Ricardo Kleemann wrote:
The video captured seems to be a little soft, is there anyway to
adjust the sharpness? I imagined that feeding to the S-Video input
would give me better quality video. I'm feeding in a DVD player with
the S-Video. Should I expect high quality s-video with the PVR 150 ?
Is this maybe related to some setting in the recording profile of
mythtv? I have the recording profile bitrate set to 6000 and capture
at 720x480.
That's strange, I think the svideo input on my PVR150 is fantastic
(at least compared to composite or tuner). I don't have any reference
material to show you, but I think I do my testing with 720x480 at 6500.
I usally turn off the noise reduction filters when comparing image
quality though:
ivtvctl -c dnr_mode=3,dnr_spatial=0,dnr_temporal=0
I'm not sure about the sharpness control. The datasheet says "luma
data path logic processes the luma waveform that comes from the Y/C
separation module", so I wonder if the luma postprocess also takes input
that comes from a pre-separated source. You can give it a try though:
echo PEAK_EN=1 | cx25840ctl -s
^^^ enable sharpness amp
echo PEAK_SEL=N | cx2584ctl -s
where N is 0-3. 3 being the strongest sharpness.
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