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11 commits

Author SHA1 Message Date
Seungha Yang
e8666a7f94 examples: d3d11videosink: Add present signal example 
Add an example to show the usage of present singal.
In this example, a text overlay with alpha blended background
will be rendered on swapchain's backbuffer by using
Direct3D11, Direct2D, and DirectWrite APIs.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2923>
 2022-08-24 17:44:49 +00:00
Seungha Yang
66d504ee58 d3d11: Don't find global default allocator 
We were using global default allocator already. Pass null
allocator object to *_alloc() methods then the method will
use default allocator.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2843>
 2022-08-06 23:55:18 +09:00
Seungha Yang
aa0b7f3284 examples: d3d11: Add GstD3D11Converter example 
An example to demonstrate color space conversion, rescale and flip/rotation
using GstD3D11Converter

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2767>
 2022-07-22 00:27:24 +09:00
Seungha Yang
347ad181be d3d11memory: Update alloc_wrapped() API to avoid staging texture alloc 
Add size parameter and use it for CPU accessible memory size
instead of allocating staging texture per API call.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2713>
 2022-07-04 18:46:51 +00:00
Seungha Yang
260114fa1b examples: Add an example for application texture sharing 
This example shows GstD3D11BufferPool usage and a way of
D3D11 texture sharing between application and GStreamer via appsrc.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2646>
 2022-06-27 19:33:57 +00:00
Seungha Yang
dbed379f09 examples: Add d3d11decoder zero-copy rendering example 
This example code demonstrates D3D11 device sharing between
application and GStreamer. Application can access texture
using appsink and it can be rendered on application's window without
any copy operation.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2646>
 2022-06-27 19:33:57 +00:00
Seungha Yang
aa835f5e64 tests: examples: Stop duplicating keyboard interaction handler code 
Extract the code from QSV and use it for D3D11 and NVCODEC examples

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2468>
 2022-05-26 18:52:35 +00:00
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
Xavier Claessens
924574a608 d3d11: Fix example build error 
```
../subprojects/gst-plugins-bad/tests/examples/d3d11/d3d11device.cpp:129:50: error: invalid conversion from ‘int’ to ‘DXGI_FORMAT’ [-fpermissive]
  129 |     D3D11_SHADER_RESOURCE_VIEW_DESC srv_desc = { 0, };
```

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2029>
 2022-03-25 19:40:53 +00:00
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
Seungha Yang
1bf237e767 examples: d3d11: Add a desktop capture example 
... with d3d11 desktop capture device provider

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1103>
 2021-10-11 15:21:26 +00:00