video object (Windows)

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Specifies the video content to be played in a document.

HTML5 A vocabulary and associated APIs for HTML and XHTML, Section 4.8.6

DOM Information

Inheritance Hierarchy

Node

Element

HTMLElement

HTMLMediaElement

video

Members

The video object has these types of members:

Events
Properties

Events

The video object has these events.

Event	Description
canplay	Occurs when playback is possible, but would require further buffering.
canplaythrough	Occurs when playback to end is possible without requiring a stop for further buffering.
durationchange	Occurs when the duration attribute is updated.
emptied	Occurs when the media element is reset to its initial state.
ended	Occurs when the end of playback is reached.
loadeddata	Occurs when media data is loaded at the current playback position.
loadedmetadata	Occurs when the duration and dimensions of the media have been determined.
loadstart	Occurs when Internet Explorer begins looking for media data.
pause	Occurs when playback is paused.
play	Occurs when the play method is requested.
playing	Occurs when the audio or video has started playing.
progress	Occurs to indicate progress while downloading media data.
ratechange	Occurs when the playback rate is increased or decreased.
seeked	Occurs when the seek operation ends.
seeking	Occurs when the current playback position is moved.
stalled	Occurs when the download has stopped.
suspend	Occurs if the load operation has been intentionally halted.
timeupdate	Occurs to indicate the current playback position.
volumechange	Occurs when the volume is changed, or playback is muted or unmuted.
waiting	Occurs when playback stops because the next frame of a video resource is not available.

Properties

The video object has these properties.

Property	Description
autoplay	Gets or sets a value that indicates whether to start playing the media automatically.
buffered	Gets a collection of buffered time ranges.
controls	Gets or sets a flag that indicates whether the client provides a set of controls for the media (in case the developer does not include controls for the player).
currentSrc	Gets the address or URL of the current media resource (video,audio) that is selected by IHTMLMediaElement.
currentTime	Gets or sets the current playback position, in seconds.
defaultPlaybackRate	Gets or sets the default playback rate when the user is not using fast foward or reverse for a video or audio resource.
duration	Gets the duration, in seconds, of the current media resource, a `NaN` value if duration is not available, or `Infinity` if the media resource is streaming.
ended	Gets information about whether the playback has ended or not.
error	Gets an IHTMLMediaError object representing the current error state of the media element.
height	Gets or sets the height of the video element.
initialTime	Gets the earliest possible position, in seconds, that the playback can begin.
loop	Gets or sets a flag that specifies whether playback should restart after it completes.
muted	Gets or sets a flag that indicates whether the audio (either audio or the audio track on video media) is muted.
networkState	Gets the current network activity for the element.
paused	Gets a flag that specifies whether playback is paused.
playbackRate	Gets or sets the current speed for the media resource to play. This speed is expressed as a multiple of the normal speed of the media resource.
played	Gets TimeRanges for the current media resource that has been played.
poster	Gets or sets a URL of an image to display, for example, like a movie poster. This can be a still frame from the video, or another image if no video data is available.
preload	Gets or sets a hint to how much buffering is advisable for a media resource, even if autoplay is not specified.
seekable	Returns a TimeRanges object that represents the ranges of the current media resource that can be seeked.
seeking	Gets a flag that indicates whether the the client is currently moving to a new playback position in the media resource.
src	The address or URL of the a media resource (video, audio) that is to be considered.
textTracks	Returns a list of TextTrack objects from a video object.
videoHeight	Gets the intrinsic height of a video in CSS pixels, or zero if the dimensions are not known.
videoWidth	Gets the intrinsic width of a video in CSS pixels, or zero if the dimensions are not known.
volume	Gets or sets the volume level for audio portions of the media element.
width	Gets or sets the width of the video element.

Standards information

HTML5 A vocabulary and associated APIs for HTML and XHTML, Section 4.8.6

Remarks

Beginning with a Windows Store app using JavaScript, any audio or video content needs the correct mime type set on the server, or the files won't play. a Windows Store app using JavaScript supports MP3 audio, and MP4 audio and video. WebM audio and video files can be supported by installing the WebM components from The WebM project. The following table shows the required settings for your web server to host these files correctly.

Media file to serve	Extension setting	Mime type setting
Audio mp3	mp3	audio/mpeg
Audio mp4	m4a	audio/mp4
Audio WebM	webm	audio/webm
Video mp4	mp4	video/mp4
Video webm	webm	video/webm

The following extensions are available to the Video object when used in a Windows Store app built for Windows using JavaScript.

Microsoft Extension	Description
msClearEffects	Clears all effects from the media pipeline.
msFrameStep	Steps the video by one frame forward or one frame backward. Only available on the video object.
msInsertAudioEffect	Inserts the specified audio effect into media pipeline.
msInsertVideoEffect	Inserts the specified video effect into media pipeline.
msSetMediaProtectionManager	Specifies the media protection manager for a given media pipeline.
msSetVideoRectangle	Sets the dimensions of a sub-rectangle within a video. Only available on the video object.
msAudioCategory	Specifies the purpose the audio or video media, such as background audio or alerts.
msAudioDeviceType	Specifies the output devices that the audio will be sent to.
msHorizontalMirror	Sets or gets whether a video element is flipped horizontally in the display. Only available on the video object.
msIsLayoutOptimalForPlayback	Indicates whether the video can be rendered more efficiently.
msIsStereo3D	Determines whether the system considers the video source that is loaded to be stereo 3-D or not. Only available on the video object.
msPlayToDisabled	Gets or sets whether the PlayTo device is available.
msPlayToPrimary	Gets or sets the primary PlayTo device.
msPlayToSource	Gets the source associated with the media element for use by the PlayToManager.
msRealTime	Specifies whether or not to enable low-latency playback on the media element.
msStereo3DPackingMode	Gets or sets the frame-packing mode for stereo 3-D video content. Only available on the video object.
msStereo3DRenderMode	Gets or sets whether the system display is set to stereo display (if stereo-capable). Only available on the video object.
msZoom	Gets or sets whether the video frame is trimmed, on the top and bottom or left and right, to fit the video display. Only available on the video object.
onMSVideoFormatChanged	Occurs when the video format changes. Only available on the video object.
onMSVideoFrameStepCompleted	Occurs when the video frame has been stepped forward or backward one frame. Only available on the video object.
onMSVideoOptimalLayoutChanged	Occurs when the msIsLayoutOptimalForPlayback state changes.

For information on video formats supported on the Video tag when used in a Windows Store app using JavaScript, see Supported audio and video formats.

To prevent the display from be deactivating when user action is no longer detected, such as when an app is playing video, you can call DisplayRequest.RequestActive. To conserve power and battery life, you should call DisplayRequest.RequestRelease to release the display request when it is no longer required. See the Display power state sample for more info.

For an example of audio and video playback in a Windows Store app using JavaScript, see the HTML media playback sample.

For additional information on creating Windows Store apps using JavaScript, see Roadmap for Windows Store apps using JavaScript.

For additional information on playing audio and video in a Windows Store app using JavaScript, see Adding multimedia. For information on audio and video performance, see Audio and video performance.

video object