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Michael T. Dean wrote:
<blockquote cite="mid43D7CC23.1080400@thirdcontact.com" type="cite">
<pre wrap="">On 01/25/2006 11:06 AM, David Watkins wrote:
</pre>
<blockquote type="cite">
<pre wrap="">I suggest looking to see what other /dev/video devices exist on your
system, and trying them in place of /dev/video0. I think one of the
setup pages of mythtvsetup shows you which input is on which device.
I'm afraid I don't know enough of the theory to suggest a more
scientific approach.
</pre>
</blockquote>
<pre wrap=""><!---->video0 is the MPEG-2 video from whichever input the card is set to use.
You don't change inputs by changing video devices, you change with
"ivtvctl -p" so see "ivtvctl --help"
Mike
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</pre>
</blockquote>
Thanks - made progress, but the recording was in black and white, not
color like the original.....weird.<br>
<br>
I did a ivtvctl -p=4 <br>
I used dd if=/dev/video0 of=/myth/tv/myfile.mpg bs=64k<br>
I got black/white output (was recorded in color)<br>
<br>
ivtvctl -p=6<br>
I used dd if=/dev/video0 of=/myth/tv/myfile.mpg bs=64k<br>
I got black/white output (was recorded in color)<br>
<br>
Did I do something wrong?<br>
<br>
mythtv@pvr:~$ ivtvctl -a<br>
ioctl IVTV_IOC_G_CODEC ok<br>
Codec parameters<br>
aspect : 2<br>
audio : 0x00e9<br>
bframes : 3<br>
bitrate_mode: 0<br>
bitrate : 4500000<br>
bitrate_peak: 6000000<br>
dnr_mode : 0<br>
dnr_spatial : 0<br>
dnr_temporal: 0<br>
dnr_type : 0<br>
framerate : 0<br>
framespergop: 15<br>
gop_closure : 1<br>
pulldown : 0<br>
stream_type : 0<br>
ioctl VIDIOC_G_FMT ok<br>
Type : Video Capture<br>
Width : 480<br>
Height : 480<br>
ioctl VIDIOC_QUERYCAP ok<br>
Driver name : ivtv<br>
Card type : WinTV PVR 350<br>
Bus info : 0000:00:10.0<br>
Driver version: 1024<br>
Capabilities : 0x010700F3<br>
ioctl: VIDIOC_ENUMINPUT<br>
Input : 0<br>
Name : Composite 0<br>
Type : 0x00000002<br>
Audioset: 0x00000003<br>
Tuner : 0x00000000<br>
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )<br>
Status : 0<br>
<br>
Input : 1<br>
Name : Composite 1<br>
Type : 0x00000002<br>
Audioset: 0x00000003<br>
Tuner : 0x00000000<br>
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )<br>
Status : 0<br>
<br>
Input : 2<br>
Name : Composite 2<br>
Type : 0x00000002<br>
Audioset: 0x00000003<br>
Tuner : 0x00000000<br>
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )<br>
Status : 0<br>
<br>
Input : 3<br>
Name : Composite 3<br>
Type : 0x00000002<br>
Audioset: 0x00000003<br>
Tuner : 0x00000000<br>
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )<br>
Status : 0<br>
<br>
Input : 4<br>
Name : Tuner 0<br>
Type : 0x00000001<br>
Audioset: 0x00000003<br>
Tuner : 0x00000000<br>
Standard: 0x0000000000003000 ( NTSC )<br>
Status : 0<br>
<br>
Input : 5<br>
Name : Composite 4<br>
Type : 0x00000002<br>
Audioset: 0x00000003<br>
Tuner : 0x00000000<br>
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )<br>
Status : 0<br>
<br>
Input : 6 <<<<<<<<-----I tried
using this as the video input # - didn't work<br>
Name : S-Video 0<br>
Type : 0x00000002<br>
Audioset: 0x00000003<br>
Tuner : 0x00000000<br>
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )<br>
