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195 commits

Author SHA1 Message Date
Stefan Sauer a083391fb5 aggregator: review code related to time level 
Add a comment for when the state matters. Use a local var for priv in
update_time_level() to improve readability. Move the our_latency local
var below the query results checks.
 2017-12-02 15:10:27 +00:00
Stefan Sauer 23692ee688 aggregator: init latency values with 0 instead of FALSE 2017-12-02 15:10:27 +00:00
Stefan Sauer fb3c9f3808 aggregator: code cleanup for event and query func 
Only look up klass for non serialized events/queries. For events remove
superfluous assignment for the return value in the flushing case.
 2017-12-02 15:10:27 +00:00
Stefan Sauer 8776900cf7 aggregator: simplify pad_event_func for FLUSH_STOP events 
We want to skip serialization for FLUSH_STOP events (apparently). We can
simplify the code to add it to the top-level conditions. There was nothing
done in the first code path if the event was FLUSH_STOP.
 2017-12-02 15:10:27 +00:00
Stefan Sauer 5509920c27 aggregator: drop special casing for eos 
Just queue it like any other serialized event. This way we don't need to
check if there still are buffers in the queue.

Validated with the tests and gst-launch-1.0 pipelines.
 2017-12-02 15:10:27 +00:00
Stefan Sauer 113a2c508b aggregator: add a doc-blob for the event_func 2017-12-02 15:10:27 +00:00
Stefan Sauer 45cef5726f aggregator: rename a local variable 
The variable tracks wheter the queue is not empty, but num_buffers==0. That
means we have events or queries to process. Rename accordingly.
 2017-12-02 15:10:27 +00:00
Stefan Sauer 498cdd8fac aggregator: remove commented code 
The SEGMENT_DONE event does not require any special treatment. This is
commented out in 6efc106a67.
 2017-12-02 15:10:27 +00:00
Stefan Sauer 656a2616f2 aggregator: move the comment for the locks to the lock macros 
Looks like some code was inserted afterwards.
 2017-12-02 15:10:27 +00:00
Stefan Sauer 5a06c3d12b aggregator: improve section docs 
Mention how data ends up in the queues. Document the relation of the pad
functions and the class vmethods to get events and queries.
 2017-12-02 15:10:27 +00:00
Stefan Sauer 4808f4836c aggregator: cleanup event forwarding 
Don't copy the whole event struct. Set the input params when we call the
forwarding helper. Initialize the internal fields and return values in the
helper.
 2017-12-02 15:10:27 +00:00
Stefan Sauer a82e6bc650 aggregator: simplify src_event 
Avoid extra ref/unref, we have a ref and do_seek unrefs. Just return the result
as we have. This lets us remove the local var plus the label.
 2017-12-02 15:10:27 +00:00
Stefan Sauer 70d0945b35 aggregator: register func for do_events_and_queries 
This fixes logging the func ptr from _iterate_sinkpads().
 2017-12-02 15:10:27 +00:00
Stefan Sauer bedc9de46c aggregator: only set clipped_buffer to NULL if needed 2017-12-02 15:10:27 +00:00
Stefan Sauer 06d62ccb94 aggregator: rename check_events 
This function also handles queries. Update the code to loop until all events and
queuries are handled.
 2017-12-02 15:10:27 +00:00
Stefan Sauer 1869886a96 aggregator: add a few more comments to PadPrivate struct 2017-12-02 15:10:27 +00:00
Stefan Sauer 82bde3446d aggregator: rename buffers field to data 
The queue stores buffers, events and queries.
 2017-12-02 15:10:27 +00:00
Stefan Sauer caafb59af5 aggregator: documentaion fixes 
Fix typos and remove params docs, where the param was moved.
 2017-12-02 15:10:27 +00:00
Stefan Sauer 2cd988e763 aggregator: log all events 
We already log a few events explicitly, just log them all with more detail.
 2017-12-02 15:10:27 +00:00
Tim-Philipp Müller bb9f3d2be5 aggregator: fix header formatting 2017-12-02 15:10:27 +00:00
Sebastian Dröge 70b4395e95 aggregator: Remove the GAP event from the queue before queueing up the GAP buffer 
Otherwise check_events() will not remove the GAP event (as the queue
tail is not the event anymore but the GAP buffer), then the GAP buffer
is handled, then the GAP event is handled again, ... forever.
 2017-12-02 15:10:27 +00:00
Tim-Philipp Müller e018273183 aggregator: mark symbols explicitly for export with GST_EXPORT 2017-12-02 15:10:27 +00:00
Stefan Sauer 27708ff7c1 aggregator: remove duplicated code fragment 
This code already runs above when (event || query).
 2017-12-02 15:10:27 +00:00
Stefan Sauer b609fd7138 aggregator: code cleanups 
Fix comment typos, some copy'n'paste in logging. Add more doc comments.
 2017-12-02 15:10:27 +00:00
Mathieu Duponchelle 4f81aa8742 aggregator: Invalidate pad's tail position ... 
when dequeuing a segment event.

