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Diffstat (limited to 'examples/audiorecorder/audiorecorder.cpp')
| -rw-r--r-- | examples/audiorecorder/audiorecorder.cpp | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/examples/audiorecorder/audiorecorder.cpp b/examples/audiorecorder/audiorecorder.cpp deleted file mode 100644 index ad4dc35..0000000 --- a/examples/audiorecorder/audiorecorder.cpp +++ /dev/null @@ -1,225 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** You may use this file under the terms of the BSD license as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor -** the names of its contributors may be used to endorse or promote -** products derived from this software without specific prior written -** permission. -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtCore/qdir.h> -#include <QtWidgets/qfiledialog.h> - -#include <qaudiocapturesource.h> -#include <qmediarecorder.h> - -#include "audiorecorder.h" - -#if defined(Q_WS_MAEMO_6) -#include "ui_audiorecorder_small.h" -#else -#include "ui_audiorecorder.h" -#endif - -AudioRecorder::AudioRecorder(QWidget *parent) - : - QMainWindow(parent), - ui(new Ui::AudioRecorder), - outputLocationSet(false) -{ - ui->setupUi(this); - - audiosource = new QAudioCaptureSource(this); - capture = new QMediaRecorder(audiosource, this); - - //audio devices - ui->audioDeviceBox->addItem(tr("Default"), QVariant(QString())); - foreach(const QString &device, audiosource->audioInputs()) { - ui->audioDeviceBox->addItem(device, QVariant(device)); - } - - //audio codecs - ui->audioCodecBox->addItem(tr("Default"), QVariant(QString())); - foreach(const QString &codecName, capture->supportedAudioCodecs()) { - ui->audioCodecBox->addItem(codecName, QVariant(codecName)); - } - - //containers - ui->containerBox->addItem(tr("Default"), QVariant(QString())); - foreach(const QString &containerName, capture->supportedContainers()) { - ui->containerBox->addItem(containerName, QVariant(containerName)); - } - - //sample rate: - ui->sampleRateBox->addItem(tr("Default"), QVariant(0)); - foreach(int sampleRate, capture->supportedAudioSampleRates()) { - ui->sampleRateBox->addItem(QString::number(sampleRate), QVariant( - sampleRate)); - } - - ui->qualitySlider->setRange(0, int(QtMultimedia::VeryHighQuality)); - ui->qualitySlider->setValue(int(QtMultimedia::NormalQuality)); - - //bitrates: - ui->bitrateBox->addItem(QString("Default"), QVariant(0)); - ui->bitrateBox->addItem(QString("32000"), QVariant(32000)); - ui->bitrateBox->addItem(QString("64000"), QVariant(64000)); - ui->bitrateBox->addItem(QString("96000"), QVariant(96000)); - ui->bitrateBox->addItem(QString("128000"), QVariant(128000)); - - connect(capture, SIGNAL(durationChanged(qint64)), this, - SLOT(updateProgress(qint64))); - connect(capture, SIGNAL(stateChanged(QMediaRecorder::State)), this, - SLOT(updateState(QMediaRecorder::State))); - connect(capture, SIGNAL(error(QMediaRecorder::Error)), this, - SLOT(displayErrorMessage())); - } - -AudioRecorder::~AudioRecorder() -{ - delete capture; - delete audiosource; -} - -void AudioRecorder::updateProgress(qint64 duration) -{ - if (capture->error() != QMediaRecorder::NoError || duration < 2000) - return; - - ui->statusbar->showMessage(tr("Recorded %1 sec").arg(duration / 1000)); -} - -void AudioRecorder::updateState(QMediaRecorder::State state) -{ - QString statusMessage; - - switch (state) { - case QMediaRecorder::RecordingState: - ui->recordButton->setText(tr("Stop")); - ui->pauseButton->setText(tr("Pause")); - if (capture->outputLocation().isEmpty()) - statusMessage = tr("Recording"); - else - statusMessage = tr("Recording to %1").arg( - capture->outputLocation().toString()); - break; - case QMediaRecorder::PausedState: - ui->recordButton->setText(tr("Stop")); - ui->pauseButton->setText(tr("Resume")); - statusMessage = tr("Paused"); - break; - case QMediaRecorder::StoppedState: - ui->recordButton->setText(tr("Record")); - ui->pauseButton->setText(tr("Pause")); - statusMessage = tr("Stopped"); - } - - ui->pauseButton->setEnabled(state != QMediaRecorder::StoppedState); - - if (capture->error() == QMediaRecorder::NoError) - ui->statusbar->showMessage(statusMessage); -} - -static QVariant boxValue(const QComboBox *box) -{ - int idx = box->currentIndex(); - if (idx == -1) - return QVariant(); - - return box->itemData(idx); -} - -void AudioRecorder::toggleRecord() -{ - if (capture->state() == QMediaRecorder::StoppedState) { - audiosource->setAudioInput(boxValue(ui->audioDeviceBox).toString()); - - if (!outputLocationSet) - capture->setOutputLocation(generateAudioFilePath()); - - QAudioEncoderSettings settings; - settings.setCodec(boxValue(ui->audioCodecBox).toString()); - settings.setSampleRate(boxValue(ui->sampleRateBox).toInt()); - settings.setBitRate(boxValue(ui->bitrateBox).toInt()); - settings.setQuality(QtMultimedia::EncodingQuality(ui->qualitySlider->value())); - settings.setEncodingMode(ui->constantQualityRadioButton->isChecked() ? - QtMultimedia::ConstantQualityEncoding : - QtMultimedia::ConstantBitRateEncoding); - - QString container = boxValue(ui->containerBox).toString(); - - capture->setEncodingSettings(settings, QVideoEncoderSettings(), container); - capture->record(); - } - else { - capture->stop(); - } -} - -void AudioRecorder::togglePause() -{ - if (capture->state() != QMediaRecorder::PausedState) - capture->pause(); - else - capture->record(); -} - -void AudioRecorder::setOutputLocation() -{ - QString fileName = QFileDialog::getSaveFileName(); - capture->setOutputLocation(QUrl(fileName)); - outputLocationSet = true; -} - -void AudioRecorder::displayErrorMessage() -{ - ui->statusbar->showMessage(capture->errorString()); -} - -QUrl AudioRecorder::generateAudioFilePath() -{ - QDir outputDir(QDir::rootPath()); - - int lastImage = 0; - int fileCount = 0; - foreach(QString fileName, outputDir.entryList(QStringList() << "testclip_*")) { - int imgNumber = fileName.mid(5, fileName.size() - 9).toInt(); - lastImage = qMax(lastImage, imgNumber); - if (outputDir.exists(fileName)) - fileCount += 1; - } - lastImage += fileCount; - QUrl location(QDir::toNativeSeparators(outputDir.canonicalPath() + QString("/testclip_%1").arg(lastImage + 1, 4, 10, QLatin1Char('0')))); - return location; -} |