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Gave up cdrskin specific O_DIRECT compile option

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This commit is contained in:
Thomas Schmitt
2009-11-23 19:31:32 +00:00
parent 81b74cc951
commit 5a70b9b6de
5 changed files with 62 additions and 60 deletions
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14
libburn/trunk/cdrskin/README
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@ -397,14 +397,16 @@ drive. See man page section FILES for a way to lift that ban.
Special compilation variations
All following options of cdrskin/compile_cdrskin.sh are combinable.
All following options of ./configure and cdrskin/compile_cdrskin.sh are
combinable.
In some situations Linux delivers a better write performance to drives if
the track input is read with O_DIRECT (see man 2 open). The input reader of
the cdrskin fifo can be told to use this peculiar read mode by :
cdrskin/compile_cdrskin.sh -o_direct
In some situations Linux may deliver a better write performance to drives if
the track input is read with O_DIRECT (see man 2 open). The API call
burn_os_open_track_src() and the input readers of cdrskin and libburn fifo
can be told to use this peculiar read mode by:
--enable-track-src-odirect
But typically cdrskin option dvd_obs=64k will yield even better performance in
But often cdrskin option dvd_obs=64k will yield even better performance in
such a situation. 64k can be made default at compile time by
cdrskin/compile_cdrskin.sh -dvd_obs_64k
It can also be enabled at configure time by