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============================================================================== soft2omf Installation / Usage notes ============================================================================== Contact: Chris Trimble <firstname.lastname@example.org> or Nick Kisseberth <email@example.com> Beckman Institute Visualization Facility 405 N. Mathews, MC-251 Urbana, IL 61801 Distribution: ftp://delphi.beckman.uiuc.edu/pub/vizlab/soft2omf.tar.gz Softimage Resources Page: http://delphi.beckman.uiuc.edu/softimage/ Introduction ------------ For those of you with Avid systems, I hope this turns out to be a useful program. The OMF format was invented by Avid in order to store the audio and video data in a standardized format for transfer between programs and platforms. As it turns out, this provides a great way to get rendered frames directly into your Avid Media/Film Composer. The soft2omf utility allows you to take advantage of OMF. soft2omf will precompress your sequences of rendered frames into the format that your Avid system likes, and you can then incorporate the sequences into the editor without ever having gone to a video signal. This was built with DKit v1.1 for CE v2.65 and the OMFToolkit v1.3b3 under IRIX 5.2. I don't claim that this works on anything but that setup. I do believe it should work for any v2.65 <= CE <= v3.0. Installation ------------ The installation should be very straightforward, given that your Creative Environment is installed in a semi-reasonable fashion. The binary that's included is built for IRIX 5.x. If you do a "make install" in the soft2omf directory, these files and directory will be copied into these places: soft2omf --> $SI_LOCATION/Creative/custom/bin To build the utility from scratch, you have to have the Softimage DKit as well as the OMFToolkit. The DKit is available from Softimage, and the OMFToolkit is available from Avid. Usage ----- * From the command line It's much like the soft2* utilities that SOFTIMAGE includes. You can type soft2omf -h for the specific flags and such. When you transfer the resulting OMF file to the Avid system, you have to use a program like FileTyper to change the Macintosh file type to "OMFI". Otherwise, the Media Composer will not see the OMF file in the directory when you try to import it into a bin. When you render, you should render at 640x248 per FIELD. There is only one field of data for Avid Video Resolutions AVR5e and AVR6e; there are two fields for AVR25 and AVR26 (default). When you Import the OMF file into the Avid, you have to have your "Compression" panel set to the SAME COMPRESSION that soft2omf used to generate the OMF file. Otherwise, your Avid will decompress and recompress every frame... and that's slow. * From the CE Unfortunately, the soft2omf utility CANNOT be run as a post-frame script. This is due to the design of the OMFToolkit, and I have made this problem clear to the OMFToolkit developers at Avid. The problem is that a frame cannot be tacked on to an existing media unless it is to be considered part of a different "clip" of video, or image data. The only way to get around this was to have soft2omf start up the SOFTIMAGE renderer for every separate frame, and I think we all know how slow that would be. History ------- Beta 1 Release: 12/30/94 Legal ----- Copyright (c) 1994, University of Illinois Board of Trustees. This software, including the source code, is free for the public to use and modify and redistribute. However, the University of Illinois copyright and the author's name must appear on any derivative software. No guarantees of any kind are made with this software. Neither the author nor the University of Illinois accept any responsibility for loss of data, inaccuracies, or anything else that can get me fired.