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RTLSDR: Apply driver settings in RTLSDRThread, to avoid blocking main thread. Add sync read for WebAssembly.

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This commit is contained in:
srcejon
2024-10-15 08:40:08 +01:00
parent 4a9b1c3bbe
commit acb278bbff
3 changed files with 252 additions and 202 deletions
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plugins/samplesource/rtlsdr/rtlsdrthread.h
+14 -9
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@@ -26,6 +26,8 @@
#include <QWaitCondition>
#include <rtl-sdr.h>
#include "rtlsdrsettings.h"
#include "dsp/replaybuffer.h"
#include "dsp/samplesinkfifo.h"
#include "dsp/decimatorsu.h"
@@ -34,15 +36,12 @@ class RTLSDRThread : public QThread {
Q_OBJECT
public:
RTLSDRThread(rtlsdr_dev_t* dev, SampleSinkFifo* sampleFifo, ReplayBuffer<quint8> *replayBuffer, QObject* parent = NULL);
RTLSDRThread(rtlsdr_dev_t* dev, SampleSinkFifo* sampleFifo, ReplayBuffer<quint8> *replayBuffer, const RTLSDRSettings& settings, QObject* parent = NULL);
~RTLSDRThread();
void startWork();
void stopWork();
void setSamplerate(int samplerate);
void setLog2Decimation(unsigned int log2_decim);
void setFcPos(int fcPos);
void setIQOrder(bool iqOrder) { m_iqOrder = iqOrder; }
MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; }
private:
QMutex m_startWaitMutex;
@@ -54,10 +53,8 @@ private:
SampleSinkFifo* m_sampleFifo;
ReplayBuffer<quint8> *m_replayBuffer;
int m_samplerate;
unsigned int m_log2Decim;
int m_fcPos;
bool m_iqOrder;
RTLSDRSettings m_settings;
MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
DecimatorsU<qint32, quint8, SDR_RX_SAMP_SZ, 8, 127, true> m_decimatorsIQ;
DecimatorsU<qint32, quint8, SDR_RX_SAMP_SZ, 8, 127, false> m_decimatorsQI;
@@ -66,7 +63,15 @@ private:
void callbackIQ(const quint8* buf, qint32 len);
void callbackQI(const quint8* buf, qint32 len);
bool handleMessage(const Message& cmd);
bool applySettings(const RTLSDRSettings& settings, const QStringList& settingsKeys, bool force);
#ifndef __EMSCRIPTEN__
static void callbackHelper(unsigned char* buf, uint32_t len, void* ctx);
#endif
private slots:
void handleInputMessages();
};
#endif // INCLUDE_RTLSDRTHREAD_H