Removal of NetStream/NetConnections if not used

Hello

Is it possible to write code that looks to see if a NetConnection and NetStream object exists in the scene and so remove them (or *. close(); or other)? I would like to be able to 'see' these 'invisible' object types to get a better grip on when/how/where these things are created (with marks). It is the same for all of these * .addEventListener I continue to create everywhere in AS3. Is there a way to scroll through each of these 'hidden' in a scene and get some sort of status on them?

Any ideas would be most appreciated.

-ropeGun

LuigiL!

Thanks again for your help and your insight. After re-reading the section on deleting more closely, I saw that the objects not created dynamically cannot be deleted using the delete command, but rather that they should be cancelled. And your suggestion worked perfectly! Thank you for pushing me in the right direction - much appreciated.

To the extent where the loop that traverses an entire scene to tell me that the State of all objects - I have generally a good grip on when I give life to objects in my scene and ask them to react accordingly to events, sometimes (for debugging purposes) I would be able to see what is happening behind the scenes. I realize that could be misleading to create such loop of headaches.

I have a theory in developing you, rothrock, kglad, and. Al. are actually robots with brains of supercomputer (using technology ultra-secret gov ' t I) who works tirelessly to help us mere mortals go down with the ActionScript down. ... I'm right, aren't I? Give me a sign if I'm something here.... Dim the lights of my brief of cabin, or something, if I'm on the right track...

;-)

Thanks again!

-ropeGun

Tags: Adobe Animate

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    < code >

    Any help?

    Here is the code for the component. I hope there is nothing odd about that. I have included my contact information at the top. Please send me an email me or Adobe PM if you have questions or comments about this code. Hope this helps someone. It took me a good while to tinker until I found this.

    You can also find this useful if you do not need to completely rebuild the component. http://bryanheisey.com/blog/?p=21

    [CODE]

    /* Contact info: Jordan: [email protected] between 2010 and 2015. */
    
    /* The built-in video display object would not work for our purposes, because it would leak enormous amounts of memory (in the order of 200-300MB) every time a new
     * video was loaded in and played. It was almost as though it retained all previous videos played in memory, rather than replacing the video it had loaded.
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     * http://www.flashwebdesigns.com.au/index.php/2010/07/custom-flex-4-spark-videodisplay. More details of what this actually is found right above the constructor. */
    
    /* TODO: Looping pauses for a moment before restarting.
              */
    package customComponents
    {
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          * SoundTransform is a class used to control the volume in the NetStream, and so when the volume is changed, we need to use this to create a new sound handler for the
               stream.
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          * NetConnection is used to initiate our NetStream. NetConnection is looking for a server connection. When we pass through null as the server, it knows we're after
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          * UIComponent is what this component extends, so it's needed for the basis of our component.
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          * TimeEvent was the original type of event used in s:VideoDisplay, so working on changing as little as possible, we kept that as our event types, and by the time we
               finished, there was no point to changing it. */
    
         import flash.events.Event;
         import flash.events.NetStatusEvent;
         import flash.media.SoundTransform;
         import flash.media.Video;
         import flash.net.NetConnection;
         import flash.net.NetStream;
    
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         import mx.events.FlexEvent;
    
         import org.osmf.events.TimeEvent;
    
         /* Events */
    
         /* complete is dispatched when the playhead reaches the duration for playable media.
          * original eventType: org.osmf.events.TimeEvent.COMPLETE */
         [Event(name="complete", type="org.osmf.events.TimeEvent")]
         /* durationChange is dispatched when the duration property of the media has changed.
          * This event may not be dispatched when the source is set to null or a playback error occurs.
          * original eventType: org.osmf.events.TimeEvent.DURATION_CHANGE */
         [Event(name="durationChange", type="org.osmf.events.TimeEvent")]
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         [Event(name="needToSeek", type="flash.events.Event")]
    
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          * to stream the video files off the hard driver rather than loading them into the player. By disallowing caching of any kind, we overcome memory leaks of
          * that magnitute, and provide a tool that can last all day switching between videos often. */
    
         public class VideoDisplayCustom extends UIComponent
         {
              /* Constructor */
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              {
                   super();
                   // We want to have an init() function, so we listen for it's dispatch.
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                   // We build the actual stuff that plays our videos.
                   createUnderlyingVideoPlayer();
                   // The next three lines ensures that code farther down will work. We compare durations in vidInfo, which is just an array, so we first need to give it a duration
                   // value to compare (it's bad if we compare null to a number)
                   var tempArray:Array = new Array();
                   tempArray["duration"] = 0;
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              }
    
              /* We need to allow everything time to initialize before we start trying create some things or addressing parts of some components. Looking towards expandability,
               * also, this only makes sense to have.
               * Called from: this.Creation_Complete, which event is fired after this component is all put together. */
              private function init(event:FlexEvent):void
              {
                   // since we added the event listener, we need to pull it off.
                   this.removeEventListener(FlexEvent.CREATION_COMPLETE, init);
                   videoPlayer.visible = true;
              }
    
