[mythtv] [PATCH] more pcHDTV channel-change improvements

Jarod C. Wilson jcw at wilsonet.com
Fri Oct 24 04:50:16 EDT 2003


On Friday, Doug wrote:

> On 10/23/03 16:02:13, Isaac Richards wrote:
>>> I have a 22 MB live tv buffer from one of these failed channel
>>> changes, and can make it available (or attempt to make a smaller
>>> one) if needed, though I'm on the end of a 96kbps-uplink cable
>>> modem so it'd take a while.
>>
>> Is there anywhere you can stash that that I can grab it from?  I'll
>> take a look..
>
> You can grab the channel-change video from
> http://jekyl.ddts.net/change.mpg .  Please be kind to my cable modem
> and don't download this unnecessarily.  (The content's not very
> interesting -- just a few seconds of some commercials).

Just throwing in my experiences here, not sure if they are quite what 
you're seeing, Doug... I haven't had much chance to play with my pcHDTV 
card yet, but I was never able to successfully change channels w/cvs 
mythtv from about two weeks ago, and the same holds true for 0.12.

Example: I've got ABC and CBS right next to each other, both known 
working HD channels. In the mythtv setup util, I set up to tune to 
channel 4 (ABC) when the tuner is first accessed. Everything is fine. I 
watch for a bit, then try to change to channel 7 (CBS). The last frame 
from channel 4 remains, and the frontend just sits there doing nothing. 
If I kill the frontend and reenter it, and go back to watching live TV, 
up comes channel 7 without problem, so the channel change was 
registered, but never fully completed. Or something like that.

If this is different from what Doug is seeing, and if it is of any use, 
I can get some log dumps, backtrace, or whatever. Just let me know. Oh, 
and I'll give cvs a shot tomorrow.

--Jarod
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