ActionScript 3.0 :: SoundChannel + AddEventListener Gets 1009?
Jul 9, 2009
I'm having some problems with a script.I developed the app on a mac. It's intended to be both on mac and windows and also air and swf (I save data or not depending if it's installed or not).I've tested it on mac and several pc (winXP) but on win 2003 server and win 2008 server I get an error. Also on a winXP without flash player installed (through the projector) breaks at the same point.The problem is on the red line. It does always work right, sound loads, plays and when it finishes the event is called (in this case it loops). In other cases when sound completes the event should load a screen or so but, as I get an 'Error #1009: Cannot access a property or method of a null object reference' so the movie stops.I need all sounds to be inside flash so I put them in library and set their classes as com.escacs.sound.* (there are many sounds) I can't understand how mainSC can be null or undefined if the previous instruction initializes it.
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Jun 30, 2010
What is wrong with this snippet of code? It gives me a #1009 error. How do I make it so that event listener will work with this child? This is all on the first frame. I want it to stay in the first frame (I don't like using external stuff with packages)
[Code]...
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Apr 3, 2010
I'm fairly new to Actionscript 3.0, and I'm having some trouble with this error. I'm currently setting up a small Space Shooter game and am stuck at this error. All was working fine until I started to code the movement class.Error:
Code:
GameScreen
TypeError: Error #1009: Cannot access a property or method of a null object reference.
[code].....
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Dec 6, 2008
I just finished a simple music player... For testing purposes. I upload it in the following address:http:[url]....with 10 music songs that I had recorded from radio stations(added the last 2 twice for testing).The problem is that when a song has totally loaded, stop action taken needs about 1 second to be applied!I.e. When I press "STOP", the sound continue to play for 1 sec before stop. When I push "pause" it takes one second for the music to stop!
However when using resume (second time pause) the sound starts instantly! Thus I guess there is an issue with stop()function of the SoundChannel object that I am using to stop the sound. Also notice that when unpause the music, it continue ~one second before the last sound - which means that I saved the soundChannel.position number (and also call soundChannel.stop()) in correct time, but it didn't stop immediately - bug!?
This only happens when the application runs through a browser(plugin v. 10) - programmed in CS3.
PS1. Notice that ,this also happens when I change Volume too. Thus because Stop and Volume are parts of SoundChannel, I guess there might be a bug with SoundChannel in online plugins..... :/
PS2. Notice that ,this also happens when I close the browser (firefox). Even if browser is closed the music continue for 1 sec the same way as when pressing stop!.. Thus I guess it's flash bug!...
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Apr 17, 2009
I wondered if there is a way to find out from the soundChannel the url of the sound it is currently playing. once I found out its url, i can than use its name to call something else.Or anyway to find out the sound that is playing on a soundChannel.I will know which channel to look into, but different sound will be loaded into this soundChannel.If this is not possible, i thinking along the line of overloading SoundChannel play method so that is fires an event when the sondchannel plays and also find out the name of the sound file it is currently playing.
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Jun 30, 2009
I am trying to build a simple player inside my swf file. The code is a bit messy but it seems to work.I´m using a soundChannel for Playback..I´m trying to figure out how to have the player play the next song once the previous one has reached its end.Do I add some sort of EventListener to the soundChannel?[code]...
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Sep 2, 2010
when do we use SoundChannel and SoundMixer?
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Jan 12, 2009
i have a little flash-player with a playlist and so, it plays normally a vlc-mp3-stream but has an extended prelisten-function (wich plays the mp3's directly via http, secured with a password)i've got an array with 2 Sound()-objects (for preloading purposes), the code looks like this :
Code:
playStream = url=="";
if (playStream) {
SoundObjects[SN].load(new URLRequest("http://" + URL + ":8001/MIRstream.mp3?" + Math.random()), sloader);
} else {
[code]....
this works for the vlc stream (which is not continuos), but not for the mp3s on the http-server in my opinion, this doesn't makes sense..except, maybe the recent CSRF-hardcore-paranoia [URL]
PS: i use AS3 with flex_sdk_3.2.0.3794 and flashdevelop (i activated flash10-support, but it still works in fp9)
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Dec 27, 2010
The soundChannel only plays once.Im guessing this has to do with using a class?[code]...
