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authorQt Continuous Integration System <qt-info@nokia.com>2011-03-27 23:34:33 (GMT)
committerQt Continuous Integration System <qt-info@nokia.com>2011-03-27 23:34:33 (GMT)
commitf5542efa32c0e28f28b361c554f9ae2c3f6fc546 (patch)
tree6c2a8b9a46fcda2c72b5318bca247c46fc0bf36a /doc/src/snippets/code/doc_src_phonon-api.cpp
parentcdbb761416996efef99e6eccc7f42730d64f35cb (diff)
parent8faad8f5e7ddf03b4bf19ef51ddd1ad3c3b5f968 (diff)
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Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-doc-staging into 4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/qt-doc-staging: (185 commits) qdoc: Avoid infinite loops in table of contents generation. Removed the documentation from the install rule. qdoc: Added the <othermeta> element. qdoc: Completed changing <section> structure. Doc: Fixed reference to absolete API in exceptionsafety.html Doc: Removed links to obsolete API in QResource Doc: Fixed broken links in QIcon::fromTheme() Doc: Fixed doc bug in undo framework example Doc: Fixed typo. qdoc: Changed <section> structure. Doc: Typo fixes Doc: Fixed snippet documenting QMetaObject::classInfo Doc: Cannot alter SelectionMode of a combobox's view qdoc: Added <publisher> and <permissions> elements. qdoc: Added <component> element to contain the module name. qdoc: Added <prodinfo> element and its contents to the metadata. Doc: Fixed a doc bug in the Rogue example Doc: Small change to QByteArray::resize() Doc: Small change to ListModel docs Doc: QtDemo now gives error message when example doc cannot be loaded ...
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+PushStream::PushStream(QObject *parent)
+ : AbstractMediaStream(parent), m_timer(new QTimer(this))
+{
+ setStreamSize(getMediaStreamSize());
+
+ connect(m_timer, SIGNAL(timeout()), SLOT(moreData()));
+ m_timer->setInterval(0);
+}
+
+void PushStream::moreData()
+{
+ const QByteArray data = getMediaData();
+ if (data.isEmpty()) {
+ endOfData();
+ } else {
+ writeData(data);
+ }
+}
+
+void PushStream::needData()
+{
+ m_timer->start();
+ moreData();
+}
+
+void PushStream::enoughData()
+{
+ m_timer->stop();
+}
+//! [0]
+
+
+//! [1]
+PullStream::PullStream(QObject *parent)
+ : AbstractMediaStream(parent)
+{
+ setStreamSize(getMediaStreamSize());
+}
+
+void PullStream::needData()
+{
+ const QByteArray data = getMediaData();
+ if (data.isEmpty()) {
+ endOfData();
+ } else {
+ writeData(data);
+ }
+}
+//! [1]
+
+
+//! [2]
+seekStream(0);
+//! [2]
+
+
+//! [3]
+MediaObject m;
+QString fileName("/home/foo/bar.ogg");
+QUrl url("http://www.example.com/stream.mp3");
+QBuffer *someBuffer;
+m.setCurrentSource(fileName);
+m.setCurrentSource(url);
+m.setCurrentSource(someBuffer);
+m.setCurrentSource(Phonon::Cd);
+//! [3]
+
+
+//! [4]
+VideoPlayer *player = new VideoPlayer(Phonon::VideoCategory, parentWidget);
+connect(player, SIGNAL(finished()), player, SLOT(deleteLater()));
+player->play(url);
+//! [4]
+
+
+//! [5]
+audioPlayer->load(url);
+audioPlayer->play();
+//! [5]
+
+
+//! [6]
+media = new MediaObject(this);
+connect(media, SIGNAL(finished()), SLOT(slotFinished());
+media->setCurrentSource("/home/username/music/filename.ogg");
+
+...