              /* Global variables */
    
              // Define our constants \\
    
              // Time to buffer, in seconds, before it begins playback. Later assigned to the NetStream object. Since all our files loaded are on the local host, we
              // don't need to set this very high. And if we use a black screen, we can specify a minimum buffer size.
              protected const BUFFER_TIME:Number = 8;
    
              // Public variables \\
    
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              // Private and protected variables \\
    
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              /* Meathods of this component (aka public functions), visible to the whole program. */
    
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              /* Function that mutes the video. When it is called again, it restores the previous volume.
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                        muted = true;
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              /* Getter and setter functions */
    
              /* Used by VideoScreenCustom to know what the current time in the video is so that it can rewind, fastforward (by passing through a new time to seek to), and so
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              }
    
              /* Used by the videoScreenCustom to know if it is even possible to fast forward any (if within the skip interval from the end, then FFing is not possible). Also
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              public function get duration():Number
              {
                   return vidInfo.duration;
              }
    
              /* Since we're remembering both the previous and the current source, we need to specify that we are returning the newSource through this getter function.
               * Externally, this looks just like a public variable. */
              public function get source():String
              {
                   return newSource;
              }
    
              /* Since we remember both the old and the current source, when the source is changed (.source = "somePath"), we need to copy the current source, then set the new
               * one so that we can use it in this to know whether to load the video or not (we don't want to load it if it is already loaded in and playing). Externally, this
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              public function set source(sourceToSet:String):void
              {
                   oldSource = newSource;
                   newSource = sourceToSet;
              }
    
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              {
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                   {
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              /* We store the metadata information gathered by the NetStream object, so that we can get to it later in this program. This isn't truly a meathod (meaning available
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                   videoPlayer.x = 0;
                   videoPlayer.y = ((playerHeight - videoPlayer.height) / 2);
              }
    
              /* In order to change the volume, we have to apply a new soundTransform object. So, here we create it and do that.
               * Called from: mute(), createUnderlyingVideoPlayer(), and the setter function set volume(). */
              protected function setVolume(volumeToSet:Number):void
              {
                   var soundTransform:SoundTransform = new SoundTransform(volumeToSet);
                   netStream.soundTransform = soundTransform;
              }
    
              /* For our screensaver, we needed to allow the video to loop. This function will handle that. The only problem is, since we wait for it to .Stop (see Called from:),
               * there is a pause between the end of the video, and when it starts over.
               * Called from: netStatusHandler for NetStream.Play.Stop */
              protected function loopVideo():void
              {
                   netStream.seek(0);
              }
    
              /* We need to pay attention to what the NetStream is saying and react accordingly. Especially when the video ends. All NetStream andNetConnection events on
               * documentation at Adobe are listed as a comment at the end of the class (very end of this file).
               * Called from: the NetStream and NetConnection event when they spit out an event. */
              protected function netStatusHandler(event:NetStatusEvent):void
              {
                   switch (event.info.code)
                   {
                        case "NetStream.Play.StreamNotFound":
                             trace("Error. Stream not found: " + source);
                             break;
                        case "NetStream.Play.Stop":
                             if(loop)
                             {
                                  loopVideo();
                             } else {
                                  var playedTime:Number = int(netStream.time);
                                  var totalTime:Number = int(vidInfo.duration);
                                  // if we're within 2 seconds of the end, assume we're at the end.
                                  if(Math.abs(totalTime - playedTime) <= 1)
                                  {
                                       dispatchComplete();
                                  }
                             }
                             break;
                   }
              }
    
              /* Event Dispatching Functions */
    
              /* Sent out to let the hosting component (VideoScreenCustom) know that the end of the video clip has been reached.
               * Called from: NetStream's NetStream.Play.Stop event code, sent out whenever the end of the video playing through the stream is reached. */
              protected function dispatchComplete():void
              {
                   var eventObj:TimeEvent = new TimeEvent("complete");
                   dispatchEvent(eventObj);
              }
    
              /* When the new and old sources have different durations (meaning a new video has been loaded), this is called to let the hosing component know we have a new vid.
               * Called from: onMetaData (onXMPData), which is called whenever a video is loaded. */
              protected function dispatchDurationChange():void
              {
                   var eventObj:TimeEvent = new TimeEvent("durationChange");
                   dispatchEvent(eventObj);
              }
    
              /* When we don't have a new video, we still need to call seek() after the NetStream is aware that the video is the same. Or something. I'm not sure why, but we need
               * to seek after things have been set and run for a few microseconds. This is used for FFing, RRing, but mostly for seeking to a new "chapter" in a continuous
               * video during playback.
               * Called from: play() above. */
              protected function dispatchNeedToSeek():void
              {
                   var eventObj:Event = new Event("needToSeek");
                   dispatchEvent(eventObj);
              }
    
