[MPlayer-dev-eng] [PATCH] shared memory stream - part 2

[Ötvös Attila]

Hi All!

This patch implement export and import shared memory filter.
Export filter can modify format of video frame, scale and osd render (similar 
expand filter). Examples:

mplayer dvd:// -vf smmeout=1000:RGB24:320:200:1
1000 - shared memory id
RGB24 - format of video frame
320 - width
200 - height
1 - enable osd render (only export frames)

Example preview to mencoder:
mencoder dvd:// -vf smemout=1000 [options]
mplayer smem://1000

Import filter implement insert video frames from shared memory stream similar 
bmovl filter. Import filter can modify size and set insert positions. 
Examples:

Play movie and view tv screen-on-screen:

mplayer tv:// -vo null -nosound -vf smemout=1000 [options]
mplayer some.avi -vf smemin=1000:0:0:320:200 [options]
1000 - shared memory id
0:0 - x,y: top left corner
320:200 - w,h insert video frame size

Best regards.
Attila
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