VE7UWU/sdrangel
1
0
Fork 0
mirror of https://github.com/f4exb/sdrangel.git synced 2025-08-09 17:22:27 -04:00
Code Issues Projects Releases Wiki Activity

ATV Demod: reviiewed horizontal sync

Browse Source
This commit is contained in:
f4exb 2017-04-03 02:11:02 +02:00
parent 7ad19f0140
commit e650f6d5bb
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
plugins/channelrx/demodatv/atvdemod.cpp
View File

@ -56,7 +56,7 @@ ATVDemod::ATVDemod(BasebandSampleSink* objScopeSink) :
m_DSBFilter(0), m_DSBFilter(0),
m_DSBFilterBuffer(0), m_DSBFilterBuffer(0),
m_DSBFilterBufferIndex(0), m_DSBFilterBufferIndex(0),
m_objAvgColIndex(2) m_objAvgColIndex(3)
{ {
setObjectName("ATVDemod"); setObjectName("ATVDemod");
@ -449,16 +449,19 @@ void ATVDemod::demod(Complex& c)
m_intColIndex = 0; m_intColIndex = 0;
blnNewLine = true; blnNewLine = true;
} }
else if (m_blnSynchroDetected // Valid H sync detected else if (m_objRunning.m_blnHSync && m_blnSynchroDetected // Valid H sync detected
&& (m_intColIndex > m_intNumberSamplePerLine - m_intNumberSamplePerTop) && (m_intColIndex > m_intNumberSamplePerLine - m_intNumberSamplePerTop)
&& (m_intColIndex < m_intNumberSamplePerLine + m_intNumberSamplePerTop)) && (m_intColIndex < m_intNumberSamplePerLine + m_intNumberSamplePerTop))
{ {
// qDebug("HSync: %d", m_intColIndex);
// m_intColIndex = 0;
m_intAvgColIndex = m_objAvgColIndex.run(m_intColIndex); m_intAvgColIndex = m_objAvgColIndex.run(m_intColIndex);
m_intColIndex = m_intColIndex - m_intAvgColIndex; m_intColIndex = m_intColIndex - m_intAvgColIndex;
blnNewLine = true; blnNewLine = true;
} }
else if (m_intColIndex >= m_intNumberSamplePerLine + 2) // No valid H sync else if (m_intColIndex >= m_intNumberSamplePerLine + m_intNumberSamplePerTop) // No valid H sync
{ {
//qDebug("HLine: %d", m_intColIndex);
m_intColIndex = 0; m_intColIndex = 0;
blnNewLine = true; blnNewLine = true;
} }