/usr/lib/x86_64-linux-gnu/qt5/qml/QtAV/Video.qml is in qml-module-qtav 1.12.0+ds-4build3.
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import QtAV 1.7
/*!
\qmltype Video
\inherits Item
\ingroup multimedia_qml
\ingroup multimedia_video_qml
\inqmlmodule QtAV
\brief A convenience type for showing a specified video.
\c Video is a convenience type combining the functionality
of a \l MediaPlayer and a \l VideoOutput into one. It provides
simple video playback functionality without having to declare multiple
types.
\qml
import QtQuick 2.0
import QtAV 1.7
Video {
id: video
width : 800
height : 600
source: "video.avi"
MouseArea {
anchors.fill: parent
onClicked: {
video.play()
}
}
focus: true
Keys.onSpacePressed: video.playbackState == MediaPlayer.PlayingState ? video.pause() : video.play()
Keys.onLeftPressed: video.seek(video.position - 5000)
Keys.onRightPressed: video.seek(video.position + 5000)
}
\endqml
\c Video supports untransformed, stretched, and uniformly scaled
video presentation. For a description of stretched uniformly scaled
presentation, see the \l fillMode property description.
\sa MediaPlayer, VideoOutput
\section1 Screen Saver
If it is likely that an application will be playing video for an extended
period of time without user interaction, it may be necessary to disable
the platform's screen saver. The \l ScreenSaver (from \l QtSystemInfo)
may be used to disable the screensaver in this fashion:
\qml
import QtSystemInfo 5.0
ScreenSaver { screenSaverEnabled: false }
\endqml
*/
Item {
id: video
property alias startPosition: player.startPosition
property alias stopPosition: player.stopPosition
property alias videoFiltersGPU: videoOut.filters
property alias audioFilters: player.audioFilters
property alias videoFilters: player.videoFilters
property alias audioBackends: player.audioBackends
property alias supportedAudioBackends: player.supportedAudioBackends
property alias backgroundColor: videoOut.backgroundColor
property alias brightness: videoOut.brightness
property alias contrast: videoOut.contrast
property alias hue: videoOut.hue
property alias saturation: videoOut.saturation
property alias frameSize: videoOut.frameSize
property alias sourceAspectRatio: videoOut.sourceAspectRatio
property alias opengl: videoOut.opengl
property alias fastSeek: player.fastSeek
property alias timeout: player.timeout
property alias abortOnTimeout: player.abortOnTimeout
property alias subtitle: subtitle
property alias subtitleText: text_sub // not for ass.
property alias videoCapture: player.videoCapture
property alias audioTrack: player.audioTrack
property alias videoTrack: player.videoTrack
property alias externalAudio: player.externalAudio
property alias internalAudioTracks: player.internalAudioTracks
property alias externalAudioTracks: player.externalAudioTracks
property alias internalVideoTracks: player.internalVideoTracks
/*** Properties of VideoOutput ***/
/*!
\qmlproperty enumeration Video::fillMode
Set this property to define how the video is scaled to fit the target
area.
\list
\li VideoOutput.Stretch - the video is scaled to fit
\li VideoOutput.PreserveAspectFit - the video is scaled uniformly to fit without
cropping
\li VideoOutput.PreserveAspectCrop - the video is scaled uniformly to fill, cropping
if necessary
\endlist
Because this type is for convenience in QML, it does not
support enumerations directly, so enumerations from \c VideoOutput are
used to access the available fill modes.
The default fill mode is preserveAspectFit.
*/
property alias fillMode: videoOut.fillMode
/*!
\qmlproperty int Video::orientation
The orientation of the \c Video in degrees. Only multiples of 90
degrees is supported, that is 0, 90, 180, 270, 360, etc.
*/
property alias orientation: videoOut.orientation
/*** Properties of MediaPlayer ***/
/*!
A list of video codec names in priority order.
Example: videoCodecPriority: ["VAAPI", "FFmpeg"]
Default is ["FFmpeg"]
s*/
property alias videoCodecPriority: player.videoCodecPriority
property alias channelLayout: player.channelLayout
/*!
\qmlproperty enumeration Video::playbackState
This read only property indicates the playback state of the media.
\list
\li MediaPlayer.PlayingState - the media is playing
\li MediaPlayer.PausedState - the media is paused
\li MediaPlayer.StoppedState - the media is stopped
\endlist
The default state is MediaPlayer.StoppedState.
*/
property alias playbackState: player.playbackState
/*!
\qmlproperty bool Video::autoLoad
This property indicates if loading of media should begin immediately.
Defaults to true, if false media will not be loaded until playback is
started.
*/
property alias autoLoad: player.autoLoad
/*!
\qmlproperty real Video::bufferProgress
This property holds how much of the data buffer is currently filled,
from 0.0 (empty) to 1.0
(full).
*/
property alias bufferProgress: player.bufferProgress
/*!
