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Diffstat (limited to 'src/multimedia/doc/snippets/multimedia-snippets/audiorecorder.cpp')
| -rw-r--r-- | src/multimedia/doc/snippets/multimedia-snippets/audiorecorder.cpp | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/src/multimedia/doc/snippets/multimedia-snippets/audiorecorder.cpp b/src/multimedia/doc/snippets/multimedia-snippets/audiorecorder.cpp deleted file mode 100644 index bb9193b03..000000000 --- a/src/multimedia/doc/snippets/multimedia-snippets/audiorecorder.cpp +++ /dev/null @@ -1,211 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Mobility Components. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtWidgets> - -#include <qaudiorecorder.h> -#include <qmediaservice.h> - -#include <QtMultimedia/qaudioformat.h> - -#include "audiorecorder.h" - -AudioRecorder::AudioRecorder() -{ -//! [create-objs-1] - capture = new QAudioRecorder(); -//! [create-objs-1] - - // set a default file - capture->setOutputLocation(QUrl("test.raw")); - - QWidget *window = new QWidget; - QGridLayout* layout = new QGridLayout; - - QLabel* deviceLabel = new QLabel; - deviceLabel->setText("Devices"); - deviceBox = new QComboBox(this); - deviceBox->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Fixed); - - QLabel* codecLabel = new QLabel; - codecLabel->setText("Codecs"); - codecsBox = new QComboBox(this); - codecsBox->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Fixed); - - QLabel* qualityLabel = new QLabel; - qualityLabel->setText("Quality"); - qualityBox = new QComboBox(this); - qualityBox->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Fixed); - -//! [device-list] - for(int i = 0; i < audiosource->deviceCount(); i++) - deviceBox->addItem(audiosource->name(i)); -//! [device-list] - -//! [codec-list] - QStringList codecs = capture->supportedAudioCodecs(); - for(int i = 0; i < codecs.count(); i++) - codecsBox->addItem(codecs.at(i)); -//! [codec-list] - - qualityBox->addItem("Low"); - qualityBox->addItem("Medium"); - qualityBox->addItem("High"); - - connect(capture, SIGNAL(durationChanged(qint64)), this, SLOT(updateProgress(qint64))); - connect(capture, SIGNAL(stateChanged(QMediaRecorder::State)), this, SLOT(stateChanged(QMediaRecorder::State))); - - layout->addWidget(deviceLabel,0,0,Qt::AlignHCenter); - connect(deviceBox,SIGNAL(activated(int)),SLOT(deviceChanged(int))); - layout->addWidget(deviceBox,0,1,1,3,Qt::AlignLeft); - - layout->addWidget(codecLabel,1,0,Qt::AlignHCenter); - connect(codecsBox,SIGNAL(activated(int)),SLOT(codecChanged(int))); - layout->addWidget(codecsBox,1,1,Qt::AlignLeft); - - layout->addWidget(qualityLabel,1,2,Qt::AlignHCenter); - connect(qualityBox,SIGNAL(activated(int)),SLOT(qualityChanged(int))); - layout->addWidget(qualityBox,1,3,Qt::AlignLeft); - - fileButton = new QPushButton(this); - fileButton->setText(tr("Output File")); - connect(fileButton,SIGNAL(clicked()),SLOT(selectOutputFile())); - layout->addWidget(fileButton,3,0,Qt::AlignHCenter); - - button = new QPushButton(this); - button->setText(tr("Record")); - connect(button,SIGNAL(clicked()),SLOT(toggleRecord())); - layout->addWidget(button,3,3,Qt::AlignHCenter); - - recTime = new QLabel; - recTime->setText("0 sec"); - layout->addWidget(recTime,4,0,Qt::AlignHCenter); - - window->setLayout(layout); - setCentralWidget(window); - window->show(); - - active = false; -} - -AudioRecorder::~AudioRecorder() -{ - delete capture; - delete audiosource; -} - -void AudioRecorder::updateProgress(qint64 pos) -{ - currentTime = pos; - if(currentTime == 0) currentTime = 1; - QString text = QString("%1 secs").arg(currentTime/1000); - recTime->setText(text); -} - -void AudioRecorder::stateChanged(QMediaRecorder::State state) -{ - qWarning()<<"stateChanged() "<<state; -} - -void AudioRecorder::deviceChanged(int idx) -{ -//! [get-device] - for(int i = 0; i < audiosource->deviceCount(); i++) { - if(deviceBox->itemText(idx).compare(audiosource->name(i)) == 0) - audiosource->setSelectedDevice(i); - } -//! [get-device] -} - -void AudioRecorder::codecChanged(int idx) -{ - Q_UNUSED(idx); - //capture->setAudioCodec(codecsBox->itemText(idx)); -} - -void AudioRecorder::qualityChanged(int idx) -{ - Q_UNUSED(idx); - /* - if(capture->audioCodec().compare("audio/pcm") == 0) { - if(qualityBox->itemText(idx).compare("Low") == 0) { - // 8000Hz mono is 8kbps - capture->setAudioBitrate(8); - } else if(qualityBox->itemText(idx).compare("Medium") == 0) { - // 22050Hz mono is 44.1kbps - capture->setAudioBitrate(44); - } else if(qualityBox->itemText(idx).compare("High") == 0) { - // 44100Hz mono is 88.2kbps - capture->setAudioBitrate(88); - } - } - */ -} - -//! [toggle-record] -void AudioRecorder::toggleRecord() -{ - if(!active) { - recTime->setText("0 sec"); - currentTime = 0; - capture->record(); - - button->setText(tr("Stop")); - active = true; - } else { - capture->stop(); - button->setText(tr("Record")); - active = false; - } -} -//! [toggle-record] - -void AudioRecorder::selectOutputFile() -{ - QStringList fileNames; - - QFileDialog dialog(this); - - dialog.setFileMode(QFileDialog::AnyFile); - if (dialog.exec()) - fileNames = dialog.selectedFiles(); - - if(fileNames.size() > 0) - capture->setOutputLocation(QUrl(fileNames.first())); -} |