BasebandSampleSource Class Reference

#include <basebandsamplesource.h>

Inheritance diagram for BasebandSampleSource:

Collaboration diagram for BasebandSampleSource:

Public Member Functions
	BasebandSampleSource ()
virtual	~BasebandSampleSource ()
virtual void	start ()=0
virtual void	stop ()=0
virtual void	pull (Sample &sample)=0
virtual void	pullAudio (int nbSamples)
void	feed (SampleSourceFifo *sampleFifo, int nbSamples)
SampleSourceFifo &	getSampleSourceFifo ()
virtual bool	handleMessage (const Message &cmd)=0
	Processing of a message. Returns true if message has actually been processed. More...
MessageQueue *	getInputMessageQueue ()
	Get the queue for asynchronous inbound communication. More...
virtual void	setMessageQueueToGUI (MessageQueue *queue)
MessageQueue *	getMessageQueueToGUI ()
void	setDeviceSampleSourceFifo (SampleSourceFifo *deviceSampleFifo)

Protected Slots
void	handleInputMessages ()
void	handleWriteToFifo (int nbSamples)
void	handleWriteToDeviceFifo (int nbSamples)

Protected Member Functions
void	handleWriteToFifo (SampleSourceFifo *sampleFifo, int nbSamples)

Protected Attributes
MessageQueue	m_inputMessageQueue
	Queue for asynchronous inbound communication. More...
MessageQueue *	m_guiMessageQueue
	Input message queue to the GUI. More...
SampleSourceFifo	m_sampleFifo
	Internal FIFO for multi-channel processing. More...
SampleSourceFifo *	m_deviceSampleFifo
	Reference to the device FIFO for single channel processing. More...

Detailed Description

Definition at line 30 of file basebandsamplesource.h.

Constructor & Destructor Documentation

BasebandSampleSource()

BasebandSampleSource::BasebandSampleSource

(

)

Definition at line 22 of file basebandsamplesource.cpp.

References handleInputMessages(), handleWriteToFifo(), m_inputMessageQueue, and m_sampleFifo.

                                           :
    m_guiMessageQueue(0),
    m_sampleFifo(48000), // arbitrary, will be adjusted to match device sink FIFO size
    m_deviceSampleFifo(0)
{
    connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
    connect(&m_sampleFifo, SIGNAL(dataWrite(int)), this, SLOT(handleWriteToFifo(int)));
}

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~BasebandSampleSource()

BasebandSampleSource::~BasebandSampleSource ( )

virtual

Definition at line 31 of file basebandsamplesource.cpp.

{
}

Member Function Documentation

feed()

void BasebandSampleSource::feed ( SampleSourceFifo *  sampleFifo, int  nbSamples  )

inline

direct feeding of sample source FIFO

Definition at line 42 of file basebandsamplesource.h.

References SampleSourceFifo::bumpIndex(), SampleSourceFifo::getWriteIterator(), and i.

Referenced by ThreadedBasebandSampleSource::feed().

    {
        SampleVector::iterator writeAt;
        sampleFifo->getWriteIterator(writeAt);
        pullAudio(nbSamples); // Pre-fetch input audio samples this is mandatory to keep things running smoothly

        for (int i = 0; i < nbSamples; i++)
        {
            pull((*writeAt));
            sampleFifo->bumpIndex(writeAt);
        }
    }

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getInputMessageQueue()

MessageQueue* BasebandSampleSource::getInputMessageQueue ( )

inline

Get the queue for asynchronous inbound communication.

Definition at line 59 of file basebandsamplesource.h.

