On Tue, 11 Feb 2003, Selva Nair wrote: > On Tue, 11 Feb 2003, CAULIER Gilles wrote: > > I want make a preview frame for some MPEG files in a KDE application. > > There is some issue to extract to a JPEG file just one frame from MPEG file ? > > try mpeg -> yuv -> ppm using mpeg2dec and y4mtoppm. To give you > an idea > > mpeg2dec -s -o YUV movie.mpg | y4mtoppm -L | cjpeg > frame0.jpg > > will extract the first frame, in principle[*]. To get an arbitrary > frame, you either need to extract the frame from the yuv stream before > feeding to y4mtoppm or pipe the output y4mtoppm through pnmsplit and > select the required frame.
Or you could do: mplayer -vo png -frames 1 movie.mpg to save the first frame as a png, or mplayer -vo png -ss 60 -frames 10 movie.png to seek 60 seconds into the movie, then dump 10 frames as png images. -- Robert Kesterson [EMAIL PROTECTED] ------------------------------------------------------- This SF.NET email is sponsored by: SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! http://www.vasoftware.com _______________________________________________ Mjpeg-users mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/mjpeg-users
