| Pacote | org.osmf.elements |
| Classe | public class LightweightVideoElement |
| Herança | LightweightVideoElement  LoadableElementBase MediaElement EventDispatcher Object |
| Subclasses | VideoElement |
| Versão da linguagem: | ActionScript 3.0 |
| Versão de produto: | OSMF 1.0 |
| Versões de runtime: | Flash Player 10, AIR 1.5 |
LightweightVideoElement is a lightweight alternative to VideoElement. Whereas LightweightVideoElement supports only a subset of video delivery modes (specifically progressive and simple RTMP streaming), VideoElement supports all video delivery modes.
The LightweightVideoElement uses a NetLoader class to load and unload its media. Developers requiring custom loading logic for video can pass their own loaders to the LightweightVideoElement constructor. These loaders should subclass NetLoader.
The basic steps for creating and using a LightweightVideoElement are:
- Create a new URLResource pointing to the URL of the video stream or file containing the video to be loaded.
- Create a new NetLoader.
- Create the new LightweightVideoElement, passing the NetLoader and URLResource as parameters.
- Create a new MediaPlayer.
- Assign the LightweightVideoElement to the MediaPlayer's
mediaproperty. - Control the media using the MediaPlayer's methods, properties, and events.
- When done with the LightweightVideoElement, set the MediaPlayer's
mediaproperty to null. This will unload the LightweightVideoElement.
The LightweightVideoElement supports Flash Media Token Authentication, for passing authentication tokens through the NetConnection.
The LightweightVideoElement has support for the Flash Player's DRM implementation.
Note that the startDate, endDate, and period
properties of the DRMTrait on this element correspond to the voucher validity before
playback starts. Once playback begins, these properties correspond to the playback
time window (as found on flash.net.drm.DRMVoucher).
Elementos da API relacionados
org.osmf.media.URLResource
org.osmf.media.MediaElement
org.osmf.media.MediaPlayer
org.osmf.net.NetLoader
Ocultar propriedades públicas herdadas
Mostrar propriedades públicas herdadas| Propriedade | Definido por | ||
|---|---|---|---|
| client : NetClient [somente leitura]
The NetClient used by this object's NetStream. | LightweightVideoElement | ||
 | constructor : Object
Uma referência ao objeto de classe ou à função de construtor de uma determinada ocorrência de objeto. | Object | |
| container : IMediaContainer [somente leitura]
The media container that this element uses. | MediaElement | |
| currentFPS : Number [somente leitura]
The number of frames per second being displayed. | LightweightVideoElement | ||
| deblocking : int
Indicates the type of filter applied to decoded video as part of post-processing. | LightweightVideoElement | ||
| defaultDuration : Number
Defines the duration that the element's TimeTrait will expose until the
element's content is loaded. | LightweightVideoElement | ||
| metadataNamespaceURLs : Vector.<String> [somente leitura]
A Vector containing the namespace URLs for all Metadata
objects stored within this MediaElement. | MediaElement | |
| resource : MediaResourceBase
The media resource that this media element operates on. | MediaElement | |
| smoothing : Boolean
Specifies whether the video should be smoothed (interpolated) when it is scaled. | LightweightVideoElement | ||
| traitTypes : Vector.<String> [somente leitura]
A Vector of MediaTraitType values representing the trait types on this
media element. | MediaElement | |
| Método | Definido por | ||
|---|---|---|---|
Constructor. | LightweightVideoElement | ||
| addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void
Registra um objeto de ouvinte de evento em um objeto EventDispatcher, de forma que o ouvinte receba a notificação de um evento. | EventDispatcher | |
|
Adds a Metadata object to this MediaElement under the specified namespace URL. | MediaElement | |
|
Envia um evento para o fluxo de eventos. | EventDispatcher | |
|
Returns the Metadata object that is stored under this MediaElement with
the specified namespace URL. | MediaElement | |
|
Returns the media trait of the specified type. | MediaElement | |
|
Verifica se o objeto EventDispatcher tem ouvintes registrados para um tipo específico de evento. | EventDispatcher | |
|
Indica se um objeto tem uma propriedade especificada definida. | Object | |
|
Determines whether this media element has a media trait of the
specified type. | MediaElement | |
|
Indica se uma ocorrência da classe Object está na cadeia de protótipos do objeto especificado como o parâmetro. | Object | |
|
Indica se a propriedade especificada existe e é enumerável. | Object | |
|
Remove um ouvinte do objeto EventDispatcher. | EventDispatcher | |
|
Removes the Metadata object that was stored under this MediaElement with
the specified namespace URL. | MediaElement | |
|
Define a disponibilidade de uma propriedade dinâmica para operações de repetição. | Object | |
|
Retorna a representação da string deste objeto, formatado segundo as convenções específicas para a localidade. | Object | |
|
Retorna a representação de string do objeto especificado. | Object | |
|
Retorna o valor primitivo do objeto especificado. | Object | |
|
Verifica se um ouvinte de evento está registrado nesse objeto EventDispatcher ou em qualquer um de seus ancestrais para o tipo de evento especificado. | EventDispatcher | |
client | propriedade |
client:NetClient [somente leitura] | Versão da linguagem: | ActionScript 3.0 |
| Versão de produto: | OSMF 1.0 |
| Versões de runtime: | Flash Player 10, AIR 1.5 |
The NetClient used by this object's NetStream. Will be null until this object has been loaded (as indicated by its LoadTrait entering the READY state).
