The pads can be NULL when we're racing with pad removal, e.g. when the
pads get removed between `gst_pad_iterate_internal_links` acquiring the
parent element and `gst_multi_queue_iterate_internal_links` locking the
multiqueue.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/810>
The name `gst_element_get_request_pad()` is confusing to people
learning GStreamer. `gst_element_request_pad_simple()` aims at
providing the exact same functionality, while making it more
explicit it is a simplified `gst_element_request_pad()`.
`gst_element_request_pad_simple()` is consistent with other
functions such as `gst_element_seek_simple`.
This commit deprecates `gst_element_get_request_pad()` so that a
compilation warning is emitted when used and incite developers
to use the more explicit `gst_element_request_pad_simple()`.
See also https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/743#note_886586
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/802>
Protect clearing probes against concurrent modification which might happen
due to dispose does NOT guarantee that the object is not used anymore, as
it could be referenced again and so being continued used.
So, as in the rest of places where probes hook list is used, on dispose
it should be accessed holding the mutex "GST_OBJECT_LOCK (pad);" as
GHookList is not thread-safe.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/798>
When posting buffering messages there are no safe places or timing to avoid
deadlocks.
Previously the code was trying to be "smart" by only forwarding serialized
queries if the queue was empty ... but that could happen when queue2 hadn't yet
posted a 100% buffering message. Meaning the pipeline might be paused and
pushing a serialized query downstream might never complete.
Therefore let's completely disable forwarding of serialized queries when
`queue2` is used as a buffering element (meaning `ALLOCATION` and `DRAIN`
queries).
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/796>
The peeked buffer was always reset after calling ::aggregate() but under
no other circumstances. If a pad was removed after peeking and before
::aggregate() returned then the peeked buffer would be leaked.
This can easily happen if pads are removed from the aggregator from a
pad probe downstream of the source pad but still in the source pad's
streaming thread.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/784>
Add a new property so that clocksync can setup "ts-offset" value
based on the first buffer and pipeline's running time when the
first arrived. Newly update "ts-offset" in this case would be
a value that allows outputting the first buffer without clock waiting.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/702>
The ret test is unrelevant and confusing.
We dont want the code to fail and the register
to succeed by example.
In the case of a conditional element_init,
the element should be defined with
GST_ELEMENT_REGISTER_DEFINE_CUSTOM instead
of GST_ELEMENT_REGISTER_DEFINE_WITH_CODE.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/768>
* Document virtual methods in standalone comments, in order to properly
annotate them
* Don't repeat what annotations are stating with respect to ownership
transfer, nullability
* Mark GstControlBinding ABI field as private
* Misc cleanup / typo fixes / addition of links
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/758>
* Don't mention explicitly that API is MT safe, this implies that
other API is not. GStreamer API is assumed to be MT safe, thread
safety should only be explicitly mentioned when API is *not* MT safe
* Don't repeat what annotations are stating with respect to ownership
transfer, nullability
* Document virtual methods in standalone comments, so that parameters
can be documented. This is not critical here, as parameters do not
need annotations / specific documentation, but serves as an up to
date example
* Document enumeration members in standalone comments, so that their
Since tag is accounted for by gobject-introspection
* Misc cleanup / typo fixes / addition of links
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/756>
* Don't mention explicitly that API is MT safe, this implies that
other API is not. GStreamer API is assumed to be MT safe, thread
safety should only be explicitly mentioned when API is *not* MT safe
* Document virtual methods in standalone comments, in order to properly
annotate them
* Don't repeat what annotations are stating with respect to ownership
transfer, nullability
* Misc cleanup / typo fixes / addition of links
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/755>
* Don't repeat what annotations are stating with respect to ownership
transfer, nullability
* Reword the warnings for caps nestability in light of the 1.20
improvements
* Misc cleanup / typo fixes / addition of links
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/754>
Change the way the marshalled flag in the internal ProbeMarshall state
is handled when iterating over pad probes so that it only counts
probes that still exist and would be called when retrying.
This improves the way that removing a blocking probe works when
there are multiple blocking probes for different conditions (data vs
events for example).
As a side-effect, probes aren't put into the the called_probes array
unless they actually match the current probe type and would be called,
potentially reducing the number of hooks that get stored in the
called_probes array, and the cost of the looping check on retries.
Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/658
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/749>
* Don't mention explicitly that API is MT safe, this implies that
other API is not. GStreamer API is assumed to be MT safe, thread
safety should only be explicitly mentioned when API is *not* MT safe
* Don't repeat what annotations are stating with respect to ownership
transfer, nullability
* Document virtual methods and the class structure
* Misc cleanup / typo fixes / addition of links
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/753>
* Don't repeat what annotations are stating with respect to ownership
transfer, nullability
* Document virtual methods in standalone comments, so that parameters
can be documented. This is functionally useful here, as parameters
require annotations, and should make the class more usable by
bindings.
* Misc cleanup / typo fixes / addition of links
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/752>
* Don't mention explicitly that API is MT safe, this implies that
other API is not. GStreamer API is assumed to be MT safe, thread
safety should only be explicitly mentioned when API is *not* MT safe
* Don't repeat what annotations are stating with respect to ownership
transfer, nullability
* Document enumeration members in standalone comments, so that their
Since tag is accounted for by gobject-introspection
* Misc cleanup / typo fixes / addition of links
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/748>
