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BFM demod: implemented use RTP protocol for audio over UDP

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This commit is contained in:
f4exb 2018-02-05 18:19:32 +01:00
parent 5e57c0462f
commit d946ceffc8
8 changed files with 73 additions and 10 deletions
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47
plugins/channelrx/demodbfm/bfmdemod.cpp
View File

@ -26,6 +26,7 @@
#include <dsp/downchannelizer.h>
#include "dsp/threadedbasebandsamplesink.h"
#include "device/devicesourceapi.h"
#include "audio/audionetsink.h"
#include "rdsparser.h"
#include "bfmdemod.h"
@ -84,7 +85,8 @@ BFMDemod::BFMDemod(DeviceSourceAPI *deviceAPI) :
m_audioBufferFill = 0;
DSPEngine::instance()->addAudioSink(&m_audioFifo);
m_udpBufferAudio = new UDPSink<AudioSample>(this, m_udpBlockSize, m_settings.m_udpPort);
m_audioNetSink = new AudioNetSink(this, true); // true = stereo
m_audioNetSink->setDestination(m_settings.m_udpAddress, m_settings.m_udpPort);
m_channelizer = new DownChannelizer(this);
m_threadedChannelizer = new ThreadedBasebandSampleSink(m_channelizer, this);
@ -103,7 +105,7 @@ BFMDemod::~BFMDemod()
}
DSPEngine::instance()->removeAudioSink(&m_audioFifo);
delete m_udpBufferAudio;
delete m_audioNetSink;
m_deviceAPI->removeChannelAPI(this);
m_deviceAPI->removeThreadedSink(m_threadedChannelizer);
@ -111,6 +113,11 @@ BFMDemod::~BFMDemod()
delete m_channelizer;
}
bool BFMDemod::isAudioNetSinkRTPCapable() const
{
return m_audioNetSink && m_audioNetSink->isRTPCapable();
}
void BFMDemod::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool firstOfBurst __attribute__((unused)))
{
Complex ci, cs, cr;
@ -236,13 +243,17 @@ void BFMDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
{
m_audioBuffer[m_audioBufferFill].l = (qint16)(deemph_l * (1<<12) * m_settings.m_volume);
m_audioBuffer[m_audioBufferFill].r = (qint16)(deemph_r * (1<<12) * m_settings.m_volume);
if (m_settings.m_copyAudioToUDP) m_udpBufferAudio->write(m_audioBuffer[m_audioBufferFill]);
if (m_settings.m_copyAudioToUDP) {
m_audioNetSink->write(m_audioBuffer[m_audioBufferFill]);
}
}
else
{
m_audioBuffer[m_audioBufferFill].l = (qint16)(deemph_l * (1<<12) * m_settings.m_volume);
m_audioBuffer[m_audioBufferFill].r = (qint16)(deemph_r * (1<<12) * m_settings.m_volume);
if (m_settings.m_copyAudioToUDP) m_udpBufferAudio->write(m_audioBuffer[m_audioBufferFill]);
if (m_settings.m_copyAudioToUDP) {
m_audioNetSink->write(m_audioBuffer[m_audioBufferFill]);
}
}
}
else
@ -252,7 +263,9 @@ void BFMDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
quint16 sample = (qint16)(deemph * (1<<12) * m_settings.m_volume);
m_audioBuffer[m_audioBufferFill].l = sample;
m_audioBuffer[m_audioBufferFill].r = sample;
if (m_settings.m_copyAudioToUDP) m_udpBufferAudio->write(m_audioBuffer[m_audioBufferFill]);
if (m_settings.m_copyAudioToUDP) {
m_audioNetSink->write(m_audioBuffer[m_audioBufferFill]);
}
}
++m_audioBufferFill;
@ -419,6 +432,7 @@ void BFMDemod::applySettings(const BFMDemodSettings& settings, bool force)
<< " m_showPilot: " << settings.m_showPilot
<< " m_rdsActive: " << settings.m_rdsActive
<< " m_copyAudioToUDP: " << settings.m_copyAudioToUDP
<< " m_copyAudioUseRTP" << settings.m_copyAudioUseRTP
<< " m_udpAddress: " << settings.m_udpAddress
<< " m_udpPort: " << settings.m_udpPort
<< " force: " << force;
@ -483,8 +497,27 @@ void BFMDemod::applySettings(const BFMDemodSettings& settings, bool force)
if ((settings.m_udpAddress != m_settings.m_udpAddress)
|| (settings.m_udpPort != m_settings.m_udpPort) || force)
{
m_udpBufferAudio->setAddress(const_cast<QString&>(settings.m_udpAddress));
m_udpBufferAudio->setPort(settings.m_udpPort);
m_audioNetSink->setDestination(settings.m_udpAddress, settings.m_udpPort);
}
if ((settings.m_copyAudioUseRTP != m_settings.m_copyAudioUseRTP) || force)
{
if (settings.m_copyAudioUseRTP)
{
if (m_audioNetSink->selectType(AudioNetSink::SinkRTP)) {
qDebug("BFMDemod::applySettings: set audio sink to RTP mode");
} else {
qWarning("BFMDemod::applySettings: RTP support for audio sink not available. Fall back too UDP");
}
}
else
{
if (m_audioNetSink->selectType(AudioNetSink::SinkUDP)) {
qDebug("BFMDemod::applySettings: set audio sink to UDP mode");
} else {
qWarning("BFMDemod::applySettings: failed to set audio sink to UDP mode");
}
}
}
m_settings = settings;

