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author | Guido van Rossum <guido@python.org> | 1991-10-30 11:52:48 (GMT) |
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committer | Guido van Rossum <guido@python.org> | 1991-10-30 11:52:48 (GMT) |
commit | e4bddeae233b107ee08f939e6645357fb245d8cb (patch) | |
tree | bb77370d73740914eecdeba9e1a31d7d9c7b0fae /Demo/sgi/video/README | |
parent | baf0ebf43c45e85e9a47d25e5279c99ca9455838 (diff) | |
download | cpython-e4bddeae233b107ee08f939e6645357fb245d8cb.zip cpython-e4bddeae233b107ee08f939e6645357fb245d8cb.tar.gz cpython-e4bddeae233b107ee08f939e6645357fb245d8cb.tar.bz2 |
Initial revision
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-rw-r--r-- | Demo/sgi/video/README | 56 |
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diff --git a/Demo/sgi/video/README b/Demo/sgi/video/README new file mode 100644 index 0000000..8b87582 --- /dev/null +++ b/Demo/sgi/video/README @@ -0,0 +1,56 @@ +This directory contains Python and C code we wrote while we had a +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) + -a audiohost syncaudio is running on audiohost + -s start syncaudio (on audiohost) + moviefile (default film.video) + keyboard commands: + s stop grabbing (single step if already stopped) + c continuous grabbing + r start recording + p pause recording (record single frame if paused) + ESC quit + +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 + +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 + +vinfo.py print a summary of a movie file + +vtime.py virtual time module imported by syncaudio.py and camcorder.py + + +These are C programs, either for efficiency or because they need to +link with a C library. + +squash.c make a movie smaller by averaging pixels + usage: squash factor [bits] <moviefile >newmoviefile + factor x and y compression factor + bits #bits left per sample in result (default 8) + +squash2.c make a movie smaller by dropping pixels + usage: squash2 factor <moviefile >newmoviefile + factor x and y compression factor + +tomono.c like squash2 but outputs a monochrome movie + +v2i.c convert the first image of a movie file to SGI .rgb format + link with -limage |