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ATV Demod: resize screen appropriately according to TV standard

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This commit is contained in:
f4exb 2017-03-27 02:29:02 +02:00
parent 044fe0565d
commit 27f85da812
6 changed files with 92 additions and 10 deletions
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54
plugins/channelrx/demodatv/atvdemod.cpp
View File

@ -77,6 +77,8 @@ ATVDemod::ATVDemod(BasebandSampleSink* objScopeSink) :
memset((void*)m_fltBufferQ,0,6*sizeof(float));
m_objPhaseDiscri.setFMScaling(1.0f);
applyStandard();
}
ATVDemod::~ATVDemod()
@ -93,6 +95,7 @@ void ATVDemod::configure(
float fltLineDurationUs,
float fltTopDurationUs,
float fltFramePerS,
ATVStd enmATVStandard,
float fltRatioOfRowsToDisplay,
float fltVoltLevelSynchroTop,
float fltVoltLevelSynchroBlack,
@ -105,6 +108,7 @@ void ATVDemod::configure(
fltLineDurationUs,
fltTopDurationUs,
fltFramePerS,
enmATVStandard,
fltRatioOfRowsToDisplay,
fltVoltLevelSynchroTop,
fltVoltLevelSynchroBlack,
@ -442,7 +446,7 @@ void ATVDemod::demod(Complex& c)
if (blnComputeImage)
{
m_objRegisteredATVScreen->setDataColor(m_intColIndex,intVal, intVal, intVal);
m_objRegisteredATVScreen->setDataColor(m_intColIndex - m_intNumberSamplePerTop, intVal, intVal, intVal);
}
m_intColIndex++;
@ -508,7 +512,7 @@ void ATVDemod::demod(Complex& c)
if(blnComputeImage)
{
m_objRegisteredATVScreen->selectRow(m_intRowIndex);
m_objRegisteredATVScreen->selectRow(m_intRowIndex - m_intNumberOfSyncLines);
}
}
}
@ -532,7 +536,7 @@ void ATVDemod::demod(Complex& c)
if(m_intRowIndex<m_intNumberOfLines)
{
m_objRegisteredATVScreen->selectRow(m_intRowIndex);
m_objRegisteredATVScreen->selectRow(m_intRowIndex - m_intNumberOfSyncLines);
}
m_blnLineSynchronized=false;
@ -561,7 +565,7 @@ void ATVDemod::demod(Complex& c)
if(blnComputeImage)
{
m_objRegisteredATVScreen->selectRow(m_intRowIndex);
m_objRegisteredATVScreen->selectRow(m_intRowIndex - m_intNumberOfSyncLines);
}
//Rendering when odd image processed
@ -730,7 +734,8 @@ void ATVDemod::applySettings()
|| (m_objConfig.m_fltLineDuration != m_objRunning.m_fltLineDuration)
|| (m_objConfig.m_intSampleRate != m_objRunning.m_intSampleRate)
|| (m_objConfig.m_fltTopDuration != m_objRunning.m_fltTopDuration)
|| (m_objConfig.m_fltRatioOfRowsToDisplay != m_objRunning.m_fltRatioOfRowsToDisplay))
