On date Thursday 2010-03-11 14:21:24 -0500, Ke Yu encoded: > Hi! > > I've got avframes from two udp multicast video streams. I would like to > scale every avframe into half (only x coordinate, e.g., > 640x480->320x480) and stitch the two scaled avframes into one avframe with > original size (e.g., 640x480). After that, I'll encode the generated > avframes into one output video stream. My input video streams have the same > encoding context. The frame rate is 30 fps. So I have about 33ms to finish > the scaling and stitching. The performance is critical. I plan to use > sws_scale to scale the avframe but don't know how to stitch two scaled > avframes together. I prefer not to use a third party image lib. > > Can anyone help me to figure that out?
Try with libavfilter+overlay, integration into main SVN pending. Regards. _______________________________________________ libav-user mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/libav-user
