Commit graph

21 commits

Author SHA1 Message Date
Sebastian Dröge
4249cb5768 videoaggregator: Rename get_output_buffer() to create_output_buffer()
For consistency with GstAudioAggregator.
2018-05-06 16:05:28 +02:00
Sebastian Dröge
ea5de0d757 videoaggregator: Switch to a GstVideoAggregatorConvertPad subclass
This moves all the conversion related code to a single place, allows
less code-duplication inside compositor and makes the glmixer code less
awkward. It's also the same pattern as used by GstAudioAggregator.
2018-05-06 15:22:51 +02:00
Sebastian Dröge
0dcd431c0e videoaggregator: Remove sink_non_alpha_caps class field
This is only used for caching reasons and should never actually be in
the public API. If this is ever a bottleneck later, caching around a
class private struct could be implemented.
2018-05-05 16:32:19 +02:00
Sebastian Dröge
0680c3e47d videoaggregator: Move needs_alpha pad field to the private struct
And also trigger renegotiation if the value has changed.

https://bugzilla.gnome.org/show_bug.cgi?id=795836
2018-05-05 16:32:19 +02:00
Sebastian Dröge
83192bce84 videoaggregator: Move aggregated_frame and the pad buffer into the private struct
The aggregated_frame is now called prepared_frame and passed to the
prepare_frame and cleanup_frame virtual methods directly. For the
currently queued buffer there is a method on the video aggregator pad
now.
2018-05-05 16:32:19 +02:00
Sebastian Dröge
e9e98715b0 videoaggregator: Move property storage to private pad struct 2018-05-04 17:18:12 +02:00
Sebastian Dröge
10b7b13732 videoaggregator: Rename ignore-eos pad property to repeat-after-eos
What it does is to repeat the last frame forever after EOS, it does not
literally ignore EOS.
2018-05-04 16:46:00 +02:00
Sebastian Dröge
e27083211c videoaggregator: Get rid of separate header for the aggregator pad 2018-05-04 15:35:52 +02:00
Tim-Philipp Müller
46a6d3f899 video: GST_EXPORT -> GST_URI_VIDEO_BAD_API
We need different export decorators for the different libs.
For now no actual change though, just rename before the release,
and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 13:36:33 +00:00
Tim-Philipp Müller
46d40debba videoaggregator: add CAST macros 2017-11-02 13:02:14 +00:00
Tim-Philipp Müller
93c379a3fc video: mark symbols explicitly for export with GST_EXPORT 2017-07-18 12:46:57 +01:00
Matthew Waters
7c53043386 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
2017-05-20 16:21:17 +02:00
Tim-Philipp Müller
441072834e videoaggregator: canonicalise function names
Had to be done at some point:
gst_videoaggregator_* -> gst_video_aggregator_*
Also fix up some function names with typos.
2016-05-16 12:27:50 +01:00
Matthew Waters
87031b14cb videoaggregator: don't do caps processing that is not overridable
Allows the subclass to completely override the chosen src caps.

This is needed as videoaggregator generally has no idea exactly
what operation is being performed.

- Adds a fixate_caps vfunc for fixation
- Merges gst_video_aggregator_update_converters() into
  gst_videoaggregator_update_src_caps() as we need some of its info
  for proper caps handling.
- Pass the downstream caps to the update_caps vfunc

https://bugzilla.gnome.org/show_bug.cgi?id=756207
2016-01-27 20:36:25 +11:00
Thiago Santos
ba97ec74be videoaggregator: fix caps query to properly handle alpha formats
Only accept alpha if downstream has alpha as well. It could
theoretically accept alpha unconditionally if blending is
properly implemented for handle it but at the moment this
is a missing feature.

Improves the caps query by also comparing with the template
caps to filter by what the subclass supports.

https://bugzilla.gnome.org/show_bug.cgi?id=754465
2015-09-11 18:03:26 -03:00
Jan Schmidt
37298354ff videoaggregator: Add class property to disable caps scaling
Add preserve_update_caps_result boolean on the class to allow
sub-classes to disable videoaggregator removing sizes and framerate
from the update_caps() return result.
2015-05-30 01:33:49 +10:00
Tim-Philipp Müller
83de85a2f3 aggregator: make padding larger
Esp. the class structures, can't have enough
spare space for virtual functions.
2014-12-28 01:13:33 +00:00
Thibault Saunier
9d8055186d videoaggregator: Expose vmethods to set converters and prepare/clean frames
This gives more flexibility to the subclasses and permits to remove the
GstVideoAggregatorClass->disable_frame_conversion ugly API.

WARNING: This breaks the API as it removes the disable_frame_conversion
field

API:
  + GstVideoAggregatorClass->find_best_format
  + GstVideoAggregatorPadClass->set_format
  + GstVideoAggregatorPadClass->prepare_frame
  + GstVideoAggregatorPadClass->clean_frame

  - GstVideoAggregatorClass->disable_frame_conversion

https://bugzilla.gnome.org/show_bug.cgi?id=740768
2014-11-27 19:10:58 +01:00
Matthew Waters
f0caf04ad6 videoaggregator: operate on caps rather than video info
Otherwise the CapsFeatures will be lost along with the possibility
of multiple output types and formats.

https://bugzilla.gnome.org/show_bug.cgi?id=738129
2014-10-21 01:14:36 +11:00
Thibault Saunier
bc5e230040 libs:video: Properly declare APIs as UNSTABLE 2014-06-21 17:02:50 +02:00
Mathieu Duponchelle
7cf66e7c07 videoaggregator: Create a new GstVideoAggregator baseclass
This base class has been added to a newly created libgstbadvideo library

Co-Authored by: Thibault Saunier <tsaunier@gnome.org>

https://bugzilla.gnome.org/show_bug.cgi?id=731918
2014-06-20 19:53:33 +02:00