Matthew Waters [Tue, 7 Oct 2014 12:04:30 +0000 (23:04 +1100)]
glcolorconvert: fix UYVY download green screen
Matthew Waters [Tue, 7 Oct 2014 11:50:22 +0000 (22:50 +1100)]
glcolrconvert: fix YUY2 download
- The shader was outputing the wrong values compared with raw
videotestsrc.
- deal with the texture edge properly.
- properly sample the 2x1 rectangle for the u and v values
- don't double sample the y value
Sebastian Dröge [Wed, 1 Oct 2014 13:04:36 +0000 (16:04 +0300)]
gl/cocoa: Always update our viewport if Cocoa tells us something has changed
The visible rect and bounds might be the same as before, but Cocoa
might've changed our viewport without us nothing. This happens if
you hide the view and show it again.
Sebastian Dröge [Wed, 1 Oct 2014 08:55:13 +0000 (11:55 +0300)]
gl/cocoa: Handle NSView::renewGState() properly
Don't update the screen until we redraw, this prevents flickering during
scrolling, clipping, resizing, etc
Lubosz Sarnecki [Thu, 25 Sep 2014 15:01:31 +0000 (17:01 +0200)]
gltransformation: graphene multiplication order has changed
https://bugzilla.gnome.org/show_bug.cgi?id=733510
Matthew Waters [Tue, 30 Sep 2014 10:39:36 +0000 (20:39 +1000)]
glvideomixer: update element documentation
Matthew Waters [Tue, 30 Sep 2014 08:26:34 +0000 (18:26 +1000)]
tests/glcolorconvert: do reorder checking for rgba formats
Matthew Waters [Tue, 30 Sep 2014 04:46:14 +0000 (14:46 +1000)]
glcolorconvert: convert xRGB into ARGB properly
The alpha channel might not be the last component so check which one
it is in and clobber that one instead.
Matthew Waters [Mon, 29 Sep 2014 15:45:20 +0000 (01:45 +1000)]
tests/glmemory: add simple transfer test
tests transferring to/from the GL with a 1x1 RGBA pixel.
Matthew Waters [Mon, 29 Sep 2014 15:38:05 +0000 (01:38 +1000)]
glmemory: unset the opposite corresponding transfer flags when mapped with write
fixes consistency with consecutive gst_memory_map()'s with
flags & GST_MAP_WRITE
Sebastian Dröge [Mon, 29 Sep 2014 06:33:42 +0000 (09:33 +0300)]
gl/cocoa: Update viewport according to the current clipping
We have to update the GL viewport if the NSView is only partially
visible. Otherwise the content of the frame will be visibly offset.
Sebastian Dröge [Mon, 29 Sep 2014 07:49:46 +0000 (10:49 +0300)]
gl/cocoa: Improve the NSApplication initialization
This is only for non-Cocoa apps but previously caused a 2 second
waiting during startup for Cocoa apps. This is unacceptable.
Instead we now check a bit more extensive if something actually
runs on the GLib default main context, and if not don't even
bother waiting for something to happen from there.
Sebastian Dröge [Mon, 29 Sep 2014 06:24:49 +0000 (09:24 +0300)]
gl/cocoa: NSView::drawRect() should call into reshape too
We a) need to render again because part of the window was
obscured and b) might need to reshape because of clipping
changes.
Sebastian Dröge [Fri, 26 Sep 2014 11:21:46 +0000 (14:21 +0300)]
gl/cocoa: Call UI related API from the application main thread
Sebastian Dröge [Fri, 26 Sep 2014 10:05:27 +0000 (13:05 +0300)]
gl/cocoa: Switch to a plain NSView subclass instead of NSOpenGLView
We don't and can't use NSOpenGLView as it's supposed to be used and
it gets into our way by being to clever in various situations.
Edward Hervey [Mon, 29 Sep 2014 06:54:29 +0000 (08:54 +0200)]
glcontext: Initialize variable
Avoids the following warning:
gstglcontext.c:647:58: error: 'prev' may be used uninitialized in
this function [-Werror=maybe-uninitialized]
Jan Schmidt [Sun, 28 Sep 2014 14:23:57 +0000 (00:23 +1000)]
examples: Fix Qt/GL qglwtextureshare example for X11
We need to pass the X11 display to GstGL or else it will
use its own X11 Display pointer, and the GL Context won't get shared
correctly on newer X servers
Jan Schmidt [Sun, 28 Sep 2014 10:21:50 +0000 (20:21 +1000)]
examples: port GL/Qt examples to Qt5
Update the GL Qt integration examples for Qt5 changes and for GstGL
signal signature changes.
