doc/indevs/iec61883: document requirements for iec61883 device

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>

diff --git a/doc/indevs.texi b/doc/indevs.texi
index dd167b8..fed0fbf 100644 (file)
--- a/doc/indevs.texi
+++ b/doc/indevs.texi
@@ -183,6 +183,10 @@ See also @url{http://linux-fbdev.sourceforge.net/}, and fbset(1).
 
 FireWire DV/HDV input device using libiec61883.
 
+To enable this input device, you need libiec61883, libraw1394 and
+libavc1394 installed on your system. Use the configure option
+@code{--enable-libiec61883} to compile with the device enabled.
+
 The iec61883 capture device supports capturing from a video device
 connected via IEEE1394 (FireWire), using libiec61883 and the new Linux
 FireWire stack (juju). This is the default DV/HDV input method in Linux