Set dnr_temporal: 8 to 0
Chris
Message: 6
Date: Wed, 12 Oct 2005 00:35:37 -0700
From: Neil Cronin <[EMAIL PROTECTED]>
Subject: <[EMAIL PROTECTED]>
To: Discussion about mythtv <mythtv-users@mythtv.org>
Message-ID:
<[EMAIL PROTECTED]>
Content-Type: text/plain; charset=ISO-8859-1
I see vertical gray bars and ghosting on some of the lower channels
via live tv and recorded programs on all my frontends. Upping the
resolution in my profile reduces the effect, but it is still very very
noticeable. I don't see it when the coax is plugged directly into my
tv. The cable comes from comcast in the san francisco bay area.
I've read about similar problems on ALL channels, but I only have the
issue on some lower channels. 2 and 13 are the worst. Most other
channels such as espn or tbs exhibit no ghosting or gray lines at all.
I suspect this is a cabling or interference issue, but I thought I'd
check to see if there are any channel-specific settings that I should
make.
I have a screen shot here with some highlighting here:
Bad:
http://rackle.com/gray-bars-and-ghosting.jpeg
Good:
http://rackle.com/no-bars-no-ghosting.jpeg
Admittedly, not apples to apples.
More info below.
TIA,
Neil
Happague 350:
01:06.0 Multimedia video controller: Internext Compression Inc iTVC15
MPEG-2 Encoder (rev 01)
[EMAIL PROTECTED] ~]# ivtvctl -C
ioctl IVTV_IOC_G_CODEC ok
Codec parameters
aspect : 2
audio : 0x00e9
bframes : 3
bitrate_mode: 0
bitrate : 9000000
bitrate_peak: 9000000
dnr_mode : 0
dnr_spatial : 0
dnr_temporal: 8
dnr_type : 0
framerate : 0
framespergop: 15
gop_closure : 1
pulldown : 0
stream_type : 10
mysql> select * from channel where channum in (2,41);
+--------+---------+--------+----------+----------+-------------------------
------------+------+----------+--------------+---------+-------------+------
----+------------+--------+-------+----------+----------+---------+---------
------+---------------+---------+-----------+-----------+
| chanid | channum | freqid | sourceid | callsign | name
| icon | finetune | videofilters | xmltvid |
recpriority | contrast | brightness | colour | hue | tvformat |
commfree | visible | outputfilters | useonairguide | mplexid |
serviceid | atscsrcid |
+--------+---------+--------+----------+----------+-------------------------
------------+------+----------+--------------+---------+-------------+------
----+------------+--------+-------+----------+----------+---------+---------
------+---------------+---------+-----------+-----------+
| 1002 | 2 | 2 | 1 | KTVU | KTVU
| none | NULL | | 10760 |
0 | 24000 | 24000 | 16000 | 32768 | Default | 0 |
1 | | 0 | NULL | NULL | NULL
|
| 1042 | 41 | 41 | 1 | TBSP | Turner
Broadcasting System (Pacifc) | none | NULL | | 34240
| 0 | 24000 | 24000 | 16000 | 32768 | Default |
0 | 1 | | 0 | NULL | NULL
| NULL |
+--------+---------+--------+----------+----------+-------------------------
------------+------+----------+--------------+---------+-------------+------
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