mirror of https://github.com/mpv-player/mpv
246 lines
12 KiB
HTML
246 lines
12 KiB
HTML
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<FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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<P><B><A NAME=4.1>4.1. CD-ROM drives</A></B></P>
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<P>Playing standard Video CDs:</P>
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<P>
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mplayer -vcd <I>trackno</I> [device]<BR><BR>
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Examples:<BR>
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mplayer -vcd 1<BR>
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mplayer -fs -vcd 2 /dev/hdc<BR>
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</P>
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<P>
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Notes:<BR>
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- Do NOT mount VCD disks and play DAT files directly! It may work under windows
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but won't work under linux. You have to play them directly, with the -vcd
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option!<BR>
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- VCD disks usually have 2 tracks: a data track (containing autostart windows
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playback program, karaoke data etc) and a mode-2 track (the movie), so try
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-vcd 2 first!<BR>
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- the default VCD device is /dev/cdrom. if your device differs, then you have
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to make a symlink, or specify it in command line!
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</P>
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<P>From Linux documentation:</P>
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<P>Some CDROM drives are capable of changing their head-speed. There are several
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reasons for changing the speed of a CDROM drive. Badly pressed CDROMs may
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benefit from less-than-maximum head rate. Modern CDROM drives can obtain very
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high head rates (up to 24-times is common). It has been reported that these
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drives can make reading errors at these high speeds, reducing the speed can
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prevent data loss in these circumstances. Finally, some of these drives can
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make an annoyingly loud noise, which a lower speed may reduce.</P>
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<P>The recommended way to do it is with a program called 'setcd' . It's kinda
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old, but won't be too hard to find on the Net. (UPDATE : new hdparm
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has an option for this !)
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Use it with :</P>
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<P> <CODE>setcd -x [speed] [cdrom device]</CODE></P>
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<P>Also you can try:</P>
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<P> <CODE>echo current_speed:4 >/proc/ide/[cdrom device]/settings</CODE></P>
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<P>but you'll need root privileges. I use following command too:</P>
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<P> <CODE>echo file_readahead:2000000 >/proc/ide/[cdrom device]/settings</CODE></P>
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<P>for 2MB prefetched reading from the file (it's useful for scratched CDROMs).
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It's recommended that you tuneup your CDROM drive also with hdparm:</P>
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<P> <CODE>hdparm -d1 -a8 -u1 (cdrom device)</CODE></P>
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<P>to enable using DMA access, readahead, and IRQ unmasking.
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(if you don't understand these, *read the hdparm manpage*)</P>
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<P>Please refer to "<CODE>/proc/ide/[cdrom device]/settings</CODE>" for fine-tuning your
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CDROM.</P>
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<P><B><A NAME=4.2>4.2. DVD playback</A></B></P>
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<P>Yes, the real DVD support has been arrived. You don't need to play VOB files
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manually from disk thinking of the purpose of a file in the video_ts
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directory, you don't need worry it it's an encrypted disk or not (in old
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<B>MPlayer</B> you had to put '-dvdauth /dev/dvd' into the command line in case
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of encrypted discs), and you don't need even mount your disk to be able to
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play :)</P>
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<P>IMPORTANT NOTE: please _DO_NOT_ require further features for DVD playback.
