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Corrects missing audio, at the cost of frame rate.

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I'm now spinning on the ability of QAudioOutput to accept additional data.
This commit is contained in:
Thomas Harte 2020-06-06 22:35:50 -04:00
parent 68b165e244
commit 7c7cb61d2f
1 changed files with 8 additions and 2 deletions
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10
OSBindings/Qt/mainwindow.cpp
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@ -180,7 +180,7 @@ void MainWindow::launchMachine() {
// are available, and — at least for now — assume 512 samples/buffer is a good size.
audioIsStereo = (idealFormat.channelCount() > 1) && speaker->get_is_stereo();
audioIs8bit = idealFormat.sampleSize() < 16;
const int samplesPerBuffer = 65536;
const int samplesPerBuffer = 512;
speaker->set_output_rate(idealFormat.sampleRate(), samplesPerBuffer, audioIsStereo);
// Adjust format appropriately, and create an audio output.
@ -322,7 +322,13 @@ bool MainWindow::eventFilter(QObject *obj, QEvent *event) {
case QEvent::User: {
const auto audioEvent = dynamic_cast<AudioEvent *>(event);
if(audioEvent) {
audioIODevice->write(reinterpret_cast<const char *>(audioEvent->audio.data()), qint64(audioEvent->audio.size()));
const char *buffer = reinterpret_cast<const char *>(audioEvent->audio.data());
size_t sizeLeft = audioEvent->audio.size() * sizeof(int16_t);
while(sizeLeft) {
const auto bytesWritten = audioIODevice->write(buffer, qint64(sizeLeft));
sizeLeft -= bytesWritten;
buffer += bytesWritten;
}
}
} break;