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I've tried the DSMyth filter, but it doesn't seem to buffer the video
stream so the results are identical to using mythfrontend: frequent
audio stuttering and video pauses.<br>
<br>
The other thing that's a bit of a pain was getting this configured in
the first place. I have to manually go into mysql and change the IP
address of the BackendServerIP and the MasterServerIP to my NAT
Router's external IP address. Since I don't want to leave it that way
when viewing stuff at home, I have to change it back when I return from
work. You'd think there'd be a way for that information to be set on a
per-frontend basis. <br>
<br>
-Andy<br>
<br>
<br>
D Banerjee wrote:<br>
<blockquote cite="mid12d301c4173c$e736a050$6401a8c0@crashtest"
type="cite">
<pre wrap="">I've been thinking of doing this for quite a while, having a proxy/lo-res
video automatically transcoded after recording and kept in parallel for use
either by a remote frontend or DSMyth filter. I think your real problem is
buffering. If you're using frontend, it's not very tolerant of losing it's
data source. If you try using the DSMyth filter on windows however, it will
let you play while you are still buffering, so you can keep it paused for a
few minutes and then you should be all set. I've experimented with this a
little, but I'd like to get a proxy version of frontend going, so I could
cygwin/mythfrontend into the system when I'm on the road.
-Debabrata
----- Original Message -----
From: "Andy Kuan" <a class="moz-txt-link-rfc2396E" href="mailto:andy@kuan.net"><andy@kuan.net></a>
To: <a class="moz-txt-link-rfc2396E" href="mailto:mythtv-users@mythtv.org"><mythtv-users@mythtv.org></a>
Sent: Wednesday, March 31, 2004 10:52 AM
Subject: [mythtv-users] Minimizing bandwidth with MPEG-4
</pre>
<blockquote type="cite">
<pre wrap="">I've been trying to come up with encoder settings for MPEG-4 that
provide the lowest possible bandwidth utilization. This is in the hopes
of being able to watch (grainy) TV on my desktop at work. It _almost_
runs smoothly for me right now.
My current settings are 160x160 MPEG-4 at 100kbps, max qual 2, min qual
15, qual diff 3, 4MV and hi-qual checked, MP3 sampled at 32000 at a
quality of 9. These settings will produce a 50M file for a 30 minute
show. That's around 200kbps which is 2/3 of the upstream capacity on my
cable modem (which makes me wonder why it isn't 100kbps as set -- ah
well). I tried watching some baseball from the office yesterday and
experienced momentary drop outs (~1-2 sec) every 10 seconds or so -- so
I know I'm close. I figure I'll never get the full 300kbps upstream from
my cable modem, so my target should be around 150kbps for my encoding
settings.
I don't believe the 4MV and hi-qual MPEG-4 settings will make a
difference. That leaves changes to the max qual, min qual, and qual diff
settings for MPEG-4 and the audio settings. Unfortunately I haven't seen
any documentation whatsoever on how to adjust those MPEG-4 quality
settings (except for warnings _not_ to touch the settings) and there
isn't a control to alter the bitrate of the MP3 audio.
Has anyone else attempted this or have any suggestions? Thanks!
</pre>
</blockquote>
<pre wrap=""><!---->
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</pre>
</blockquote>
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