The parent context shares some resources with child context, so the
child context should be destroyed first, otherwise the command below
will trigger a segmentation fault
$> gst-launch-1.0 videotestsrc num-buffers=100 ! msdkh264enc ! \
msdkh264dec ! fakesink videotestsrc num-buffers=50 ! \
msdkh264enc ! msdkh264dec ! fakesink
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2435>
Current implementation for translating native coordinate and
video coordinate is very wrong because d3d11videosink doesn't
understand native HWND's coordinate. That should be handled
by GstD3D11Window implementation as an enhancement.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2450>
Inspired by an MR https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2382
The idea is that we can make use of MoveWindow() in WIN32 d3d11window
implementation safely because WIN32 d3d11window implementation creates
internal HWND even when external HWND is set and then subclassing is used to
draw on internal HWND in any case. So the coordinates passed to MoveWindow()
will be relative to parent HWND, and it meets well to the concept of
set_render_rectangle().
On MoveWindow() event, WM_SIZE event will be generated by OS and then
GstD3D11WindowWin32 implementation will update render area including swapchain
correspondingly, as if it's normal window move/resize case.
But in case of UWP (CoreWindow or SwapChainPanel), we need more research to
meet expected behavior of set_render_rectangle()
Fixes: https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/issues/1416
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2450>
By this new property, user can select physical port to connect,
and element will pick requested port instead of random ones.
User should provide full port name including "client_name:" prefix.
An example is
jackaudiosrc port-names="system:capture_1,system:capture_3" ! ...
jackaudiosink port-names="system:playback_2"
In addition to "port-names" property, a new connect type "explicit"
is added so that element can post error message if requested
"port-names" contains invalid port(s).
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/1037>
Enhance open gop detection to drop B-frame which are invalid
before the first reference frame.
In stream such
gst-integration-testsuites/medias/defaults/mxf/op2b-mpeg2-wave_hd.mxf,
the two first frames must be dropped as we detect an open GOP situation
but in another media, such as http://col.la/1920X1080IXDCAMEX5MIN, the
first frames should not be dropped as we are in a closed GOP situation.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-ugly/-/merge_requests/84>
The relevant CI log
dyld: Library not loaded: /Users/gst-ci/builds/gstreamer/cerbero/cerbero-build/dist/darwin_universal/x86_64/lib/liborc-0.4.0.dylib
Referenced from: /Users/gst-ci/builds/xhaakon/gstreamer-sharp/cerbero-build/dist/darwin_universal/x86_64/bin/orcc
Reason: image not found
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-ci/-/merge_requests/410>
Default timer precision of Windows is dependent on system, but
usually it's known to be about 15ms in worst case.
That's not an enough precision for multimedia application.
Enable high-resolution clock in gst-launch to demonstrate
the usage of Windows high-precision clock for application developers.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/817>
We need to consider the first field of the last picture when the
last picture can not enter the DPB.
Another change is, when prev field's frame_num is not equal to the
current field's frame_num, we should also return FASLE because it
is also a case of losing some field.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2430>
For interlaced streams, it is also possible that the last frame is
not able to be inserted into DPB when the DPB is full and the last
frame is a non ref. For this case, we need to hold a extra ref for
the first field of the last frame and wait for the complete frame
with both top and bottom fields. For the progressive stream, the
behaviour is unchanged.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2430>
E.g. a pipeline like qmlglsrc ! gldownload ! ... would currently fail to
run because the OpenGL context are not created in the correct order.
The QtWindow also needs to know the OpenGL context used by downstream
elements in order to set optimize for the correct GstGLSyncMeta for
synchonisation purposes.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/1036>
