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File Input: refactored FileInputThread to FileInputWorker object moved to thread (contribution from Vort). Fixes #562

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This commit is contained in:
f4exb 2020-07-11 06:45:16 +02:00
parent 252156ccbf
commit c75c35acad
5 changed files with 67 additions and 70 deletions
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4
plugins/samplesource/fileinput/CMakeLists.txt
View File

@ -3,7 +3,7 @@ project(fileinput)
set(fileinput_SOURCES
fileinput.cpp
fileinputplugin.cpp
fileinputthread.cpp
fileinputworker.cpp
fileinputsettings.cpp
fileinputwebapiadapter.cpp
)
@ -11,7 +11,7 @@ set(fileinput_SOURCES
set(fileinput_HEADERS
fileinput.h
fileinputplugin.h
fileinputthread.h
fileinputworker.h
fileinputsettings.h
fileinputwebapiadapter.h
)

64
plugins/samplesource/fileinput/fileinput.cpp
View File

@ -35,7 +35,7 @@
#include "device/deviceapi.h"
#include "fileinput.h"
#include "fileinputthread.h"
#include "fileinputworker.h"
MESSAGE_CLASS_DEFINITION(FileInput::MsgConfigureFileInput, Message)
MESSAGE_CLASS_DEFINITION(FileInput::MsgConfigureFileSourceName, Message)
@ -52,7 +52,7 @@ MESSAGE_CLASS_DEFINITION(FileInput::MsgReportHeaderCRC, Message)
FileInput::FileInput(DeviceAPI *deviceAPI) :
m_deviceAPI(deviceAPI),
m_settings(),
m_fileInputThread(nullptr),
m_fileInputWorker(nullptr),
m_deviceDescription(),
m_fileName("..."),
m_sampleRate(0),
@ -157,10 +157,10 @@ void FileInput::seekFileStream(int seekMillis)
{
QMutexLocker mutexLocker(&m_mutex);
if ((m_ifstream.is_open()) && m_fileInputThread && !m_fileInputThread->isRunning())
if ((m_ifstream.is_open()) && m_fileInputWorker && !m_fileInputWorker->isRunning())
{
quint64 seekPoint = ((m_recordLength * seekMillis) / 1000) * m_sampleRate;
m_fileInputThread->setSamplesCount(seekPoint);
m_fileInputWorker->setSamplesCount(seekPoint);
seekPoint *= (m_sampleSize == 24 ? 8 : 4); // + sizeof(FileSink::Header)
m_ifstream.clear();
m_ifstream.seekg(seekPoint + sizeof(FileRecord::Header), std::ios::beg);
@ -194,9 +194,11 @@ bool FileInput::start()
return false;
}
m_fileInputThread = new FileInputThread(&m_ifstream, &m_sampleFifo, m_masterTimer, &m_inputMessageQueue);
m_fileInputThread->setSampleRateAndSize(m_settings.m_accelerationFactor * m_sampleRate, m_sampleSize); // Fast Forward: 1 corresponds to live. 1/2 is half speed, 2 is double speed
m_fileInputThread->startWork();
m_fileInputWorker = new FileInputWorker(&m_ifstream, &m_sampleFifo, m_masterTimer, &m_inputMessageQueue);
m_fileInputWorker->moveToThread(&m_fileInputWorkerThread);
m_fileInputWorker->setSampleRateAndSize(m_settings.m_accelerationFactor * m_sampleRate, m_sampleSize); // Fast Forward: 1 corresponds to live. 1/2 is half speed, 2 is double speed
startWorker();
m_deviceDescription = "FileInput";
mutexLocker.unlock();
@ -215,11 +217,11 @@ void FileInput::stop()
qDebug() << "FileInput::stop";
QMutexLocker mutexLocker(&m_mutex);
if (m_fileInputThread)
if (m_fileInputWorker)
{
m_fileInputThread->stopWork();
delete m_fileInputThread;
m_fileInputThread = nullptr;
stopWorker();
delete m_fileInputWorker;
m_fileInputWorker = nullptr;
}
m_deviceDescription.clear();
@ -230,6 +232,20 @@ void FileInput::stop()
}
}
void FileInput::startWorker()
{
m_fileInputWorker->startWork();
m_fileInputWorkerThread.start();
}
void FileInput::stopWorker()
{
m_fileInputWorker->stopWork();
m_fileInputWorkerThread.quit();
m_fileInputWorkerThread.wait();
}
QByteArray FileInput::serialize() const
{
return m_settings.serialize();
@ -313,12 +329,12 @@ bool FileInput::handleMessage(const Message& message)
MsgConfigureFileInputWork& conf = (MsgConfigureFileInputWork&) message;
bool working = conf.isWorking();
if (m_fileInputThread != 0)
if (m_fileInputWorker != 0)
{
if (working) {
m_fileInputThread->startWork();
startWorker();
} else {
m_fileInputThread->stopWork();
stopWorker();
}
}
@ -336,11 +352,11 @@ bool FileInput::handleMessage(const Message& message)
{
MsgReportFileInputStreamTiming *report;
if (m_fileInputThread != 0)
if (m_fileInputWorker != 0)
{
if (getMessageQueueToGUI())
{
report = MsgReportFileInputStreamTiming::create(m_fileInputThread->getSamplesCount());
report = MsgReportFileInputStreamTiming::create(m_fileInputWorker->getSamplesCount());
getMessageQueueToGUI()->push(report);
}
}
@ -370,21 +386,21 @@ bool FileInput::handleMessage(const Message& message)
return true;
}
else if (FileInputThread::MsgReportEOF::match(message))
else if (FileInputWorker::MsgReportEOF::match(message))
{
qDebug() << "FileInput::handleMessage: MsgReportEOF";
m_fileInputThread->stopWork();
stopWorker();
if (getMessageQueueToGUI())
{
MsgReportFileInputStreamTiming *report = MsgReportFileInputStreamTiming::create(m_fileInputThread->getSamplesCount());
MsgReportFileInputStreamTiming *report = MsgReportFileInputStreamTiming::create(m_fileInputWorker->getSamplesCount());
getMessageQueueToGUI()->push(report);
}
if (m_settings.m_loop)
{
seekFileStream(0);
m_fileInputThread->startWork();
startWorker();
}
else
{
@ -415,14 +431,14 @@ bool FileInput::applySettings(const FileInputSettings& settings, bool force)
{
reverseAPIKeys.append("accelerationFactor");
if (m_fileInputThread)
if (m_fileInputWorker)
{
QMutexLocker mutexLocker(&m_mutex);
if (!m_sampleFifo.setSize(m_settings.m_accelerationFactor * m_sampleRate * sizeof(Sample))) {
qCritical("FileInput::applySettings: could not reallocate sample FIFO size to %lu",
m_settings.m_accelerationFactor * m_sampleRate * sizeof(Sample));
}
m_fileInputThread->setSampleRateAndSize(settings.m_accelerationFactor * m_sampleRate, m_sampleSize); // Fast Forward: 1 corresponds to live. 1/2 is half speed, 2 is double speed
m_fileInputWorker->setSampleRateAndSize(settings.m_accelerationFactor * m_sampleRate, m_sampleSize); // Fast Forward: 1 corresponds to live. 1/2 is half speed, 2 is double speed
}
}
@ -571,8 +587,8 @@ void FileInput::webapiFormatDeviceReport(SWGSDRangel::SWGDeviceReport& response)
qint64 t_msec = 0;
quint64 samplesCount = 0;
if (m_fileInputThread) {
samplesCount = m_fileInputThread->getSamplesCount();
if (m_fileInputWorker) {
samplesCount = m_fileInputWorker->getSamplesCount();
}
if (m_sampleRate > 0)

