2002-06-25 06:15:04 +00:00
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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2001-08-22 16:57:49 +00:00
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2002-03-07 17:55:34 +00:00
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2002-06-12 09:14:52 +00:00
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2002-06-25 06:15:04 +00:00
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2002-03-07 17:55:34 +00:00
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2002-06-25 06:15:04 +00:00
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<BODY>
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2001-08-26 17:28:49 +00:00
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2001-08-22 16:57:49 +00:00
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2002-10-21 20:59:43 +00:00
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<P><B><A NAME=drives>4.1. CD-ROM meghajt<6A>k</A></B></P>
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2001-08-22 16:57:49 +00:00
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2001-08-25 08:16:12 +00:00
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<P>A Linux dokument<6E>ci<63>j<EFBFBD>b<EFBFBD>l:</P>
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2001-08-22 16:57:49 +00:00
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2001-08-25 08:16:12 +00:00
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<P>N<EFBFBD>h<EFBFBD>ny CDROM meghajt<6A> k<>pes szab<61>lyozni az olvas<61>s sebess<73>g<EFBFBD>t. J<>n<EFBFBD>h<EFBFBD>ny okunk
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2002-08-18 20:48:00 +00:00
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lehet arra, hogy ezt kihaszn<7A>ljuk:</P>
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2001-08-22 16:57:49 +00:00
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2002-08-18 20:48:00 +00:00
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<UL>
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<LI>Magas sebess<73>gen el<65>fordulhatnak olvas<61>si hib<69>k, f<>leg hib<69>san
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k<>sz<73>tett CD lemezek eset<65>n.</LI>
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<LI>Nem elhanyagolhat<61> a sebess<73>ggel ar<61>nyos zajszint sem.</LI>
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</UL>
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<P>Aj<EFBFBD>nlott a 'hdparm' vagy a 'setcd' nev<65> programot haszn<7A>lni.</P>
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<P> <CODE>hdparm -E [sebess<73>g] [meghajt<6A>]</CODE></P>
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2001-08-22 16:57:49 +00:00
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2001-08-25 08:16:12 +00:00
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<P> <CODE>setcd -x [sebess<73>g] [meghajt<6A>]</CODE></P>
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2001-08-22 16:57:49 +00:00
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2001-08-25 08:16:12 +00:00
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<P>M<EFBFBD>sik m<>dszer :</P>
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2001-08-22 16:57:49 +00:00
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2001-08-25 08:16:12 +00:00
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<P> <CODE>echo current_speed:4 >/proc/ide/[meghajt<6A>]/settings</CODE></P>
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2001-08-22 16:57:49 +00:00
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2002-08-18 20:48:00 +00:00
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<P>de ehhez rendszergazdai jogosults<74>g sz<73>ks<6B>ges. A k<>vetkez<65> parancs is
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hasznos lehet:</P>
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2001-08-22 16:57:49 +00:00
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2001-08-25 08:16:12 +00:00
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<P> <CODE>echo file_readahead:2000000 >/proc/ide/[meghajt<6A>]/settings</CODE></P>
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2001-08-22 16:57:49 +00:00
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2001-08-25 08:16:12 +00:00
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<P>Ez 2Mb-ot olvas el<65>re olvas<61>skor (karcos CDROM-okn<6B>l hasznos).
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Aj<41>nlott tov<6F>bb<62> a 'hdparm' program haszn<7A>lata :<P>
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2001-08-22 16:57:49 +00:00
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2001-08-25 08:16:12 +00:00
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<P> <CODE>hdparm -d1 -a8 -u1 (meghajt<6A>)</CODE></P>
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2001-08-22 16:57:49 +00:00
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2001-08-25 08:16:12 +00:00
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<P>Ez bekapcsolja a DMA hozz<7A>f<EFBFBD>r<EFBFBD>st, el<65>reolvas<61>st, IRQ unmaskingot.
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(ha ezeket nem <20>rted, *olvasd el a hdparm man-j<>t*)</P>
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2001-08-22 16:57:49 +00:00
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2001-08-25 08:16:12 +00:00
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<P>K<EFBFBD>s<EFBFBD>rletezz a <CODE>/proc/ide/[meghajt<6A>]/settings</CODE> file-lal tov<6F>bbi tuning c<>lj<6C>b<EFBFBD>l.</P>
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2001-08-22 16:57:49 +00:00
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2002-10-21 20:59:43 +00:00
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<P>FreeBSD:</P>
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<P> Speed: <CODE>cdcontrol [-f meghajt<6A>] speed [sebess<73>g]</CODE></P>
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<P> DMA: <CODE>sysctl hw.ata.atapi_dma=1</CODE></P>
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<P><B><A NAME=dvd>4.2. DVD lej<65>tsz<73>s</A></B></P>
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2001-08-22 16:57:49 +00:00
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2002-04-27 09:08:30 +00:00
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<P>Az <B>MPlayer</B> a <CODE>libdvdread</CODE> <20>s <CODE>libdvdcss</CODE>
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n<>ven ismert k<>nyvt<76>rakat haszn<7A>lja a DVD dek<65>dol<6F>s<EFBFBD>hoz <20>s lej<65>tsz<73>s<EFBFBD>hoz.