https://bugzilla.gnome.org/show_bug.cgi?id=784593
 2017-12-02 15:10:27 +00:00
Stefan Sauer 7b82eb546f aggregator: fix "'aggclass' may be used uninitialized in this function" 2017-12-02 15:10:27 +00:00
Olivier Crête 474acca0a8 aggregator: Process serialized queries through the queue 
This ensures that they really get processed in order with
buffers. Just waiting for the queue to be empty is sometimes not
enough as the buffers are dropped from the pad before the result is
pushed to the next element, sometimes resulting in surprising
re-ordering.
 2017-12-02 15:10:27 +00:00
Olivier Crête 0500807b55 aggregator: Set flow to FLUSHING on pad stop 
Fixes a rare race where the pad is being stopped while doing a query.
 2017-12-02 15:10:27 +00:00
Olivier Crête a001f6d587 aggregator: Request pad templates which are not request pad 
https://bugzilla.gnome.org/show_bug.cgi?id=782920
 2017-12-02 15:10:27 +00:00
Olivier Crête 6eda156b20 aggregator: Don't restrict sink pad names 
Sink pads could have other names than sink_%u

https://bugzilla.gnome.org/show_bug.cgi?id=782920
 2017-12-02 15:10:27 +00:00
Olivier Crête c4209ba5d1 aggregator: Implement propose allocation 
https://bugzilla.gnome.org/show_bug.cgi?id=782918
 2017-12-02 15:10:27 +00:00
Olivier Crête 87299b640a aggregator: Check for the result of caps events 
https://bugzilla.gnome.org/show_bug.cgi?id=782918
 2017-12-02 15:10:27 +00:00
Olivier Crête 0e973bc4fc aggregator: Caps event always goes to the aggregate thread 
So no need to check it here.

https://bugzilla.gnome.org/show_bug.cgi?id=782918
 2017-12-02 15:10:27 +00:00
Olivier Crête e76c35857d aggregator: Add downstream allocation query 
https://bugzilla.gnome.org/show_bug.cgi?id=746529
 2017-12-02 15:10:27 +00:00
Olivier Crête 838e01723f aggregator: Remove unused GST_FLOW_NOT_HANDLED 2017-12-02 15:10:27 +00:00
Matthew Waters f35b05a2f2 aggregator: add simple support for caps handling 
Modelled off the videoaggregator caps handling as that seems the most
mature aggregtor-using implementation that has caps handling there is.

https://bugzilla.gnome.org/show_bug.cgi?id=776931
 2017-12-02 15:10:27 +00:00
Nicolas Dufresne c54d253301 aggregator: Reset upstream latency on first buffer 
In the case an aggregator is created and pads are requested but only
linked later, we end up never updating the upstream latency.
This was because latency queries on pads that are not linked succeed,
so we never did a new query once a live source has been linked, so the
thread was never started.

https://bugzilla.gnome.org/show_bug.cgi?id=757548
 2017-12-02 15:10:27 +00:00
Olivier Crête 687ac8e4d5 aggregator: Always handle sync'ed events on output thread 
Having all synchronized events always be handled on the output
thread should make synchronization easier.

https://bugzilla.gnome.org/show_bug.cgi?id=781673
 2017-12-02 15:10:27 +00:00
Olivier Crête 2ce3234aa0 aggregator: Delay clipping to output thread 
This is required because the synchronized events like caps or segments
may only be processed on the output thread.

https://bugzilla.gnome.org/show_bug.cgi?id=781673
 2017-12-02 15:10:27 +00:00
Olivier Crête 5c2391a5e0 aggregator: Make pad eos as soon as all buffers are processed, dont way for events 
https://bugzilla.gnome.org/show_bug.cgi?id=781673
 2017-12-02 15:10:27 +00:00
Olivier Crête 744440ecf0 aggregator: Only count buffers when declaring queue full 
https://bugzilla.gnome.org/show_bug.cgi?id=781673
 2017-12-02 15:10:27 +00:00
Olivier Crête 2ab5a23a10 aggregator: Simplify clip function 
The return value was ignored anyway

https://bugzilla.gnome.org/show_bug.cgi?id=781673
 2017-12-02 15:10:27 +00:00
Olivier Crête 8936a692c1 aggregator: Only declare first buffer on actual buffer 
The function needs to be unlocked if any data is received, but only
end the first buffer processing on an actual buffer, synchronized events
don't matter on the first buffer processing.

https://bugzilla.gnome.org/show_bug.cgi?id=781673
 2017-12-02 15:10:27 +00:00
Olivier Crête 32b71d8707 aggregator: Set initial position on first buffer 
Set the initial position on the first buffer, otherwise the queue
will grow without limits before the output thread is started.

https://bugzilla.gnome.org/show_bug.cgi?id=781673
 2017-12-02 15:10:27 +00:00
Olivier Crête b31eebc946 aggregator: Reset the pad's first buffer flag with the rest 
There is not reason to have separate code to reset this one.

https://bugzilla.gnome.org/show_bug.cgi?id=781673
 2017-12-02 15:10:27 +00:00
Olivier Crête b7693464d0 aggregator: Reset pad on init 
Factor out the pad reset code from the flushing and use it on init as well

https://bugzilla.gnome.org/show_bug.cgi?id=781673
 2017-12-02 15:10:26 +00:00
Olivier Crête 06bc00ec98 aggregator: Fix indentation 
https://bugzilla.gnome.org/show_bug.cgi?id=781673
 2017-12-02 15:10:26 +00:00
Thibault Saunier 6e24e42d9a docs: Port all docstring to gtk-doc markdown 2017-12-02 15:10:26 +00:00
Thibault Saunier 47460d6326 aggregator: Make instance var name match between .c and .h 
Making GI happy
 2017-12-02 15:10:26 +00:00
Vincent Penquerc'h d5f42683ef gstaggregator: fix event use after free 
https://bugzilla.gnome.org/show_bug.cgi?id=781017
 2017-12-02 15:10:26 +00:00