On Fri, 2006-01-06 at 16:59 -0800, Rick Lewis wrote:
> Hi,
> 
> I'm a happy mythtv user. I ended up using Mandriva
> LE2006 as the distro that I run myth on. I have a few
> fine tuning questions about the pvr-150.
> 
> My front/backend Specs:
> Geforce4 MX 4000 with TVout
> 2 PVR-150's
> AMD Sempron 3100+
> ivtv 0.4.0
> 32Inch Regular old TV
> 
> When I record shows, or watch directly using 'mplayer
> /dev/video0' as a test, I notice some motion
> artifacting. I hope I'm using the right term.
> Basically, when say there is a closeup on someone and
> the move their hand across the screen...it looks
> slightly like a strobe effect in movement. Not smooth.

The TV input is interlaced. The PVR150 does not de-interlace.
When viewing on a computer monitor, it should be de-interlaced.
However, when copying the mpeg file to a dvd, and playing on a TV, it
will be perfect again, because the TV expects interlaced video.



> Also, on a scene where there is a say a solid color
> background like a wall...I notice an almost speckly
> effect.
> 
> I'm fairly confused as to what bitrate,
> bitmax,resolution bit settings I should be using.
> 
> Since this is consistent inside and outside of the
> mythtv interface...can I use the mplayer method
> directly and fiddle with ivtvctl? Is this a common
> problem?
> 
> I'll include the output from ivtvctl -a if that can
> help:
> 
> Thank you.
> R
> 
> 
> ------------------- output of ivtvctl
> -----------------
> ivtvctl -a
> ioctl IVTV_IOC_G_CODEC ok
> Codec parameters
> aspect : 2
> audio : 0x00e9
> bframes : 3
> bitrate_mode: 0
> bitrate : 4200000
> bitrate_peak: 6000000
> dnr_mode : 0
> dnr_spatial : 0
> dnr_temporal: 8
> dnr_type : 0
> framerate : 0
> framespergop: 15
> gop_closure : 1
> pulldown : 0
> stream_type : 0
> ioctl VIDIOC_G_FMT ok
> Type : Video Capture
> Width : 640
> Height : 480
> ioctl VIDIOC_QUERYCAP ok
> Driver name : ivtv
> Card type : WinTV PVR 150
> Bus info : 0000:00:09.0
> Driver version: 1024
> Capabilities : 0x01030011
> 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: 0x0000000000003000 ( NTSC )
> Status : 0
> 
> Input : 7
> Name : Tuner 1
> Type : 0x00000001
> Audioset: 0x00000003
> Tuner : 0x00000000
> Standard: 0x0000000000003000 ( NTSC )
> 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 = 3092
> 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 = 0x00003000
> ioctl: VIDIOC_QUERYCTRL
> Brightness = 127
> Contrast = 63
> Saturation = 63
> Hue = 0
> Volume = 58880
> Mute = 0
> 
> 
>               
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> 
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