Initial copy of QtMultimediaKit.
Comes from original repo, with SHA1: 2c82d5611655e5967f5c5095af50c0991c4378b2
This commit is contained in:
Michael Goddard
698
src/imports/multimedia/qdeclarativeaudio.cpp
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698
src/imports/multimedia/qdeclarativeaudio.cpp
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
|
||||
** This file is part of the Qt Mobility Components.
|
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**
|
||||
** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
|
||||
** This file contains pre-release code and may not be distributed.
|
||||
** You may use this file in accordance with the terms and conditions
|
||||
** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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||||
** 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
|
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** 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, Nokia gives you certain additional
|
||||
** rights. These rights are described in the Nokia Qt LGPL Exception
|
||||
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
||||
**
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||||
** If you have questions regarding the use of this file, please contact
|
||||
** Nokia at qt-info@nokia.com.
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||||
**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qdeclarativeaudio_p.h"
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#include <qmediaplayercontrol.h>
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QT_BEGIN_NAMESPACE
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/*!
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\qmlclass Audio QDeclarativeAudio
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\brief The Audio element allows you to add audio playback to a scene.
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\ingroup qml-multimedia
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This element is part of the \bold{QtMultimediaKit 1.1} module.
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\qml
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import Qt 4.7
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import QtMultimediaKit 1.1
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Text {
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text: "Click Me!";
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font.pointSize: 24;
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width: 150; height: 50;
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Audio {
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id: playMusic
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source: "music.wav"
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}
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MouseArea {
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id: playArea
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anchors.fill: parent
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onPressed: { playMusic.play() }
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}
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}
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\endqml
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\sa Video
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*/
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/*!
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\internal
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\class QDeclarativeAudio
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\brief The QDeclarativeAudio class provides an audio item that you can add to a QDeclarativeView.
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*/
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void QDeclarativeAudio::_q_error(int errorCode, const QString &errorString)
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{
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m_error = QMediaPlayer::Error(errorCode);
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m_errorString = errorString;
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emit error(Error(errorCode), errorString);
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emit errorChanged();
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}
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QDeclarativeAudio::QDeclarativeAudio(QObject *parent)
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: QObject(parent)
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{
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}
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QDeclarativeAudio::~QDeclarativeAudio()
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{
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shutdown();
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}
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/*!
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\qmlmethod Audio::play()
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Starts playback of the media.
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Sets the \l playing property to true, and the \l paused property to false.
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*/
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void QDeclarativeAudio::play()
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{
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if (!m_complete)
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return;
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setPaused(false);
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setPlaying(true);
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}
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/*!
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\qmlmethod Audio::pause()
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Pauses playback of the media.
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Sets the \l playing and \l paused properties to true.
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*/
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void QDeclarativeAudio::pause()
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{
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if (!m_complete)
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return;
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setPaused(true);
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setPlaying(true);
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}
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/*!
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\qmlmethod Audio::stop()
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Stops playback of the media.
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Sets the \l playing and \l paused properties to false.
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*/
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void QDeclarativeAudio::stop()
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{
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if (!m_complete)
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return;
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setPlaying(false);
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setPaused(false);
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}
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/*!
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\qmlproperty url Audio::source
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This property holds the source URL of the media.
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*/
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/*!
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\qmlproperty url Audio::autoLoad
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This property indicates if loading of media should begin immediately.
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Defaults to true, if false media will not be loaded until playback is started.
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*/
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/*!
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\qmlproperty bool Audio::playing
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This property holds whether the media is playing.
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Defaults to false, and can be set to true to start playback.
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*/
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/*!
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\qmlproperty bool Audio::paused
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This property holds whether the media is paused.
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Defaults to false, and can be set to true to pause playback.
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*/
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/*!
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\qmlsignal Audio::onStarted()
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This handler is called when playback is started.
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*/
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/*!
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\qmlsignal Audio::onResumed()
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This handler is called when playback is resumed from the paused state.
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*/
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/*!
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\qmlsignal Audio::onPaused()
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This handler is called when playback is paused.
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*/
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/*!
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\qmlsignal Audio::onStopped()
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This handler is called when playback is stopped.
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*/
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/*!
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\qmlproperty enumeration Audio::status
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This property holds the status of media loading. It can be one of:
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\list
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\o NoMedia - no media has been set.
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\o Loading - the media is currently being loaded.
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\o Loaded - the media has been loaded.
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\o Buffering - the media is buffering data.
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\o Stalled - playback has been interrupted while the media is buffering data.
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\o Buffered - the media has buffered data.
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\o EndOfMedia - the media has played to the end.
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\o InvalidMedia - the media cannot be played.
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\o UnknownStatus - the status of the media is unknown.
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\endlist
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*/
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QDeclarativeAudio::Status QDeclarativeAudio::status() const
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{
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return Status(m_status);
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}
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/*!
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\qmlproperty int Audio::duration
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This property holds the duration of the media in milliseconds.
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If the media doesn't have a fixed duration (a live stream for example) this will be 0.
|
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*/
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/*!