9
plugins/samplesource/fileinput/fileinput.h
View File

@ -25,6 +25,8 @@
#include <QString>
#include <QByteArray>
#include <QTimer>
#include <QThread>
#include <QMutex>
#include <QNetworkRequest>
#include "dsp/devicesamplesource.h"
@ -32,7 +34,7 @@
class QNetworkAccessManager;
class QNetworkReply;
class FileInputThread;
class FileInputWorker;
class DeviceAPI;
class FileInput : public DeviceSampleSource {
@ -333,7 +335,8 @@ public:
QMutex m_mutex;
FileInputSettings m_settings;
std::ifstream m_ifstream;
FileInputThread* m_fileInputThread;
FileInputWorker* m_fileInputWorker;
QThread m_fileInputWorkerThread;
QString m_deviceDescription;
QString m_fileName;
int m_sampleRate;
@ -345,6 +348,8 @@ public:
QNetworkAccessManager *m_networkManager;
QNetworkRequest m_networkRequest;
void startWorker();
void stopWorker();
void openFileStream();
void seekFileStream(int seekMillis);
bool applySettings(const FileInputSettings& settings, bool force = false);

42
plugins/samplesource/fileinput/fileinputthread.cpp → plugins/samplesource/fileinput/fileinputworker.cpp
View File