5
plugins/channelrx/demodbfm/bfmdemod.h
View File

@ -33,7 +33,6 @@
#include "dsp/phasediscri.h"
#include "audio/audiofifo.h"
#include "util/message.h"
#include "util/udpsink.h"
#include "rdsparser.h"
#include "rdsdecoder.h"
@ -43,6 +42,7 @@
class DeviceSourceAPI;
class ThreadedBasebandSampleSink;
class DownChannelizer;
class AudioNetSink;
class BFMDemod : public BasebandSampleSink, public ChannelSinkAPI {
public:
@ -153,6 +153,7 @@ public:
}
RDSParser& getRDSParser() { return m_rdsParser; }
bool isAudioNetSinkRTPCapable() const;
static const QString m_channelIdURI;
static const QString m_channelId;
@ -221,7 +222,7 @@ private:
static const int default_excursion = 750000; // +/- 75 kHz
PhaseDiscriminators m_phaseDiscri;
UDPSink<AudioSample> *m_udpBufferAudio;
AudioNetSink *m_audioNetSink;
static const int m_udpBlockSize;

11
plugins/channelrx/demodbfm/bfmdemodgui.cpp
View File

@ -207,6 +207,12 @@ void BFMDemodGUI::on_copyAudioToUDP_toggled(bool copy)
applySettings();
}
void BFMDemodGUI::on_useRTP_toggled(bool checked)
{
m_settings.m_copyAudioUseRTP = checked;
applySettings();
}
void BFMDemodGUI::on_showPilot_clicked()
{
m_settings.m_showPilot = ui->showPilot->isChecked();
@ -383,6 +389,7 @@ BFMDemodGUI::BFMDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseban
ui->g00AltFrequenciesBox->setEnabled(false);
ui->g14MappedFrequencies->setEnabled(false);
ui->g14AltFrequencies->setEnabled(false);
ui->useRTP->setEnabled(m_bfmDemod->isAudioNetSinkRTPCapable());
rdsUpdateFixedFields();
rdsUpdate(true);
@ -456,6 +463,10 @@ void BFMDemodGUI::displaySettings()
ui->rds->setChecked(m_settings.m_rdsActive);
ui->copyAudioToUDP->setChecked(m_settings.m_copyAudioToUDP);
if (m_bfmDemod->isAudioNetSinkRTPCapable()) {
ui->useRTP->setChecked(m_settings.m_copyAudioUseRTP);
}
blockApplySettings(false);
}

1
plugins/channelrx/demodbfm/bfmdemodgui.h
View File

@ -109,6 +109,7 @@ private slots:
void on_showPilot_clicked();
void on_rds_clicked();
void on_copyAudioToUDP_toggled(bool copy);
void on_useRTP_toggled(bool checked);
void on_g14ProgServiceNames_currentIndexChanged(int index);
void on_clearData_clicked(bool checked);
void on_g00AltFrequenciesBox_activated(int index);

13
plugins/channelrx/demodbfm/bfmdemodgui.ui
View File

@ -321,6 +321,19 @@
</property>
</widget>
</item>
<item>
<widget class="QToolButton" name="useRTP">
<property name="toolTip">
<string>Use RTP protocol for copy audio to UDP</string>
</property>
<property name="text">
<string>R</string>
</property>
<property name="checkable">
<bool>true</bool>
</property>
</widget>
</item>
</layout>
</item>
<item>

3
plugins/channelrx/demodbfm/bfmdemodsettings.cpp
View File

@ -47,6 +47,7 @@ void BFMDemodSettings::resetToDefaults()
m_showPilot = false;
m_rdsActive = false;
m_copyAudioToUDP = false;
m_copyAudioUseRTP = false;
m_udpAddress = "127.0.0.1";
m_udpPort = 9999;
m_rgbColor = QColor(80, 120, 228).rgb();
@ -75,6 +76,7 @@ QByteArray BFMDemodSettings::serialize() const
}
s.writeString(12, m_title);
s.writeBool(13, m_copyAudioUseRTP);
return s.final();
}
@ -123,6 +125,7 @@ bool BFMDemodSettings::deserialize(const QByteArray& data)
}
d.readString(12, &m_title, "Broadcast FM Demod");
d.readBool(13, &m_copyAudioUseRTP, false);
return true;
}

1
plugins/channelrx/demodbfm/bfmdemodsettings.h
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@ -34,6 +34,7 @@ struct BFMDemodSettings
bool m_showPilot;
bool m_rdsActive;
bool m_copyAudioToUDP;
bool m_copyAudioUseRTP;
QString m_udpAddress;
quint16 m_udpPort;
quint32 m_rgbColor;

2
plugins/channelrx/demodbfm/bfmplugin.cpp
View File

@ -25,7 +25,7 @@
const PluginDescriptor BFMPlugin::m_pluginDescriptor = {
QString("Broadcast FM Demodulator"),
QString("3.10.1"),
QString("3.12.0"),
QString("(c) Edouard Griffiths, F4EXB"),
QString("https://github.com/f4exb/sdrangel"),
true,