|| (m_objConfig.m_fltRatioOfRowsToDisplay != m_objRunning.m_fltRatioOfRowsToDisplay)
|| (m_objConfig.m_enmATVStandard != m_objRunning.m_enmATVStandard))
{
m_objSettingsMutex.lock();
@ -738,15 +743,21 @@ void ATVDemod::applySettings()
m_intNumberSamplePerLine = (int) (m_objConfig.m_fltLineDuration * m_objConfig.m_intSampleRate);
m_intNumberOfRowsToDisplay = (int) (m_objConfig.m_fltRatioOfRowsToDisplay * m_objConfig.m_fltLineDuration * m_objConfig.m_intSampleRate);
m_intNumberSamplePerTop = (int) (m_objConfig.m_fltTopDuration * m_objConfig.m_intSampleRate);
applyStandard();
m_objRegisteredATVScreen->resizeATVScreen(
m_intNumberSamplePerLine - (m_intNumberSamplePerTop+m_intNumberSamplePerEndOfLine),
m_intNumberOfLines - m_intNumberOfBlackLines);
qDebug() << "ATVDemod::applySettings:"
<< " m_fltLineDuration: " << m_objConfig.m_fltLineDuration
<< " m_fltFramePerS: " << m_objConfig.m_fltFramePerS
<< " m_intNumberOfLines: " << m_intNumberOfLines
<< " m_intNumberSamplePerLine: " << m_intNumberSamplePerLine
<< " m_intNumberOfRowsToDisplay: " << m_intNumberOfRowsToDisplay;
m_intNumberSamplePerTop = (int) (m_objConfig.m_fltTopDuration * m_objConfig.m_intSampleRate);
m_objRegisteredATVScreen->resizeATVScreen(m_intNumberSamplePerLine, m_intNumberOfLines);
<< " m_intNumberOfRowsToDisplay: " << m_intNumberOfRowsToDisplay
<< " m_intNumberOfBlackLines: " << m_intNumberOfBlackLines;
m_intRowsLimit = m_intNumberOfLines-1;
m_intImageIndex = 0;
@ -803,6 +814,31 @@ void ATVDemod::applySettings()
m_objRunningPrivate = m_objConfigPrivate;
}
void ATVDemod::applyStandard()
{
switch(m_objConfig.m_enmATVStandard)
{
case ATVStd405: // Follows loosely the 405 lines standard
// what is left in a 64 us line for the image
m_intNumberOfSyncLines = 24; // (15+7)*2 - 20
m_intNumberOfBlackLines = 28; // above + 4
break;
case ATVStdPAL525: // Follows PAL-M standard
// what is left in a 64/1.008 us line for the image
m_intNumberOfSyncLines = 40; // (15+15)*2 - 20
m_intNumberOfBlackLines = 44; // above + 4
break;
case ATVStdPAL625: // Follows PAL-B/G/H standard
default:
// what is left in a 64 us line for the image
m_intNumberOfSyncLines = 44; // (15+17)*2 - 20
m_intNumberOfBlackLines = 48; // above + 4
}
// for now all standards apply this
m_intNumberSamplePerEndOfLine = (int) ((7.3f/64.0f)*m_objConfig.m_fltLineDuration * m_objConfig.m_intSampleRate);
}
int ATVDemod::getSampleRate()
{
return m_objRunning.m_intSampleRate;

