2010/6/21 Rolf Ernst <rolf.ernst at silverlightning.org>: > I am trying to use mencoder in my little GUI to create VP8 encoded filtes. > From what I see that support is not natively working (yet?). Anyhow, there > are patches but I don't seem to be able to apply come of them. Decoder > support appears to be there. > > So I am trying to pipe the output into ivfenc via something like this (this > is Nic's modified version accepting pipes). > > mencoder -dvd-device "D:\ElephantsDream\VIDEO_TS" dvd://1 -ovc raw -noskip > -vc mpeg12 -vf scale,format=i420 -forcedsubsonly -nosound -mc 0 -lavdopts > threads=8 -really-quiet -fps 25 -aspect 1.7775:1 -of rawvideo -o - \ > | ivfenc --passes=1 --pass=1 --target-bitrate=1500 --width=720 --height=576 > --timebase=1/25 --i420 - "D:\Encoding Temp\Title_1_1-8.vp8" > > Ivfenc complains that the output is not in Y4M format. I have to claim utter > ignorance here but I am told that -of rawvideo does not produce a y4m > skeleton whatever that is. > > Do you know how to talk it into this? I'm not sure this can help you with what you want to do, but have you tried something like this?: $ mkfifo -m 660 stream_fifo.yuv $ mplayer -vo yuv4mpeg:file=stream_fifo.yuv -nosound -benchmark <inputfile> and now, on a second terminal: $ ivfenc <options> stream_fifo.yuv outfile.vp8 Regards, Giorgio Vazzana
