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Diffstat (limited to 'src/multimedia/doc/src/snippets/multimedia-snippets/media.cpp')
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1 files changed, 0 insertions, 315 deletions
diff --git a/src/multimedia/doc/src/snippets/multimedia-snippets/media.cpp b/src/multimedia/doc/src/snippets/multimedia-snippets/media.cpp deleted file mode 100644 index 300ad392b..000000000 --- a/src/multimedia/doc/src/snippets/multimedia-snippets/media.cpp +++ /dev/null @@ -1,315 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal -** -** 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 Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information -** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -/* Media related snippets */ -#include <QFile> -#include <QTimer> - -#include "qmediaplaylist.h" -#include "qmediarecorder.h" -#include "qmediaservice.h" -#include "qmediaplayercontrol.h" -#include "qmediaplayer.h" -#include "qradiotuner.h" -#include "qradiodata.h" -#include "qvideowidget.h" -#include "qcameraimagecapture.h" -#include "qcamera.h" -#include "qcameraviewfinder.h" -#include "qaudioprobe.h" -#include "qaudiorecorder.h" -#include "qvideoprobe.h" - -class MediaExample : public QObject { - Q_OBJECT - - void MediaControl(); - void MediaPlayer(); - void RadioTuna(); - void MediaRecorder(); - void AudioRecorder(); - void EncoderSettings(); - void ImageEncoderSettings(); - void AudioProbe(); - void VideoProbe(); - -private: - // Common naming - QMediaService *mediaService; - QVideoWidget *videoWidget; - QWidget *widget; - QMediaPlayer *player; - QMediaPlaylist *playlist; - QMediaContent video; - QMediaRecorder *recorder; - QCamera *camera; - QCameraViewfinder *viewfinder; - QCameraImageCapture *imageCapture; - QString fileName; - QRadioTuner *radio; - QRadioData *radioData; - QAudioRecorder *audioRecorder; - QAudioProbe *audioProbe; - QVideoProbe *videoProbe; - - QMediaContent image1; - QMediaContent image2; - QMediaContent image3; - - static const int yourRadioStationFrequency = 11; -}; - -void MediaExample::MediaControl() -{ - { - //! [Request control] - QMediaPlayerControl *control = qobject_cast<QMediaPlayerControl *>( - mediaService->requestControl("org.qt-project.qt.mediaplayercontrol/5.0")); - //! [Request control] - Q_UNUSED(control); - } - - { - //! [Request control templated] - QMediaPlayerControl *control = mediaService->requestControl<QMediaPlayerControl *>(); - //! [Request control templated] - Q_UNUSED(control); - } -} - - -void MediaExample::EncoderSettings() -{ - //! [Audio encoder settings] - QAudioEncoderSettings audioSettings; - audioSettings.setCodec("audio/mpeg"); - audioSettings.setChannelCount(2); - - recorder->setAudioSettings(audioSettings); - //! [Audio encoder settings] - - //! [Video encoder settings] - QVideoEncoderSettings videoSettings; - videoSettings.setCodec("video/mpeg2"); - videoSettings.setResolution(640, 480); - - recorder->setVideoSettings(videoSettings); - //! [Video encoder settings] -} - -void MediaExample::ImageEncoderSettings() -{ - //! [Image encoder settings] - QImageEncoderSettings imageSettings; - imageSettings.setCodec("image/jpeg"); - imageSettings.setResolution(1600, 1200); - - imageCapture->setEncodingSettings(imageSettings); - //! [Image encoder settings] -} - -void MediaExample::MediaPlayer() -{ - //! [Player] - player = new QMediaPlayer; - connect(player, SIGNAL(positionChanged(qint64)), this, SLOT(positionChanged(qint64))); - player->setMedia(QUrl::fromLocalFile("/Users/me/Music/coolsong.mp3")); - player->setVolume(50); - player->play(); - //! [Player] - - //! [Local playback] - player = new QMediaPlayer; - // ... - player->setMedia(QUrl::fromLocalFile("/Users/me/Music/coolsong.mp3")); - player->setVolume(50); - player->play(); - //! [Local playback] - - //! [Audio playlist] - player = new QMediaPlayer; - - playlist = new