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Diffstat (limited to 'Demo')
| -rw-r--r-- | Demo/sgi/video/README | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/Demo/sgi/video/README b/Demo/sgi/video/README index 628ccbf..39f63b5 100644 --- a/Demo/sgi/video/README +++ b/Demo/sgi/video/README @@ -1,7 +1,22 @@ -This directory contains Python and C code we wrote while we had a -framegrabber board on loan from SGI. +This directory contains Python and C code for video stuff. - --Guido and Jack +History: + +We started this in October 1991, when we had a large framegrabber +board on loan from SGI for a few weeks. + +Later, when we started processing the recorded film fragments, the +"CMIF video format" was revised several times, and we finally created +an object-oriented interface for reading and writing various +incarnations of these files, called VFile. + +When we finally got our own Indigo entry-level video board (in June +1992) and a version of the Irix video library that supported capturing +PAL format (August 1992) Sjoerd added an interface to the video +library to Python (sv) and Guido wrote makemovie.py (based upon a +still frame grabber by Sjoerd) to record a movie using it. + + --Guido, Jack and Sjoerd cam.py network real-time tv broadcast; see tv.py @@ -24,6 +39,9 @@ camcorder.py record video movies or make snapshots (in movie format) colorsys.py color conversions, used by video +makemovie.py record video movies using the Indigo video library and + board + statit.py various statistics operations on movie files syncaudio.py record audio synchronized with camcorder -a @@ -49,10 +67,14 @@ video.py player for movies recorded by camcorder.py soundfile default is none (no sound) skipbytes byte offset in soundfile where sound starts +Vplay.py same but using VFile.py + vinfo.py print summary of movie file(s) usage: vinfo [-d] moviefile ... -d print delta times (default: print abs times) +Vinfo.py same but using VFile.py + vpregs.py definition of VP registers vtime.py virtual time module imported by syncaudio.py and camcorder.py |