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This commit is contained in:
John Greb
2014-11-06 21:03:17 +00:00
parent 86f256dbc4
commit a476f8a6f0
10 changed files with 53 additions and 89 deletions
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plugins/samplesource/v4l/v4lthread.cpp
+5 -10
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@@ -27,10 +27,9 @@ V4LThread::V4LThread(SampleFifo* sampleFifo, QObject* parent) :
m_running(false),
m_dev(1),
m_convertBuffer(BLOCKSIZE),
m_sampleFifo(sampleFifo),
m_decimation(2)
m_sampleFifo(sampleFifo)
{
m_localdecimation = 0;
m_samplerate = 2500000;
}
V4LThread::~V4LThread()
@@ -53,9 +52,9 @@ void V4LThread::stopWork()
wait();
}
void V4LThread::setDecimation(int decimation)
void V4LThread::setSamplerate(int samplerate)
{
m_decimation = decimation;
m_samplerate = samplerate;
}
void V4LThread::run()
@@ -140,12 +139,8 @@ void V4LThread::callback(const quint8* buf, qint32 len)
{
qint16 xreal, yimag, phase;
SampleVector::iterator it = m_convertBuffer.begin();
int decimationFactor[] = {1, 1, 1, 2, 4, 0};
if (++m_localdecimation < decimationFactor[m_decimation]) return;
m_localdecimation = 0;
switch(4 - m_decimation) {
switch(4) {
case 0: // 1:1 = no decimation
// just rotation
phase = -(1<<2);