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Code Issues Projects Releases Wiki Activity

Correctness.

This commit is contained in:
Hexameron 2014-06-27 18:46:14 +01:00
parent 0203283876
commit cb8026b957
4 changed files with 7 additions and 5 deletions
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4
plugins/channel/ssb/ssbdemod.cpp
View File

@ -40,6 +40,7 @@ SSBDemod::SSBDemod(AudioFifo* audioFifo, SampleSink* sampleSink) :
m_audioBuffer.resize(512);
m_audioBufferFill = 0;
m_undersampleCount = 0;
}
SSBDemod::~SSBDemod()
@ -52,7 +53,6 @@ void SSBDemod::configure(MessageQueue* messageQueue, Real Bandwidth, Real volume
cmd->submit(messageQueue, this);
}
int undersamplecount = 0;
void SSBDemod::feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool positiveOnly)
{
Complex ci;
@ -69,7 +69,7 @@ void SSBDemod::feed(SampleVector::const_iterator begin, SampleVector::const_iter
demod = 32768.0 * m_lowpass.filter(demod * 0.7);
// Downsample by 4x for audio display
if (!(undersamplecount++ & 3))
if (!(m_undersampleCount++ & 3))
m_sampleBuffer.push_back(Sample(demod, 0.0));
qint16 sample = (qint16)(demod * m_volume);

1
plugins/channel/ssb/ssbdemod.h
View File

@ -72,6 +72,7 @@ private:
Real m_Bandwidth;
Real m_volume;
int m_undersampleCount;
int m_sampleRate;
int m_frequency;

6
plugins/samplesource/rtlsdr/rtlsdrthread.cpp
View File

@ -30,6 +30,7 @@ RTLSDRThread::RTLSDRThread(rtlsdr_dev_t* dev, SampleFifo* sampleFifo, QObject* p
m_sampleFifo(sampleFifo),
m_decimation(2)
{
m_localdecimation = 0;
}
RTLSDRThread::~RTLSDRThread()
@ -135,15 +136,14 @@ void RTLSDRThread::decimate16(SampleVector::iterator* it, const quint8* buf, qin
}
}
int localdecimation = 0;
void RTLSDRThread::callback(const quint8* buf, qint32 len)
{
qint16 xreal, yimag, phase;
SampleVector::iterator it = m_convertBuffer.begin();
int decimationFactor[] = {16, 8, 4, 2, 1, 0};
if (++localdecimation < decimationFactor[m_decimation]) return;
localdecimation = 0;
if (++m_localdecimation < decimationFactor[m_decimation]) return;
m_localdecimation = 0;
switch(m_decimation) {
case 0: // 1:1 = no decimation

1
plugins/samplesource/rtlsdr/rtlsdrthread.h
View File

@ -47,6 +47,7 @@ private:
SampleFifo* m_sampleFifo;
int m_decimation;
int m_localdecimation;
void run();