vlc + pipe

[nico92]

Hello,

I'm looking for a way to redirect VLC video output to a program (mencoder in this case) rather than displaying the frames. If no such thing is directly possible with vlc, is there any setup that can do the job? (for example: vlc http/rtp streaming --> (intermediate tool) read the frames from local port --> feed output to mencoder)
Thanks in advance.

[Rémi Denis-Courmont]

Set the VLC streamout output to write to a file in an appropriate format, and give a FIFO (or a Pseudo-terminal) as the path. Do the opposite on mencoder.

[nico92]

Works like a charm.
Merci

[revolunet]

could you post an example on how you do this please ?

[nico92]

I used a named pipe:

$ mkfifo pipe

vlc streams to the pipe while mencoder reads from the pipe:

$ vlc --sout "#std{access=file,mux=ts,dst=pipe}" example.mpg & mencoder -ovc raw -vf format=rgb24 -of rawvideo -o example.raw pipe

[revolunet]

thanx dude

[Jean-Baptiste Kempf]

Why can't VLC stream output to RGB24 ?

[nico92]

Why can't VLC stream output to RGB24 ?

Has anyone got an answer to this question? The pixel format doesn't really matter in my case (could be rgb/bgr/yuv) but can VLC transcode a video stream into raw (uncompressed) frames? Which would allow me to get rid of mencoder once and for all.
In the documentation (http://www.videolan.org/streaming/features.html) I see no raw output formats for video transcoding.
Thanks again

[mb508]

oh! I have the same question! I need to obtain YUV video frames from stream and pipe them in other program.