\qmlproperty int Video::bufferSize
This property holds the buffer value.
*/
property alias bufferSize: player.bufferSize
/*!
\qmlproperty int Video::duration
This property holds the duration of the media in milliseconds.
If the media doesn't have a fixed duration (a live stream for example)
this will be 0.
*/
property alias duration: player.duration
/*!
\qmlproperty enumeration Video::error
This property holds the error state of the video. It can be one of:
\list
\li MediaPlayer.NoError - there is no current error.
\li MediaPlayer.ResourceError - the video cannot be played due to a problem
allocating resources.
\li MediaPlayer.FormatError - the video format is not supported.
\li MediaPlayer.NetworkError - the video cannot be played due to network issues.
\li MediaPlayer.AccessDenied - the video cannot be played due to insufficient
permissions.
\li MediaPlayer.ServiceMissing - the video cannot be played because the media
service could not be
instantiated.
\endlist
*/
property alias error: player.error
/*!
\qmlproperty string Video::errorString
This property holds a string describing the current error condition in more detail.
*/
property alias errorString: player.errorString
/*!
\qmlproperty enumeration Video::availability
Returns the availability state of the video instance.
This is one of:
\table
\header \li Value \li Description
\row \li MediaPlayer.Available
\li The video player is available to use.
\row \li MediaPlayer.Busy
\li The video player is usually available, but some other
process is utilizing the hardware necessary to play media.
\row \li MediaPlayer.Unavailable
\li There are no supported video playback facilities.
\row \li MediaPlayer.ResourceMissing
\li There is one or more resources missing, so the video player cannot
be used. It may be possible to try again at a later time.
\endtable
*/
//property alias availability: player.availability
/*!
\qmlproperty bool Video::hasAudio
This property holds whether the current media has audio content.
*/
property alias hasAudio: player.hasAudio
/*!
\qmlproperty bool Video::hasVideo
This property holds whether the current media has video content.
*/
property alias hasVideo: player.hasVideo
/* documented below due to length of metaData documentation */
property alias metaData: player.metaData
/*!
\qmlproperty bool Video::muted
This property holds whether the audio output is muted.
*/
property alias muted: player.muted
/*!
\qmlproperty real Video::playbackRate
This property holds the rate at which video is played at as a multiple
of the normal rate.
*/
property alias playbackRate: player.playbackRate
/*!
\qmlproperty int Video::position
This property holds the current playback position in milliseconds.
To change this position, use the \l seek() method.
\sa seek()
*/
property alias position: player.position
/*!
\qmlproperty bool Video::seekable
This property holds whether the playback position of the video can be
changed.
If true, calling the \l seek() method will cause playback to seek to the new position.
*/
property alias seekable: player.seekable
/*!
\qmlproperty url Video::source
This property holds the source URL of the media.
*/
property alias source: player.source
/*!
\qmlproperty enumeration Video::status
This property holds the status of media loading. It can be one of:
\list
\li MediaPlayer.NoMedia - no media has been set.
\li MediaPlayer.Loading - the media is currently being loaded.
\li MediaPlayer.Loaded - the media has been loaded.
\li MediaPlayer.Buffering - the media is buffering data.
\li MediaPlayer.Stalled - playback has been interrupted while the media is buffering data.
\li MediaPlayer.Buffered - the media has buffered data.
\li MediaPlayer.EndOfMedia - the media has played to the end.
\li MediaPlayer.InvalidMedia - the media cannot be played.
\li MediaPlayer.UnknownStatus - the status of the media cannot be determined.
\endlist
*/
property alias status: player.status
/*!
\qmlproperty real Video::volume
This property holds the volume of the audio output, from 0.0 (silent) to 1.0 (maximum volume).
*/
property alias volume: player.volume
/*!
\qmlproperty bool Video::autoPlay
This property determines whether the media should begin playback automatically.
Setting to \c true also sets \l autoLoad to \c true. The default is \c false.
*/
property alias autoPlay: player.autoPlay
/*!
\qmlsignal Video::paused()
This signal is emitted when playback is paused.
*/
signal paused
/*!
\qmlsignal Video::stopped()
This signal is emitted when playback is stopped.
*/
signal stopped
/*!
\qmlsignal Video::playing()
This signal is emitted when playback is started or continued.
*/
signal playing
signal seekFinished
VideoOutput2 {
id: videoOut
anchors.fill: video
source: player
}
SubtitleItem {
id: ass_sub
rotation: -videoOut.orientation
fillMode: videoOut.fillMode
source: subtitle
anchors.fill: videoOut
}
Text {
id: text_sub
rotation: -videoOut.orientation
horizontalAlignment: Text.AlignHCenter
verticalAlignment: Text.AlignBottom
font {
pointSize: 20
bold: true
}
style: Text.Outline
styleColor: "blue"
color: "white"
anchors.fill: videoOut
}
MediaPlayer {
id: player
onPaused: video.paused()
onStopped: video.stopped()
onPlaying: video.playing()
onSeekFinished: video.seekFinished()
}
function stepForward() {
player.stepForward()
}
function stepBackward() {
player.stepBackward()
}
/*!
