MOVIE MPEG : Then assemble those into an animation. A program like Viscosity() can easily create an animation (AVI) from a series ofbitmaps.Hi,As the animation is rendered, save each frame to a seperate image file andwhen all frames are rendered use something (bmp2avi, for example) to gluethe images together into an .avi file. it is possible to create an avifile directly using the AVIFile library, but in this case it's probablynot worth it. (I could never get this lib to work :( )Hope this helps!Quin[...] > I would like to produce a "movie"[...] > like .avi ...I do the same thing and I've written a "Window dump" routine, youcalled it from keystrokes or on each refresh and it dumps an imageto disk. You then use a third party program to convert and/or stick the frames together. I use Mac tools but there are lots of such thingson all platforms. Let me know if you want the code to dump images. MOVIE MPEG : ---------------------------- ----------------------------------P a u l B o u r k e Astrophysics and Supercomputing Mail number 31 Swinburne University of TechnologyPhone: 61 3 9214 8624 PO Box 218 HawthornFax: 61 3 9819 0856 Victoria 3122, AustraliaLook up "motion-Jpeg" (not MPEG). Since many 3D engines can generateJPEG screen shots its is an easy way to create movies. Then things likePremeir can read them in and write them out with whatever codec youwant.Then get one of the DV cam corders with a firewire interface and writethe frames out to it. Use the cam corder to generate video that yourecord on a regular VHS deck and you are done.Thanks to everyone for their help. I am working on how to dump eachframe to an image file. I think I am goiing to work first at writingeach frame of my simulation as a TIFF or .bmp type files because I havefound out that we have a program that will transform a sequence ofthese to quicktime or AVI. (If that doesn't work or if I havediskspace problems, I'll move on to motion jpeg as suggested.) MOVIE MPEG : It would be wonderfull if someone could send me C/C++ code already thatcopies from a screen buffer to an array or image format file.This snippet of code, should in theory, create an off screenrendering context, and then write that out to a file.I havne't checked the code (ripped from an old prog)but it should work ok. You can replace the top half (upuntill the call to the imaginary DrawScene() function, withyour own rendering code. The rest should just write it out toa standard window BMP file.I think I was using a bitmap, because I also tried rendering tothe bitmap, and using GetBitmapBits to read back the inforather than glReadPixels. That works as well.Easiest thing to do would probably just be to find a video card with TV displaycpabilities (As you are planning on going to VHS, this shouldn't be aproblem?!) Then, hit record on the VCR while the simulation is running...------------------------------ just curious, as alwaysplease remove .spammy. MOVIE MPEG : Hi, does anyone know how to convert MATLAB's movie to mpeg format?-- Feng WANG % Dept. of Applied Sciences in Medicine % University of Alberta % Ph: 402-471-2262 Ext. 2688, Edmonton, AB T6G 2G3, CANADA % Fax: 403-492-8259Save each frame as a gif. Use gif2yuv to convert each gif to three files(a .Y a .U and a .V). Use the mpeg coder to compress these files toan mpeg. You'll need lots of disc space and the mpeg programs. Cananyone remember the ftp site?________________________________________ ______________________________________Ri chard Harvey, Tel: +44 (603) 593257School of Information Systems, Fax: +44 (603) 507720University of East Anglia, Email: Norwich NR4 7TJ.mpeg_enocde is on mm-(or something like that path). But said machine is down until next weekas our department is moving. But otherwise it should work great.(Actually let me know when you've done it, I dont think we've seenany pure-generated output, would like to know how the encoder does!)-s MOVIE MPEG : You will know find on the Mathworks FTP server, inmatlab/contrib/graphics, two directories containing the source codefor 2 MEX files that will convert MATLAB movies to and from ISOstandard MPEG movies. We have built them for a small number ofplatforms; they should build for most others with an ANSI compiler-- an exercise left to the reader. :^) There are files ending in.doc to describe each function more fully. From their help entries:%MPGREAD Read an MPEG encoded movie file. % [M, map] = mpgread('filename', frames) reads the specifed% MPEG file and translates it into the movie M, and colormap map.% If a vector frames is specified, then only the frames specified% in this vector will be placed in M. Otherwise, all frames will% be placed in M.%% [R, G, B] = mpgread('filename, frames) will perform the same % operation as above, except that the decoded MPEG frames will% be placed into the matrices R, G, B, where R contains the red% component for each frame, G, the green component, and B, the% blue component.
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