annotate plugin/plugins/SamplePlayer.h @ 1881:b504df98c3be

Ensure completion on output model is started at zero, so if it's checked before the input model has become ready and the transform has begun, it is not accidentally reported as complete (affected re-aligning models in Sonic Lineup when replacing the session)
author Chris Cannam
date Fri, 26 Jun 2020 11:45:39 +0100
parents ad5f892c0c4d
children
rev   line source
Chris@49 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@0 2
Chris@0 3 /*
Chris@52 4 Sonic Visualiser
Chris@52 5 An audio file viewer and annotation editor.
Chris@52 6 Centre for Digital Music, Queen Mary, University of London.
Chris@52 7 This file copyright 2006 Chris Cannam.
Chris@0 8
Chris@52 9 This program is free software; you can redistribute it and/or
Chris@52 10 modify it under the terms of the GNU General Public License as
Chris@52 11 published by the Free Software Foundation; either version 2 of the
Chris@52 12 License, or (at your option) any later version. See the file
Chris@52 13 COPYING included with this distribution for more information.
Chris@0 14 */
Chris@0 15
Chris@1581 16 #ifndef SV_SAMPLE_PLAYER_H
Chris@1581 17 #define SV_SAMPLE_PLAYER_H
Chris@0 18
Chris@0 19 #define DSSI_API_LEVEL 2
Chris@0 20
Chris@646 21 #include "../api/ladspa.h"
Chris@646 22 #include "../api/dssi.h"
Chris@646 23
Chris@0 24 #include <seq_event.h>
Chris@0 25
Chris@0 26 #include <QMutex>
Chris@0 27 #include <QString>
Chris@0 28 #include <vector>
Chris@0 29
Chris@0 30 class SamplePlayer
Chris@0 31 {
Chris@0 32 public:
Chris@0 33 static const DSSI_Descriptor *getDescriptor(unsigned long index);
Chris@0 34
Chris@0 35 private:
Chris@0 36 SamplePlayer(int sampleRate);
Chris@0 37 ~SamplePlayer();
Chris@0 38
Chris@0 39 enum {
Chris@1429 40 OutputPort = 0,
Chris@1429 41 RetunePort = 1,
Chris@1429 42 BasePitchPort = 2,
Chris@143 43 ConcertAPort = 3,
Chris@1429 44 SustainPort = 4,
Chris@1429 45 ReleasePort = 5,
Chris@1429 46 PortCount = 6
Chris@0 47 };
Chris@0 48
Chris@0 49 enum {
Chris@1429 50 Polyphony = 128
Chris@0 51 };
Chris@0 52
Chris@0 53 static const char *const portNames[PortCount];
Chris@0 54 static const LADSPA_PortDescriptor ports[PortCount];
Chris@0 55 static const LADSPA_PortRangeHint hints[PortCount];
Chris@0 56 static const LADSPA_Properties properties;
Chris@0 57 static const LADSPA_Descriptor ladspaDescriptor;
Chris@0 58 static const DSSI_Descriptor dssiDescriptor;
Chris@0 59 static const DSSI_Host_Descriptor *hostDescriptor;
Chris@0 60
Chris@0 61 static LADSPA_Handle instantiate(const LADSPA_Descriptor *, unsigned long);
Chris@0 62 static void connectPort(LADSPA_Handle, unsigned long, LADSPA_Data *);
Chris@0 63 static void activate(LADSPA_Handle);
Chris@0 64 static void run(LADSPA_Handle, unsigned long);
Chris@0 65 static void deactivate(LADSPA_Handle);
Chris@0 66 static void cleanup(LADSPA_Handle);
Chris@75 67 static char *configure(LADSPA_Handle, const char *, const char *);
Chris@0 68 static const DSSI_Program_Descriptor *getProgram(LADSPA_Handle, unsigned long);
Chris@0 69 static void selectProgram(LADSPA_Handle, unsigned long, unsigned long);
Chris@0 70 static int getMidiController(LADSPA_Handle, unsigned long);
Chris@0 71 static void runSynth(LADSPA_Handle, unsigned long,
Chris@1429 72 snd_seq_event_t *, unsigned long);
Chris@0 73 static void receiveHostDescriptor(const DSSI_Host_Descriptor *descriptor);
Chris@0 74 static void workThreadCallback(LADSPA_Handle);
Chris@0 75
Chris@0 76 void searchSamples();
Chris@0 77 void loadSampleData(QString path);
Chris@0 78 void runImpl(unsigned long, snd_seq_event_t *, unsigned long);
Chris@0 79 void addSample(int, unsigned long, unsigned long);
Chris@0 80
Chris@0 81 float *m_output;
Chris@0 82 float *m_retune;
Chris@0 83 float *m_basePitch;
Chris@143 84 float *m_concertA;
Chris@0 85 float *m_sustain;
Chris@0 86 float *m_release;
Chris@0 87
Chris@0 88 float *m_sampleData;
Chris@0 89 size_t m_sampleCount;
Chris@0 90 int m_sampleRate;
Chris@0 91
Chris@0 92 long m_ons[Polyphony];
Chris@0 93 long m_offs[Polyphony];
Chris@0 94 int m_velocities[Polyphony];
Chris@0 95 long m_sampleNo;
Chris@0 96
Chris@83 97 QString m_sampleDir;
Chris@0 98 QString m_program;
Chris@0 99 std::vector<std::pair<QString, QString> > m_samples; // program name, path
Chris@0 100 bool m_sampleSearchComplete;
Chris@0 101 int m_pendingProgramChange;
Chris@0 102
Chris@0 103 QMutex m_mutex;
Chris@0 104 };
Chris@0 105
Chris@0 106
Chris@0 107 #endif