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Code Issues Releases Wiki Activity

expanded and improved NeoMagic TV-out section

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based on a patch by Helio Polis, simplesmoke_at_hotmail_dot_com


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@17560 b3059339-0415-0410-9bf9-f77b7e298cf2
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diego 2006-02-08 12:17:41 +00:00
parent 1806f8776f
commit 8e5514a5d0
1 changed files with 20 additions and 15 deletions
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DOCS/xml/en/video.xml
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@ -2501,22 +2501,27 @@ Of course the important thing is the TwinView part.
The NeoMagic chip is found in a variety of laptops, some of them are equipped
with a simple analog TV encoder, some have a more advanced one.
<itemizedlist>
<listitem><simpara>
<listitem><para>
<emphasis role="bold">Analog encoder chip</emphasis>:
Tested on a Toshiba Tecra 8000. Its TV output chip is miserable crap. Avoid
if possible.
</simpara> <simpara>
You must use <option>-vo vesa</option>. The tested chip was capable of
1.333333 aspect ratio only, so be sure to use the <option>-x</option>,
<option>-y</option> options and/or the
<option>-vf scale,crop,expand</option> filters if the box doesn't let
you enable TV output. Maximum resolution was 720*576 at 16bpp.
</simpara>
<simpara>
Known issues: VESA-only, 1.33333 limitation, image isn't always centered,
movie becomes 4bpp in every 10 minutes, and stays that way. Frequent hard
freezes, LCD display problems.
</simpara></listitem>
It has been reported that reliable TV out can be obtained by using
<option>-vo fbdev</option> or <option>-vo fbdev2</option>.
You need to have vesafb compiled in your kernel and pass
the following parameters on the kernel command line:
<option>append="video=vesafb:ywrap,mtrr" vga=791</option>.
You should start <application>X</application>, then switch to console mode
with e.g. <keycap>CTRL</keycap>+<keycap>ALT</keycap>+<keycap>F1</keycap>.
If you fail to start <application>X</application> before running
<application>MPlayer</application> from the console, the video
becomes slow and choppy (explanations are welcome).
Login to your console, then initiate the following command:
<screen>clear; mplayer -vo fbdev -zoom -cache 8192 dvd://</screen>
Now you should see the movie running in console mode filling up about
half your laptop's LCD screen.
To switch to TV hit <keycap>Fn</keycap>+<keycap>F5</keycap> three times.
Tested on a Tecra 8000, 2.6.15 kernel with vesafb, ALSA v1.0.10.
</para></listitem>
<listitem><simpara>
<emphasis role="bold">Chrontel 70xx encoder chip</emphasis>:
Found in IBM Thinkpad 390E and possibly other Thinkpads or notebooks.