@ -21,18 +21,18 @@
#include <QDebug>
#include "dsp/filerecord.h"
#include "fileinputthread.h"
#include "fileinputworker.h"
#include "dsp/samplesinkfifo.h"
#include "util/messagequeue.h"
MESSAGE_CLASS_DEFINITION(FileInputThread::MsgReportEOF, Message)
MESSAGE_CLASS_DEFINITION(FileInputWorker::MsgReportEOF, Message)
FileInputThread::FileInputThread(std::ifstream *samplesStream,
FileInputWorker::FileInputWorker(std::ifstream *samplesStream,
SampleSinkFifo* sampleFifo,
const QTimer& timer,
MessageQueue *fileInputMessageQueue,
QObject* parent) :
QThread(parent),
QObject(parent),
m_running(false),
m_ifstream(samplesStream),
m_fileBuf(0),
@ -52,7 +52,7 @@ FileInputThread::FileInputThread(std::ifstream *samplesStream,
assert(m_ifstream != 0);
}
FileInputThread::~FileInputThread()
FileInputWorker::~FileInputWorker()
{
if (m_running) {
stopWork();
@ -67,20 +67,16 @@ FileInputThread::~FileInputThread()
}
}
void FileInputThread::startWork()
void FileInputWorker::startWork()
{
qDebug() << "FileInputThread::startWork: ";
if (m_ifstream->is_open())
{
qDebug() << "FileInputThread::startWork: file stream open, starting...";
m_startWaitMutex.lock();
m_elapsedTimer.start();
start();
while(!m_running)
m_startWaiter.wait(&m_startWaitMutex, 100);
m_startWaitMutex.unlock();
connect(&m_timer, SIGNAL(timeout()), this, SLOT(tick()));
m_running = true;
}
else
{
@ -88,15 +84,14 @@ void FileInputThread::startWork()
}
}
void FileInputThread::stopWork()
void FileInputWorker::stopWork()
{
qDebug() << "FileInputThread::stopWork";
disconnect(&m_timer, SIGNAL(timeout()), this, SLOT(tick()));
m_running = false;
wait();
}
void FileInputThread::setSampleRateAndSize(int samplerate, quint32 samplesize)
void FileInputWorker::setSampleRateAndSize(int samplerate, quint32 samplesize)
{
qDebug() << "FileInputThread::setSampleRateAndSize:"
<< " new rate:" << samplerate
@ -121,7 +116,7 @@ void FileInputThread::setSampleRateAndSize(int samplerate, quint32 samplesize)
//m_samplerate = samplerate;
}
void FileInputThread::setBuffers(std::size_t chunksize)
void FileInputWorker::setBuffers(std::size_t chunksize)
{
if (chunksize > m_bufsize)
{
@ -159,20 +154,7 @@ void FileInputThread::setBuffers(std::size_t chunksize)
}
}
void FileInputThread::run()
{
m_running = true;
m_startWaiter.wakeAll();
while(m_running) // actual work is in the tick() function
{
sleep(1);
}
m_running = false;
}
void FileInputThread::tick()
void FileInputWorker::tick()
{
if (m_running)
{
@ -203,7 +185,7 @@ void FileInputThread::tick()
}
}
void FileInputThread::writeToSampleFifo(const quint8* buf, qint32 nbBytes)
void FileInputWorker::writeToSampleFifo(const quint8* buf, qint32 nbBytes)
{
if (m_samplesize == 16)
{

18
plugins/samplesource/fileinput/fileinputthread.h → plugins/samplesource/fileinput/fileinputworker.h
View File

@ -15,12 +15,9 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_FILEINPUTTHREAD_H
#define INCLUDE_FILEINPUTTHREAD_H
#ifndef INCLUDE_FILEINPUTWORKER_H
#define INCLUDE_FILEINPUTWORKER_H
#include <QThread>
#include <QMutex>
#include <QWaitCondition>
#include <QTimer>
#include <QElapsedTimer>
#include <iostream>
@ -35,7 +32,7 @@
class SampleSinkFifo;
class MessageQueue;
class FileInputThread : public QThread {
class FileInputWorker : public QObject {
Q_OBJECT
public:
@ -53,12 +50,12 @@ public:
{ }
};
FileInputThread(std::ifstream *samplesStream,
FileInputWorker(std::ifstream *samplesStream,
SampleSinkFifo* sampleFifo,
const QTimer& timer,
MessageQueue *fileInputMessageQueue,
QObject* parent = NULL);
~FileInputThread();
~FileInputWorker();
void startWork();
void stopWork();
@ -69,8 +66,6 @@ public:
void setSamplesCount(quint64 samplesCount) { m_samplesCount = samplesCount; }
private:
QMutex m_startWaitMutex;
QWaitCondition m_startWaiter;
volatile bool m_running;
std::ifstream* m_ifstream;
@ -90,7 +85,6 @@ private:
QElapsedTimer m_elapsedTimer;
bool m_throttleToggle;
void run();
//void decimate1(SampleVector::iterator* it, const qint16* buf, qint32 len);
void writeToSampleFifo(const quint8* buf, qint32 nbBytes);
@ -98,4 +92,4 @@ private slots:
void tick();
};
#endif // INCLUDE_FILEINPUTTHREAD_H
#endif // INCLUDE_FILEINPUTWORKER_H