On Mon, 2010-11-08 at 20:48 -0800, John Q wrote: > ________________________________ > From: Janez Zemva <janez...@gmail.com> > To: Libav* user questions and discussions <libav-user@mplayerhq.hu> > Sent: Monday, November 8, 2010 11:41:16 > Subject: Re: [libav-user] opengl images to mp4 > 2010/11/7 John Q <john_...@yahoo.com>: > > > I am looking for examples or projects which use ffmpeg libraries to > > > convert > > > OpenGL images of a 3D scene read from a frame buffer are converted to mp4 > > > (avi > > > or other formats are also ok). I am talking of raw pixel data being > > > converted > > >to > > > video format. Is this possible? Are there any examples which do that? > > > > > > Appreciate any help. Thanks in advance. > > > > > > > Afaik, you need to render to texture (google for this) and then use > > ffmpeg for encoding the textures into a file. I think there's a sample > > on how to do this. But probably you'll be better off doing this in a > > modeling program. > > > Let me explain. The opengl images are part of a dynamic (moving) 3D scene and > are being continuously generated. Is there an example/tutorial or sample code > which shows such images being continuously converted to video (mp4 or avi). > The > idea is to then stream the video continuously. Appreciate any help.
You need to somehow get said images into the same address space as libav* - typically by copying them over the bus to RAM. If you already have that (say, being able to write them to disk) then look at libavformat/output-example.c. /Tomas
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