Implement support for libao via the new ao writer.

[paraslash.git] / web / manual.m4

diff --git a/web/manual.m4 b/web/manual.m4
index 5926b55536c736c0bd8f031bd596d51e31587fbb..037269568c289c9d6bec7684a299a68a08903f59 100644 (file)
--- a/web/manual.m4
+++ b/web/manual.m4
@@ -251,6 +251,10 @@ Optional:
        Linux, you'll need to have ALSA's development package
        libasound2-dev installed.
 
+       - XREFERENCE(http://downloads.xiph.org/releases/ao/,
+       libao). Needed to build the ao writer (ESD, PulseAudio,...).
+       Debian package: libao-dev.
+
 Installation
 ~~~~~~~~~~~~
 
@@ -1504,9 +1508,9 @@ Forward error correction
 ~~~~~~~~~~~~~~~~~~~~~~~~
 
 As already mentioned REFERENCE(Streaming protocols, earlier),
-paraslash uses forward error correction (FEC) for the unreliable
-UDP transport. FEC is a technique which was invented already in
-1960 by Reed and Solomon and which is widely used for the parity
+paraslash uses forward error correction (FEC) for the unreliable UDP
+and DCCP transports. FEC is a technique which was invented already
+in 1960 by Reed and Solomon and which is widely used for the parity
 calculations of storage devices (RAID arrays). It is based on the
 algebraic concept of finite fields, today called Galois fields, in
 honour of the mathematician Galois (1811-1832). The FEC implementation
@@ -1678,6 +1682,11 @@ write the PCM data to a file on the file system rather than playing
 it through a sound device. It is supported on all platforms and is
 always compiled in.
 
+*AO*. _Libao_ is a cross-platform audio library which supports a wide
+variety of platforms including PulseAudio (gnome), ESD (Enlightened
+Sound Daemon), AIX, Solaris and IRIX.  The ao writer plays audio
+through an output plugin of libao.
+
 Examples
 ~~~~~~~~