Only the last frame of a super frame should be displayed by default. When
converting from super frame to frame, mark all frames as decode only except the
last one. This fixes vp90-2-22-svc_1280x720_3.ivf conformance test with
stateless decoders such as VA.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8944>
H.264 base class oriented for hardware accelerated encoders, such as Vulkan, VA
and others.
1. It can be parametrized for hardware limits, such as lists size, b-frames
supports, etc.
2. It produces a GOP structure map [IDR, R/I/B, ...)
3. It proposes parameters set and other strucures such as bitrate limites.
Subclases can modify those structures.
4. It calls the subclass encode virtual method implementation.
It doesn't handle rate control algorithms or other encoding quality mechanisms.
For a deeper introduction to the class there was a lighting talk in the GstConf
2024: <https://www.youtube.com/watch?v=-fQY54KHH38>
Co-authored-by: He Junyan <junyan.he@intel.com>
Co-authored-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Co-authored-by: Stéphane Cerveau <scerveau@igalia.com>
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7197>
... and merge wasapi2{capture,render}deviceprovider into single
wasapi2deviceprovider since we can enumerate input/output audio
devices at once using IMMDeviceEnumerator
This is a preparation for complete porting to Win32 API
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9307>
Install properties at the given offset as intended instead of at 0.
Currently there are no elements with any properties, so this has no
effect. This change is needed if any element adds properties in the
future.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9179>
This is for cases where:
* We *do* want to refer to the PCR stream to figure out global positioning, gap
detection, wrapover correction.
* But we do not want to apply any skew correction to the output
This is useful for cases where:
* the input stream has already been clock-corrected (for example with
mpegtslivesrc)
* or where the output doesn't require synchronization against a clock (ex: for
storage)
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9301>
- Add case where we have element in subset that are equal to element in
superset. In this case subset is still a subset if at least one element is a
subset of the corresponding element in superset.
- clarify gst_value_is_subset inline documentation
- Add helper VALUE_TYPE_SINGLETON (type) to identify GType that represent a
value that is not a collection.
- Fixed issue in gst_value_is_subset_array_array (<1, 2, 3>, <0, 1, 4, 2, 3>)
would have returned TRUE because because the alignment of the subset could be
done multiple times. Now once alignment of set as been done once, everything
else in the superset need to be a subset of corresponding element without
interuption. is_subset (<1, 2, 3>, <0, 1, 2, 3>) => TRUE, but is_subset (<1,
2, 3>, <0, 1, 4, 2, 3>) => FALSE.
- If both array are fixed value and we perform a is_subset on them, both value
can't be equal to be considered subset. (For consistency with other fixed
values)
- Define gst_value_subtract (singleton, array) and
gst_value_subtract (array, singleton), to allow a gst_value_is_subset
(singleton, array) and gst_value_is_subset (array, singleton). General
case of gst_value_is_subset (v1, v2) use gst_value_subtract (v1, v2) and
gst_value_subtract (v2, v1) to evaluate _is_subset(), therefore we need these
for is_subset() operation that involve singleton and array.
Note gst_value_subtract (array, array) is not implemented but this case is not
require by gst_value_is_subset () and as it has a direct handling. Warned if
the case is used.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9220>
When doing direct dmabuf upload, we rely on the GL stack for doing the color
transformation. The caps we transform from GL to DMABuf are always with a format
of RGBA. Instead of listing all GstVideoFormat and translating them back into
DRM formats, simply list all supported DRM format for the context.
This enable rendering DRM formats that don't have an shader based emulation
implemented such as NV15.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9306>
The transformation was fuzzy, adding random modifiers to the list. Use the newly
introduce helpers from 1.26 to precisely convert GStreamer formats to a DRM
fourcc and modifier pair and vice-versa.
This fixes support for formats that have a GstVideoFormat value and requires a
modifier.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9306>
It is not possible to do frame cropping when DMABuf caps feature is negotiated.
The VideoInfo size is zero, resulting in empty destination buffers, and video
convert library may not understand what the format actually is.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9305>
If the conformance window does not requires cropping the top or left of the
window, we can use GstVideoMeta to crop in a zero-copy fashion. If a copy
is needed, the frame copy can also handle it, and is a lot faster.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9305>
