[MPlayer-dev-eng] [PATCH] shared memory stream - part 1

[Ötvös Attila]

Hi all!

part-1: configure, shared memory stream and implement -ors options.
part-2: shared memory export, import filter
part-3: documents

This patch implement shared video frames between more programs (mplayer or 
mencoder) with shared memory special stream (similar TV stream).
Mplayer or mencoder can export read TV or raw video with -ors (out raw stream) 
option:

mplayer tv:// -ors smem://1000 [options]
mencoder tv:// -ors smem://1001 [options]

Mplayer or mencoder can read 1 shared memory stream:

mplayer smem://1000
mencoder smem://1000

or more shared memory stream. Example shared screen to CCTV:

mencoder tv:// -tv device=/dev/video0 -ors smem://1000 [options]
mencoder tv:// -tv device=/dev/video1 -ors smem://1001 [options]
mencoder tv:// -tv device=/dev/video2 -ors smem://1002 [options]
mencoder tv:// -tv device=/dev/video3 -ors smem://1003 [options]
mplayer smem://1000,1001,1002,1003 -vf tile=2:2

Some old screen shot:
http://onebithq.com/root/mplayer/cctv

Best regards.
Attila
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