Re: Dynamic Video Resolution on Performer 2.1

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Sharon Clay (src++at++rose.asd.sgi.com)
Tue, 29 Oct 1996 12:18:27 -0800

->On Oct 29, 11:54am, Clive Harding wrote:
-> Subject: Dynamic Video Resolution on Performer 2.1
-> There seems to be a problem with DVR on the IR in performer 2.1.
->
-> This can be simply demonstrated using perfly. Set up your IR to do
-> 2++at++1280x1024_60. Log in etc. Run perfly -c 2 -V 1 afile.flt . The left
-> channel (channel 0) output is scaled (by using the up and down arrow
-> keys) but the right channel (channel 1) has its image scaled down but
-> does not then resize properly. You can turn the stats on to show the
-> effect if you haven't got a database loaded.
->
-> I tried modifying the vchan.c demo in /usr/share/Performer......
-> to output two channels or even select channel 1 for DVR to happen on.
-> It seemed to want to perform DVR on channel 0 no matter what I did.
->
-> It's OK if you want one channel to be DVR'd.

I'm afraid that 2.1 had bugs with resize of multiple DVR channels that were
on the same pipe.
These bugs are fixed in Performer 2.2.

src.

-- 
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Sharon Rose Clay (Fischler) - Silicon Graphics, Advanced Systems Dev.
src++at++sgi.com  (415) 933 - 1002  FAX: (415) 965 - 2658  MS 8U-590
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