[vlc-devel] Re: vout_Create (again)
sigmunau at stud.ntnu.no
Mon Mar 1 23:58:07 CET 2004
I think I answered you briefly on the vlc list once, but I'll try again.
Also note that this is how I would have done this, and it may not me the
only good way to go.
1: create two config options "video-x" and "video-y" by add_integer at the
right place in src/libvlc.h
2: modify the vout you will use to read the value of "video-x" and "video-y"
using var_Create( p_vout, "video-x", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
followed by var_Get( p_vout, "video-x", &val ); And use this value as the
position when creating the video window.
At this point you should be able to place the video window by running vlc
--video-x 100 --video-y 200 etc
3: modify wall.c to do the same var_Create, and the use var_Set to set the
wanted coordinates before each vout_Create call.
Alternativly you could alter the vout module to listen for changes in it's
"video-x" and "video-y" using var_AddCallback() and use var_Set on the
created vout's "video-x" and "video-y" variables imidiately after the call
Try fiddling with this, and if there is something particular you don't
understand, please ask again (with a more precise question).
PS point 1 and 2 is of general interrest and could be used for many things,
I would be happy to see a patch implementing those.
On Mon, Mar 01, 2004 at 05:27:06PM -0500, Andreas Schiffler wrote:
> Didn't get any reply from my previous post - still stuck, so here we go
> Background: I am trying to implement absolute window positioning and
> sizing for the "wall" filter.
> What needs to be set for the new vout window is: top-left x,y. The
> current wall.c code just sets an alignment flag. Some sample code for a
> vout_Create with absolute positioning would be excellent. Or maybe more
> documentation than what is on the net about vout_Create.
> Best regards
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