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\qmlproperty int Audio::position
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This property holds the current playback position in milliseconds.
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If the \l seekable property is true, this property can be set to seek to a new position.
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*/
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/*!
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\qmlproperty real Audio::volume
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This property holds the volume of the audio output, from 0.0 (silent) to 1.0 (maximum volume).
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*/
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/*!
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\qmlproperty bool Audio::muted
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This property holds whether the audio output is muted.
|
||||
*/
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/*!
|
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\qmlproperty real Audio::bufferProgress
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||||
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||||
This property holds how much of the data buffer is currently filled, from 0.0 (empty) to 1.0
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||||
(full).
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*/
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/*!
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\qmlproperty bool Audio::seekable
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This property holds whether position of the audio can be changed.
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||||
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If true; setting a \l position value will cause playback to seek to the new position.
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||||
*/
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/*!
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\qmlproperty real Audio::playbackRate
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This property holds the rate at which audio is played at as a multiple of the normal rate.
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*/
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/*!
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\qmlproperty enumeration Audio::error
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This property holds the error state of the audio. It can be one of:
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\list
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\o NoError - there is no current error.
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\o ResourceError - the audio cannot be played due to a problem allocating resources.
|
||||
\o FormatError - the audio format is not supported.
|
||||
\o NetworkError - the audio cannot be played due to network issues.
|
||||
\o AccessDenied - the audio cannot be played due to insufficient permissions.
|
||||
\o ServiceMissing - the audio cannot be played because the media service could not be
|
||||
instantiated.
|
||||
\endlist
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||||
*/
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||||
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QDeclarativeAudio::Error QDeclarativeAudio::error() const
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{
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return Error(m_error);
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}
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void QDeclarativeAudio::classBegin()
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{
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setObject(this);
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}
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void QDeclarativeAudio::componentComplete()
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{
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QDeclarativeMediaBase::componentComplete();
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}
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/*!
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\qmlproperty string Audio::errorString
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This property holds a string describing the current error condition in more detail.
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*/
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/*!
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\qmlsignal Audio::onError(error, errorString)
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This handler is called when an \l {QMediaPlayer::Error}{error} has
|
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occurred. The errorString parameter may contain more detailed
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||||
information about the error.
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||||
*/
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/*!
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\qmlproperty variant Audio::metaData.title
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This property holds the tile of the media.
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\sa {QtMultimediaKit::Title}
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*/
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/*!
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\qmlproperty variant Audio::metaData.subTitle
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This property holds the sub-title of the media.
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\sa {QtMultimediaKit::SubTitle}
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*/
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/*!
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\qmlproperty variant Audio::metaData.author
|
||||
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This property holds the author of the media.
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||||
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||||
\sa {QtMultimediaKit::Author}
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||||
*/
|
||||
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||||
/*!
|
||||
\qmlproperty variant Audio::metaData.comment
|
||||
|
||||
This property holds a user comment about the media.
|
||||
|
||||
\sa {QtMultimediaKit::Comment}
|
||||
*/
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/*!
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\qmlproperty variant Audio::metaData.description
|
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This property holds a description of the media.
|
||||
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\sa {QtMultimediaKit::Description}
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*/
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/*!
|
||||
\qmlproperty variant Audio::metaData.category
|
||||
|
||||
This property holds the category of the media
|
||||
|
||||
\sa {QtMultimediaKit::Category}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.genre
|
||||
|
||||
This property holds the genre of the media.
|
||||
|
||||
\sa {QtMultimediaKit::Genre}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.year
|
||||
|
||||
This property holds the year of release of the media.
|
||||
|
||||
\sa {QtMultimediaKit::Year}
|
||||
*/
|
||||
|
||||
/*!
|
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\qmlproperty variant Audio::metaData.date
|
||||
|
||||
This property holds the date of the media.
|
||||
|
||||
\sa {QtMultimediaKit::Date}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.userRating
|
||||
|
||||
This property holds a user rating of the media in the range of 0 to 100.
|
||||
|
||||
\sa {QtMultimediaKit::UserRating}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.keywords
|
||||
|
||||
This property holds a list of keywords describing the media.
|
||||
|
||||
\sa {QtMultimediaKit::Keywords}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.language
|
||||
|
||||
This property holds the language of the media, as an ISO 639-2 code.
|
||||
|
||||
\sa {QtMultimediaKit::Language}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.publisher
|
||||
|
||||
This property holds the publisher of the media.
|
||||
|
||||
\sa {QtMultimediaKit::Publisher}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.copyright
|
||||
|
||||
This property holds the media's copyright notice.
|
||||
|
||||
\sa {QtMultimediaKit::Copyright}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.parentalRating
|
||||
|
||||
This property holds the parental rating of the media.
|
||||
|
||||
\sa {QtMultimediaKit::ParentalRating}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.ratingOrganisation
|
||||
|
||||
This property holds the name of the rating organisation responsible for the
|
||||
parental rating of the media.
|
||||
|
||||
\sa {QtMultimediaKit::RatingOrganisation}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.size
|
||||
|
||||
This property property holds the size of the media in bytes.
