[vorbis] Servlet streamed Ogg skips
Paul E
public at ellisfoundation.com
Fri Apr 30 18:12:13 PDT 2004
I have a simple music site setup at
http://www.ellisfoundation.com/freemusic that streams vorbis. I don't
have any problem with Winamp 2 or 5, 3 didn't stream at all. My site is
php based and it makes a temporary .m3u file that instructs the client
where to stream the file from. It's very simple but works. I've tried
it with at least a dozen different computers in different locations and
it works great. It even works in Windows Media Player with the Vorbis
DirectShow Filters.
What kind of bitrate are you encoding in, and how much bandwidth does
your client and server have? Have you tried it with multiple clients at
different locations? Do you have trouble streaming from my site?
<p>Paul
Eric Seppanen wrote:
>On Sat, May 01, 2004 at 01:23:55AM +0200, Tor-Einar Jarnbjo wrote:
>
>
>>>In the ogg case WinAmp starts playing immediately but it skip a lot. As
>>>though it is skipping packets or something like that. The entire musical
>>>selection goes by at almost twice its notmal speed.
>>>
>>>
>>I'm not sure if this is the case, but it sounds as if Winamp is downloading
>>the Ogg file as fast as possible and just plays from the current download
>>position. Try to restrict the output rate from your servlet to the stream's
>>actual bitrate.
>>
>>
>
>That seems like a solution that will never fly. If the client is dumb
>enough to skip forward in the file if it's able to download data much
>faster than playback (which on most high-speed links is sure to be the
>case) server workarounds can't fix the problem; you can't know if the
>client clock speed is off by 1% and you might accidentally starve the
>client for data.
>
>I play ogg files through winamp from a remote machine of mine all the
>time, and the winamp http client certainly doesn't do this for me. I
>wonder if it's a bug in the winamp http client that's tickled by your
>server behaving slightly differently from the average webserver.
>
>Maybe you should take network traces of winamp playing the same file
>from a regular webserver, and then your server, and try to see if
>something's different? Maybe you should fake the exact same response
>that a plain webserver gives to see if winamp reacts differently. Maybe
>try other clients too?
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