif
|
