1 Reply Latest reply on Jan 12, 2010 3:06 PM by cybersnl

    Error: "NetStream.Play.StreamNotFound" while playing mp4 file using NetStream object

    cybersnl

      Hi,

       

      I am using NetStream, NetConnection and Video object to play an mp4 file which is hosted over a web server using http.

       

      The mp4 file URL is for example: http://xx.xx.xx.xx/file.mp4

       

      This is an AIR application and the relevant code is pasted below:

       

      -------

       

                          var url:String = <some http url>;
         
                          connect_nc = new NetConnection();
                          connect_nc.connect(null);
                          stream_ns = new NetStream(connect_nc);
                     
                             
                          var ns_object:Object = new Object();
                          ns_object.onPlayStatus = ns_onPlayStatus;
                         
                          stream_ns.client = ns_object;
                         
                          videoMP4.attachNetStream(stream_ns);           
                         
                          stream_ns.bufferTime = 1.0 // 1 sec       
                          stream_ns.addEventListener(NetStatusEvent.NET_STATUS, onNetStatusEventHandler);           
                          stream_ns.play(url);

       

      -----------

       

      This code works when run on MAC OS X. But it does not work when run on Windows XP. I get the error:

      "NetStream.Play.StreamNotFound"

       

      I also tried playing the URL using VLC player on the same windows XP host. The URL is valid because VLC can play it.

       

      In my particular case, the http URL is hosted by WMP 12 (window media player 12) on Win 7 machine where I am using the media sharing feature of WMP 12.

       

      I am not sure where to start for debugging this issue. The fact that VLC can retrieve the file properly and the AIR application on MAC OS X can

      do it as well, but on on Windows XP indicates to me that this might be a flex bug.

       

      thanks in advance for any help.

      Sunil

        • 1. Re: Error: "NetStream.Play.StreamNotFound" while playing mp4 file using NetStream object
          cybersnl Level 1

          After running wireshark on the host running the adobe AIR application, it seems that it is getting a HTTP 406 response from

          the server being run by WMP 12.

           

          GET
          /WMPNSSv4/63903908/1_ezVGREUzQTA4LTdDQzQtNDJFMy1CNDVDLUZEMjA4MDE5OUM4Q30uMC4
          4.mp4 HTTP/1.1
          Referer: app:/clicker.swf

          Accept: text/xml, application/xml, application/xhtml+xml, text/html;q=0.9,
          text/plain;q=0.8, text/css, image/png, image/jpeg, image/gif;q=0.8,
          application/x-shockwave-flash, video/mp4;q=0.9,
          flv-application/octet-stream;q=0.8, video/x-flv;q=0.7, audio/mp4,
          application/futuresplash, */*;q=0.5

          x-flash-version: 10,0,12,36

          User-Agent: Mozilla/5.0 (Windows; U; en) AppleWebKit/526.9+ (KHTML, like
          Gecko) AdobeAIR/1.5

          Host: 192.168.0.102:10243

          Connection: Keep-Alive

           

           

          HTTP/1.1 406 Not Acceptable

          Last-Modified: Mon, 19 Oct 2009 23:21:14 GMT

          Server: Microsoft-HTTPAPI/2.0

          Accept-Ranges: bytes

          TransferMode.DLNA.ORG: Streaming

          Date: Tue, 12 Jan 2010 22:52:48 GMT

          Connection: close

          Content-Length: 0

           


          On MAC:

           

          It receives 200 OK response though, and that is why the video streaming works.

           

          GET /WMPNSSv4/63903908/1_ezVGREUzQTA4LTdDQzQtNDJFMy1CNDVDLUZEMjA4MDE5OUM4Q30uMC44.mp4 HTTP/1.1
          Host: 192.168.0.102:10243
          User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en) AppleWebKit/526.9+ (KHTML, like Gecko) AdobeAIR/1.5.3
          Referer: app:/clicker.swf
          X-Flash-Version: 10,0,42,34
          Accept: */*
          Accept-Language: en-us
          Accept-Encoding: gzip, deflate
          Connection: keep-alive

           

          HTTP/1.1 200 OK
          Content-Length: 1524867
          Content-Type: video/mp4
          Last-Modified: Mon, 19 Oct 2009 23:21:14 GMT
          Server: Microsoft-HTTPAPI/2.0
          Accept-Ranges: bytes
          TransferMode.DLNA.ORG: Streaming
          Date: Tue, 12 Jan 2010 22:56:20 GMT

           

          The difference that I can see in the HTTP requests between the Windows XP and MAC version is the Accept: Header. Can someone tell

          why it is behaving like this?

           

          If i run the adobe AIR application on Win 7 host, i see the same failure.

           

          i will appreciate if someone from Adobe technical team helps with issue asap.

           

          thanks,

          Sunil