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authorgabucino <gabucino@b3059339-0415-0410-9bf9-f77b7e298cf2>2001-09-14 16:13:28 +0000
committergabucino <gabucino@b3059339-0415-0410-9bf9-f77b7e298cf2>2001-09-14 16:13:28 +0000
commit9d6a411ce24f6808962364370d9583490cf271d6 (patch)
treecdc52a1b88f1c73920a38f45a491419dd60bef39 /DOCS/sound.html
parent2f64d3e7e7f45a4b130c6eee098f0961a2a8a401 (diff)
downloadmpv-9d6a411ce24f6808962364370d9583490cf271d6.tar.bz2
mpv-9d6a411ce24f6808962364370d9583490cf271d6.tar.xz
jo sok ilyen ize.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1893 b3059339-0415-0410-9bf9-f77b7e298cf2
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<P><B><A NAME=2.2.2>2.2.2. Audio output devices</A></P></B>
+<P><B>MPlayer</B>'s audio interface is called <I>libao2</I>. It currently
+contains these drivers :</P>
+
<P><UL>
<LI>OSS (ioctl) driver
-<LI>SDL driver (supports up/downsampling, esd, arts etc)
+<LI>SDL driver (supports up/downsampling, ESD, ARTS etc)
<LI>native ALSA 0.5 driver
-<LI>native ALSA 0.9 driver (buggy, use OSS emulation!)
+<LI>native ALSA 0.9 driver (buggy, use OSS emulation instead!)
<LI>ESD (through SDL)
<LI>ARTS (through SDL)
<LI>SUN audio driver (/dev/audio) for BSD and Solaris8 users
</UL></P>
+<P>The fact is, Linux soundcard drivers are usually shit, and always as
+incompatible as they can be. It MAY take a while to find your optimal settings.</P>
+<P><UL>
+<LI>if you have OSS as driver, first try with <I>-ao oss</I> (this is the default).
+If you experience glitches, halts or anything out of the ordinary, have a
+look at <I>-ao sdl</I> (NOTE: of course you'll have to have a new SDL library and its
+devel pair installed). It helps in a lot of cases (it also supports ESD, ARTS, and
+up/downsampling. /esd is GNOME's, arts is KDE's sound daemon/).</LI>
+<LI>if you have ALSA version 0.5, then you ALMOST always have to use <I>-ao alsa5</I> ,
+since 0.5 has buggy OSS emulation code, and will <B>crash MPlayer</B> with
+a message like this:<BR>
+ <UL>
+ <CODE>DEMUXER: Too many (945 in 8390980 bytes) video packets in the buffer!</CODE></UL>
+</LI>
+<LI>if you have ALSA version 0.9, use <I>-ao oss</I> or <I>-ao sdl</I> as you
+wish.</LI>
+</UL></P>
+
+<P>On <B>Solaris/FreeBSD</B> systems, use the SUN audio driver with the
+<I>-ao sun</I> option, otherwise you'll have no video, nor audio playing.</P>
+
<P><B><A NAME=2.2.2.1>2.2.2.1. Soundcard experiences, recommendations</A></B></P>
<P><TABLE BORDER=0 WIDTH=100%>
-<TD COLSPAN=3><B>Aureal Vortex 2</B></TD><TR>
-<TD>&nbsp;&nbsp;&nbsp;&nbsp;</TD><TD>OSS/Free:</TD><TD>no driver</TD><TR>
-<TD></TD><TD>OSS:</TD><TD>OK</TD><TR>
-<TD></TD><TD>ALSA:</TD><TD>no driver</TD><TR>
-<TD></TD><TD>Max kHz:</TD><TD>48</TD><TR>
-<TD></TD><TD>Driver:</TD><TD><A HREF="http://aureal.sourceforge.net">aureal.sourceforge.net</A></TD><TR>
-<TD></TD><TD>Driver2:</TD><TD> from <A HREF="http://makacs.poliod.hu/~pontscho/aureal/au88xx-1.1.3.tar.bz2">here</A><BR>
+<TD COLSPAN=3><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Aureal Vortex 2</B></TD><TR>
+<TD>&nbsp;&nbsp;&nbsp;&nbsp;</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OSS:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>no driver</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OSS/Pro:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OK</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>ALSA:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>no driver</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Max kHz:</TD><TD>48</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Driver:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2><A HREF="http://aureal.sourceforge.net">aureal.sourceforge.net</A></TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Driver2:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2> from <A HREF="http://makacs.poliod.hu/~pontscho/aureal/au88xx-1.1.3.tar.bz2">here</A><BR>
(<I>buffer size increased to 64k</I>)</TD><TR>
-<TD COLSPAN=3><B>GUS PnP</B></TD><TR>
-<TD></TD><TD>OSS/Free:</TD><TD>no driver</TD><TR>
-<TD></TD><TD>OSS:</TD><TD>OK</TD><TR>
-<TD></TD><TD>ALSA:</TD><TD>OK</TD><TR>
-<TD></TD><TD>Max kHz:</TD><TD>48</TD><TR>
-
-<TD COLSPAN=3><B>SB Live!</B></TD><TR>
-<TD></TD><TD>OSS:</TD><TD>OK</TD><TR>
-<TD></TD><TD>ALSA:</TD><TD>(?)</TD><TR>
-<TD></TD><TD>Max kHz:</TD><TD>48</TD><TR>
-
-<TD COLSPAN=3><B>SB AWE 64</B></TD><TR>
-<TD></TD><TD>OSS:</TD><TD>max 44kHz</TD><TR>
-<TD></TD><TD>ALSA:</TD><TD>48kHz sounds shit</TD><TR>
-<TD></TD><TD>Max kHz:</TD><TD>48</TD><TR>
-
-<TD COLSPAN=3><B>Gravis UltraSound ACE</B></TD><TR>
-<TD></TD><TD>OSS:</TD><TD>max 44Khz. <I>Also has problems with the
-new sound code.</I></TD><TR>
-<TD></TD><TD>ALSA:</TD><TD>OK</TD><TR>
-<TD></TD><TD>Max kHz:</TD><TD>48</TD><TR>
-
-<TD COLSPAN=3><B>Gravis UltraSound MAX</B></TD><TR>
-<TD></TD><TD>OSS:</TD><TD>OK</TD><TR>
-<TD></TD><TD>ALSA:</TD><TD>OK (?)</TD><TR>
-<TD></TD><TD>Max kHz:</TD><TD>48</TD><TR>
-
-<TD COLSPAN=3><B>ESS 688</B></TD><TR>
-<TD></TD><TD>OSS:</TD><TD>OK</TD><TR>
-<TD></TD><TD>ALSA:</TD><TD>OK (?)</TD><TR>
-<TD></TD><TD>Max kHz:</TD><TD>48</TD><TR>
-
-<TD COLSPAN=3><B>C-Media cards (which ones?)</B></TD><TR>
-<TD></TD><TD>OSS:</TD><TD>not OK (hissing) (?)</TD><TR>
-<TD></TD><TD>ALSA:</TD><TD>OK (?)</TD><TR>
-<TD></TD><TD>Max kHz:</TD><TD>?</TD><TR>
-
-<TD COLSPAN=3><B>PC Speaker or DAC</B></TD><TR>
-<TD></TD><TD>OSS:</TD><TD>OK (<I>use the SDL driver : -ao sdl</I>)</TD><TR>
-<TD></TD><TD>ALSA:</TD><TD>no driver</TD><TR>
-<TD></TD><TD>Max kHz:</TD><TD>the driver emulates 44.1 maybe more</TD><TR>
