[mythtv-users] About h264

[Tortise]

http://pkendall.homeip.net/?page_id=8 might help you?
Please do let us know.

----- Original Message ----- 
From: "Glenn Sommer" <glemsom at gmail.com>
To: "Discussion about mythtv" <mythtv-users at mythtv.org>
Sent: Sunday, August 31, 2008 7:45 AM
Subject: [mythtv-users] About h264


I'm trying to get mythtv 0.21-fixes to display a h264 stream as livetv
- but with no luck :/

mythtv is configured to use a "Network recorder" - and is pointing to
a local .m3u file.


To test with I have this stream: http://212.99.225.130:8000/h264/pro7

Putting that URL in a m3u file does not work for mythtv (I think
mythtv is unable to use the http protocol)?
Anyway - I re-stream it using VLC.
So my stream is on 127:0.0.1:1230 instead...

Mythtv can pickup that stream - but cannot play it very well!


If I then use "video as timebase" the sound and video is choppy - and
I get there errors: WriteAudio: buffer underrun

If I use "Enable OpenGL for vert sync" both video and sound is choppy
- and I get there errors: WriteAudio: buffer underrun

If I then re-encode the video stream to mpeg2 and audio to mp3 - then
it works fine.


When watching the stream mythfrontend uses about 8-10% CPU power (This
is on a E6850) - and VLC is using about 6% when just re-streaming...
and about 50-60% when both transcoding and streaming.



I've tested the exact same stream with VLC client and mplayer.... They
both play my re-streamed stream - and the http stream correct!


What could be causing this?


Kind regards
Glenn Sommer
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