Matthew Waters [Sun, 28 Sep 2014 14:32:05 +0000 (00:32 +1000)]
glcontext: fixup error in sharegroup comment
Matthew Waters [Sun, 28 Sep 2014 14:27:30 +0000 (00:27 +1000)]
Revert accidental push: "gltestsrc: implement checkers pattern with GLSL"
This reverts commit
eae09179f0b4eb584c8fc7b6560d8fc8e86eed4c.
Matthew Waters [Sun, 28 Sep 2014 14:24:28 +0000 (00:24 +1000)]
glcontext: detect the sharegroup case where the context are in different chains
In the end they will lead to the same root context in the tree so check that
for equality.
Wang Xin-yu (王昕宇) [Sun, 28 Sep 2014 02:51:09 +0000 (10:51 +0800)]
gltestsrc: implement checkers pattern with GLSL
Matthew Waters [Sun, 28 Sep 2014 11:18:32 +0000 (21:18 +1000)]
glfilter: silence a warning with empty input caps
discovered with the doublecube example
gst_caps_get_features: assertion 'index < GST_CAPS_LEN (caps)' failed
Matthew Waters [Sun, 28 Sep 2014 10:37:04 +0000 (20:37 +1000)]
examples/gl: update for signal signature change
Matthew Waters [Fri, 26 Sep 2014 12:29:56 +0000 (22:29 +1000)]
gloverlay: fix zero output frames with YUY2/UYVY
also, be nice and disable blending for other elements
Matthew Waters [Fri, 26 Sep 2014 12:22:06 +0000 (22:22 +1000)]
gloverlay: protect desktop gl specific tokens with #if
Matthew Waters [Fri, 26 Sep 2014 02:28:10 +0000 (12:28 +1000)]
gloverlay: free the image memory every time the location changes
fixes a memory leak
Sebastian Dröge [Thu, 25 Sep 2014 17:48:59 +0000 (20:48 +0300)]
gloverlay: Include into the build with GLES2 only too
Matthew Waters [Thu, 25 Sep 2014 15:45:22 +0000 (01:45 +1000)]
gltestsrc: free the shader on stop
Matthew Waters [Thu, 25 Sep 2014 15:34:54 +0000 (01:34 +1000)]
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).
Matthew Waters [Thu, 25 Sep 2014 15:14:35 +0000 (01:14 +1000)]
gloverlay: reimplement everything
- update for shaders
- add alpha property
- image placement properties shamelessly borrowed from gdkpixbufoverlay
- image placement properties are GstController able
- use GstGLMemory for the overlay image data
- add support for gles2
Sebastian Dröge [Thu, 25 Sep 2014 13:13:19 +0000 (16:13 +0300)]
gl/cocoa: Switch from our custom main loop to a GMainLoop
Simplifies code a lot and makes it more similar to the other backends.
Sebastian Dröge [Thu, 25 Sep 2014 13:12:24 +0000 (16:12 +0300)]
gl/cocoa: Clear the current GL context when it should happen
Matthew Waters [Wed, 24 Sep 2014 04:29:37 +0000 (14:29 +1000)]
glvideomixer: skip input frames with an alpha of 0
Matthew Waters [Wed, 24 Sep 2014 03:13:19 +0000 (13:13 +1000)]
gl: download whenever we have sysmem capsfeatures
Otherwise we could pass on a RGBA formatted buffer and downstream would
misinterpret that as some other video format.
Fixes pipelines of the form
gleffects ! tee ! xvimagesink
Lubosz Sarnecki [Thu, 21 Aug 2014 00:14:40 +0000 (02:14 +0200)]
gltestsrc: add Mandelbrot fractal pattern.
https://bugzilla.gnome.org/show_bug.cgi?id=735131
Lubosz Sarnecki [Thu, 21 Aug 2014 00:13:58 +0000 (02:13 +0200)]
gltestsrc: implement snow pattern with GLSL.
https://bugzilla.gnome.org/show_bug.cgi?id=735131
Matthew Waters [Tue, 23 Sep 2014 02:02:18 +0000 (12:02 +1000)]
glupload: fallback to upload if contexts cannot share GL resources
Fixes pipelines of the form
gleffects ! tee ! glimagesink
as tee does not pass on the allocation query.
