Commit graph

3 commits

Author SHA1 Message Date
Seungha Yang
e0a9a73adf d3d11screencapturesrc: Fix crash when d3d11 device is different from owned one
GstD3D11ScreenCapture object is pipeline-independent global object
and the object can be shared by multiple src elements,
in order to overcome a limitation of DXGI Desktop Duplication API.
Note that the API allows only single capture session in a process for
a monitor.

Therefore GstD3D11ScreenCapture object must be able to handle a case
where a src element holds different GstD3D11Device object. Which can
happen when GstD3D11Device context is not shared by pipelines.

What's changed:
* Allocates capture texture with D3D11_RESOURCE_MISC_SHARED for the
  texture to be able to copied into other device's texture
* Holds additional shader objects per src element and use it when drawing
  mouse

Fixes: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1197
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2366>
2022-05-05 18:18:57 +00:00
Jakub Adam
df55700f44 d3d11screencapturesrc: Allow capturing screen sub-area
Adds crop-x, crop-y, crop-width, crop-height properties specifying the
screen area to capture.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1932>
2022-03-18 13:56:51 +01:00
Seungha Yang
b3710aa68d d3d11: Rename screen capture element
Old name "desktopdup" may confuse users. Now it's renamed to
"screencapture"

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1136>
2021-10-14 15:15:56 +00:00