Regarding ProcAmp Control support in a system
- From: "sreenivas" <srinivas2kalam@xxxxxxxxx>
- Date: Mon, 12 Mar 2007 23:25:29 -0700
I am using the VMR9 filter to render the video.As a part of the module
I have to use the ProcAmp control.I used the IVMRMixerControl9
interface to set and get the values related to properties of the
ProcAmp control.But in rendering the video it is working fine and
where as coming to case of ProcAmp control I am able to set the values
to properties but in my system the preview turns black even for a
small change in the any of the property of the ProcAmp control.Here I
am using Windows XP2.
In my research what I have found is that DirectX have differnet
features which work differently with different operating
systems.Because of this reason I have tested my module on another
system of Windows2K operating system and it is supporting the ProcAmp
control even I am able to observe change in the preview of the video
upto some extent of the property values and beyond the property range
video shows blur.
And one more thing is that I created the filter graph externally using
the
GraphEdit and from that what I have observed is that VMR9 supports the
ProcAmp control only when the input to the VMR9 filer is of the format
YUY2.This format of input to the VMR9 can be given only when
intermediate filters(upstream filters) are able to produce this
format.
To resolve this issue I would like to use the transform filter to
convert upstream filetr output into YUY2 to support te procamp
control.But I am not able to create the transform filter.
If any one know about this please let me know how to resolve this
issue.
Regards
Srinivasa Reddy
.
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