Macromedia flash media server 2-client-side actionscript language reference for flash media server 2 ユーザーズマニュアル

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Client-Side ActionScript Language Reference
NetStream.play()
Availability
Flash Player 6.
Flash Communication Server MX 1.0.
Usage
public play(name : Object [,start : Number[, len : Number[, reset 
Object]]])
Parameters
name
  An identifying name for live data published by 
, a recorded file 
name for playback, or 
false
. If you pass 
false
, the stream stops playing and any additional 
parameters you send are ignored. 
To play back FLV files, the default Flash file format for recorded streams, specify the name of 
the stream without a file extension (for example, 
"bolero"
). To play back MP3 files that 
you’ve stored on the server or the ID3 tags of MP3 files, you must precede the stream name 
with 
mp3:
 or 
id3:
—for example, 
"mp3:bolero"
 or 
"id3:bolero"
. For more information on 
playing MP3 files, see Developing Media Applications
start
  An optional numeric parameter that specifies the start time, in seconds. This 
parameter can also be used to indicate whether the stream is live or recorded. 
The default value for 
start
 is -2, which means that Flash first tries to play the live stream 
specified in 
name
. If a live stream of that name is not found, Flash plays the recorded 
stream specified in 
name
. If neither a live nor a recorded stream is found, Flash opens a live 
stream named 
name
, even though no one is publishing on it. When someone does begin 
publishing on that stream, Flash begins playing it.
If you pass -1 for 
start
, Flash plays only the live stream specified in 
name
. If no live 
stream is found, Flash waits for it indefinitely if 
len
 is set to -1; if 
len
 is set to a different 
value, Flash waits for 
len
 seconds before it begins playing the next item in the playlist.
If you pass 0 or a positive number for 
start
, Flash plays only a recorded stream named 
name
, beginning 
start
 seconds from the beginning of the stream. If no recorded stream is 
found, Flash begins playing the next item in the playlist immediately.
If you pass a negative number other than -1 or -2 for 
start
, Flash interprets the value as 
if it were -2.