waylandsink: handling y-flipped dmabuf
Submitted by Shinya Saito
Created attachment 347525
add y-flip flag for dmabuf
By default, waylandsink does not set the y-flip flag on wl_buffers backed by dmabufs. Depending on the dmabuf source, this can cause the image to be displayed upside down.
In the patch, a y-flip property is added to waylandsink, but I don't know if this is the best way. Maybe the Gstbuffer should hold the information of y-flip, but I
am not sure.
Patch 347525, "add y-flip flag for dmabuf":