QMediaPlaylist(player); - playlist->addMedia(QUrl("http://example.com/myfile1.mp3")); - playlist->addMedia(QUrl("http://example.com/myfile2.mp3")); - // ... - playlist->setCurrentIndex(1); - player->play(); - //! [Audio playlist] - - //! [Movie playlist] - playlist = new QMediaPlaylist; - playlist->addMedia(QUrl("http://example.com/movie1.mp4")); - playlist->addMedia(QUrl("http://example.com/movie2.mp4")); - playlist->addMedia(QUrl("http://example.com/movie3.mp4")); - playlist->setCurrentIndex(1); - - player = new QMediaPlayer; - player->setPlaylist(playlist); - - videoWidget = new QVideoWidget; - player->setVideoOutput(videoWidget); - videoWidget->show(); - - player->play(); - //! [Movie playlist] -} - -void MediaExample::MediaRecorder() -{ - //! [Media recorder] - recorder = new QMediaRecorder(camera); - - QAudioEncoderSettings audioSettings; - audioSettings.setCodec("audio/amr"); - audioSettings.setQuality(QMultimedia::HighQuality); - - recorder->setAudioSettings(audioSettings); - - recorder->setOutputLocation(QUrl::fromLocalFile(fileName)); - recorder->record(); - //! [Media recorder] -} - -void MediaExample::AudioRecorder() -{ - //! [Audio recorder] - audioRecorder = new QAudioRecorder; - - QAudioEncoderSettings audioSettings; - audioSettings.setCodec("audio/amr"); - audioSettings.setQuality(QMultimedia::HighQuality); - - audioRecorder->setEncodingSettings(audioSettings); - - audioRecorder->setOutputLocation(QUrl::fromLocalFile("test.amr")); - audioRecorder->record(); - //! [Audio recorder] - - //! [Audio recorder inputs] - QStringList inputs = audioRecorder->audioInputs(); - QString selectedInput = audioRecorder->defaultAudioInput(); - - foreach (QString input, inputs) { - QString description = audioRecorder->audioInputDescription(input); - // show descriptions to user and allow selection - selectedInput = input; - } - - audioRecorder->setAudioInput(selectedInput); - //! [Audio recorder inputs] -} - -void MediaExample::RadioTuna() -{ - //! [Radio tuner] - radio = new QRadioTuner; - connect(radio, SIGNAL(frequencyChanged(int)), this, SLOT(freqChanged(int))); - if (radio->isBandSupported(QRadioTuner::FM)) { - radio->setBand(QRadioTuner::FM); - radio->setFrequency(yourRadioStationFrequency); - radio->setVolume(100); - radio->start(); - } - //! [Radio tuner] - - //! [Radio data setup] - radio = new QRadioTuner; - radioData = radio->radioData(); - //! [Radio data setup] -} - -void MediaExample::AudioProbe() -{ - //! [Audio probe] - audioRecorder = new QAudioRecorder; - - QAudioEncoderSettings audioSettings; - audioSettings.setCodec("audio/amr"); - audioSettings.setQuality(QMultimedia::HighQuality); - - audioRecorder->setEncodingSettings(audioSettings); - - audioRecorder->setOutputLocation(QUrl::fromLocalFile("test.amr")); - - audioProbe = new QAudioProbe(this); - if (audioProbe->setSource(audioRecorder)) { - // Probing succeeded, audioProbe->isValid() should be true. - connect(audioProbe, SIGNAL(audioBufferProbed(QAudioBuffer)), - this, SLOT(calculateLevel(QAudioBuffer))); - } - - audioRecorder->record(); - // Now audio buffers being recorded should be signaled - // by the probe, so we can do things like calculating the - // audio power level, or performing a frequency transform - //! [Audio probe] -} - -void MediaExample::VideoProbe() -{ - //! [Video probe] - camera = new QCamera; - viewfinder = new QCameraViewfinder(); - camera->setViewfinder(viewfinder); - - camera->setCaptureMode(QCamera::CaptureVideo); - - videoProbe = new QVideoProbe(this); - - if (videoProbe->setSource(camera)) { - // Probing succeeded, videoProbe->isValid() should be true. - connect(videoProbe, SIGNAL(videoFrameProbed(QVideoFrame)), - this, SLOT(detectBarcodes(QVideoFrame))); - } - - camera->start(); - // Viewfinder frames should now also be emitted by - // the video probe, even in still image capture mode. - // Another alternative is to install the probe on a - // QMediaRecorder connected to the camera to get the - // recorded frames, if they are different from the - // viewfinder frames. - - //! [Video probe] -} - - |