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ATV Modulator: adjustable vestigial sideband ratio

This commit is contained in:
f4exb 2017-03-16 03:23:58 +01:00
parent df88215798
commit d513b222e6
5 changed files with 78 additions and 12 deletions

View File

@ -105,7 +105,8 @@ void ATVMod::configure(MessageQueue* messageQueue,
bool videoPlayLoop,
bool videoPlay,
bool cameraPlay,
bool channelMute)
bool channelMute,
Real vestigialRatio)
{
Message* cmd = MsgConfigureATVMod::create(
rfBandwidth,
@ -116,7 +117,8 @@ void ATVMod::configure(MessageQueue* messageQueue,
videoPlayLoop,
videoPlay,
cameraPlay,
channelMute);
channelMute,
vestigialRatio);
messageQueue->push(cmd);
}
@ -238,7 +240,7 @@ Complex& ATVMod::modulateVestigialSSB(Real& sample)
Complex ci(sample, 0.0f);
fftfilt::cmplx *filtered;
n_out = m_DSBFilter->runVestigial(ci, &filtered, m_running.m_atvModulation == ATVModulationVestigialUSB, 0.15f);
n_out = m_DSBFilter->runVestigial(ci, &filtered, m_running.m_atvModulation == ATVModulationVestigialUSB, m_running.m_vestigialRatio);
if (n_out > 0)
{
@ -518,6 +520,7 @@ bool ATVMod::handleMessage(const Message& cmd)
m_config.m_videoPlay = cfg.getVideoPlay();
m_config.m_cameraPlay = cfg.getCameraPlay();
m_config.m_channelMute = cfg.getChannelMute();
m_config.m_vestigialRatio = cfg.getVestigialRatio();
apply();
@ -530,7 +533,8 @@ bool ATVMod::handleMessage(const Message& cmd)
<< " m_videoPlayLoop: " << m_config.m_videoPlayLoop
<< " m_videoPlay: " << m_config.m_videoPlay
<< " m_cameraPlay: " << m_config.m_cameraPlay
<< " m_channelMute: " << m_config.m_channelMute;
<< " m_channelMute: " << m_config.m_channelMute
<< " m_vestigialRatio: " << m_config.m_vestigialRatio;
return true;
}
@ -677,6 +681,7 @@ void ATVMod::apply(bool force)
m_running.m_videoPlay = m_config.m_videoPlay;
m_running.m_cameraPlay = m_config.m_cameraPlay;
m_running.m_channelMute = m_config.m_channelMute;
m_running.m_vestigialRatio = m_config.m_vestigialRatio;
}
int ATVMod::getSampleRateUnits(ATVStd std)

View File

@ -315,7 +315,8 @@ public:
bool videoPlayLoop,
bool videoPlay,
bool cameraPLay,
bool channelMute);
bool channelMute,
Real vestigialRatio);
virtual void pull(Sample& sample);
virtual void pullAudio(int nbSamples); // this is used for video signal actually
@ -353,6 +354,7 @@ private:
bool getVideoPlay() const { return m_videoPlay; }
bool getCameraPlay() const { return m_cameraPlay; }
bool getChannelMute() const { return m_channelMute; }
Real getVestigialRatio() const { return m_vestigialRatio; }
static MsgConfigureATVMod* create(
Real rfBandwidth,
@ -363,7 +365,8 @@ private:
bool videoPlayLoop,
bool videoPlay,
bool cameraPlay,
bool channelMute)
bool channelMute,
Real vestigialRatio)
{
return new MsgConfigureATVMod(
rfBandwidth,
@ -374,7 +377,8 @@ private:
videoPlayLoop,
videoPlay,
cameraPlay,
channelMute);
channelMute,
vestigialRatio);
}
private:
@ -387,6 +391,7 @@ private:
bool m_videoPlay;
bool m_cameraPlay;
bool m_channelMute;
Real m_vestigialRatio;
MsgConfigureATVMod(
Real rfBandwidth,
@ -397,7 +402,8 @@ private:
bool videoPlayLoop,
bool videoPlay,
bool cameraPlay,
bool channelMute) :
bool channelMute,
Real vestigialRatio) :
Message(),
m_rfBandwidth(rfBandwidth),
m_atvStd(atvStd),
@ -407,7 +413,8 @@ private:
m_videoPlayLoop(videoPlayLoop),
m_videoPlay(videoPlay),
m_cameraPlay(cameraPlay),
m_channelMute(channelMute)
m_channelMute(channelMute),
m_vestigialRatio(vestigialRatio)
{ }
};
@ -452,6 +459,7 @@ private:
bool m_videoPlay; //!< True to play video and false to pause
bool m_cameraPlay; //!< True to play camera video and false to pause
bool m_channelMute; //!< Mute channel baseband output
Real m_vestigialRatio; //!< Vestigial sideband ratio to half bandwidth
Config() :
m_outputSampleRate(-1),
@ -464,7 +472,8 @@ private:
m_videoPlayLoop(false),
m_videoPlay(false),
m_cameraPlay(false),
m_channelMute(false)
m_channelMute(false),
m_vestigialRatio(0.1f)
{ }
};

