mirror of https://github.com/mpv-player/mpv
214 lines
9.4 KiB
Plaintext
214 lines
9.4 KiB
Plaintext
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Yes, this is the MPlayer FAQ.
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=============================
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About:
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~~~~~~
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Many people asked same questions so I decided to write this stuff.
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I know that people will never read this but at least i try to
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pull down number of these mails.
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And from now i can say that "read the fuckin' FAQ!" :-)
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Let's ask!
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~~~~~~~~~~
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Q: What about DVD playback?
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A: Read files 'DVD' and 'DVD-FAQ'.
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Q: SDL output doesn't work or compile. Problem is ....
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A: It is tested with newest SDL (probably runs on 1.1.7+).
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It does NOT work with 1.1.6, 1.1.5 1.1.4 1.1.3 1.0.4 etc, don't ask.
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Q: I am still having trouble compiling with SDL support. gcc says something
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about "undefined reference to `SDL_EnableKeyRepeat'" What's now?
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A: Where did you install the SDL library? If you installed in /usr/local
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(the default) then edit the top level config.mak and add
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"-L/usr/local/lib " after "X_LIBS=" Now type make. You're done!
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Q: I have problem ... with the SDL driver.
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A: It's very experimental & buggy code, and it's UNSUPPORTED by us.
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Please do NOT report bugs or ask features relating to SDL.
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If you can improve it, send us patches!
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Q: It doesn't compile, and it misses uint64_t inttypes.h and similar things...
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A: copy DOCS/inttypes.h to MPlayer directory (cp DOCS/inttypes.h .)
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try again... if fail, contact me
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Q: I have Pentium III but ./configure doesn't detect SSE
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A: Only kernel versions 2.4.x supports SSE (or try latest 2.2.19 or newer, but
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be prepared for problems)
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Q: -xy option doesn't work with x11 driver (-vo x11)
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A: x11 driver doesn't support scaling, but XF86VidMode support is now
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used: you must specify the -vm and the -fs switch, and you're done.
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Make sure you have the right Modelines in your XF86Config file, and
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try if the DGA driver (and SDL's DGA driver, see VIDEOCARDS) works for you.
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It's much faster. If SDL's DGA works too, use that, it'll be EVEN
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faster!
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Q: audio goes out of sync playing .avi file
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A: try with -bps or -nobps option
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if still bad, send me (upload to ftp) that file, I'll check.
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Q: what is the meaning of numbers in the status line?
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A: see:
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A: 2.1 V: 2.2 A-V: -0.167 ct: 0.042 57 41% 0% 2.6% 0
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- A: audio position in seconds
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- V: video position in seconds
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- A-V: audio-video difference in seconds (delay)
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- ct: total A-V sync correction done
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- frames played (counting from last seek)
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- video codec cpu usage in percent (for mpeg it includes video_out too!)
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- video_out cpu usage for avi, 0 for mpg (see above)
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- audio codec cpu usage in percent
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- dropped bad frames (mpg only)
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Most of them are for debug purposes, and will be removed soon.
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Q: Why is video_out cpu usage zero (0%) for mpeg files?
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A: It's not zero, but it's built in into codec, so can't be measured separated.
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You should try to play the file using -vo null and then -vo ... and check
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the difference to see video_out speed...
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Q: OpenGL (-vo gl) output doesn't work (hangup/black window/X11 errors/...)
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A: your opengl driver doesn't support dynamic texture chanegs (glTexSubImage)
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it's known not to work with X 4.0.x DRI drivers and nVidia's binary shit.
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it's known to work with Utah-GLX and Matrox G400 card.
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it will not work with 3DFX cards because the 256x256 texture size limit.
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Q: I have G200/G400, how to compile/use mga_vid driver?
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A: read VIDEOCARDS, INSTALL, README
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Q: What's XMMP? (it's XMMS or XMPS but mispelled?)
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A: It's a new project, see http://frozenproductions.com for details
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Q: There are error messages about file not found /usr/lib/win32/....
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A: Download & install w32codec.zip from *our* FTP
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(avifile's codec package has different DLL set)
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Q: It wants to load l3codeca.acm, but I don't have such file.
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A: You should use w32codec.zip from MPlayer FTP instead of avifile's pack!
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Q: ...... works with avifile/aviplay while doesn't with MPlayer
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A: MPlayer != avifile
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The only common thing between these players is the Win32 DLL loader.
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The codecs (dll) sets, syncronization, demultiplexing etc is totaly
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different and shouldn't be compared.
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If something works with aviplay it doesn't mean that MPlayer should do
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it and vice versa. You should contact me, I'll fix the bug!
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Q: Indeo 3.x/4.x movies are viewed upside-down!!!?
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A: It's a known bug (really it's a bug/limitation of the DLL codec)
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Q: Indeo 3.x,4.x video doesn't work at 32bpp resolutions (16,24 bpp are ok)
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A: It's a known bug (really it's a bug/limitation of the DLL codec)
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Q: I've got 'MPlayer interrupted by signal 11' in module audio_setup or
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decode_audio.
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A: This is highly unlikely, since the mp3lib rewrite. Contact us, it may be
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a bug. Possibly it's a damaged file, try with -afm 4 .
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Q: Are there rpm/deb/... packages of MPlayer?