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2002-10-06 20:58:07 +00:00
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Ez a k<>t program a <CODE>libmpdvdkit2/</CODE> alk<6C>nyvt<76>rban tal<61>lhat<61>, <20>gy
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2002-04-27 09:08:30 +00:00
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k<>l<EFBFBD>n install<6C>l<EFBFBD>suk sz<73>ks<6B>gtelen <20>s felesleges. Az<41>rt haszn<7A>ljuk ezt a
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m<>dszert mert <20>gy lehet<65>s<EFBFBD>g<EFBFBD>nk ny<6E>lt kijav<61>tani egy <CODE>libdvdread</CODE>
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bugot, <20>s megpatchelni a <CODE>libdvdcss-t</CODE> olyan m<>don hogy a
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felt<6C>rt CSS kulcsokat mentse el a <CODE>$HOME/.mplayer/DVDKeys</CODE>
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k<>nyvt<76>rba, <20>gy a k<>vetkez<65> lej<65>tsz<73>sn<73>l nem lesz sz<73>ks<6B>g ezek <20>jabb
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felt<6C>r<EFBFBD>s<EFBFBD>re.</P>
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2001-08-26 16:52:47 +00:00
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2002-10-06 20:58:07 +00:00
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<P>Az <B>MPlayer</B> k<>pes a rendszerben m<>r jelenlev<65> libdvdread <20>s libdvdcss
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k<>nyvt<76>rakat is haszn<7A>lni, de ez a megold<6C>s <B>nem</B> aj<61>nlott,
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hib<69>kat eredm<64>nyezhet, k<>nyvt<76>r-inkompatibilit<69>st, <20>s alacsonyabb
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sebess<73>get.</P>
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2002-04-27 09:08:30 +00:00
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<P>A <CODE>libdvdnav</CODE> t<>mogat<61>s<EFBFBD>nak k<>sz<73>t<EFBFBD>se folyamatban van, jelenleg
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nem haszn<7A>lhat<61>.</P>
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2001-08-26 16:52:47 +00:00
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2002-08-18 20:48:00 +00:00
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<P><B>R<EFBFBD>gi tipus<75> DVD t<>mogat<61>s - <I>OPCION<EFBFBD>LIS</I></B></P>
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2002-01-08 17:35:44 +00:00
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<P><I>Ez akkor hasznos ha pl merevlemezr<7A>l akarsz k<>dolt VOB-ot lej<65>tszani.
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2002-01-15 17:04:01 +00:00
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Ford<72>tsd le <20>s install<6C>ld a <B>libcss</B> 0.0.1-et (<28>s ne <20>jabbat).
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Ha az <B>MPlayer</B> nem tal<61>lja, haszn<7A>ld a <CODE>-csslib /<2F>tvonal/libcss.so</CODE>
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2002-08-18 20:48:00 +00:00
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opci<63>t.</P>
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<P>Az opci<63>k teljes list<73>j<EFBFBD>hoz l<>sd a manpage-t.</P>
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2001-08-26 16:52:47 +00:00
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2002-08-14 20:24:55 +00:00
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<P><B><A NAME="vcd">4.3. VCD lej<65>tsz<73>s</A></B></P>
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<P>Szabv<EFBFBD>nyos Video CD-k lej<65>tsz<73>sa a k<>vetkez<65>k<EFBFBD>ppen lehets<74>ges:</P>
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<P>
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mplayer -vcd <I>s<EFBFBD>v sz<73>ma</I> [-cdrom-device eszk<7A>z]<BR><BR>
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N<>h<EFBFBD>ny p<>lda:<BR>
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mplayer -vcd 1<BR>
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mplayer -fs -vcd 2 -cdrom-device /dev/hdc<BR>
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</P>
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<P>
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Megjegyz<79>sek:<BR>
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- NE pr<70>b<EFBFBD>lj mountolni VCD-ket, <20>s k<>zvetlen lej<65>tszani DAT f<>jlokat! Ez
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windows alatt m<>k<EFBFBD>dik, de Linux alatt nem.<BR>
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- A VCD lemezeken <20>ltal<61>ban 2 s<>v van: egy adats<74>v (windowsos lej<65>tsz<73>t,
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karaoke adatot tartalmaz, stb) <20>s egy mode-2 s<>v (a film), <20>gy el<65>sz<73>r
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<CODE>-vcd 2</CODE>-t <20>rj be!<BR>
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- Az alap<61>rtelmezett VCD eszk<7A>z a /dev/cdrom. Ha a tied ett<74>l elt<6C>r,
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szimbolikus linket kell l<>trehozni, vagy megadni az eszk<7A>zt a
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parancssorban!
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</P>
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2001-08-22 16:57:49 +00:00
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