Implementação
public function get client():NetClientcurrentFPS | propriedade |
deblocking | propriedade |
deblocking:int| Versão da linguagem: | ActionScript 3.0 |
| Versão de produto: | OSMF 1.0 |
| Versões de runtime: | Flash Player 10, AIR 1.5 |
Indicates the type of filter applied to decoded video as part of post-processing. The default value is 0, which lets the video compressor apply a deblocking filter as needed. See flash.media.Video for more information on deblocking modes.
Implementação
public function get deblocking():int public function set deblocking(value:int):voidElementos da API relacionados
defaultDuration | propriedade |
defaultDuration:Number| Versão da linguagem: | ActionScript 3.0 |
| Versão de produto: | OSMF 1.0 |
| Versões de runtime: | Flash Player 10, AIR 1.5 |
Defines the duration that the element's TimeTrait will expose until the element's content is loaded. Setting this property to a positive value results in the element becoming temporal. Any other value will remove the element's TimeTrait, unless the loaded content is exposing a duration.
Implementação
public function get defaultDuration():Number public function set defaultDuration(value:Number):voidsmoothing | propriedade |
smoothing:Boolean| Versão da linguagem: | ActionScript 3.0 |
| Versão de produto: | OSMF 1.0 |
| Versões de runtime: | Flash Player 10, AIR 1.5 |
Specifies whether the video should be smoothed (interpolated) when it is scaled. For smoothing to work, the runtime must be in high-quality mode (the default). The default value is false (no smoothing). Set this property to true to take advantage of mipmapping image optimization.
Implementação
public function get smoothing():Boolean public function set smoothing(value:Boolean):voidElementos da API relacionados
LightweightVideoElement | () | Construtor |
public function LightweightVideoElement(resource:MediaResourceBase = null, loader:NetLoader = null)| Versão da linguagem: | ActionScript 3.0 |
| Versão de produto: | OSMF 1.0 |
| Versões de runtime: | Flash Player 10, AIR 1.5 |
Constructor.
Parâmetrosresource:MediaResourceBase (default = null) | |
loader:NetLoader (default = null) |
Lança
ArgumentError — If resource is not an URLResource.
|
package asdoc.org.osmf.elements
{
import flash.display.Sprite;
import flash.display.StageAlign;
import flash.display.StageScaleMode;
import org.osmf.elements.LightweightVideoElement;
import org.osmf.elements.VideoElement;
import org.osmf.media.MediaPlayer;
import org.osmf.media.MediaPlayerSprite;
import org.osmf.media.URLResource;
public class LightweightVideoElementExample extends Sprite
{
public function LightweightVideoElementExample()
{
super();
stage.scaleMode = StageScaleMode.NO_SCALE;
stage.align = StageAlign.TOP_LEFT;
var mediaPlayerSprite:MediaPlayerSprite = new MediaPlayerSprite();
var videoElement:LightweightVideoElement = new LightweightVideoElement();
videoElement.resource = new URLResource("http://mediapm.edgesuite.net/strobe/content/test/AFaerysTale_sylviaApostol_640_500_short.flv");
addChild(mediaPlayerSprite);
mediaPlayerSprite.media = videoElement;
}
}
}
Wed Jun 13 2018, 11:10 AM Z