[MPlayer-dev-eng] Performance of libdvdread/libdvdcss

[Reimar Döffinger]

On Fri, Aug 31, 2012 at 10:51:03PM +0200, Reimar Döffinger wrote:
> On Fri, Aug 31, 2012 at 10:42:09PM +0200, Reimar Döffinger wrote:
> > There is a special function to get a file descriptor from a handle.
> > By using that one you should be able to replace the ReadFile calls by
> > read() calls, and with a bit more effort even keep the whole
> > open/authenticate code as is while using the standard libc read
> > functions.
> 
> Sorry, I think that won't work since the function is _get_osf_handle
> and it works the other way round.
> You could try if replacing FILE_FLAG_RANDOM_ACCESS (appears at least in
> device.c) with 0 or FILE_FLAG_SEQUENTIAL_SCAN makes a difference,
> the latter one might behave badly e.g. while seeking though.

Embarrassing, second correction: There is _open_osfhandle and it could
be used to try my original suggestion.