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Fixes processing cap and attempts full-rate video output.

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Audio now seems to be present, though hugely stuttered.
This commit is contained in:
Thomas Harte 2020-06-06 19:47:35 -04:00
parent 378ff39e5e
commit fe1b6812f1
3 changed files with 17 additions and 2 deletions
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2
OSBindings/Qt/mainwindow.cpp
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@ -181,6 +181,8 @@ void MainWindow::launchMachine() {
audioOutput = std::make_unique<QAudioOutput>(idealFormat, this);
audioOutput->setBufferSize(samplesPerBuffer * (audioIsStereo ? 2 : 1) * (audioIs8bit ? 1 : 2));
qDebug() << idealFormat;
// Start the output.
speaker->set_delegate(this);
audioIODevice = audioOutput->start();

14
OSBindings/Qt/scantargetwidget.cpp
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@ -4,12 +4,16 @@
#include <QOpenGLContext>
#include <QTimer>
#include "../../ClockReceiver/TimeTypes.hpp"
ScanTargetWidget::ScanTargetWidget(QWidget *parent) : QOpenGLWidget(parent) {}
ScanTargetWidget::~ScanTargetWidget() {}
void ScanTargetWidget::initializeGL() {
glClearColor(0.5, 0.5, 1.0, 1.0);
// Follow each swapped frame with an additional update.
connect(this, SIGNAL(frameSwapped()), this, SLOT(update()));
// qDebug() << "share context: " << bool(context()->shareGroup());
}
@ -18,7 +22,15 @@ void ScanTargetWidget::paintGL() {
if(scanTarget) {
scanTarget->update(width(), height());
scanTarget->draw(width(), height());
QTimer::singleShot(500, this, SLOT(update())); // TODO: obviously this is nonsense.
// static int64_t start = 0;
// static int frames = 0;
// if(!start) start = Time::nanos_now();
// else {
// ++frames;
// const int64_t now = Time::nanos_now();
// qDebug() << double(frames) * 1e9 / double(now - start);
// }
}
}

3
OSBindings/Qt/timer.cpp
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@ -14,7 +14,8 @@ void Timer::setMachine(MachineTypes::TimedMachine *machine, std::mutex *machineM
void Timer::tick() {
const auto now = Time::nanos_now();
const auto duration = std::min(now - lastTickNanos, int64_t(500'000));
const auto duration = std::min(now - lastTickNanos, int64_t(500'000'000));
// qDebug() << duration << " [not " << now - lastTickNanos << "]";
lastTickNanos = now;
std::lock_guard lock_guard(*machineMutex);