Matthew Waters [Tue, 23 Sep 2014 02:01:04 +0000 (12:01 +1000)]
glcontext: add gst_gl_context_can_share
Which determines whether two GstGLContext's can share sharable
OpenGL resources.
Matthew Waters [Mon, 22 Sep 2014 10:01:27 +0000 (20:01 +1000)]
gl/tests: update for upload API changes
Sebastian Dröge [Mon, 22 Sep 2014 07:08:17 +0000 (10:08 +0300)]
gl: Let gst_gl_context_get_thread() return a new reference to the GThread
Otherwise it might go away in the meantime and the caller has some random pointer.
Anuj Jaiswal [Mon, 22 Sep 2014 05:40:42 +0000 (11:10 +0530)]
gl: consecutive return, break statement
Signed-off-by: Anuj Jaiswal <anuj.jaiswal@samsung.com>
https://bugzilla.gnome.org/show_bug.cgi?id=736939
Matthew Waters [Mon, 22 Sep 2014 02:21:22 +0000 (12:21 +1000)]
gl/debug: desktop GL does not have the KHR suffixes
Matthew Waters [Mon, 22 Sep 2014 01:59:30 +0000 (11:59 +1000)]
examples/gl/gtk: use the sync bus callback to set the window handle
And output error messages.
Tim-Philipp Müller [Sun, 21 Sep 2014 12:32:29 +0000 (13:32 +0100)]
gl: add since markers for new API
Matthew Waters [Sun, 21 Sep 2014 11:42:41 +0000 (21:42 +1000)]
glmemory: add debug line for freeing textures
Matthew Waters [Sun, 21 Sep 2014 11:36:49 +0000 (21:36 +1000)]
glupload: provide the output buffer that is rendered into
Allows callers to properly reference count the buffers used for
rendering.
Fixes a redraw race in glimagesink where the previous buffer
(the one used for redraw operations) is freed as soon as the next
buffer is uploaded.
1. glimagesink uploads in _prepare() to texture n
1.1 glupload holds buffer n
2. glimagesink _render()s texture n
3. glimagesink uploads texture n+1
3.1 glupload free previous buffer which deletes texture n
3.2 glupload holds buffer n+1
4. glwindow resize/expose
5. glimagesink redraws with texture n
The race is that the buffer n (the one used for redrawing) is freed as soon as
the buffer n+1 arrives. There could be any amount of time and number of
redraws between this event and when buffer n+1 is actually rendered and thus
replaces buffer n as the redraw source.
https://bugzilla.gnome.org/show_bug.cgi?id=736740
Matthew Waters [Sun, 21 Sep 2014 11:30:58 +0000 (21:30 +1000)]
glcontext: add API to retreive the thread that context is active in
Sanjay NM [Fri, 19 Sep 2014 10:02:33 +0000 (15:32 +0530)]
gl: Removed unreachable break, unused variable
https://bugzilla.gnome.org/show_bug.cgi?id=736957
Ognyan Tonchev [Tue, 16 Sep 2014 09:42:34 +0000 (11:42 +0200)]
glfilter: do not leak pool in error cases
https://bugzilla.gnome.org/show_bug.cgi?id=736732
Ognyan Tonchev [Tue, 16 Sep 2014 09:41:43 +0000 (11:41 +0200)]
gltestsrc: do not leak pool in error cases
https://bugzilla.gnome.org/show_bug.cgi?id=736730
Ognyan Tonchev [Tue, 16 Sep 2014 09:41:16 +0000 (11:41 +0200)]
glmixer: do not leak pool in error cases
https://bugzilla.gnome.org/show_bug.cgi?id=736729
Vasilis Liaskovitis [Tue, 9 Sep 2014 10:01:47 +0000 (12:01 +0200)]
GstGLWindow: Introduce navigation thread
This thread dispatches navigation events. It is needed to avoid deadlocks
between window backend threads that emit navigation events (e.g. X11/GMainLoop
thread) and consumers of navigation events such as glimagesink, see
https://bugzilla.gnome.org/show_bug.cgi?id=733661
GstGlWindow_x11 thread is changed to invoke the navigation thread for navigation
dispatching, instead of emiting the event itself. Othe backends beside X11 do
not dispatch navigation events yet, but should use this thread when dispatching
these events in the future.