Status : 0<br>
<br>
Input : 7<br>
Name : S-Video 1<br>
Type : 0x00000002<br>
Audioset: 0x00000003<br>
Tuner : 0x00000000<br>
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )<br>
Status : 0<br>
<br>
Input : 8<br>
Name : S-Video 2<br>
Type : 0x00000002<br>
Audioset: 0x00000003<br>
Tuner : 0x00000000<br>
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )<br>
Status : 0<br>
<br>
Input : 9<br>
Name : S-Video 3<br>
Type : 0x00000002<br>
Audioset: 0x00000003<br>
Tuner : 0x00000000<br>
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )<br>
Status : 0<br>
ioctl VIDIOC_G_INPUT ok<br>
Video input = 4
<<<<<<<<<<<<<------------I tried
this as video input # - didn't work<br>
ioctl: VIDIOC_ENUMOUTPUT<br>
Output : 0<br>
Name : S-Video + Composite<br>
Type : 0x00000002<br>
Audioset: 0x00000001<br>
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )<br>
<br>
Output : 1<br>
Name : Composite<br>
Type : 0x00000002<br>
Audioset: 0x00000001<br>
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )<br>
<br>
Output : 2
<<<<<<<<<<<<<<--------------I
tried this as video input # - didn't work<br>
Name : S-Video<br>
Type : 0x00000002<br>
Audioset: 0x00000001<br>
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )<br>
<br>
Output : 3<br>
Name : RGB<br>
Type : 0x00000002<br>
Audioset: 0x00000001<br>
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )<br>
<br>
Output : 4<br>
Name : YUV C<br>
Type : 0x00000002<br>
Audioset: 0x00000001<br>
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )<br>
<br>
Output : 5<br>
Name : YUV V<br>
Type : 0x00000002<br>
Audioset: 0x00000001<br>
Standard: 0x00000000007F3FFF ( PAL NTSC SECAM )<br>
ioctl VIDIOC_G_OUTPUT ok<br>
Output = 0<br>
ioctl: VIDIOC_ENUMAUDIO<br>
Input : 0<br>
Name : Tuner Audio In<br>
<br>
Input : 1<br>
Name : Audio Line In<br>
ioctl VIDIOC_G_AUDIO ok<br>
Audio input = 0: Tuner Audio In<br>
ioctl VIDIOC_G_FREQUENCY ok<br>
Frequency = 3764<br>
ioctl: VIDIOC_ENUMSTD<br>
index : 0<br>
ID : 0x0000000000003000<br>
Name : NTSC<br>
Frame period: 1001/30000<br>
Frame lines : 525<br>
<br>
index : 1<br>
ID : 0x00000000000000FF<br>
Name : PAL<br>
Frame period: 1/25<br>
Frame lines : 625<br>
<br>
index : 2<br>
ID : 0x00000000007F0000<br>
Name : SECAM<br>
Frame period: 1/25<br>
Frame lines : 625<br>
ioctl VIDIOC_G_STD ok<br>
Video standard = 0x00003000<br>
ioctl: VIDIOC_QUERYCTRL<br>
Brightness = 127<br>
Contrast = 63<br>
Saturation = 63<br>
Hue = 0<br>
Volume = 58950<br>
Mute = 0<br>
mythtv@pvr:~$ dd if=/dev/video4 of=/myth/tv/myfile.mpg bs=64k<br>
dd: opening `/dev/video4': No such device<br>
mythtv@pvr:~$ dd if=/dev/video6 of=/myth/tv/myfile.mpg bs=64k<br>
dd: opening `/dev/video6': No such device<br>
mythtv@pvr:~$ su<br>
Password:<br>
root@pvr:/home/mythtv# dd if=/dev/video6 of=/myth/tv/myfile.mpg bs=64k<br>
dd: opening `/dev/video6': No such device<br>
root@pvr:/home/mythtv# dd if=/dev/video4 of=/myth/tv/myfile.mpg bs=64k<br>
dd: opening `/dev/video4': No such device<br>
root@pvr:/home/mythtv# dd if=/dev/video2 of=/myth/tv/myfile.mpg bs=64k<br>
dd: opening `/dev/video2': No such device<br>
root@pvr:/home/mythtv#<br>
<br>
Any other ideas?<br>
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