Hans Verkuil wrote:
On Friday 11 July 2008 06:34, Richard Woelk wrote:
Hans Verkuil wrote:
Hi all,
I've finally put up my fixes for Closed Captioning support in
this 'bleeding edge' tree:
http://www.linuxtv.org/hg/~hverkuil/v4l-dvb-vbi
Build instructions are here:
http://www.ivtvdriver.org/index.php/Download#Bleeding_Edge_driver
Please test and let me know how well it works! I've tested it with
both saa7115 and cx2584x-based cards and they seem to work equally
well, so that's promising.
Regards,
Hans
Hans,
After 24 hours of use, it looks like its working. I have my
PVR-250 in the same computer as a PVR-150 and the captions are just
as good. I also havn't had any tinny audio from the -150 yet, or any
DMA Timeout errors.
I'm using Fedora core 8 with kernel 2.6.25.9-40 and mythtv 0.21-fixes
from atrpms. The system is a dual socket Athlon XP
I will keep my eye on it for anything strange.
Sounds good. If I don't get any bug reports, then I'll probably commit
this in 1-2 weeks.
Regards,
Hans
Okay,
I've been using this version of IVTV for 16 days. I have noticed a
bunch of errors still happen, although I have workarounds that most
don't bother me.
My MythTV backend system specs.
Dual Athlon XP Mobile 2500+ on an Asus A7m266-D motherboard. (AMD
Highpoint RocketRAID PCI-X SATA 1 raid controller
one 150GB Raptor for boot
two 500GB Seagate 7200.10 in raid0 for video storage
one PVR-150 OEM
one PVR-250 Retail
First, what was fixed. The closed captions on the PVR-250 are now
flawless, and identical to the PVR-150.
Second, the PVR-150 sometimes has tinny audio. I searched the ivtv-users
and mythtv-users for solutions, but they all involved the tuner, so I
created my own workaround.
The audio sounded to me like when Dolby NR is enabled while recording a
tape, but not while playing back. so from my channel change script, I
spawn another script that runs v4l2-ctl -c audio_emphasis=0 after a few
seconds.
The audio from the PVR-250 starts as mono, until I run v4l2-ctl -d
/dev/video1 -t bilingual in the same style of script
I also have found every few weeks I get 0 byte files recorded by the 2nd
tuner, as well as "DMA Timeout" in dmesg. From the lists, I have been
told this is a motherboard problem, which I'm planning on upgrading anyway.
If you need any other information, let me know. I'll be happy to help
you troubleshoot.
-Richard Woelk
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