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Call functions run when External Video events are triggered (Start, Buffer, End)

Posted on 2007-03-27
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Last Modified: 2010-04-03
I need to have several functions run when Video events are triggered.

Specifically, I have a flash program that plays an external FLV file that is set to stream (as opposed to embedding it within the flash movie).  I need to run a function as soon as the video starts playing (AFTER IT FINISHES BUFFERING) and also as soon as the video ends playing.  I would also like to know if and when the video ever goes back to buffering (i can hopefully avoid this by setting the "buffertime" parameter to something large like 30 seconds).

To reiterate I need 3 things:

1. Call a function when buffering of an externally streamed video ends and video playback begins.
2. Some way to know if and when buffering begins again.
3. Call a function as soon as the video playback ends.

Thanks a lot for your help!
Jeff
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Question by:buktotruth
  • 2
3 Comments
 
LVL 5

Expert Comment

by:victmo
ID: 18801656
Hello,

You need to use the NetStream.onStatus method to get this information, try printing the netstream status to see how it beahves:

stream_ns.onStatus = function(status_obj:Object){
      trace(status_obj.code);
};



Here's an example of a script i used to display a video:



var connection_nc:NetConnection = new NetConnection();
connection_nc.connect(null);
var stream_ns:NetStream = new NetStream(connection_nc);
my_video.attachVideo(stream_ns);

stream_ns.play("video_file.flv");

stream_ns.onMetaData = function(meta_obj:Object){
      my_video.duration = meta_obj.duration;
}

stream_ns.onStatus = function(status_obj:Object){
      switch(status_obj.code){

            case "NetStream.Play.Start":
                  //ToDo - Videa has been found and loaded but buffer is no ready loading._visible=false;
                  break;

            case "NetStream.Buffer.Full":
                  //ToDo - Buffer is full, start playing...
                  break;

            case "NetStream.Buffer.Flush":
                  if(Math.abs(my_video.duration-stream_ns.time)<1){ //half second tolerance...
                        stream_ns.close();
                        //ToDo - END OF VIDEO
                  }
                  break;

            case "NetStream.Buffer.Empty":
                  //ToDo - BUFFERING... buff._visible = true
                  break;

            default:
                  //Usually playing... buff._visible = false
                  break;                  
      }
};

stop();



Hope it helps,

Vic
0
 

Author Comment

by:buktotruth
ID: 18802730
A couple of questions about this.

1)  I'm pretty sure i'm using AS2.0 (Flash Pro 8).  Will this still work?

2) Where do i put that initial line of code?

"stream_ns.onStatus = function(status_obj:Object){
      trace(status_obj.code);
}"

3) within that last bit of code, is stream_ns the name of the FLV Playback instance?
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LVL 5

Accepted Solution

by:
victmo earned 260 total points
ID: 18826991
Hi buktotruth,

Sorry for taking this long to answer, i had to go out of town and i didnt have time to check on you question.

The code i gave you works fine on Actionscript 2.0 (Flash 8) but you need to have a Video instance (my_video) on the stage, not a FLVPlayback component.

I´ll try to upload an example for you to check later

Cheers,

Vic
0

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