-<TD></TD><TD>Driver:</TD><TD><A HREF="ftp://ftp.infradead.org/pub/pcsp">ftp://ftp.infradead.org/pub/pcsp</A></TD><TR>
+<TD COLSPAN=3><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>GUS PnP</B></TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OSS:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>no driver</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OSS/Pro:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OK</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>ALSA:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OK</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Max kHz:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>48</TD><TR>
+
+<TD COLSPAN=3><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>SB Live!</B></TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OSS:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OK</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>ALSA:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>(?)</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Max kHz:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>48</TD><TR>
+
+<TD COLSPAN=3><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>SB AWE 64</B></TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OSS:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>max 44kHz</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>ALSA:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>48kHz sounds shit</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Max kHz:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>48</TD><TR>
+
+<TD COLSPAN=3><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Gravis UltraSound ACE</B></TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OSS:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>max 44Khz. <I>not OK</I></TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>ALSA:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OK</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Max kHz:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>48</TD><TR>
+
+<TD COLSPAN=3><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Gravis UltraSound MAX</B></TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OSS:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OK</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>ALSA:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OK (?)</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Max kHz:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>48</TD><TR>
+
+<TD COLSPAN=3><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>ESS 688</B></TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OSS:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OK</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>ALSA:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OK (?)</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Max kHz:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>48</TD><TR>
+
+<TD COLSPAN=3><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>C-Media cards (which ones?)</B></TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OSS:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>not OK (hissing) (?)</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>ALSA:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OK (?)</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Max kHz:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>?</TD><TR>
+
+<TD COLSPAN=3><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Tecra 8100 (?) (ymf-pci)</B></TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OSS:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>not OK (?)</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>ALSA:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OK only with ALSA 0.5 with OSS emulation <B>AND</B> <I>-ao sdl</I> (!) (?)</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Max kHz:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>?</TD><TR>
+
+<TD COLSPAN=3><B><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>PC Speaker or DAC</B></TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OSS:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>OK (<I>use the SDL driver : -ao sdl</I>)</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>ALSA:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>no driver</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Max kHz:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>the driver emulates 44.1 maybe more</TD><TR>
+<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>Driver:</TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2><A HREF="ftp://ftp.infradead.org/pub/pcsp">ftp://ftp.infradead.org/pub/pcsp</A></TD><TR>
</TABLE></P>
<P><UL>
-<LI> use at least 2.4 if possible, 2.2 isn't tested
-<LI> if sound clicks when playing from CD-ROM, turn on IRQ unmasking !
+<LI>on Linux, use at least kernel 2.4 if possible, 2.2 isn't tested
+<LI>if sound clicks when playing from CD-ROM, turn on IRQ unmasking !
for example "hdparm -u1 /dev/cdrom" (see "man hdparm" !!!)
This is recommended anyways... (for XMMS, etc...)
Read section <A HREF="cd-dvd.html#4.1">4.1</A>.
-<LI> don't use your soundcard by other application ( for ex. XMMS ) !
- if you use ESD, start MPlayer with the '-vo sdl:esd' option !
-<LI> Please tell us how MPlayer and your soundcard(s) worked together!
+<LI>don't use your soundcard by other application ( for ex. XMMS ) !
+ if you use ESD, start MPlayer with the '-vo adl:esd' option !
+<LI>Please tell us how MPlayer and your soundcard(s) worked together!
</UL></P>
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