[MPlayer-dev-eng] Patch: vo_shm - simple embedding vo
Attila Kinali
kinali at gmx.net
Thu Oct 9 19:05:08 CEST 2003
On Mon, 08 Sep 2003 16:02:08 +0200
Flemming Frandsen <ff at partyticket.net> wrote:
> I have a project where I want to play a movie as a texture in OpenGL in
> realtime, so naturally I turned to MPlayer, I copy+pasted from vo_tga
> and created a video out plugin that outputs frames to shared memory.
>
> It doesn't use any locking, so it should be low-overhead for both
> mplayer and the consumer, but that also means that the consumer must
> have it's own framerate (which my opengl application does have).
>
> It works by having the consumer set up a shared memory segment that
> holds the shmids of two frame buffers, vo_shm writes to the framebuffer
> with the lowest frame number and the consumer reads from the framebuffer
> with the higest frame number, that way they don't step on eachothers toes.
>
> I've tested it and it works quite nicely, so here is the patch if you'd
> like to include it: http://dion.swamp.dk/dl/mplayer-1.0pre1-shm1.diff.gz
Any comments on this patch ?
Alex ?
Attila Kinali
--
egp ist vergleichbar mit einem ikea bausatz fuer flugzeugtraeger
-- reeler in +kaosu
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