How to use VAAPI + appsink with zero copy / mmap ?

Victor Jaquez vjaquez at igalia.com
Wed Oct 10 14:57:18 UTC 2018


Using memory:VASurface you can map it as a normal gst video frame:
gst_video_frame_map

Intel driver allocates the dmabuf without reading permission, if I recall
correctly. So, if you want to use dmabuf, you should import it as EGLImage,
as glupload does.

vmjl



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