[Bug 71448] [UVD] qvdpautest is very slow on radeonsi (HD 7950)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71448

--- Comment #14 from Christian König <deathsimple at vodafone.de> ---
(In reply to comment #11)
> (In reply to comment #5)
> > (In reply to comment #4)
> > > FATAL: get_bits failed : No backend implementation could be loaded.!!    
> > > 
> > > There's some problem with your build.
> > 
> > That message is normal, just a function we haven't implemented yet.
> > 
> 
> As far as I can see it's actually illegal API usage in qvdpautest. It's
> trying to read from uninitialized video surfaces, which is not guaranteed to
> work. Swapping around the order of tests so that it does the PutBits test
> first fixes it.

Thx for the into. qvdpautest is badly written in many aspects (takes to many
time, is inaccurate etc...). Would be nice if somebody could sit down and
either write something new from scratch or start to improve it.

Some rather stupid command-line tool with a couple of options for testing
different decoding profile and output methods should be perfectly sufficient.

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