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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Sonic Visualiser
An audio file viewer and annotation editor.
Centre for Digital Music, Queen Mary, University of London.
This file copyright 2006 Chris Cannam.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#ifndef SV_SAMPLE_PLAYER_H
#define SV_SAMPLE_PLAYER_H
#define DSSI_API_LEVEL 2
#include "../api/ladspa.h"
#include "../api/dssi.h"
#include <seq_event.h>
#include <QMutex>
#include <QString>
#include <vector>
class SamplePlayer
{
public:
static const DSSI_Descriptor *getDescriptor(unsigned long index);
private:
SamplePlayer(int sampleRate);
~SamplePlayer();
enum {
OutputPort = 0,
RetunePort = 1,
BasePitchPort = 2,
ConcertAPort = 3,
SustainPort = 4,
ReleasePort = 5,
PortCount = 6
};
enum {
Polyphony = 128
};
static const char *const portNames[PortCount];
static const LADSPA_PortDescriptor ports[PortCount];
static const LADSPA_PortRangeHint hints[PortCount];
static const LADSPA_Properties properties;
static const LADSPA_Descriptor ladspaDescriptor;
static const DSSI_Descriptor dssiDescriptor;
static const DSSI_Host_Descriptor *hostDescriptor;
static LADSPA_Handle instantiate(const LADSPA_Descriptor *, unsigned long);
static void connectPort(LADSPA_Handle, unsigned long, LADSPA_Data *);
static void activate(LADSPA_Handle);
static void run(LADSPA_Handle, unsigned long);
static void deactivate(LADSPA_Handle);
static void cleanup(LADSPA_Handle);
static char *configure(LADSPA_Handle, const char *, const char *);
static const DSSI_Program_Descriptor *getProgram(LADSPA_Handle, unsigned long);
static void selectProgram(LADSPA_Handle, unsigned long, unsigned long);
static int getMidiController(LADSPA_Handle, unsigned long);
static void runSynth(LADSPA_Handle, unsigned long,
snd_seq_event_t *, unsigned long);
static void receiveHostDescriptor(const DSSI_Host_Descriptor *descriptor);
static void workThreadCallback(LADSPA_Handle);
void searchSamples();
void loadSampleData(QString path);
void runImpl(unsigned long, snd_seq_event_t *, unsigned long);
void addSample(int, unsigned long, unsigned long);
float *m_output;
float *m_retune;
float *m_basePitch;
float *m_concertA;
float *m_sustain;
float *m_release;
float *m_sampleData;
size_t m_sampleCount;
int m_sampleRate;
long m_ons[Polyphony];
long m_offs[Polyphony];
int m_velocities[Polyphony];
long m_sampleNo;
QString m_sampleDir;
QString m_program;
std::vector<std::pair<QString, QString> > m_samples; // program name, path
bool m_sampleSearchComplete;
int m_pendingProgramChange;
QMutex m_mutex;
};
#endif
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