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SDRdaemon plugin: auto adaptive throttling preparation

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This commit is contained in:
f4exb
2016-03-15 06:13:52 +01:00
parent 47a3f534dd
commit 35db910ba9
6 changed files with 689 additions and 188 deletions
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plugins/samplesource/sdrdaemon/sdrdaemonudphandler.cpp
+8 -3
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@@ -42,7 +42,8 @@ SDRdaemonUDPHandler::SDRdaemonUDPHandler(SampleFifo *sampleFifo, MessageQueue *o
m_outputMessageQueueToGUI(outputMessageQueueToGUI),
m_tickCount(0),
m_samplesCount(0),
m_timer(0)
m_timer(0),
m_throttlems(SDRDAEMON_THROTTLE_MS)
{
m_udpBuf = new char[SDRdaemonBuffer::m_udpPayloadSize];
}
@@ -199,9 +200,13 @@ void SDRdaemonUDPHandler::connectTimer(const QTimer* timer)
void SDRdaemonUDPHandler::tick()
{
// TOOD: auto throttling
uint32_t readLengthSamples = (m_sdrDaemonBuffer.getSampleRate() * m_throttlems) / 1000;
uint32_t readLength = readLengthSamples * SDRdaemonBuffer::m_iqSampleSize;
// read samples directly feeding the SampleFifo (no callback)
m_sampleFifo->write(reinterpret_cast<quint8*>(m_sdrDaemonBuffer.readDataChunk()), m_chunksize);
m_samplesCount += m_chunksize / SDRdaemonBuffer::m_iqSampleSize;
m_sampleFifo->write(reinterpret_cast<quint8*>(m_sdrDaemonBuffer.readData(readLength)), readLength);
m_samplesCount += readLengthSamples;
if (m_tickCount < m_rateDivider)
{