         }
    }
    
    /*
    The following table describes the possible string values of the code and level properties.
    Code property Level property Meaning
    "NetStream.Play.Start" "status" Playback has started.
    "NetStream.Play.Stop" "status" Playback has stopped.
    "NetStream.Play.Failed" "error" An error has occurred in playback for a reason other than those listed elsewhere in this table, such as the subscriber not having read access.
    "NetStream.Play.StreamNotFound" "error" The FLV passed to the play() method can't be found.
    "NetStream.Play.Reset" "status" Caused by a play list reset.
    "NetStream.Play.PublishNotify" "status" The initial publish to a stream is sent to all subscribers.
    "NetStream.Play.UnpublishNotify" "status" An unpublish from a stream is sent to all subscribers.
    "NetStream.Play.InsufficientBW"  "warning" Flash Media Server only. The client does not have sufficient bandwidth to play the data at normal speed.
    "NetStream.Play.FileStructureInvalid" "error" The application detects an invalid file structure and will not try to play this type of file. For AIR and for Flash Player 9.0.115.0 and later.
    "NetStream.Play.NoSupportedTrackFound" "error" The application does not detect any supported tracks (video, audio or data) and will not try to play the file. For AIR and for Flash Player 9.0.115.0 and later.
    "NetStream.Play.Transition" "status" Flash Media Server only. The stream transitions to another as a result of bitrate stream switching. This code indicates a success status event for the NetStream.play2() call to initiate a stream switch. If the switch does not succeed, the server sends a NetStream.Play.Failed event instead. For Flash Player 10 and later.
    "NetStream.Play.Transition" "status" Flash Media Server 3.5 and later only. The server received the command to transition to another stream as a result of bitrate stream switching. This code indicates a success status event for the NetStream.play2() call to initiate a stream switch. If the switch does not succeed, the server sends a NetStream.Play.Failed event instead. When the stream switch occurs, an onPlayStatus event with a code of "NetStream.Play.TransitionComplete" is dispatched. For Flash Player 10 and later.
    "NetStream.Pause.Notify" "status" The stream is paused.
    "NetStream.Unpause.Notify" "status" The stream is resumed.
    "NetStream.Record.Start" "status" Recording has started.
    "NetStream.Record.NoAccess" "error" Attempt to record a stream that is still playing or the client has no access right.
    "NetStream.Record.Stop" "status" Recording stopped.
    "NetStream.Record.Failed" "error" An attempt to record a stream failed.
    "NetStream.Seek.Failed" "error" The seek fails, which happens if the stream is not seekable.
    "NetStream.Seek.InvalidTime" "error" For video downloaded with progressive download, the user has tried to seek or play past the end of the video data that has downloaded thus far, or past the end of the video once the entire file has downloaded. The message.details property contains a time code that indicates the last valid position to which the user can seek.
    "NetStream.Seek.Notify" "status" The seek operation is complete.
    "NetConnection.Call.BadVersion" "error" Packet encoded in an unidentified format.
    "NetConnection.Call.Failed" "error" The NetConnection.call method was not able to invoke the server-side method or command.
    "NetConnection.Call.Prohibited" "error" An Action Message Format (AMF) operation is prevented for security reasons. Either the AMF URL is not in the same domain as the file containing the code calling the NetConnection.call() method, or the AMF server does not have a policy file that trusts the domain of the the file containing the code calling the NetConnection.call() method.
    "NetConnection.Connect.Closed" "status" The connection was closed successfully.
    "NetConnection.Connect.Failed" "error" The connection attempt failed.
    "NetConnection.Connect.Success" "status" The connection attempt succeeded.
    "NetConnection.Connect.Rejected" "error" The connection attempt did not have permission to access the application.
    "NetStream.Connect.Closed" "status" The P2P connection was closed successfully. The info.stream property indicates which stream has closed.
    "NetStream.Connect.Failed" "error" The P2P connection attempt failed. The info.stream property indicates which stream has failed.
    "NetStream.Connect.Success" "status" The P2P connection attempt succeeded. The info.stream property indicates which stream has succeeded.
    "NetStream.Connect.Rejected" "error" The P2P connection attempt did not have permission to access the other peer. The info.stream property indicates which stream was rejected.
    "NetConnection.Connect.AppShutdown" "error" The specified application is shutting down.
    "NetConnection.Connect.InvalidApp" "error" The application name specified during connect is invalid.
    "SharedObject.Flush.Success" "status" The "pending" status is resolved and the SharedObject.flush() call succeeded.
    "SharedObject.Flush.Failed" "error" The "pending" status is resolved, but the SharedObject.flush() failed.
    "SharedObject.BadPersistence" "error" A request was made for a shared object with persistence flags, but the request cannot be granted because the object has already been created with different flags.
    "SharedObject.UriMismatch" "error" An attempt was made to connect to a NetConnection object that has a different URI (URL) than the shared object. 
    
    If you consistently see errors regarding the buffer, try changing the buffer using the NetStream.bufferTime property.
    
    */
    

    [/ CODE]

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