18
plugins/channelrx/demodatv/atvdemod.h
View File

@ -45,6 +45,13 @@ class ATVDemod : public BasebandSampleSink
public:
enum ATVStd
{
ATVStdPAL625,
ATVStdPAL525,
ATVStd405
};
enum ATVModulation {
ATV_FM1, //!< Classical frequency modulation with discriminator #1
ATV_FM2, //!< Classical frequency modulation with discriminator #2
@ -57,6 +64,7 @@ public:
struct ATVConfig
{
int m_intSampleRate;
ATVStd m_enmATVStandard;
float m_fltLineDuration;
float m_fltTopDuration;
float m_fltFramePerS;
@ -70,6 +78,7 @@ public:
ATVConfig() :
m_intSampleRate(0),
m_enmATVStandard(ATVStdPAL625),
m_fltLineDuration(0.0f),
m_fltTopDuration(0.0f),
m_fltFramePerS(0.0f),
@ -139,6 +148,7 @@ public:
float fltLineDurationUs,
float fltTopDurationUs,
float fltFramePerS,
ATVStd enmATVStandard,
float fltRatioOfRowsToDisplay,
float fltVoltLevelSynchroTop,
float fltVoltLevelSynchroBlack,
@ -186,6 +196,7 @@ private:
float fltLineDurationUs,
float fltTopDurationUs,
float fltFramePerS,
ATVStd enmATVStandard,
float fltRatioOfRowsToDisplay,
float fltVoltLevelSynchroTop,
float fltVoltLevelSynchroBlack,
@ -198,6 +209,7 @@ private:
fltLineDurationUs,
fltTopDurationUs,
fltFramePerS,
enmATVStandard,
fltRatioOfRowsToDisplay,
fltVoltLevelSynchroTop,
fltVoltLevelSynchroBlack,
@ -214,6 +226,7 @@ private:
float fltLineDurationUs,
float fltTopDurationUs,
float fltFramePerS,
ATVStd enmATVStandard,
float flatRatioOfRowsToDisplay,
float fltVoltLevelSynchroTop,
float fltVoltLevelSynchroBlack,
@ -226,6 +239,7 @@ private:
m_objMsgConfig.m_fltVoltLevelSynchroBlack = fltVoltLevelSynchroBlack;
m_objMsgConfig.m_fltVoltLevelSynchroTop = fltVoltLevelSynchroTop;
m_objMsgConfig.m_fltFramePerS = fltFramePerS;
m_objMsgConfig.m_enmATVStandard = enmATVStandard;
m_objMsgConfig.m_fltLineDuration = fltLineDurationUs;
m_objMsgConfig.m_fltTopDuration = fltTopDurationUs;
m_objMsgConfig.m_fltRatioOfRowsToDisplay = flatRatioOfRowsToDisplay;
@ -295,6 +309,9 @@ private:
int m_intNumberSamplePerTop;
int m_intNumberOfLines;
int m_intNumberOfRowsToDisplay;
int m_intNumberOfSyncLines;
int m_intNumberOfBlackLines;
int m_intNumberSamplePerEndOfLine;
//*************** PROCESSING ***************
@ -358,6 +375,7 @@ private:
QMutex m_objSettingsMutex;
void applySettings();
void applyStandard();
void demod(Complex& c);
static float getRFBandwidthDivisor(ATVModulation modulation);
};

6
plugins/channelrx/demodatv/atvdemodgui.cpp
View File

@ -368,6 +368,7 @@ void ATVDemodGUI::applySettings()
getNominalLineTime(ui->nbLines->currentIndex(), ui->fps->currentIndex()) + ui->lineTime->value() * m_fltLineTimeMultiplier,
getNominalLineTime(ui->nbLines->currentIndex(), ui->fps->currentIndex()) * (4.7f / 64.0f) + ui->topTime->value() * m_fltTopTimeMultiplier,
getFps(ui->fps->currentIndex()),
(ATVDemod::ATVStd) ui->standard->currentIndex(),
(ui->halfImage->checkState() == Qt::Checked) ? 0.5f : 1.0f,
ui->synchLevel->value() / 1000.0f,
ui->blackLevel->value() / 1000.0f,
@ -552,6 +553,11 @@ void ATVDemodGUI::on_fps_currentIndexChanged(int index)
applySettings();
}
void ATVDemodGUI::on_standard_currentIndexChanged(int index)
{
applySettings();
}
void ATVDemodGUI::on_reset_clicked(bool checked)
{
resetToDefaults();

1
plugins/channelrx/demodatv/atvdemodgui.h
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@ -75,6 +75,7 @@ private slots:
void on_modulation_currentIndexChanged(int index);
void on_nbLines_currentIndexChanged(int index);
void on_fps_currentIndexChanged(int index);
void on_standard_currentIndexChanged(int index);
void on_reset_clicked(bool checked);
void on_rfBW_valueChanged(int value);
void on_rfOppBW_valueChanged(int value);

22
plugins/channelrx/demodatv/atvdemodgui.ui
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@ -545,6 +545,28 @@
</item>
</widget>
</item>
<item>
<widget class="QComboBox" name="standard">
<property name="toolTip">
<string>TV standard scheme</string>
</property>
<item>
<property name="text">
<string>PAL625L</string>
</property>
</item>
<item>
<property name="text">
<string>PAL525L</string>
</property>
</item>
<item>
<property name="text">
<string>405L</string>
</property>
</item>
</widget>
</item>
<item>
<widget class="QCheckBox" name="hSync">
<property name="toolTip">

1
plugins/channeltx/modatv/atvmod.h
View File

@ -42,7 +42,6 @@ public:
{
ATVStdPAL625,
ATVStdPAL525,
ATVStd525L20F,
ATVStd405
} ATVStd;