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45 commits

Author SHA1 Message Date
Matthew Waters
e03e983e90 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
 2017-12-09 19:32:15 +00:00
Matthew Waters
2cef90184e gl: move control binding proxy implementation from glvideomixer 
Other elements may need to use it's functionality
 2017-12-09 19:32:15 +00:00
Matthew Waters
1d55ce912b glvideomixer: implement glBlendFunc and glBlendEquation 
Allows more blending options than just A over B

e.g. frame comparisons are now possible.
  glvideomixer name=m
    sink_0::zorder=0
    sink_1::zorder=1
    sink_1::blend-equation-rgb={subtract,reverse-subtract}
    sink_1::blend-function-src-rgb=src-color
    sink_1::blend-function-dst-rgb=dst-color
  ! glimagesinkelement
  videotestsrc pattern=checkers-4 ! m.sink_0
  videotestsrc pattern=checkers-8 ! m.sink_1
 2017-12-09 19:32:14 +00:00
Nirbheek Chauhan
5890c51bd3 glvideomixer: Proxy the ignore-eos videoaggregator property as well 
Identical to how the z-order property is proxied
 2017-12-09 19:32:09 +00:00
Matthew Waters
dec64d9036 glvideomixer: swap control binding proxy 
The ref_object and object parameters were the wrong way around.

For the typical use case where an application is setting a
GstControlBinding on the returned ghost pad:
1. our control binding would be removed when the new one was set
2. sync_values calls were not being forwarded from the internal
   pad to the ghost pad.

If an application attempts to perform other control binding
operations (get_* family of functions) on the internal pad, they
will also be forwarded to the ghost pad where a possible
GstControlBinding will provide the necessary values.
 2017-12-09 19:32:07 +00:00
Olivier Crête
f59948c5c0 glvideomixer: Add GstControlBinding proxy 
This is used to proxy GstControlBinding to the pad on the
parent object. This avoid having to sync the values in the proxy pad,
this is too early if you have a queue between the pad and the actual
aggregation operation.

https://bugzilla.gnome.org/show_bug.cgi?id=734060
 2017-12-09 19:32:06 +00:00
Olivier Crête
1c99bc92ca glvideomixer, glmixer: Add description and klass 2017-12-09 19:32:05 +00:00
Sebastian Dröge
5503937337 compositor/glvideomixer: Don't calculate PAR/DAR with unset GstVideoInfos 
Otherwise we divide by zero.
 2017-12-09 19:32:02 +00:00
Matthew Waters
44153e637b compositor/glvideomixer: fix up par handling 
We were using the wrong formula