\qmlmethod Video::play()
Starts playback of the media.
*/
function play() {
player.play();
}
/*!
\qmlmethod Video::pause()
Pauses playback of the media.
*/
function pause() {
player.pause();
}
/*!
\qmlmethod Video::stop()
Stops playback of the media.
*/
function stop() {
player.stop();
}
/*!
\qmlmethod Video::seek(offset)
If the \l seekable property is true, seeks the current
playback position to \a offset.
Seeking may be asynchronous, so the \l position property
may not be updated immediately.
\sa seekable, position
*/
function seek(offset) {
player.seek(offset);
}
Subtitle {
id: subtitle
player: player
onContentChanged: {
if (!canRender || !ass_sub.visible)
text_sub.text = text
}
onEngineChanged: { // assume a engine canRender is only used as a renderer
ass_sub.visible = canRender
text_sub.visible = !canRender
}
onEnabledChanged: {
ass_sub.visible = enabled
text_sub.visible = enabled
}
}
}
// ***************************************
// Documentation for meta-data properties.
// ***************************************
/*!
\qmlproperty variant Video::metaData
This property holds a collection of all the meta-data for the media.
You can access individual properties like \l {Video::metaData.title}{metaData.title}
or \l {Video::metaData.trackNumber} {metaData.trackNumber}.
*/
/*!
\qmlproperty variant Video::metaData.title
This property holds the title of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.subTitle
This property holds the sub-title of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.author
This property holds the author of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.comment
This property holds a user comment about the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.description
This property holds a description of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.category
This property holds the category of the media
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.genre
This property holds the genre of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.year
This property holds the year of release of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.date
This property holds the date of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.userRating
This property holds a user rating of the media in the range of 0 to 100.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.keywords
This property holds a list of keywords describing the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.language
This property holds the language of the media, as an ISO 639-2 code.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.publisher
This property holds the publisher of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.copyright
This property holds the media's copyright notice.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.parentalRating
This property holds the parental rating of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.ratingOrganization
This property holds the name of the rating organization responsible for the
parental rating of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.size
This property property holds the size of the media in bytes.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.mediaType
This property holds the type of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.audioBitRate
This property holds the bit rate of the media's audio stream in bits per
second.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.audioCodec
This property holds the encoding of the media audio stream.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.averageLevel
This property holds the average volume level of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.channelCount
This property holds the number of channels in the media's audio stream.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.peakValue
This property holds the peak volume of the media's audio stream.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.sampleRate
This property holds the sample rate of the media's audio stream in Hertz.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.albumTitle
This property holds the title of the album the media belongs to.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.albumArtist
This property holds the name of the principal artist of the album the media
belongs to.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.contributingArtist
This property holds the names of artists contributing to the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.composer
This property holds the composer of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.conductor
This property holds the conductor of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.lyrics
This property holds the lyrics to the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.mood
This property holds the mood of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.trackNumber
This property holds the track number of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.trackCount
This property holds the number of track on the album containing the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.coverArtUrlSmall
This property holds the URL of a small cover art image.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.coverArtUrlLarge
This property holds the URL of a large cover art image.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.resolution
This property holds the dimension of an image or video.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.pixelAspectRatio
This property holds the pixel aspect ratio of an image or video.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.videoFrameRate
This property holds the frame rate of the media's video stream.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.videoBitRate
This property holds the bit rate of the media's video stream in bits per
second.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.videoCodec
This property holds the encoding of the media's video stream.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.posterUrl
This property holds the URL of a poster image.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.chapterNumber
This property holds the chapter number of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.director
This property holds the director of the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.leadPerformer
This property holds the lead performer in the media.
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.writer
This property holds the writer of the media.
\sa {QMediaMetaData}
*/
// The remaining properties are related to photos, and are technically
// available but will certainly never have values.
/*!
\qmlproperty variant Video::metaData.cameraManufacturer
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.cameraModel
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.event
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.subject
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.orientation
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.exposureTime
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.fNumber
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.exposureProgram
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.isoSpeedRatings
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.exposureBiasValue
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.dateTimeDigitized
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.subjectDistance
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.meteringMode
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.lightSource
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.flash
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.focalLength
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.exposureMode
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.whiteBalance
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.DigitalZoomRatio
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.focalLengthIn35mmFilm
\sa {QMediaMetaData::FocalLengthIn35mmFile}
*/
/*!
\qmlproperty variant Video::metaData.sceneCaptureType
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.gainControl
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.contrast
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.saturation
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.sharpness
\sa {QMediaMetaData}
*/
/*!
\qmlproperty variant Video::metaData.deviceSettingDescription
\sa {QMediaMetaData}
*/
|