Hi folks,
I have been trying to figure out why I (only sometimes) get bad quality
when watching/recording LiveTV. Haven't found any settings in ivtvctl
yet that have improved my quality, and to exclude Myth as the problem
I'm running cat /dev/video0 after tuning to a channel.
Please see this snapshot from a captured mpeg-stream, a picture
sometimes says more than a 1000 words ;)
http://www.digitalvillage.se/vlcsnap-446527.png
As you can see, especially with the subtitles (which is integrated in
the aerial stream by my provider, ie nothing I can do anything about),
the text is smeared out like it's interlacing when it shouldn't, or
likewise.
Below is my ivtv-settings, if you'd like more detailed info just drop me
a line.
-- SNIRP --
[EMAIL PROTECTED]:~$ ivtvctl -a
ioctl IVTV_IOC_G_CODEC ok
Codec parameters
aspect : 2
audio : 0x00e9
bframes : 3
bitrate_mode: 0
bitrate : 4500000
bitrate_peak: 6000000
dnr_mode : 0
dnr_spatial : 0
dnr_temporal: 0
dnr_type : 0
framerate : 1
framespergop: 12
gop_closure : 1
pulldown : 0
stream_type : 0
ioctl VIDIOC_G_FMT ok
Type : Video Capture
Width : 720
Height : 576
ioctl VIDIOC_QUERYCAP ok
Driver name : ivtv
Card type : WinTV PVR 150
Bus info : 0000:00:0f.0
Driver version: 1024
Capabilities : 0x01030051
ioctl: VIDIOC_ENUMINPUT
Input : 0
Name : S-Video 0
Type : 0x00000002
Audioset: 0x00000003
Tuner : 0x00000000
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )
Status : 0
Input : 1
Name : S-Video 1
Type : 0x00000002
Audioset: 0x00000003
Tuner : 0x00000000
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )
Status : 0
Input : 2
Name : Composite 0
Type : 0x00000002
Audioset: 0x00000003
Tuner : 0x00000000
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )
Status : 0
Input : 3
Name : Composite 1
Type : 0x00000002
Audioset: 0x00000003
Tuner : 0x00000000
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )
Status : 0
Input : 4
Name : Composite 2
Type : 0x00000002
Audioset: 0x00000003
Tuner : 0x00000000
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )
Status : 0
Input : 5
Name : Composite 3
Type : 0x00000002
Audioset: 0x00000003
Tuner : 0x00000000
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )
Status : 0
Input : 6
Name : Tuner 0
Type : 0x00000001
Audioset: 0x00000003
Tuner : 0x00000000
Standard: 0x00000000000000FF ( PAL )
Status : 0
Input : 7
Name : Tuner 1
Type : 0x00000001
Audioset: 0x00000003
Tuner : 0x00000000
Standard: 0x00000000000000FF ( PAL )
Status : 0
ioctl VIDIOC_G_INPUT ok
Video input = 6
ioctl: VIDIOC_ENUMOUTPUT
ioctl VIDIOC_G_OUTPUT failed: Invalid argument
ioctl: VIDIOC_ENUMAUDIO
Input : 0
Name : Tuner Audio In
Input : 1
Name : Audio Line 1
Input : 2
Name : Audio Line 2
Input : 3
Name : Audio Line 3
Input : 4
Name : Audio Line 4
ioctl VIDIOC_G_AUDIO ok
Audio input = 0: Tuner Audio In
ioctl VIDIOC_G_FREQUENCY ok
Frequency = 3476
ioctl: VIDIOC_ENUMSTD
index : 0
ID : 0x0000000000003000
Name : NTSC
Frame period: 1001/30000
Frame lines : 525
index : 1
ID : 0x00000000000000FF
Name : PAL
Frame period: 1/25
Frame lines : 625
index : 2
ID : 0x00000000007F0000
Name : SECAM
Frame period: 1/25
Frame lines : 625
ioctl VIDIOC_G_STD ok
Video standard = 0x000000ff
ioctl: VIDIOC_QUERYCTRL
Brightness = 127
Contrast = 63
Saturation = 63
Hue = 0
Volume = 58880
Mute = 0
-- SNIRP --
My system is a Duron 1300 running KnoppMyth R5A26 w/ ivtv 0.4.0 using
encoder rev 0x02040011 (the one that comes with that release of KnoppMyth).
Any help is greatly appreciated, Google didn't want to help me out :)
Johan
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