+
+media->play();
+//! [6]
+
+
+//! [7]
+media->setCurrentSource(":/sounds/startsound.ogg");
+media->enqueue("/home/username/music/song.mp3");
+media->enqueue(":/sounds/endsound.ogg");
+//! [7]
+
+
+//! [8]
+ media->setCurrentSource(":/sounds/startsound.ogg");
+ connect(media, SIGNAL(aboutToFinish()), SLOT(enqueueNextSource()));
+}
+
+void enqueueNextSource()
+{
+ media->enqueue("/home/username/music/song.mp3");
+}
+//! [8]
+
+
+//! [9]
+int x = 200;
+media->setTickInterval(x);
+Q_ASSERT(x == producer->tickInterval());
+//! [9]
+
+
+//! [10]
+int x = 200;
+media->setTickInterval(x);
+Q_ASSERT(x >= producer->tickInterval() &&
+ x <= 2producer->tickInterval());
+//! [10]
+
+
+//! [11]
+ connect(media, SIGNAL(hasVideoChanged(bool)), hasVideoChanged(bool));
+ media->setCurrentSource("somevideo.avi");
+ media->hasVideo(); // returns false;
+}
+
+void hasVideoChanged(bool b)
+{
+ // b == true
+ media->hasVideo(); // returns true;
+}
+//! [11]
+
+
+//! [12]
+ connect(media, SIGNAL(hasVideoChanged(bool)), hasVideoChanged(bool));
+ media->setCurrentSource("somevideo.avi");
+ media->hasVideo(); // returns false;
+}
+
+void hasVideoChanged(bool b)
+{
+ // b == true
+ media->hasVideo(); // returns true;
+}
+//! [12]
+
+
+//! [13]
+setMetaArtist(media->metaData("ARTIST"));
+setMetaAlbum(media->metaData("ALBUM"));
+setMetaTitle(media->metaData("TITLE"));
+setMetaDate(media->metaData("DATE"));
+setMetaGenre(media->metaData("GENRE"));
+setMetaTrack(media->metaData("TRACKNUMBER"));
+setMetaComment(media->metaData("DESCRIPTION"));
+//! [13]
+
+
+//! [14]
+QUrl url("http://www.example.com/music.ogg");
+media->setCurrentSource(url);
+//! [14]
+
+
+//! [15]
+progressBar->setRange(0, 100); // this is the default
+connect(media, SIGNAL(bufferStatus(int)), progressBar, SLOT(setValue(int)));
+//! [15]
+
+
+//! [16]
+QObject::connect(BackendCapabilities::notifier(), SIGNAL(capabilitiesChanged()), ...
+//! [16]
+
+
+//! [17]
+QComboBox *cb = new QComboBox(parentWidget);
+ObjectDescriptionModel *model = new ObjectDescriptionModel(cb);
+model->setModelData(BackendCapabilities::availableAudioOutputDevices());
+cb->setModel(model);
+cb->setCurrentIndex(0); // select first entry
+//! [17]
+
+
+//! [18]
+int cbIndex = cb->currentIndex();
+AudioOutputDevice selectedDevice = model->modelData(cbIndex);
+//! [18]
+
+
+//! [19]
+Path path = Phonon::createPath(...);
+Effect *effect = new Effect(this);
+path.insertEffect(effect);
+//! [19]
+
+
+//! [20]
+MediaObject *media = new MediaObject;
+AudioOutput *output = new AudioOutput(Phonon::MusicCategory);
+Path path = Phonon::createPath(media, output);
+Q_ASSERT(path.isValid()); // for this simple case the path should always be
+ //valid - there are unit tests to ensure it
+// insert an effect
+QList<EffectDescription> effectList = BackendCapabilities::availableAudioEffects();
+if (!effectList.isEmpty()) {
+ Effect *effect = path.insertEffect(effectList.first());
+}
+//! [20]
+
+
+//! [21]
+MediaObject *media = new MediaObject(parent);
+VideoWidget *vwidget = new VideoWidget(parent);
+Phonon::createPath(media, vwidget);
+//! [21]