Referenced by AMMod::AMMod(), LocalSourceGUI::applyChannelSettings(), FileSourceGUI::applyChannelSettings(), UpChannelizer::applyConfiguration(), UpChannelizer::applySetting(), LocalSourceGUI::applySettings(), UDPSourceGUI::applySettings(), NFMModGUI::applySettings(), AMModGUI::applySettings(), RemoteSourceGUI::applySettings(), ATVModGUI::applySettings(), WFMModGUI::applySettings(), FreeDVModGUI::applySettings(), FileSourceGUI::applySettings(), SSBModGUI::applySettings(), WFMMod::applySettings(), AMMod::applySettings(), NFMMod::applySettings(), FreeDVMod::applySettings(), SSBMod::applySettings(), FileSourceGUI::configureFileName(), AMModGUI::configureFileName(), FreeDVModGUI::configureFileName(), NFMModGUI::configureFileName(), WFMModGUI::configureFileName(), SSBModGUI::configureFileName(), ATVModGUI::configureImageFileName(), ATVModGUI::configureVideoFileName(), FreeDVMod::FreeDVMod(), UpChannelizer::handleMessage(), UDPSource::handleMessage(), LocalSource::handleMessage(), AMMod::handleMessage(), WFMMod::handleMessage(), NFMMod::handleMessage(), SSBMod::handleMessage(), FreeDVMod::handleMessage(), FileSource::handleMessage(), ATVMod::handleMessage(), NFMMod::NFMMod(), ATVModGUI::on_cameraManualFPS_valueChanged(), ATVModGUI::on_cameraManualFPSEnable_toggled(), ATVModGUI::on_camSelect_currentIndexChanged(), FileSourceGUI::on_navTime_valueChanged(), AMModGUI::on_navTimeSlider_valueChanged(), NFMModGUI::on_navTimeSlider_valueChanged(), FreeDVModGUI::on_navTimeSlider_valueChanged(), WFMModGUI::on_navTimeSlider_valueChanged(), SSBModGUI::on_navTimeSlider_valueChanged(), ATVModGUI::on_navTimeSlider_valueChanged(), FileSourceGUI::on_play_toggled(), FileSourceGUI::on_playLoop_toggled(), UDPSource::resetReadIndex(), UDPSource::setSpectrum(), SSBMod::SSBMod(), RemoteSourceGUI::tick(), FileSourceGUI::tick(), AMModGUI::tick(), FreeDVModGUI::tick(), NFMModGUI::tick(), WFMModGUI::tick(), SSBModGUI::tick(), ATVModGUI::tick(), and WFMMod::WFMMod().

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getMessageQueueToGUI()

MessageQueue* BasebandSampleSource::getMessageQueueToGUI ( )

inline

Definition at line 61 of file basebandsamplesource.h.

Referenced by SSBMod::applyAudioSampleRate(), ATVMod::applyChannelSettings(), FreeDVMod::applyFreeDVMode(), ATVMod::applySettings(), ATVMod::getCameraNumbers(), FileSource::handleEOF(), AMMod::handleMessage(), WFMMod::handleMessage(), NFMMod::handleMessage(), SSBMod::handleMessage(), FreeDVMod::handleMessage(), FileSource::handleMessage(), ATVMod::handleMessage(), WFMMod::openFileStream(), AMMod::openFileStream(), NFMMod::openFileStream(), FreeDVMod::openFileStream(), SSBMod::openFileStream(), FileSource::openFileStream(), ATVMod::openVideo(), ATVMod::pullVideo(), FileSource::start(), and FileSource::stop().

{ return m_guiMessageQueue; }

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getSampleSourceFifo()

SampleSourceFifo& BasebandSampleSource::getSampleSourceFifo ( )

inline

Definition at line 55 of file basebandsamplesource.h.

{ return m_sampleFifo; }

handleInputMessages

void BasebandSampleSource::handleInputMessages ( )

protectedslot

Definition at line 35 of file basebandsamplesource.cpp.

References handleMessage(), m_inputMessageQueue, and MessageQueue::pop().

Referenced by BasebandSampleSource().

{
    Message* message;

    while ((message = m_inputMessageQueue.pop()) != 0)
    {
        if (handleMessage(*message))
        {
            delete message;
        }
    }
}

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handleMessage()

virtual bool BasebandSampleSource::handleMessage ( const Message &  cmd )

pure virtual

Processing of a message. Returns true if message has actually been processed.

Implemented in ATVMod, FileSource, FreeDVMod, SSBMod, NFMMod, WFMMod, AMMod, RemoteSource, LocalSource, UDPSource, and UpChannelizer.