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Sep 3, 2007
AS2 -> AS3 migration: doncha just love it?!have a look at the attached code. selection one makes us anew sound and gets it playting, great. then we need to adjust thevolume so we read in the files that:You can alter the volume and panning while a sound is playingby setting the pan or volume properties of a SoundTransform objectand then applying that object as the soundTransform property of aSoundChannel object.great, so selection 2 in code below should do that, right?
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Sep 29, 2011
I was debugging sound in an app and decided to make a little test case as I kept getting odd errors... well I just moved to a new desk yesterday so hadn't hooked up speakers yet. Here's the test:
var backSound:Sound = new bgSound();
var backChannel:SoundChannel = backSound.play(0, 999);
trace(backChannel);
bgSound is just a library sound... if my speakers are unplugged from the sound card backChannel returns null. If speakers a plugged in backChannel is a soundChannel object.
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Oct 23, 2009
so I have a lot of classes in actionscript 2. But I need to modify my application to use the soundchannel object for audio monitoring. as far as i know this is only in actionscript 3. so it it possible to write one class in AS3 and leave the rest in AS2?
if not is there a conversion tool which can make the process easier?
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Jun 8, 2011
EDIT: Sorry for the question being reworded, but I am just simplifying the issue. I am not getting accurate values for SoundChannel. position for an external MP3 that is playing.I've tried a variety of audio bitrates and consistently,i am getting a SoundChannel.position that is less (~250 ms) then where the actual audio has played to. As well, the position never equals the duration. It always finishes behind, even when the SOUND_COMPLETE event is generated.
Adobe says any Sound position/duration issues are fixed with the latest Flash Player. I am obviously not getting the same results. I need very accurate position values in order to have a custom draggable timeline and cue points.
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Jan 15, 2012
I have a Flex(4.6.0) application which creates 3 SoundChannels. I'd like to attach 2 of these channels to a NetStream for publishing, leaving the 3rd SoundChannel only for listening to locally.
The only audio component I can seem to attach to a NetStream is a Microphone, so I could use a Microphone loopback adapter and send ALL sound to the stream, but this would include all channels, windows sounds, sounds from other applications etc.
How do I attach individual soundchannels to a stream, or should I be going about this in a different way?
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Jan 30, 2012
I'm creating a mute/unmute button.I have it working correctly, except 1 part.I want to make my SoundChannels remove themselves when the SOUND_COMPLETE Event is fired.I'm storing my Sounds and SoundChannels in an array called "soundsPlayingArray".I want to do 1 of 2 things.Either:
1) Have my "unMuteAll" function check to see whether a song is "playing" before unmuting it.
2) Remove the Sound + SoundChannel from array (and make them null) when the SOUND_COMPLETE Event fires.
How can I figure out what the instance name of the SoundChannel that dispatched the SOUND_COMPLETE event is?[code]
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Jun 1, 2009
Code: Select allprivate var musicFadeAmount:Number = 0.005; // Amount to fade the music
// Helper function to change volume
private function SetVolume(vol:Number, sc:SoundChannel):void
{
[Code].....
I run the last two rows in an ENTER_FRAME loop, and from the trace in the SetVolume() function I can see that scMusicIdle changes it's volume like it's supposed to, but scMusic keeps it's volume. I can change the volume when I play the sound with a new SoundTransform().
how to fade between two tracks in a better way I'm all ears. If it makes any difference it's an AIR 1.5 app.
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Oct 30, 2009
I am trying to call a method that pulls several variables depending upon the button clicked.Depending upon the button, it will play a certain sound/song. Below is what i have so far, if anyone could figure out why i get the following error: TypeError: Error #1034: Type Coercion failed: cannot convert "test_Btn12_soundChnl" to flash.media.SoundChannel."test_Btn12" is the button that i happened to click on at that time.
Code:
public function buttonClick(e:MouseEvent):void {
playSound(MovieClip(e.currentTarget), SoundChannel(String(e.currentTarget.name) +
[code].....
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Mar 4, 2010
For some reasons, my soundchannel event.sound_complete is not working. Basically, my class is to import sound into it and to allow use to change their volumes and the speedness of the sound.
This is the tutorial for the speed [URL]
Right now, what I want to do is to auto loop back the song once the song have finished play but I have having troubled doing it.
