Some new info.

diff --git a/Demo/sgi/video/README b/Demo/sgi/video/README
index 8b8758276d89b7f2159bd0465460f72bef3d2751..db42adf13da8d42d9a87dccc2f0ce3a097480fe6 100644 (file)
--- a/Demo/sgi/video/README
+++ b/Demo/sgi/video/README
@@ -3,15 +3,17 @@ framegrabber board on loan from SGI.
 
        --Guido and Jack
 
+
 cam.py         network real-time tv broadcast; see tv.py
                usage: cam [packfactor [host]]
                specifying 'all' for host broadcasts
 
 camcorder.py   record video movies or make snapshots (in movie format)
-               usage: camcorder [-c] [-a audiohost [-s]] [moviefile]
-               -c              color (default b/w, packfactor = 2)
+               usage: camcorder [-c] [-a audiohost [-s]] [-p pf] [moviefile]
+               -c              color (equivalent to -p 0)
                -a audiohost    syncaudio is running on audiohost
                -s              start syncaudio (on audiohost)
+               -p packfactor   packfactor (default 2; 0 records color)
                moviefile       (default film.video)
                keyboard commands:
                s       stop grabbing (single step if already stopped)
@@ -24,17 +26,23 @@ statit.py   various statistics operations on movie files
 
 syncaudio.py   record audio synchronized with camcorder -a
                usage: syncaudio videohost soundfile
-               soundfile format: 16 bits, 16khz, mono
+               soundfile format: 16 bits/sample, 16000 samples/sec, 1 channel
+               (actually, you'd better set the sampling rate to 16000
+               with the audio panel)
 
 tv.py          receiver for transmissions from cam.py
 
 video.py       player for movies recorded by camcorder.py
-               usage: video [moviefile [soundfile]]
-               default moviefile is film.video
-               default sound is no sound
+               usage: video [moviefile [soundfile [skipbytes]]]
+               - default moviefile is film.video
+               - default soundfile is none (no sound)
+               - if skipbytes is given, that many bytes are skipped from
+                 soundfile before playing
 
 vinfo.py       print a summary of a movie file
 
+vpregs.py      definition of VP registers
+
 vtime.py       virtual time module imported by syncaudio.py and camcorder.py