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This is the first version of some real DVD support inside <B>MPlayer</B> and
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we're busy with hunting bugs and implementing basic DVD player features.</P>
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<P><B>MPlayer</B> uses libdvdread which has got built in support for IFO
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parsing, reading navi blocks and doing authentication/descrambling. libdvdread
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uses libdvdcss to the latter tasks. So you will need libdvdcss and libdvdread
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downloaded, compiled and installed BEFORE you run ./configure script of
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<B>MPlayer</B> which will autodetect libdvdread for you in this way.</P>
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<UL>
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<LI><P><B>Download source of libdvdread and libdvdcss.</B></P>
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<P><I>You can download them from
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<A HREF="http://www.dtek.chalmers.se/groups/dvd">http://www.dtek.chalmers.se/groups/dvd</A>
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(click 'download' in the menu at the left, and you can find libdvdcss and
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libdvdread in a table).</I></P>
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<P><B><I>IMPORTANT !</I></B><BR>
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For
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<UL>
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<LI>libdvdread 0.8 - you'll need <B>libcss</B> instead of libdvdcss</LI>
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<LI>libdvdread 0.9 - you'll need <B>libdvdcss 0.0.3</B> ! Don't use newer
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versions, they won't work!</LI>
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<LI>For example <B><U>never</U></B> use libdvdcss <B>1.0</B>, it will be unusably slow!</LI>
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</UL>
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</P>
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</LI>
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<LI><P><B>Compile and install libdvdcss THEN libdvdread.</B></P>
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<P><I>Read documentation of these packages to do this step easily.</I></P></LI>
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<LI><P><B>Recompile MPlayer.</B></P>
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<P><I>Run <CODE>./configure</CODE>. If you install libdvdread correctly, ./configure
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says something similar:<BR><CODE>Checking for DVDread support ... yes</CODE><BR>
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(Of course you can put your favourite configure options into the command
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line when you run ./configure). That's it! Say: <CODE>make</CODE>, then <CODE>make install</CODE>.</I></P></LI>
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</UL>
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<P>Of course after installing libdvdcss and libdvdread you don't need recompile
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them at each time when you want to recompile <B>MPlayer</B> (from a new CVS version
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for example) since the needed packages have already been installed on your
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machine.</P>
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<P><B>Using MPlayer to play DVDs:</B></P>
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<TABLE BORDER=0 WIDTH=100%>
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<TD VALIGN=top><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>-dvd <title_id> </TD>
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Enables DVD support and selects title.</TD><TR>
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<TD VALIGN=top><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>-chapter <chapter_id> </TD>
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Selects DVD chapter (default: play from chapter 1)</TD><TR>
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<TD VALIGN=top><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>-dvdangle <angle_id> </TD>
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Selects camera angle (default: 1)</TD><TR>
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<TD VALIGN=top><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>-alang <country code> </TD>
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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The <CODE>country code</CODE> tells <B>MPlayer</B> which audio language(s) to prefer.
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For the list of available languages, add <CODE>-v</CODE> option after
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your DVD options, and browse the output.<BR>
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For example :<BR>
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<CODE>-alang hu,en</CODE> - first tries to find hungarian
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audio, and if not found, decode english audio.</TD></TR>
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<TD VALIGN=top><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>-slang <country code> </TD>
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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Turns on DVD subtitles. The <CODE>country code</CODE> tells <B>MPlayer</B>
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which language(s) to prefer.
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For the list of available languages, add <CODE>-v</CODE> option after
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your DVD options, and browse the output.<BR>
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For example :<BR>
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<CODE>-slang hu,en</CODE> - first tries to display hungarian
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subtitles, and if not found, display english subtitles.</TD></TR>
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<TD VALIGN=top><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>-sid <subtitle_id> </TD>
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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Displays a subtitle channel with the given <CODE>id</CODE> (values can be
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0-31). Useful for example with badly mastered DVDs where country code
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selects the wrong channel.
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</TABLE>
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<P>Default device is <CODE>/dev/dvd</CODE>, you can change it in config.h
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(compile time option), or you can specify it as a filename for <B>MPlayer</B>:
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</P>
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<P> <CODE>mplayer -dvd 1 /dev/dvd</CODE></P>
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<P> <CODE>mplayer -dvd 1 -sid 5 /dev/dvd</CODE></P>
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<P> <CODE>mplayer -dvd 2 -chapter 5 -dvdangle 2</CODE></P>
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<P><B><A NAME=4.3>4.3. DVD playback FAQ</A></B></P>
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<TABLE BORDER=0 ALIGN=left WIDTH=100%>
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<TD></TD><TD VALIGN=top>Q:</TD><TD WIDTH=100%><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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Playing a DVD, I encountered this error :<BR>
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<CODE>mplayer: ifo_read.c:1143: ifoRead_C_ADT_internal: Assertion nfo_length /
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sizeof(cell_adr_t) >= c_adt->nr_of_vobs' failed.</CODE>
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</B></TD><TR><TD></TD><TD VALIGN=top>A:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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This is a known libdvdread 0.9.1 bug, it should be already fixed in 0.9.2.
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</TD><TR><TD COLSPAN=3> </TD><TR>
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<TD></TD><TD VALIGN=top>Q:</TD><TD WIDTH=100%><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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Can I compile libdvdread and libdvdcss for example on my sweet Sparc/Solaris?
