#include <SamplePlayer.h>

Static Public Member Functions
static const DSSI_Descriptor *	getDescriptor (unsigned long index)

Private Types
enum	{ OutputPort = 0, RetunePort = 1, BasePitchPort = 2, ConcertAPort = 3, SustainPort = 4, ReleasePort = 5, PortCount = 6 }

enum	{ Polyphony = 128 }

Private Member Functions
	SamplePlayer (int sampleRate)

	~SamplePlayer ()

void	searchSamples ()

void	loadSampleData (QString path)

void	runImpl (unsigned long, snd_seq_event_t *, unsigned long)

void	addSample (int, unsigned long, unsigned long)

Static Private Member Functions
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)

Private Attributes
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

bool	m_sampleSearchComplete

int	m_pendingProgramChange

QMutex	m_mutex

Static Private Attributes
static const char *const	portNames [PortCount]

static const LADSPA_PortDescriptor	ports [PortCount]

static const LADSPA_PortRangeHint	hints [PortCount]

static const LADSPA_Properties	properties = LADSPA_PROPERTY_HARD_RT_CAPABLE

static const LADSPA_Descriptor	ladspaDescriptor

static const DSSI_Descriptor	dssiDescriptor

static const DSSI_Host_Descriptor *	hostDescriptor = nullptr

Detailed Description

Definition at line 30 of file SamplePlayer.h.

Member Enumeration Documentation

anonymous enum

private

Enumerator
OutputPort
RetunePort
BasePitchPort
ConcertAPort
SustainPort
ReleasePort
PortCount

Definition at line 39 of file SamplePlayer.h.

anonymous enum

private

Enumerator
Polyphony

Definition at line 49 of file SamplePlayer.h.

Constructor & Destructor Documentation

SamplePlayer::SamplePlayer ( int sampleRate )

private

Definition at line 134 of file SamplePlayer.cpp.

Referenced by instantiate().

SamplePlayer::~SamplePlayer ( )

private

Definition at line 151 of file SamplePlayer.cpp.

References m_sampleData.

Member Function Documentation

const DSSI_Descriptor * SamplePlayer::getDescriptor ( unsigned long index )

static

Definition at line 128 of file SamplePlayer.cpp.

References dssiDescriptor.

Referenced by DSSIPluginFactory::getDSSIDescriptor().

LADSPA_Handle SamplePlayer::instantiate	(	const LADSPA_Descriptor *	,
		unsigned long	rate
	)

staticprivate

Definition at line 157 of file SamplePlayer.cpp.

References hostDescriptor, SamplePlayer(), SVDEBUG, and workThreadCallback().

void SamplePlayer::connectPort	(	LADSPA_Handle	handle,
		unsigned long	port,
		LADSPA_Data *	location
	)

staticprivate

Definition at line 177 of file SamplePlayer.cpp.

References m_basePitch, m_concertA, m_output, m_release, m_retune, m_sustain, PortCount, and ports.

void SamplePlayer::activate ( LADSPA_Handle handle )

staticprivate

Definition at line 195 of file SamplePlayer.cpp.

References m_mutex, m_offs, m_ons, m_sampleNo, m_velocities, and Polyphony.

Referenced by deactivate().

void SamplePlayer::run	(	LADSPA_Handle	handle,
		unsigned long	samples
	)

staticprivate

Definition at line 210 of file SamplePlayer.cpp.

References runSynth().

void SamplePlayer::deactivate ( LADSPA_Handle handle )

staticprivate

Definition at line 216 of file SamplePlayer.cpp.

References activate().

void SamplePlayer::cleanup ( LADSPA_Handle handle )

staticprivate

Definition at line 222 of file SamplePlayer.cpp.

char * SamplePlayer::configure	(	LADSPA_Handle	handle,
		const char *	key,
		const char *	value
	)

staticprivate

Definition at line 228 of file SamplePlayer.cpp.

References m_mutex, m_sampleDir, m_sampleSearchComplete, and searchSamples().

const DSSI_Program_Descriptor * SamplePlayer::getProgram	(	LADSPA_Handle	handle,
		unsigned long	program
	)

staticprivate

Definition at line 259 of file SamplePlayer.cpp.

References m_mutex, m_samples, m_sampleSearchComplete, and searchSamples().

void SamplePlayer::selectProgram	(	LADSPA_Handle	handle,
		unsigned	long,
		unsigned long	program
	)

staticprivate

Definition at line 285 of file SamplePlayer.cpp.

References m_pendingProgramChange.

int SamplePlayer::getMidiController	(	LADSPA_Handle	,
		unsigned long	port
	)

staticprivate

Definition at line 294 of file SamplePlayer.cpp.

References PortCount.

void SamplePlayer::runSynth	(	LADSPA_Handle	handle,
		unsigned long	samples,
		snd_seq_event_t *	events,
		unsigned long	eventCount
	)

staticprivate

Definition at line 308 of file SamplePlayer.cpp.

References runImpl().

Referenced by run().

void SamplePlayer::receiveHostDescriptor ( const DSSI_Host_Descriptor * descriptor )

staticprivate

Definition at line 317 of file SamplePlayer.cpp.

