[MPlayer-users] feature request - decode video but don't render to a window

[Kevin DeKorte]

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Chuck Crisler wrote:
> An app that I am working on needs to render video itself so that it can
> render the controls on top of the video. It is designed to control the
> video itself.p[-000000 I am working with the -vo x11 option to use
> shared memory, hoping to get the video images transferred via a memory
> region. Since that option writes video images (XImages) to shared
> memory, it seems to me that mplayer, in this case, doesn't need to (or
> shouldn't) render to a window, yet it does. The source file vo_x11.c,
> line 374 calls vo_x11_create_vo_window(), which creates a window
> (surprise). That window is used to render video.
> 
> Why?
> 
> It would be useful to me to have a way to specify options so that it did
> not create or use a display window (unless that capability already
> exists and I missed it). I am also concerned that my app (in a separate
> address space) may not be able to access that SMR since it is created
> with the IPC_PRIVATE flag. In this case, it seems that the SMR should be
> created to be shared, perhaps with a name? I am willing to do the work
> but will need a bit of guidance since I am new to mplayer. I am not new
> to programming but am somewhat new to Linux (~6 months).
> 
> Thank you,
> Chuck Crisler

Chuck,

Do you really need to do your own processing or do you just need the
output to go to some window? If so take a look at the -wid option and
then look at programs like gnome-mplayer and smplayer that put a gui
around the mplayer command line tool.

Kevin

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