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</B></TD><TR><TD></TD><TD VALIGN=top>A:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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Who knows ... Please test it and send feedback. But it's said that it
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should work. Please refer documentation of libdvdread and its homepage
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as well. We're not authors of libdvdread.
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</TD><TR><TD COLSPAN=3> </TD><TR>
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<TD></TD><TD VALIGN=top>Q:</TD><TD WIDTH=100%><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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What about subtitles? Can MPlayer display them?
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</B></TD><TR><TD></TD><TD VALIGN=top>A:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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Yes! See above in the DVD chapter.
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</TD><TR><TD COLSPAN=3> </TD><TR>
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<TD></TD><TD VALIGN=top>Q:</TD><TD WIDTH=100%><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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I've got no sound / bad sound (Spanish audio and other ugly things).
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</B></TD><TR><TD></TD><TD VALIGN=top>A:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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<B>MPlayer</B> currently does not use all of information of IFO blocks from DVD.
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You can adjust the right DVD audio stream with: '-aid 128' command line
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option, where 128 is the stream id of requested audio stream. You can
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experience with numbers of 128,129,... and so on. Of course this problem
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will be solved in the future.
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</TD><TR><TD COLSPAN=3> </TD><TR>
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<TD></TD><TD VALIGN=top>Q:</TD><TD WIDTH=100%><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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There is some strange effect (interlace like thing) especially when fast
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moving objects are shown in the movie.
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</B></TD><TR><TD></TD><TD VALIGN=top>A:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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Known problem, we try to fix it later (when we switch to libvo2).
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</TD><TR><TD COLSPAN=3> </TD><TR>
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<TD></TD><TD VALIGN=top>Q:</TD><TD WIDTH=100%><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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How can I set the region code of my DVD-Drive ? I don't have windows!
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</B></TD><TR><TD></TD><TD VALIGN=top>A:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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Use the 'regionset' tool:
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<A HREF="http://www.linuxtv.org/download/dvd/dvd_disc_20000215.tar.gz">http://www.linuxtv.org/download/dvd/dvd_disc_20000215.tar.gz</A>
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</TD><TR><TD COLSPAN=3> </TD><TR>
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<TD></TD><TD VALIGN=top>Q:</TD><TD WIDTH=100%><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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So MPlayer can play DVDs? Then it must use DeCSS! You are under arrest
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under the XYZ#$ paragraph of the--
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</B></TD><TR><TD></TD><TD VALIGN=top>A:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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Get back asshole, there is no DeCSS code in <B>MPlayer</B>. <B>MPlayer</B> uses libdvdread
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by linking against it, and libdvdread uses libdvdcss by dynamic loading it.<BR>
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<B>UPDATE</B> : DeCSS is free.
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</TD><TR><TD COLSPAN=3> </TD><TR>
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<TD></TD><TD VALIGN=top>Q:</TD><TD WIDTH=100%><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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Do I need to be (setuid) root/setuid fibmap_mplayer to be able to play DVD?
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</B></TD><TR><TD></TD><TD VALIGN=top>A:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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No, you don't. This is the past :) However of course you must have got
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the proper rights to the DVD device driver entry (in /dev).
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</TD><TR><TD COLSPAN=3> </TD><TR>
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<TD></TD><TD VALIGN=top>Q:</TD><TD WIDTH=100%><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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How can I ... (insert some expectable DVD player feature here)?
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</B></TD><TR><TD></TD><TD VALIGN=top>A:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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The current implementation is the first implementation of some real DVD
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player functionality. First, we would like to target existing bugs and
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basic features before implementing new features.
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</TD><TR><TD COLSPAN=3> </TD><TR>
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<TD></TD><TD VALIGN=top>Q:</TD><TD WIDTH=100%><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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Where can I get libdvdread and libdvdcss packages from?
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</B></TD><TR><TD></TD><TD VALIGN=top>A:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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From the site of Ogle:
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<A HREF="http://www.dtek.chalmers.se/groups/dvd">http://www.dtek.chalmers.se/groups/dvd</A>.
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</TD><TR><TD COLSPAN=3> </TD><TR>
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</TABLE>
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</BODY>
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</HTML>
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