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Scrub bar doesn't reach end

17 replies [Last post]

On my site I am using http streaming but the position of the scrub bar and buffering display seem out of synch. The scrub icon also stops short before the end of the timeline.

Preview at: http://www.angling.tv/new.php

Code to include player:

function createplayer(theFile, go, imagename) {

// Version check based upon the values entered above in "Globals"
if (hasReqestedVersion) {
if (videoPlayer == '')
{
videoPlayer = 1;
  var s = new SWFObject("player4_3.swf","single","464","382","9","#192e66");

  s.addVariable("screencolor","#000000");
  s.addParam("allowfullscreen","true");
  s.addVariable("fullscreen","true");
  s.addParam('menu','false');
        s.addVariable("abouttext","About Angling tv");
  s.addVariable("aboutlink","http://www.angling.tv");
s.addParam("flashvars","skin=snel/snel.swfℑ="+imagename+"&file="+theFile+"&streamer=xmoov.php");
 
  s.addVariable("width","464");
   
  s.addVariable("wmode","transparent");
  s.addVariable("height","382");
  if (go) { s.addVariable("autostart","true"); }
  s.write("mediaspace");
}
else
{

Any ideas greatly appreciated.

Thanks

      function createplayer(theFile, go, imagename)
      {
        // Version check based upon the values entered above in "Globals"
        if (hasReqestedVersion)
        {
          if (videoPlayer === '')
          {
            videoPlayer = 1;
            var s = new SWFObject('player4_3.swf', 'single', '464', '382', '9.0.124', '#192E66');
                s.addParam('allowscriptaccess',   'always');
                s.addParam('allowfullscreen',     'true');
              //s.addParam('wmode',               'transparent'); // don't use unless you are absoutely certain that you need 'transparent'
                s.addParam('menu',                'false');
                s.addVariable('screencolor',      '000000');
                s.addVariable('abouttext',        'About Angling tv');
                s.addVariable('aboutlink',        'http://www.angling.tv');
                s.addVariable('skin',             'snel/snel');
                s.addVariable('image',             imagename');
                s.addVariable('file',              theFile');
                s.addVariable('streamer',         'xmoov.php');
                s.addVariable('id',               'single');
              if (go)
              {
                s.addVariable('autostart',        'true');
              }
                s.write('mediaspace');
          }
          else
          {

Thanks, tried this amended code but still no joy. I'm getting the same problem with the buffer ahead of the playhead.

I am at my wits end with this problem and have been pulling my hair out for a couple of weeks now (I'm a designer not a coder).

If anyone could solve the problem for me I'm prepared to pay money.

Thanks

Do you have a direct link to the page/file with the player code?

Your main page linked above is a gigantic mess of duplicated code, commented out code, conflicting code, and extraneous junk that it would take me hours to sort through it to determine how you are loading the player.

And what do you mean by

"the buffer ahead of the playhead"

the buffering is supposed to be ahead of the scrub bar, that's how it works!

Please see the link below for more information and the original source files.

I tried your amended code and it helped sort an issue with the "about text " but the main problem still remained. Your code is also much easier for me to understand. One problem I had when using it was that my title images for the videos did not load properly.

please see: http://www.angling.tv/player_probs.html

Thanks a lot for your help.

Just to add - I've solved one of the problems I was having. The scrub icon wasn't reaching the end of the timeline.

I now think that this was a problem with the skin I was using and if I use a different one it is OK. I also downloaded a fresh version of the JW player.swf and overwrote my existing one. Works much better. :)

 
The problems that you are pointing out in player_probs.html are usually caused by incorrect metadata in the FLV video container file.

What tool did you use to post-process the video files, after encoding, to create and inject the metadata.

Choices are FLVMDI, flvtool2, jflvTool, flvmeta, yamdi, flvtool++, and others that I can't remember just now.

I used Buraks Flvmdi, GUI version. I'm pretty sure it's not a problem with the metadata. I have checked all my files and they lok fine. Example:

<?xml version="1.0" encoding="UTF-8"?>
<root>
<duration>435.381</duration>
<lasttimestamp>435.356</lasttimestamp>
<lastkeyframetimestamp>435.32</lastkeyframetimestamp>
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<audiocodecid>2</audiocodecid>
<audiodelay>0</audiodelay>
<canSeekToEnd>true</canSeekToEnd>
<width>464</width>
<height>296</height>
<videodatarate>540</videodatarate>
<audiodatarate>64</audiodatarate>
<framerate>25</framerate>
<creationdate>Sat Feb 28 11:42:23 2009 </creationdate>
<metadatacreator>Manitu Group FLV MetaData Injector 2</metadatacreator>
<metadatadate>28/02/2009 16:22:08 </metadatadate>
<videosize>30715712</videosize>
<audiosize>3733408</audiosize>
<datasize>5819</datasize>
<filesize>34454952</filesize>
<keyframes>
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<time>428.36</time>
<time>429.44</time>
<time>431.04</time>
<time>432.64</time>
<time>434.24</time>
<time>435.28</time>
<time>435.32</time>
</times>
</keyframes>
</root>

To test the problem further I have grabbed the example video from the XMOOV website and tried using that in the player. Same results as with my videos - the synchronisation problem. The video works perfectly on the XMOOV site so the metadata in that file must be OK. See the test here:

http://www.angling.tv/test/

I have also used the working XMOOV script for version 4 of the player from the forums here so I don't think it is a problem with the script. I've also tested it on two separate servers. I'm running out of ideas !

