64 lines
2.4 KiB
Plaintext
64 lines
2.4 KiB
Plaintext
Ogle is a dvd player with support for menus and
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subtitles. Currently, it lacks some audio formats
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support (PCM, mp3, etc) so a few DVDs will work
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without sound. mplayer ought to be able to play these,
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but it doesn't have navigational menus supports.
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As shipped, ogle cannot descramble DVDs. There are
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a few DVDs out there with no scramble protection.
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However, ogle will recognize and use an installed
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descrambling library.
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To run ogle, you need a graphics card well supported
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by XFree, including the Xvideo extension in YUV mode,
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and a sound card with 48KHz output (ATI card owners
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may wish to use the ATI-4.1.0.i386.tgz package)
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You can check your display Xvideo capabilities with
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xdpyinfo (presence of the Xvideo extension) and
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xvinfo (presence of an adapter with correct YUV
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capabilities).
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A positive test will usually look like:
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xvinfo
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Number of image formats: 4
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...
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id: 0x32315659 (YV12)
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guid: 59563132-0000-0010-8000-00aa00389b71
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...
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which is the encoding that ogle is looking for.
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Alternately, at the expense of more cpu power,
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ogle can also use SystemV shared memory, but the
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shared memory requirements exceed default GENERIC parameters.
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You will need to crank them up.
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Starting with OpenBSD 3.1, you can use config to change them
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without needing to recompile the kernel, e.g.,
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config -e -o bsd2 bsd
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adjust shmseg (number of segments, 16 is a good value)
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and shmmaxpgs (total size of systemV shared memory, crank to
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at least 4096).
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The graphical interface add-on ogle-gui currently
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does not work on OpenBSD, but the program can be fully
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controlled from the keyboard anyways, see oglerc(5).
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Overall, ogle needs about 50% cpu for full-framerate decoding
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on a PIII700 with an ATI Mach64 Mobility and an ESS
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Maestro 2.
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If Xvideo YV12 is not available, ogle roughly needs 120% cpu
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on the same machine in 24 bits mode, and full screen rescale
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is not available. On i386, it's highly recommended to go
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to a 16 bits mode, where MMX acceleration code exists (requirements
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go down to 70% cpu).
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If you can, you may also wish to add several `non-standard'
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modes to your XF86Config. The most useful being 720x576.
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FLAVORS: altivec (ppc only)
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Uses altivec vector unit for a huge speed-up. Only works on
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powerpc platform with altivec hardware support.
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Altivec is present on all PowerPC G4 processors. Altivec is
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not present on G3 or earlier (60x) processors.
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WWW: ${HOMEPAGE}
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