https://bugzilla.gnome.org/show_bug.cgi?id=749634
 2017-12-09 19:32:01 +00:00
Matthew Waters
72993f54fa gl: remove useless gl{En,Dis}able (GL_TEXTURE_*) calls 
We are using shaders everywhere and so they are not needed
 2017-12-09 19:32:01 +00:00
Matthew Waters
65c57b77ff gl: element buffers are part of vao state 
Use them as such.  They are also required for GL3 core profile support
with glDrawElements on OS X.
 2017-12-09 19:32:01 +00:00
Matthew Waters
06cbb3389b glvideomixer: implement par handling 
We were previously ignoring it completely
 2017-12-09 19:32:01 +00:00
Matthew Waters
5d3dd13433 glvideomixer: don't upload the vertex data every frame 
Add the missing cache tracking statement.
 2017-12-09 19:32:01 +00:00
Sebastian Dröge
3d6031b75c Revert "Revert "glvideomixer: implement with glmixerbin"" 
This reverts commit b4bd11f2f3.
 2017-12-09 19:32:00 +00:00
Matthew Waters
eb5d578a95 Revert "glvideomixer: implement with glmixerbin" 
This reverts commit 0fb56738a1.
 2017-12-09 19:32:00 +00:00
Edward Hervey
36419f2f79 glvideomixer: Don't use context if not present 
Avoids assertions at runtime
 2017-12-09 19:31:58 +00:00
Matthew Waters
92f0aa9bd8 gl: get the context from basemixer/basefilter 2017-12-09 19:31:57 +00:00
Matthew Waters
b42e4ba079 glvideomixer: implement with glmixerbin 
The relevant properties are forwarded to/from the containing bin
and sink pads.
 2017-12-09 19:31:57 +00:00
Matthew Waters
02fdc64844 glvideomixer: don't upload if alpha <= 0 
Implemented using a upload_buffer vfunc within GstGLMixer allowing
NULL uploaded buffers.
 2017-12-09 19:31:52 +00:00
Tim-Philipp Müller
3c3ca1c842 glmixer, glvideomixer: update for GstAggregatorPadForeachFunc change 2017-12-09 19:31:52 +00:00
Nirbheek Chauhan
c1b1f546d5 glvideomixer: Point to compositor for the pad properties documentation 2017-12-09 19:31:52 +00:00
Matthew Waters
ba3a3cd783 gl: fixup vao and vbo usage for legacy GL 2017-12-09 19:31:52 +00:00
Matthew Waters
4bd62ebb03 gldisplay: implement runtime GL api filtering 
Needed so that the pipeline/application can limit the choice of GL api
to what it supports
 2017-12-09 19:31:51 +00:00
Matthew Waters
65c89e07fb glvideomixer: add support for gl3 2017-12-09 19:31:51 +00:00
Matthew Waters
3cccd77d5d 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
 2017-12-09 19:31:48 +00:00
Matthew Waters
d30a476c1c glvideomixer: update element documentation 2017-12-09 19:31:47 +00:00
Matthew Waters
f5006bdf09 glvideomixer: fix blending with low-alpha sources 
We also need to apply the blend paramaters to the alpha channel otherwise
the output of the blend will appear black at low alpha values (< 0.2).
 2017-12-09 19:31:46 +00:00
Matthew Waters
07489f7b76 glvideomixer: skip input frames with an alpha of 0 2017-12-09 19:31:46 +00:00
Matthew Waters
c9d63878dd glvideomixer: don't clobber unnecessary GstVideoInfo fields 
otherwise we might clobber other important fields such as the frame rate.
 2017-12-09 19:31:45 +00:00
Matthew Waters
fc1b2298d6 glvideomixer: get the attribute from the correct shader 2017-12-09 19:31:45 +00:00
Tim-Philipp Müller
6bbcefe029 opengl: update element docs for 1.x 2017-12-09 19:31:45 +00:00
Matthew Waters
e18905d057 glvideomixer: add a background property 
That's compatible with the compositor/videomixer property

https://bugzilla.gnome.org/show_bug.cgi?id=731954
 2017-12-09 19:31:45 +00:00
Julien Isorce
c18a109b42 gl: enable glvideomixer on GLES2 2017-12-09 19:31:43 +00:00
Matthew Waters
d86208e6ad glvideomixer: bas output width/height on the pad properties 
Allows automatic negotiation of the size in the following case:
gst-launch-1.0 glvideomixer name=m sink_0::xpos=0 sink_1::xpos=320 ! glimagesink \
    videotestsrc ! m. \
    videotestsrc pattern=1 ! m.

https://bugzilla.gnome.org/show_bug.cgi?id=731878
 2017-12-09 19:31:43 +00:00
Matthew Waters
dc4f9575b1 glvideomixer: don't clobber already allocated shader 2017-12-09 19:31:43 +00:00
Thibault Saunier
097373ed19 gl:glvideomixer: Add the Compositor in the element metadata class 
So it is possible to pick one compositing element from the registry
 2017-12-09 19:31:43 +00:00
Thibault Saunier
30a9ef3768 gl: Port glmixer to the GstVideoAggregator baseclass 
https://bugzilla.gnome.org/show_bug.cgi?id=731921
 2017-12-09 19:31:43 +00:00
Matthew Waters
21c0eed027 glvideomixer: silence incorrect number of arguments in format warning 2017-12-09 19:31:43 +00:00
Matthew Waters
b1e3630974 glvideomixer: wire up the alpha pad property 2017-12-09 19:31:43 +00:00
Matthew Waters
8226bb24cc glvideomixer: support input frame scaling 2017-12-09 19:31:43 +00:00
Matthew Waters
fc45211a9d glvideomixer: add positioning of input streams 
https://bugzilla.gnome.org/show_bug.cgi?id=729798
 2017-12-09 19:31:43 +00:00
Vincent Penquerc'h
07565d0ff7 gl: test for frame NULLness before dereferencing it 
Coverity 1195172, 1195171
 2017-12-09 19:31:36 +00:00
Matthew Waters
173b234ed2 gl: fix array initialization 2017-12-09 19:31:35 +00:00
Matthew Waters
b70069bc61 gl: fix assignment of temporary variables 2017-12-09 19:31:35 +00:00
Matthew Waters
a884d6feee move gl elements to ext subdirectory 2017-12-09 19:31:34 +00:00