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https://issues.apache.org/jira/browse/CB-1593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13559177#comment-13559177
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Benn Mapes commented on CB-1593:
--------------------------------
Update:
We have two bugs going on here, the first is that occasionally (maybe 1 out of
5 times) the first call to play the media will get a 'System.ArgumentException'
when trying to add the AudioPlayer to the Media.players Dictionary in the Media
plugin. I'm not sure how this exception gets fired because everything looks ok
when it's getting added but then the exception fires anyway.
The second bug, as mentioned, is that there are multiple callbacks to the
javascript and more get added each time the media is played. It starts with
about 2 callbacks and each time the media gets played another 1-2 get added so
we end up with a ton of callbacks each time the media gets played.
I believe this bug is happening somewhere in the bridge because on the native
side it only fires the callbacks once when it needs to, and then we get a bunch
of callbacks out the other end (javascript).
If anyone has any insight as to whats going on here feel free to chime in. I'll
keep working on them...
> WP7 : Media callback called multiple times
> ------------------------------------------
>
> Key: CB-1593
> URL: https://issues.apache.org/jira/browse/CB-1593
> Project: Apache Cordova
> Issue Type: Bug
> Components: WP7
> Affects Versions: 2.1.0
> Environment: Nokia Lumia 800 with WP 7.5 (7.10.8773.98).
> Reporter: Christophe A. Guilmart
> Assignee: Benn Mapes
> Priority: Critical
>
> When using this code
> function play(){
> cordovaMedia = new Media("app/www/test.mp3", onSuccess, onError,
> onStatus);
> cordovaMedia.play();
> }
>
> I encounter the following problems:
> * 1st call to play() does not work (ie: I don't hear the sound). nor are the
> callback called.
> * following play work, but callback are called multiple times.
> * onError is called even when play sound is successful (ie: when I can hear
> the sound).
> * if onStatus callback is not provided, an error show up in the log.
> Expected behavior:
> * onError & onSuccess should be exclusive. One OR the other should be called.
> Not both.
> * onError & onSuccess should be called only once per call to .play()
> h3. VS Output:
> Log:"Received Event: deviceready"
> Log:"----------------------------------"
> Log:"# media play 0"
> 'UI Task' (Managed): Loaded 'Microsoft.Xna.Framework.dll'
> 'UI Task' (Managed): Loaded 'System.SR.dll'
> Log:"----------------------------------"
> Log:"# media play 1"
> Log:"####### media On Error. error: Value does not fall within the expected
> range. code: undefined message: undefined"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"----------------------------------"
> INFO: startPlayingAudio FOUND mediaPlayer for
> b43e2cd0-bafb-f6d3-add6-79428f19e324
> Log:"# media play 2"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"----------------------------------"
> Log:"# media play 3"
> Log:"####### media On Error. error: Value does not fall within the expected
> range. code: undefined message: undefined"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 1"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media OnStatus: 2"
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> Log:"# media OnStatus: 4"
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media On success. "
> Log:"# media OnStatus: 4"
> h3. index.html
> [...]
> <script type="text/javascript">
> app.initialize();
> function onError (error){
> var s = "####### media On Error. ";
> if ((typeof error === "undefined") || (error==null)){
> s = s + " no error info."
> } else {
> s = s + "error: " + error +
> ' code: ' + error.code +
> ' message: ' + error.message;
> }
> console.log(s);
> }
> function onSuccess (){
> var s = "# media On success. ";
> console.log(s);
> }
> function onStatus (status){
> var s = "# media OnStatus: " + status;
> console.log(s);
> }
> var playcounter = 0;
> function play(){
> console.log("----------------------------------");
> var s = "# media play " + playcounter;
> console.log(s);
> cordovaMedia = new Media("app/www/test.mp3", onSuccess, onError,
> onStatus);
> cordovaMedia.play();
> playcounter++;
> }
> </script>
> <p onclick="play();">Click to Play MP3</p>
>
> </body>
> </html>
> h3. My Config:
> * cordova : 2.1.0-0-g26d211b
> * template "full"
> * Nokia Lumia 800
> * Version OS : 7.10.8773.98 (commercial : 7.5)
> * Microsoft Visual Studio 2010
> Version WPDTRTMRel - 40219.209
> Microsoft .NET Framework
> Version 4.0.30319 SP1Rel
> Installed Version: PD Express
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