[mythtv-users] PVR250 audio setup problems

Bill Bradley wbradley at bham.rr.com
Sun Sep 19 11:44:39 EDT 2004


Hey All,

I recently wiped my FC1 to upgrade to FC2 and am having some problems
setting up my PVR250. I followed Jarods Guide for NTSC setup.  On the
the coax tuner, I only get b&w with no sound for some reason, so I went
to the s-video input using the audio line in on the PVR250 running RCA
audio out from my cable box to a Y splitter.   I do a cat /dev/video0 >
test_capture.mpg and the sound now works but it sounds awful...I can
hear the tv, but its low volume lots of hiss and other white noise.  Do
I have this setup the correct way or is there a better way to get
s-video and audio from the cable box?  Here is my sysinfo:

IVTV

ivtv-firmware-2.02.023-3.at
kernel-module-ivtv-2.6.8-1.521-0.1.10-45_pre2_ck108k.rhfc2.at
ivtv-0.1.10-45_pre2_ck108k.rhfc2.at


Output of ivtvctl -a


ioctl: IVTV_IOC_G_CODEC
Codec parameters
aspect      : 2
audio       : 0x00e9
bframes     : 3
bitrate_mode: 0
bitrate     : 8000000
bitrate_peak: 9600000
dnr_mode    : 0
dnr_spatial : 0
dnr_temporal: 0
dnr_type    : 0
framerate   : 0
framespergop: 0
gop_closure : 1
pulldown    : 0
stream_type : 0
ioctl: VIDIOC_G_FMT
        Type   : Video Capture
        Width  : 640
        Height : 480
ioctl: VIDIOC_QUERYCAP
        Driver name   : ivtv
        Card type     : Vanilla iTVC15 card
        Bus info      : 0
        Driver version: 266
        Capabilities  : 0x01070011
ioctl: VIDIOC_ENUMINPUT
        Input   : 0
        Name    : Composite 0
        Type    : 0x00000002
        Audioset: 0x00000003
        Tuner   : 0x00000000
        Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )
        Status  : 0
 
        Input   : 1
        Name    : Composite 1
        Type    : 0x00000002
        Audioset: 0x00000003
        Tuner   : 0x00000000
        Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )
        Status  : 0
 
        Input   : 2
        Name    : Composite 2
        Type    : 0x00000002
        Audioset: 0x00000003
        Tuner   : 0x00000000
        Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )
        Status  : 0
 
        Input   : 3
        Name    : Composite 3
        Type    : 0x00000002
        Audioset: 0x00000003
        Tuner   : 0x00000000
        Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )
        Status  : 0
 
        Input   : 4
        Name    : Tuner 0
        Type    : 0x00000001
        Audioset: 0x00000003
        Tuner   : 0x00000000
        Standard: 0x0000000000003000 ( NTSC )
        Status  : 0
 
        Input   : 5
        Name    : Composite 4
        Type    : 0x00000002
        Audioset: 0x00000003
        Tuner   : 0x00000000
        Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )
        Status  : 0
 
        Input   : 6
        Name    : S-Video 0
        Type    : 0x00000002
        Audioset: 0x00000003
        Tuner   : 0x00000000
        Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )
        Status  : 0
 
        Input   : 7
        Name    : S-Video 1
        Type    : 0x00000002
        Audioset: 0x00000003
        Tuner   : 0x00000000
        Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )
        Status  : 0
 
        Input   : 8
        Name    : S-Video 2
        Type    : 0x00000002
        Audioset: 0x00000003
        Tuner   : 0x00000000
        Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )
        Status  : 0
 
        Input   : 9
        Name    : S-Video 3
        Type    : 0x00000002
        Audioset: 0x00000003
        Tuner   : 0x00000000
        Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )
        Status  : 0
ioctl: VIDIOC_G_INPUT
Input = 6
ioctl: VIDIOC_ENUMOUTPUT
ioctl: VIDIOC_G_OUTPUT
ioctl: VIDIOC_G_OUTPUT failed
ioctl: VIDIOC_ENUMAUDIO
        Input   : 0
        Name    : Tuner Audio In
 
        Input   : 1
        Name    : Audio Line In
ioctl: VIDIOC_G_AUDIO
Input = 1: Audio Line In
ioctl: VIDIOC_G_FREQUENCY
Frequency = 0
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
Standard = 0x00003000
ioctl: VIDIOC_QUERYCTRL
Brightness = 128
Contrast = 64
Saturation = 64
Hue = 0
Volume = 58880
Mute = 0



modprobe.conf

alias eth0 8139too
alias snd-card-0 snd-via82xx
install snd-via82xx /sbin/modprobe --ignore-install snd-via82xx &&
/usr/sbin/alsactl restore >/dev/null 2>&1 || :
remove snd-via82xx { /usr/sbin/alsactl store >/dev/null 2>&1 || : ; };
/sbin/modprobe -r --ignore-remove snd-via82xx
alias usb-controller ehci-hcd
alias usb-controller1 uhci-hcd
# nvidia kernel module
alias char-major-195 nvidia-1_0-6111
# ivtv modules setup
alias char-major-81 videodev
alias char-major-81-0 ivtv
install ivtv /sbin/modprobe msp3400 saa7115 tuner v4l1-compat;
/sbin/modprobe --ignore-install ivtv
options ivtv ivtv_debug=1 tuner=2
options msp3400 once=0 simpler=1 simple=0


thanks,
bill







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