diff options
Diffstat (limited to 'DOCS/documentation.html')
| -rw-r--r-- | DOCS/documentation.html | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/DOCS/documentation.html b/DOCS/documentation.html index 3d506491be..eb54817cbc 100644 --- a/DOCS/documentation.html +++ b/DOCS/documentation.html @@ -268,7 +268,7 @@ experience any problems:<BR> <UL> <LI>If you have <B>gcc 2.96</B> on your system, <A HREF="users_against_developers.html"><B><I>READ -THIS!!!</I></B></A></LI> +THIS</A> or the <A HREF="faq.html">FAQ</A> !</I></B></LI> <LI>If you plan to use <B>MPlayer</B> on x86 architecture, you possibly want to use Win32 codecs. If you want to play or encode for example movies recorded @@ -325,6 +325,17 @@ XAnim codecs section</A>.</LI> <LI>If you have a V4L compatible <B>TV tuner</B> card, and wish to watch/grab and encode movies with <B>MPlayer</B>, read the <A HREF=#2.5>TV input</A> section.</LI> + +<LI>There are two audio/video sync codes in <B>MPlayer</B>. To use the old +method, you don't have to do anything. It uses <CODE>usleep()</CODE> to tune +A/V sync, with +/- 10ms accuracy. However sometimes the sync has to be tuned +even finer. The new sync code uses PC's RTC (Real Time Clock) for this task, +because it has precise 1ms timers. This requires root, or a <I>setuid root</I> +<B>MPlayer</B> binary (or a little kernel hacking, but that's unadvised). You +can see the new sync's efficiency in the status line. Note: <B>NEVER install +setuid MPlayer binary on a multiuser system!</B> It's a clear way for everyone +to gain root.</LI> + </UL> <P>Then build <B>MPlayer</B>:</P> |