diff options
Diffstat (limited to 'examples/multimedia/audiorecorder/audiorecorder.cpp')
-rw-r--r-- | examples/multimedia/audiorecorder/audiorecorder.cpp | 57 |
1 files changed, 33 insertions, 24 deletions
diff --git a/examples/multimedia/audiorecorder/audiorecorder.cpp b/examples/multimedia/audiorecorder/audiorecorder.cpp index 2291fed52..7d942255a 100644 --- a/examples/multimedia/audiorecorder/audiorecorder.cpp +++ b/examples/multimedia/audiorecorder/audiorecorder.cpp @@ -114,6 +114,8 @@ AudioRecorder::AudioRecorder(QWidget *parent) : SLOT(updateProgress(qint64))); connect(audioRecorder, SIGNAL(statusChanged(QMediaRecorder::Status)), this, SLOT(updateStatus(QMediaRecorder::Status))); + connect(audioRecorder, SIGNAL(stateChanged(QMediaRecorder::State)), + this, SLOT(onStateChanged(QMediaRecorder::State))); connect(audioRecorder, SIGNAL(error(QMediaRecorder::Error)), this, SLOT(displayErrorMessage())); } @@ -138,47 +140,44 @@ void AudioRecorder::updateStatus(QMediaRecorder::Status status) switch (status) { case QMediaRecorder::RecordingStatus: - if (audioLevels.count() != audioRecorder->audioSettings().channelCount()) { - qDeleteAll(audioLevels); - audioLevels.clear(); - for (int i = 0; i < audioRecorder->audioSettings().channelCount(); ++i) { - QAudioLevel *level = new QAudioLevel(ui->centralwidget); - audioLevels.append(level); - ui->levelsLayout->addWidget(level); - } - } - - ui->recordButton->setText(tr("Stop")); - ui->pauseButton->setText(tr("Pause")); - if (audioRecorder->outputLocation().isEmpty()) - statusMessage = tr("Recording"); - else - statusMessage = tr("Recording to %1").arg( - audioRecorder->outputLocation().toString()); + statusMessage = tr("Recording to %1").arg(audioRecorder->actualLocation().toString()); break; case QMediaRecorder::PausedStatus: clearAudioLevels(); - ui->recordButton->setText(tr("Stop")); - ui->pauseButton->setText(tr("Resume")); statusMessage = tr("Paused"); break; case QMediaRecorder::UnloadedStatus: case QMediaRecorder::LoadedStatus: clearAudioLevels(); - ui->recordButton->setText(tr("Record")); - ui->pauseButton->setText(tr("Pause")); statusMessage = tr("Stopped"); default: break; } - ui->pauseButton->setEnabled(audioRecorder->state() - != QMediaRecorder::StoppedState); - if (audioRecorder->error() == QMediaRecorder::NoError) ui->statusbar->showMessage(statusMessage); } +void AudioRecorder::onStateChanged(QMediaRecorder::State state) +{ + switch (state) { + case QMediaRecorder::RecordingState: + ui->recordButton->setText(tr("Stop")); + ui->pauseButton->setText(tr("Pause")); + break; + case QMediaRecorder::PausedState: + ui->recordButton->setText(tr("Stop")); + ui->pauseButton->setText(tr("Resume")); + break; + case QMediaRecorder::StoppedState: + ui->recordButton->setText(tr("Record")); + ui->pauseButton->setText(tr("Pause")); + break; + } + + ui->pauseButton->setEnabled(audioRecorder->state() != QMediaRecorder::StoppedState); +} + static QVariant boxValue(const QComboBox *box) { int idx = box->currentIndex(); @@ -347,6 +346,16 @@ QVector<qreal> getBufferLevels(const T *buffer, int frames, int channels) void AudioRecorder::processBuffer(const QAudioBuffer& buffer) { + if (audioLevels.count() != buffer.format().channelCount()) { + qDeleteAll(audioLevels); + audioLevels.clear(); + for (int i = 0; i < buffer.format().channelCount(); ++i) { + QAudioLevel *level = new QAudioLevel(ui->centralwidget); + audioLevels.append(level); + ui->levelsLayout->addWidget(level); + } + } + QVector<qreal> levels = getBufferLevels(buffer); for (int i = 0; i < levels.count(); ++i) audioLevels.at(i)->setLevel(levels.at(i)); |