[Code]....
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Apr 10, 2010
As I have commented before I am building English teaching apps. I will have music playing in the background, words being pronounced and at times a surprise sentence. All three could sound at the same time at any given point. To build this properly should I use SoundChannel for all of these?
At the moment my code for the music loop is as so. The sound is in the library and exported for AS. Is this code fine or is it better to assign it to the SoundChannel class.
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May 3, 2011
I have some sounds in my library that I want to play in a soundchannel, but how? This is what I have so far:
var music:Sound = new Sound();var channel:SoundChannel = new SoundChannel();var sTransform:SoundTransform = new SoundTransform();var sound:SoundFile1 = new SoundFile1(); // Note: SoundFile1 is a class; in it is my soundfile in the library// music.load(sound); ??channel = music.play();
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Feb 23, 2012
its for a music sequencer im working on. the class needs an mp3 loaded into the soundchannel to work.I want the soundchannel to be empty and to listen for the sequencer,The visualisation reacts to the sequencer but only when an mp3 is loaded, I just want it to react without an mp3 loaded...
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Apr 5, 2010
Is there a better way to use the sound channel is AS3?
var mySound:Sound = new Sound();
playButton.addEventListener (MouseEvent.CLICK, myPlayButtonHandler);
var myChannel:SoundChannel = new SoundChannel();
function myPlayButtonHandler (e:MouseEvent):void {
[code]....
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Nov 23, 2009
I've just started working with sound and as I understand it I primarily need two objects: Sound and SoundChannel. Every call to a Sound.play() method will create a new SoundChannel object. So technically, I could write my code like this:
Code:
package
{
import flash.media.Sound;
[code]....
Will simply create a new SoundChannel object and the first one created by the constructor will be garbage collected? As a side note, it's possible to see Adobe's source files e.g.SoundChannel.as. I'm curious as to how the SoundChannel.stop() method works since it doesn't throw an error or exception even if the audio has already stopped playing.
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Oct 22, 2010
I made a few functions that should fade between tracks very simply. I start with track1, then call my initial function to fade to track2 -- works just fine. Then later when I want to call it to fade back to track1 it will fade track1 in but keep track2 playing (when the first time it properly fades the already playing track out) --Here is the code (all variables are defined earlier):
ActionScript Code:
/* trans is my SoundTransform
channel is my SoundChannel
newSong is a holding var*/
[code]....
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Dec 3, 2010
I am trying to stop a sound from playing after the user clicks the next button, and I have followed what I was told from others on how to use the SoundChannel but can't seem to get the stop() function to work?
here is the code:
ActionScript Code:
nxt1_btn.addEventListener(MouseEvent.CLICK, next1);
var grad:Sound = new graduationMusic();
var gradChannel:SoundChannel = grad.play(0,int.MAX_VALUE);
[Code].....
Error that keeps popping is : 1120 Access of unidentified property gradChannel.
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Aug 9, 2011
How do we check if there is a sound already playing in a soundchannel?
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Apr 28, 2010
I have a button that is housed inside a movieClip. That movieClip has the following AS3 code:
[Code]...
So I'm just curious if this is a known glitch in AS3 or CS4. Or if this method of using SoundChannel within a movieClip is no-no and why.
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May 3, 2011
I have a soundchannel, and I'm playing a lot of sounds in it, but I need the completion of any sound file within that channel to be followed by a wait of two seconds, then trigger an event. How can I do this?
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May 3, 2011
I'm planning to program a small piano in flash that have an x number of notes to play through a SoundChannel.
What I have not found is a way to record what is playing through SoundChannel and send it as byteArray to a server side script that will save it as WAV (or mp3).
I know Flash Player 10.1 allows you to record sound, but everything I have found is about recording sound using the microphone class. It seems the way to go is to send the sound data to the microphone. That doesn't seem very right or possible though..
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Dec 7, 2009
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So the sound file's name in the Library is "1-welcome.wav", for the Linkage Properties, it is as follows: Class: "mySound", Base class: "flash.media.Sound", Export for ActionScript checked, Export in first frame checked. When i first renamed the Class in he Linkage Property i got: "A definition for this class could not be found in the classpath, so one will be automatically generated in the SWF file upon export."
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