References hostDescriptor.

void SamplePlayer::workThreadCallback ( LADSPA_Handle handle )

staticprivate

Definition at line 323 of file SamplePlayer.cpp.

References loadSampleData(), m_mutex, m_pendingProgramChange, m_program, m_samples, m_sampleSearchComplete, searchSamples(), and SVDEBUG.

Referenced by instantiate().

void SamplePlayer::searchSamples ( )

private

Definition at line 366 of file SamplePlayer.cpp.

References m_sampleDir, m_samples, m_sampleSearchComplete, and SVDEBUG.

Referenced by configure(), getProgram(), and workThreadCallback().

void SamplePlayer::loadSampleData ( QString path )

private

Definition at line 394 of file SamplePlayer.cpp.

References m_mutex, m_offs, m_ons, m_sampleCount, m_sampleData, m_sampleRate, m_velocities, and Polyphony.

Referenced by workThreadCallback().

void SamplePlayer::runImpl	(	unsigned long	sampleCount,
		snd_seq_event_t *	events,
		unsigned long	eventCount
	)

private

Definition at line 491 of file SamplePlayer.cpp.

References addSample(), m_mutex, m_offs, m_ons, m_output, m_sampleCount, m_sampleData, m_sampleNo, m_sustain, m_velocities, and Polyphony.

Referenced by runSynth().

void SamplePlayer::addSample	(	int	n,
		unsigned long	pos,
		unsigned long	count
	)

private

Definition at line 573 of file SamplePlayer.cpp.

References m_basePitch, m_concertA, m_offs, m_ons, m_output, m_release, m_retune, m_sampleCount, m_sampleData, m_sampleNo, m_sampleRate, and m_velocities.

Referenced by runImpl().

Member Data Documentation

const char *const SamplePlayer::portNames

staticprivate

Initial value:

=
{
    "Output",
    "Tuned (on/off)",
    "Base Pitch (MIDI)",
    "Tuning of A (Hz)",
    "Sustain (on/off)",
    "Release time (s)"
}

Definition at line 53 of file SamplePlayer.h.

const LADSPA_PortDescriptor SamplePlayer::ports

staticprivate

Initial value:

=
{
    LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO,
    LADSPA_PORT_INPUT  | LADSPA_PORT_CONTROL,
    LADSPA_PORT_INPUT  | LADSPA_PORT_CONTROL,
    LADSPA_PORT_INPUT  | LADSPA_PORT_CONTROL,
    LADSPA_PORT_INPUT  | LADSPA_PORT_CONTROL
}

Definition at line 54 of file SamplePlayer.h.

Referenced by connectPort().

const LADSPA_PortRangeHint SamplePlayer::hints

staticprivate

Initial value:

=
{
    { 0, 0, 0 },
    { LADSPA_HINT_DEFAULT_MAXIMUM | LADSPA_HINT_INTEGER |
      LADSPA_HINT_BOUNDED_BELOW | LADSPA_HINT_BOUNDED_ABOVE, 0, 1 },
    { LADSPA_HINT_DEFAULT_MIDDLE | LADSPA_HINT_INTEGER |
      LADSPA_HINT_BOUNDED_BELOW | LADSPA_HINT_BOUNDED_ABOVE, 0, 120 },
    { LADSPA_HINT_DEFAULT_440 | LADSPA_HINT_LOGARITHMIC |
      LADSPA_HINT_BOUNDED_BELOW | LADSPA_HINT_BOUNDED_ABOVE, 400, 499 },
    { LADSPA_HINT_DEFAULT_MINIMUM | LADSPA_HINT_INTEGER |
      LADSPA_HINT_BOUNDED_BELOW | LADSPA_HINT_BOUNDED_ABOVE, 0, 1 },
    { LADSPA_HINT_DEFAULT_MINIMUM | LADSPA_HINT_LOGARITHMIC |
      LADSPA_HINT_BOUNDED_BELOW | LADSPA_HINT_BOUNDED_ABOVE, 0.001f, 2.0f }
}

Definition at line 55 of file SamplePlayer.h.

const LADSPA_Properties SamplePlayer::properties = LADSPA_PROPERTY_HARD_RT_CAPABLE

staticprivate

Definition at line 56 of file SamplePlayer.h.

const LADSPA_Descriptor SamplePlayer::ladspaDescriptor

staticprivate

Initial value:

=
{
    0, 
    "sample_player", 
    properties,
    "Library Sample Player", 
    "Chris Cannam", 
    "GPL", 
    PortCount,
    ports,
    portNames,
    hints,
    nullptr, 
    instantiate,
    connectPort,
    activate,
    run,
    nullptr, 
    nullptr, 
    deactivate,
    cleanup
}

Definition at line 57 of file SamplePlayer.h.

const DSSI_Descriptor SamplePlayer::dssiDescriptor

staticprivate

Initial value:

=
{
    2, 
    &ladspaDescriptor,
    configure,
    getProgram,
    selectProgram,
    getMidiController,
    runSynth,
    nullptr, 
    nullptr, 
    nullptr, 
    receiveHostDescriptor
}