View File

@ -76,6 +76,7 @@ void ATVModGUI::resetToDefaults()
ui->inputSelect->setCurrentIndex(0);
ui->deltaFrequency->setValue(0);
ui->modulation->setCurrentIndex(0);
ui->vestigial->setValue(10);
blockApplySettings(false);
applySettings();
@ -91,6 +92,7 @@ QByteArray ATVModGUI::serialize() const
s.writeS32(4, ui->standard->currentIndex());
s.writeS32(5, ui->inputSelect->currentIndex());
s.writeU32(6, m_channelMarker.getColor().rgb());
s.writeS32(7, ui->vestigial->value());
s.writeS32(8, ui->modulation->currentIndex());
return s.final();
@ -131,6 +133,8 @@ bool ATVModGUI::deserialize(const QByteArray& data)
m_channelMarker.setColor(u32tmp);
}
d.readS32(7, &tmp, 10);
ui->vestigial->setValue(tmp);
d.readS32(8, &tmp, 0);
ui->modulation->setCurrentIndex(tmp);
@ -273,6 +277,12 @@ void ATVModGUI::on_modulation_currentIndexChanged(int index)
applySettings();
}
void ATVModGUI::on_vestigial_valueChanged(int value)
{
ui->vestigialText->setText(QString("%1").arg(value));
applySettings();
}
void ATVModGUI::on_rfBW_valueChanged(int value)
{
ui->rfBWText->setText(QString("%1 MHz").arg(value / 10.0, 0, 'f', 1));
@ -509,7 +519,8 @@ void ATVModGUI::applySettings()
ui->playLoop->isChecked(),
ui->playVideo->isChecked(),
ui->playCamera->isChecked(),
ui->channelMute->isChecked());
ui->channelMute->isChecked(),
ui->vestigial->value() / 100.0f);
}
}

View File

@ -64,6 +64,7 @@ private slots:
void on_deltaMinus_toggled(bool minus);
void on_channelMute_toggled(bool checked);
void on_modulation_currentIndexChanged(int index);
void on_vestigial_valueChanged(int value);
void on_rfBW_valueChanged(int value);
void on_standard_currentIndexChanged(int index);
void on_uniformLevel_valueChanged(int value);

View File

@ -233,10 +233,50 @@
</item>
</widget>
</item>
<item>
<widget class="QLabel" name="vestiigialLabel">
<property name="text">
<string>V</string>
</property>
</widget>
</item>
<item>
<widget class="QDial" name="vestigial">
<property name="maximumSize">
<size>
<width>24</width>
<height>24</height>
</size>
</property>
<property name="toolTip">
<string>Vestigial sideband percentage</string>
</property>
<property name="pageStep">
<number>1</number>
</property>
<property name="value">
<number>10</number>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="vestigialText">
<property name="text">
<string>99</string>
</property>
</widget>
</item>
<item>
<widget class="Line" name="line_7">
<property name="orientation">
<enum>Qt::Vertical</enum>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="rfBWLabel">
<property name="text">
<string>RFBW</string>
<string>BW</string>
</property>
</widget>
</item>