Your test video thingsfallapart.flv plays OK for me.

I did notice a couple of things:

1) your server never delivers faster than 0.8mbps. It should saturate my 1.6mbps line.

2) your video file's native size is 500x281 and your player's displayarea is 470x300. That means that Flash will have to re-size on the client to fit the display area. Re-sizing on the client is always very CPU intensive and should be avoided. Either size your player's displayarea to the native size of the video or size the video to fit the player's display area.

The video plays OK on my computer, but there are still definite problems with the buffer display. Please have a look at a 2nd test on a different server.http://www.sascreenmedia.co.uk/test2/

If you click around the timeline you should see the problem, which is also highlighted in the images on the test page.

Does this second server perform any better than 0.8mbps?

I've also amended the player size on the test page to match the video. On my main site, angling.tv/new.php, the player size matches the native size of all the videos in width. I can't match all the videos for height as they all have different aspect ratios.

Thanks for all your time and help with this issue - it's driving me a bit mad.

One other thing. I can't check the example of HTTP streaming on this site, http://www.longtailvideo.com/support/tutorials/HTTP-Video-Streaming, as the video in the example cannot be found. I think I will report this. I would like to see a working example.

Second server is still 0.8mbps.

I don't think the scrubber issue has anything to do with your video or the player version. It mis-behaves when streaming from LightTPD or nginx with the mod_flv_streaming modules.

LightTPD with the mod_flv_streaming module and "Things Fall Apart":

       http://willswonders.myip.org:8081/Simple_Playlist.html

(My upstream bandwidth is only 0.256mpbs, so the video won't be delivered fast enough to play continuously, but you can see the scrubber effect.)

Yes, I can see that it happens in your example too. I was wondering if it worked with LightTPD. Thanks for testing that

So what do you think the overall problem is then? Do you think it's a bug in the player? I can't really think of much else. Any ideas?

Also, I see you're using the latest version of the JW player (4.4) on your site, so upgrading to that won't make any difference either.

I've only seen one other post in the forums that relates directly to this problemhttp://www.longtailvideo.com/support/forum/Skins/15783/Small-gap-between-playhead-and-progress-bar and there have been no replies to that (apart from my own).

I think it's a small discrepency between the calculated position of the scrub bar and the download display.

If you can install another server, I highly recommend nginx with the mod_flv_streaming module and even better, the mod_h264_streaming module from code-shop.com. H.264 in the MP4 container is a MUCH better way to stream video. Smaller file size, better quality, much less CPU load on the client.

There's a lot to consider. The problem is that with Nginx or LightTPD the problem doesn't entirely go away. When looking at the code shop H.264 demo there is even a small discrepancy between the buffer and scrub icon with that. I'm probably just being too picky though.

Seems like there is not a 100% solution yet but hopefully someone clever will come up with a solution soon.

I will consider H.264 though - I've been thinking about it for a while.

Thanks a lot for all your help and advice on this subject. It' greatly appreciated. I feel less aggravated by the problem now even though the resolution is still not perfect.

Many thanks !!

You're welcome.

       Good Luck!       :D

function createplayer(theFile, go, imagename) {

// Version check based upon the values entered above in "Globals"
if (hasReqestedVersion) {
if (videoPlayer == '')
{
videoPlayer = 1;
var s = new SWFObject("player4_3.swf","single","464","382","9","#192e66");

s.addVariable("screencolor","#000000");
s.addParam("allowfullscreen","true");
s.addVariable("fullscreen","true");
s.addParam('menu','false');
s.addVariable("abouttext","About Angling tv");
s.addVariable("aboutlink","http://www.angling.tv");
s.addParam("flashvars","skin=snel/snel.swfℑ="+imagename+"&file="+theFile+"&streamer=xmoov.php");

s.addVariable("width","464");

s.addVariable("wmode","transparent");
s.addVariable("height","382");
if (go) { s.addVariable("autostart","true"); }
s.write("mediaspace");
}
else
{function createplayer(theFile, go, imagename) {

// Version check based upon the values entered above in "Globals"
if (hasReqestedVersion) {
if (videoPlayer == '')
{
videoPlayer = 1;
var s = new SWFObject("player4_3.swf","single","464","382","9","#192e66");

s.addVariable("screencolor","#000000");
s.addParam("allowfullscreen","true");
s.addVariable("fullscreen","true");
s.addParam('menu','false');
s.addVariable("abouttext","About Angling tv");
s.addVariable("aboutlink","http://www.angling.tv");
s.addParam("flashvars","skin=snel/snel.swfℑ="+imagename+"&file="+theFile+"&streamer=xmoov.php");

s.addVariable("width","464");

s.addVariable("wmode","transparent");
s.addVariable("height","382");
if (go) { s.addVariable("autostart","true"); }
s.write("mediaspace");
}
else
{

Problem solved in 4.5 release. Thanks Jeroen !

...but same condiftions still exist while playing mp3 files?