Referenced by handleInputMessages(), ThreadedBasebandSampleSource::handleSourceMessage(), and DSPDeviceSinkEngine::handleSynchronousMessages().

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handleWriteToDeviceFifo

void BasebandSampleSource::handleWriteToDeviceFifo ( int  nbSamples )

protectedslot

Definition at line 53 of file basebandsamplesource.cpp.

References handleWriteToFifo(), and m_deviceSampleFifo.

Referenced by setDeviceSampleSourceFifo().

{
    handleWriteToFifo(m_deviceSampleFifo, nbSamples);
}

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handleWriteToFifo() [1/2]

void BasebandSampleSource::handleWriteToFifo ( SampleSourceFifo *  sampleFifo, int  nbSamples  )

protected

Definition at line 58 of file basebandsamplesource.cpp.

References SampleSourceFifo::bumpIndex(), SampleSourceFifo::getWriteIterator(), i, pull(), and pullAudio().

Referenced by BasebandSampleSource(), handleWriteToDeviceFifo(), and handleWriteToFifo().

{
    SampleVector::iterator writeAt;
    sampleFifo->getWriteIterator(writeAt);
    pullAudio(nbSamples); // Pre-fetch input audio samples this is mandatory to keep things running smoothly

    for (int i = 0; i < nbSamples; i++)
    {
        pull((*writeAt));
        sampleFifo->bumpIndex(writeAt);
    }
}

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handleWriteToFifo [2/2]

void BasebandSampleSource::handleWriteToFifo ( int  nbSamples )

protectedslot

Definition at line 48 of file basebandsamplesource.cpp.

References handleWriteToFifo(), and m_sampleFifo.

{
    handleWriteToFifo(&m_sampleFifo, nbSamples);
}

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pull()

virtual void BasebandSampleSource::pull ( Sample &  sample )

pure virtual

Implemented in ATVMod, FileSource, FreeDVMod, SSBMod, NFMMod, WFMMod, AMMod, RemoteSource, LocalSource, UDPSource, and UpChannelizer.

Referenced by handleWriteToFifo(), ThreadedBasebandSampleSource::pull(), and UpChannelizer::pull().

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pullAudio()

virtual void BasebandSampleSource::pullAudio ( int  nbSamples )

inlinevirtual

Reimplemented in ATVMod, FileSource, FreeDVMod, SSBMod, NFMMod, WFMMod, AMMod, RemoteSource, LocalSource, and UpChannelizer.

Definition at line 39 of file basebandsamplesource.h.

Referenced by handleWriteToFifo().

{ (void) nbSamples; }

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setDeviceSampleSourceFifo()

void BasebandSampleSource::setDeviceSampleSourceFifo

(

SampleSourceFifo *

deviceSampleFifo

)

Definition at line 72 of file basebandsamplesource.cpp.

References handleWriteToDeviceFifo(), and m_deviceSampleFifo.

{
    if (m_deviceSampleFifo != deviceSampleFifo)
    {
        if (m_deviceSampleFifo) {
            qDebug("BasebandSampleSource::setDeviceSampleSourceFifo: disconnect device FIFO %p", m_deviceSampleFifo);
            disconnect(m_deviceSampleFifo, SIGNAL(dataWrite(int)), this, SLOT(handleWriteToDeviceFifo(int)));
        }

        if (deviceSampleFifo) {
            qDebug("BasebandSampleSource::setDeviceSampleSourceFifo: connect device FIFO %p", deviceSampleFifo);
            connect(deviceSampleFifo, SIGNAL(dataWrite(int)), this, SLOT(handleWriteToDeviceFifo(int)));
        }

        m_deviceSampleFifo = deviceSampleFifo;
    }
}

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setMessageQueueToGUI()

virtual void BasebandSampleSource::setMessageQueueToGUI ( MessageQueue *  queue )

inlinevirtual

Definition at line 60 of file basebandsamplesource.h.

