MACROMEDIA FLASH MEDIA SERVER 2-CLIENT-SIDE ACTIONSCRIPT LANGUAGE REFERENCE FOR FLASH MEDIA SERVER 2 Manual do Utilizador descarregar pdf (Página 158)

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SERVER-SIDE ACTIONSCRIPT LANGUAGE REFERENCE FOR ADOBE MEDIA SERVER 5.0.1

Server-Side ActionScript Language Reference

Last updated 7/2/2013

Stream.getOnMetaData()

Stream.getOnMetaData(name)

Static; returns an object containing the metadata for the named stream or video file. The object contains one property

for each metadata item. The Flash Video Exporter utility (version 1.1 or later) embeds video duration, creation date,

data rates, and other information into the video file.

Availability

Flash Media Server 2

Parameter

name A string indicating the name of a recorded stream, such as "myVideo". For FLV files, pass the name without a

file extension or prefix:

"myVideo". For F4V files, pass the name with the prefix mp4: "mp4:myVideo". Append a file

extension if the F4V file has a file extension.

Returns

An Object containing the metadata as properties.

Example

The following example lists the properties and values for the metadata for the recorded stream myVideo.flv:

var infoObject = Stream.getOnMetaData("myVideo");

trace("Metadata for myVideo.flv:");

for(i in infoObject){

trace(i + " = " + infoObject[i]);

}

Stream.length()

Stream.length(name[, virtualKey])

Static; returns the length of a recorded file in seconds. If the requested file is not found, the return value is 0.

Availability

Flash Communication Server 1

Parameters

name A string indicating the name of a recorded stream. To get the length of an MP3 file, precede the name of the file

with

mp3: (for example, "mp3:beethoven").

virtualKey A string indicating a key value. Starting with Adobe Media Server 2, stream names are not always unique.

You can create multiple streams with the same name and place them in different physical directories. Then, use the

VirtualDirectory section and VirtualKeys section of the Vhost.xml file to direct clients to the appropriate stream.

The

Stream.length() method is not associated with a client, but connects to a stream on the server. As a result, you

may need to specify a virtual key to identify the correct stream. For more information about keys, see

Client.virtualKey. This parameter is optional.

Returns

A number.

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