|
||||
|
||||
\sa {QtMultimediaKit::Size}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.mediaType
|
||||
|
||||
This property holds the type of the media.
|
||||
|
||||
\sa {QtMultimediaKit::MediaType}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.audioBitRate
|
||||
|
||||
This property holds the bit rate of the media's audio stream ni bits per
|
||||
second.
|
||||
|
||||
\sa {QtMultimediaKit::AudioBitRate}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.audioCodec
|
||||
|
||||
This property holds the encoding of the media audio stream.
|
||||
|
||||
\sa {QtMultimediaKit::AudioCodec}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.averageLevel
|
||||
|
||||
This property holds the average volume level of the media.
|
||||
|
||||
\sa {QtMultimediaKit::AverageLevel}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.channelCount
|
||||
|
||||
This property holds the number of channels in the media's audio stream.
|
||||
|
||||
\sa {QtMultimediaKit::ChannelCount}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.peakValue
|
||||
|
||||
This property holds the peak volume of media's audio stream.
|
||||
|
||||
\sa {QtMultimediaKit::PeakValue}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.sampleRate
|
||||
|
||||
This property holds the sample rate of the media's audio stream in hertz.
|
||||
|
||||
\sa {QtMultimediaKit::SampleRate}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.albumTitle
|
||||
|
||||
This property holds the title of the album the media belongs to.
|
||||
|
||||
\sa {QtMultimediaKit::AlbumTitle}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.albumArtist
|
||||
|
||||
This property holds the name of the principal artist of the album the media
|
||||
belongs to.
|
||||
|
||||
\sa {QtMultimediaKit::AlbumArtist}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.contributingArtist
|
||||
|
||||
This property holds the names of artists contributing to the media.
|
||||
|
||||
\sa {QtMultimediaKit::ContributingArtist}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.composer
|
||||
|
||||
This property holds the composer of the media.
|
||||
|
||||
\sa {QtMultimediaKit::Composer}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.conductor
|
||||
|
||||
This property holds the conductor of the media.
|
||||
|
||||
\sa {QtMultimediaKit::Conductor}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.lyrics
|
||||
|
||||
This property holds the lyrics to the media.
|
||||
|
||||
\sa {QtMultimediaKit::Lyrics}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.mood
|
||||
|
||||
This property holds the mood of the media.
|
||||
|
||||
\sa {QtMultimediaKit::Mood}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.trackNumber
|
||||
|
||||
This property holds the track number of the media.
|
||||
|
||||
\sa {QtMultimediaKit::TrackNumber}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.trackCount
|
||||
|
||||
This property holds the number of track on the album containing the media.
|
||||
|
||||
\sa {QtMultimediaKit::TrackNumber}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.coverArtUrlSmall
|
||||
|
||||
This property holds the URL of a small cover art image.
|
||||
|
||||
\sa {QtMultimediaKit::CoverArtUrlSmall}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.coverArtUrlLarge
|
||||
|
||||
This property holds the URL of a large cover art image.
|
||||
|
||||
\sa {QtMultimediaKit::CoverArtUrlLarge}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.resolution
|
||||
|
||||
This property holds the dimension of an image or video.
|
||||
|
||||
\sa {QtMultimediaKit::Resolution}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.pixelAspectRatio
|
||||
|
||||
This property holds the pixel aspect ratio of an image or video.
|
||||
|
||||
\sa {QtMultimediaKit::PixelAspectRatio}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.videoFrameRate
|
||||
|
||||
This property holds the frame rate of the media's video stream.
|
||||
|
||||
\sa {QtMultimediaKit::VideoFrameRate}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.videoBitRate
|
||||
|
||||
This property holds the bit rate of the media's video stream in bits per
|
||||
second.
|
||||
|
||||
\sa {QtMultimediaKit::VideoBitRate}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.videoCodec
|
||||
|
||||
This property holds the encoding of the media's video stream.
|
||||
|
||||
\sa {QtMultimediaKit::VideoCodec}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.posterUrl
|
||||
|
||||
This property holds the URL of a poster image.
|
||||
|
||||
\sa {QtMultimediaKit::PosterUrl}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.chapterNumber
|
||||
|
||||
This property holds the chapter number of the media.
|
||||
|
||||
\sa {QtMultimediaKit::ChapterNumber}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.director
|
||||
|
||||
This property holds the director of the media.
|
||||
|
||||
\sa {QtMultimediaKit::Director}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.leadPerformer
|
||||
|
||||
This property holds the lead performer in the media.
|
||||
|
||||
\sa {QtMultimediaKit::LeadPerformer}
|
||||
*/
|
||||
|
||||
/*!
|
||||
\qmlproperty variant Audio::metaData.writer
|
||||
|
||||
This property holds the writer of the media.
|
||||
|
||||
\sa {QtMultimediaKit::Writer}
|
||||
*/
|
||||
|
||||
QT_END_NAMESPACE
|
||||
|
||||
#include "moc_qdeclarativeaudio_p.cpp"
|
||||
|
||||
|
||||
Reference in New Issue
Block a user