Referenced by AMModGUI::AMModGUI(), ATVModGUI::ATVModGUI(), FileSourceGUI::FileSourceGUI(), FreeDVModGUI::FreeDVModGUI(), LocalSourceGUI::LocalSourceGUI(), NFMModGUI::NFMModGUI(), RemoteSourceGUI::RemoteSourceGUI(), SSBModGUI::SSBModGUI(), UDPSourceGUI::UDPSourceGUI(), and WFMModGUI::WFMModGUI().

{ m_guiMessageQueue = queue; }

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start()

virtual void BasebandSampleSource::start ( )

pure virtual

Implemented in ATVMod, FileSource, FreeDVMod, SSBMod, NFMMod, WFMMod, AMMod, RemoteSource, LocalSource, UDPSource, and UpChannelizer.

Referenced by DSPDeviceSinkEngine::handleSynchronousMessages(), ThreadedBasebandSampleSource::start(), and UpChannelizer::start().

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stop()

virtual void BasebandSampleSource::stop ( )

pure virtual

Implemented in ATVMod, FileSource, FreeDVMod, SSBMod, NFMMod, WFMMod, AMMod, RemoteSource, LocalSource, UDPSource, and UpChannelizer.

Referenced by DSPDeviceSinkEngine::handleSynchronousMessages(), ThreadedBasebandSampleSource::stop(), and UpChannelizer::stop().

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Member Data Documentation

m_deviceSampleFifo

SampleSourceFifo* BasebandSampleSource::m_deviceSampleFifo

protected

Reference to the device FIFO for single channel processing.

Definition at line 68 of file basebandsamplesource.h.

Referenced by handleWriteToDeviceFifo(), and setDeviceSampleSourceFifo().

m_guiMessageQueue

MessageQueue* BasebandSampleSource::m_guiMessageQueue

protected

Input message queue to the GUI.

Definition at line 66 of file basebandsamplesource.h.

Referenced by LocalSource::handleMessage(), RemoteSource::handleMessage(), FileSource::handleMessage(), UDPSource::webapiSettingsPutPatch(), LocalSource::webapiSettingsPutPatch(), RemoteSource::webapiSettingsPutPatch(), AMMod::webapiSettingsPutPatch(), WFMMod::webapiSettingsPutPatch(), NFMMod::webapiSettingsPutPatch(), SSBMod::webapiSettingsPutPatch(), FreeDVMod::webapiSettingsPutPatch(), FileSource::webapiSettingsPutPatch(), and ATVMod::webapiSettingsPutPatch().

m_inputMessageQueue

MessageQueue BasebandSampleSource::m_inputMessageQueue

protected

Queue for asynchronous inbound communication.

Definition at line 65 of file basebandsamplesource.h.

Referenced by AMMod::applyAudioSampleRate(), NFMMod::applyAudioSampleRate(), SSBMod::applyAudioSampleRate(), FreeDVMod::applyFreeDVMode(), BasebandSampleSource(), UDPSource::deserialize(), LocalSource::deserialize(), RemoteSource::deserialize(), AMMod::deserialize(), WFMMod::deserialize(), NFMMod::deserialize(), SSBMod::deserialize(), FreeDVMod::deserialize(), FileSource::deserialize(), ATVMod::deserialize(), handleInputMessages(), RemoteSource::setDataLink(), UDPSource::UDPSource(), UDPSource::webapiSettingsPutPatch(), LocalSource::webapiSettingsPutPatch(), RemoteSource::webapiSettingsPutPatch(), AMMod::webapiSettingsPutPatch(), WFMMod::webapiSettingsPutPatch(), NFMMod::webapiSettingsPutPatch(), SSBMod::webapiSettingsPutPatch(), FreeDVMod::webapiSettingsPutPatch(), FileSource::webapiSettingsPutPatch(), and ATVMod::webapiSettingsPutPatch().

m_sampleFifo

SampleSourceFifo BasebandSampleSource::m_sampleFifo

protected

Internal FIFO for multi-channel processing.

Definition at line 67 of file basebandsamplesource.h.

Referenced by BasebandSampleSource(), and handleWriteToFifo().

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The documentation for this class was generated from the following files:

• sdrbase/dsp/basebandsamplesource.h
• sdrbase/dsp/basebandsamplesource.cpp