[Avifile]progress on ongoing problems with vcr and libavifile

[Ray Olszewski]

As you may recall, I''ve been trying to get the application "vcr" running 
with the newer versions of libavifile (specifically, with 0.7.29). I now 
have a version that seems to run correctly on some hardware, but in 
developing it, I've turned up a hardware-specific problem I wanted to 
report here, and see if anyone else had seen.

Using either my new version of vcr with 0.7.29, or the old version with 
0.7.15, the application *thinks* it captures and encodes all the frames (at 
29.97 fps; also tested at 15 and 5 fps). And the .avi file that gets 
written thinks it contains 29.97 (or 15 or 5) fps data. But in fact, the 
file contains a bit less than half the number fo frames it should contain, 
end even less audio. All tests were done with the "DivX ;-) Fast-Motion" codec.

The problem occues ONLY when I run on a system that uses a Gigabyte 
Technollogies P4 Titan mobo, with a 1.7 GHz Celeron. If I move the TV card 
(an AverTV card) *and* the same hard disk to a different system (an old 
E-Machine with a 533 Celeron), the vcr/avifile/"DivX ;-) Fast-Motion" combo 
captures perfectly fine. And on the P4 Titan system, mencoder works for 
capture (and both xawtv and xine work fine).

So the problem appears to be some hardware issue that relates specifically 
to avifile (or, conceivably, to vcr or the codec). Anyone have any ideas?



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