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A: You can make a .deb package for yourself, check DOCS/DEBIAN .
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It's _STRONGLY_ discouraged to use binary packages
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of MPlayer, since it (currently) _highly_ depends on compile-time
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options and optimizations!
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Q: Are there any mailing lists on MPlayer?
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A: Yes! See README on how to subscribe them!
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Q: I've found a nasty bug when I tried to play my favourite video!!
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Who should I inform?
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A: Inform the MPlayer-users mailing list about your problem. *ALWAYS*
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read the BUGREPORTS file about what information we NEED to identify your problem.
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Use the developers addresses (specified in AUTHORS) only if you want to
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flame, or want to ask for a date. ;)
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Q: During 'make', MPlayer complains about X11 libraries. I don't understand,
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I DO have X installed!?
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A: ...but you don't have the X development package installed. Or not
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correctly. It's called XFree86-devel* under RedHat, and xlib6g-dev* under
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Debian. Also check if the /usr/X11 symlink exists (this can be a problem on
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Mandrake systems). It can be created with the
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$ ln -sf /usr/X11R6 /usr/X11
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command. Also check the /usr/include/X11 link :
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$ ln -sf /usr/X11R6/include/X11 /usr/include/X11
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Your distribution may differ from the Linux Filesystem Standard.
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Q: I have problems playing files with ... codec. Can I use'em?
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A: Check http://mplayer.sourceforge.net/DOCS/codecs.html,
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if it doesn't contain your codec, read
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http://mplayer.sourceforge.net/DOCS/CODECS, and contact us.
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Q: What about DGA driver? I can't find it!!!
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A: ./configure autodetects your DGA driver. If -vo help doesn't show
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DGA, then there's a problem with your X installation.
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Try ./configure --enable-dga (and read VIDEOCARDS)
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Alternatively, try SDL's DGA driver with '-vo sdl -sdl dga' options.
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Q: Ok, -vo help shows DGA driver, but it is babbling about permissions!
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Help me!
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A: It works only if running as root! It's a DGA limitation.
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You should become to root (su -), and try again.
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Another solution is making mplayer SUID root, but its NOT RECOMMENDED!
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'chown root /usr/local/bin/mplayer'
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'chmod 750 /usr/local/bin/mplayer'
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'chmod +s /usr/local/bin/mplayer'
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!!!! BUT STAY TUNED !!!!
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This is a *BIG* security risk! *NEVER* do this on a server or on a computer
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can be accessed by more people than only you because they can gain root
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privilegies through suid root mplayer!!!
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!!!! SO YOU HAVE BEEN WARNED ... !!!!
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Q: The fsdga driver doesn't work with my xyz.avi file. Why is that?
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A: Because it only works with MPEG. (yet)
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Q: When using Xvideo, my Voodoo 3/Banshee says:
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X Error of failed request: BadAccess (attempt to access private resource
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denied)
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Major opcode of failed request: 147 (MIT-SHM)
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Minor opcode of failed request: 1 (X_ShmAttach)
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Serial number of failed request: 26
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Current serial number in output stream:27
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A: Your driver is old, update it.
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Q: When using Xvideo, I can't play DivX avis with my Voodoo 3/Banshee !
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It says:
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...
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Xvideo image format: 0x32315659 (YV12) planar
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Xvideo image format: 0x30323449 (I420) planar
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...
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A: Your driver is old, update it. The new driver also supports YUY2 required
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for DivX.
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Q: I've downloaded an ASF with asfrecorder, but MPlayer can't play it !
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A: asfrecorder, and the ASF format itself is a big crap.
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Do not contact us, go to hell.
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Q: Umm, what is "IdegCounter" ?
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A: A mixture of a hungarian and an english word. In english, "Ideg" means
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"nerve", and is pronounced as something like "ydaegh" . It was first used
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to measure the nervousness of A'rpi, after some (umm) "mystic" disappearance
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of CVS code ;)
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Q: I can't compile SVGAlib.. I'm using 2.3/2.4 kernel.
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A: You have to edit SVGAlib's Makefile.cfg and comment "BACKGROUND = y" out.
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Q: LIRC doesn't work, because ...
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A: Are you sure you use "mplayer_lirc" instead of "mplayer" ?
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Q: MPlayer exits with something error when using l3codeca.acm
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A: Check 'ldd /usr/local/bin/mplayer' output. If it contains
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libc.so.6 => /lib/libc.so.6 (0x4???????)
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where "?" is any number then it's ok, the error is not here. If it is:
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libc.so.6 => /lib/libc.so.6 (0x00??????)
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then there is problem with your kernel/libc. Maybe you are using some
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security patches (for example Solar Designer's OpenWall patch) which
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forces loading libraries to very low addresses.
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Because l3codeca.acm is a non-relocatable DLL, it must be loaded to
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0x00400000, we can't change this. You should use non-patched kernel,
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or use MPlayer's -afm 1 option to disable using l3codeca.acm.
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Q: My computer plays M$ DivX AVIs with resolutions ~ 640x300 and stereo mp3
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sound too slow. When I use -nosound switch, everything is ok (but quiet).
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A: Those files probably have 48Khz audio, and your soundcard/driver can't play
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it correctly. Audio downsampling isn't implemented in MPlayer (yet).
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