> Hey, got an idea for you. Try > > ffmpeg -loop_input -i 800x600.jpg -an -s 1288x360 -vf > 'movie=rtsp\\://192.168.20.112\\:551/channel1,select='gte(t\,1)',scale=640:352[wm]; > movie=rtsp\\://192.168.20.111\\:551/channel1,scale=640:352[wm2]; > [in][wm] overlay=2:4[in+wm]; > [in+wm][wm2] overlay=646:4 [out]' > -s 1288x360 -vcodec rawvideo /home/fifo/mpegpipe99.yuv > > This should skip first second of video from first source. Amount of > time can be adjusted (second operand in gte( ). > I can't test it, so i'm looking forward for your results. > -- > Andrey Utkin > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > Hi Andrey,
no joy I'm afraid. it just makes both streams break up and jitter. I assume its because of the RTSP codec and timestamps not being the most accurate. I am keen for advice on constructing the filter you mentioned, are there any tutorials? Also a bit of a NooB Q. but is there a way to update/change parameters once the cmd has been started? In particular if we can get this delay fixed, I am assuming some form of drift over a 60+ period and we would need to dynamically adjust this over time. Thx for the idea and help Art. _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