The navigation thread is currently part of GstGLWindow and not implemented in
separate subclasses / backends. This will be needed in the future.
gst_gl_window_x11_get_surface_dimensions is also changed to use a cached value
of the window's width, height. These values are now retrieved in the X11
thread, function gst_gl_window_x11_handle_event. This change is needed because
otherwise the XGetWindowAttributes gets called from the navigation thread,
leading to xlib aborting due to multithreaded access (if XInitThreads is not
called before, as is the case for gst-launch)
Lubosz Sarnecki [Mon, 7 Jul 2014 08:52:57 +0000 (10:52 +0200)]
gltransformation: fix issues and expose mvp matrix
* aspect should not be 0 on init
* rename fovy to fov
* add mvp to properties as boxed graphene type
* fix transformation order. scale first
* clear color with 1.0 alpha
https://bugzilla.gnome.org/show_bug.cgi?id=734223
Sebastian Dröge [Thu, 28 Aug 2014 13:42:30 +0000 (16:42 +0300)]
glimagesink: Add missing break to switch
CID
1232801
Wang Xin-yu (王昕宇) [Tue, 26 Aug 2014 08:21:42 +0000 (16:21 +0800)]
gl: qglwtextureshare demo fixes and cleanup
1. glcontextid function is replaced by gstreamer gst_gl_context_new_wrapped .
2. call gst_init before gst_gl_display_new , seems gst_gl_display_new depends
on gst_allocator_register , which only worked after gst_init called
3. flush gstreamer OpenGL context before using shared texture, fix
flicker problem.
https://bugzilla.gnome.org/show_bug.cgi?id=735566
Wang Xin-yu (王昕宇) [Wed, 27 Aug 2014 05:40:42 +0000 (13:40 +0800)]
gl: Add GSTGLAPI macro to the debug callback function
Fixes the Windows build.
https://bugzilla.gnome.org/show_bug.cgi?id=735565
Jan Schmidt [Tue, 26 Aug 2014 02:38:52 +0000 (12:38 +1000)]
egl: Wrap KHR_create_context flags in an ifdef
EGL_CONTEXT_FLAGS_KHR and EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR
don't exist in the Android NDK. Wrap their usage in an #ifdef
EGL_KHR_create_context to fix the build there.
Matthew Waters [Fri, 22 Aug 2014 06:49:10 +0000 (16:49 +1000)]
egl: fallback to a non-debug context if a debug one fails
The text for EGL_KHR_create_context added the possiblity for ES
contexts to ask for a debug context however that has not been
fully realized by all implementations. Fallback to a non-debug
context when the implementation errors.
Lubosz Sarnecki [Wed, 2 Jul 2014 10:49:44 +0000 (12:49 +0200)]
gstopengl: add introspection support
https://bugzilla.gnome.org/show_bug.cgi?id=734482
Lubosz Sarnecki [Tue, 5 Aug 2014 10:07:08 +0000 (12:07 +0200)]
examples: fix gtk+ 3.14 deprecation error
https://developer.gnome.org/gtk3/3.13/GtkWidget.html#gtk-widget-set-double-buffered
https://bugzilla.gnome.org/show_bug.cgi?id=734482
Lubosz Sarnecki [Mon, 7 Jul 2014 08:52:06 +0000 (10:52 +0200)]
glimagesink: expose context
* expose context in draw / reshape callbacks
* add context property
https://bugzilla.gnome.org/show_bug.cgi?id=734482
Lubosz Sarnecki [Mon, 7 Jul 2014 08:51:28 +0000 (10:51 +0200)]
glshader: expose opengl handle in getter
https://bugzilla.gnome.org/show_bug.cgi?id=734482
Wang Xin-yu (王昕宇) [Wed, 20 Aug 2014 01:37:01 +0000 (09:37 +0800)]
gl: check null before unref GstGLDisplay
Matthew Waters [Thu, 21 Aug 2014 00:03:07 +0000 (10:03 +1000)]
gl: add prototype definition for KHR_debug
Matthew Waters [Wed, 20 Aug 2014 13:24:12 +0000 (23:24 +1000)]
glcontext: implement the debug callback
For both GL_KHR_debug and ARB_debug_output. This allows us to
receive errors and other hints from the GL instead of querying after
every GL operation.
Matthew Waters [Wed, 20 Aug 2014 13:23:06 +0000 (23:23 +1000)]
gl: add prototypes for KHR_debug/ARB_debug_output
Matthew Waters [Tue, 19 Aug 2014 10:14:22 +0000 (20:14 +1000)]
gl: don't take an extra ref on the display on set_context
gst_context_get_gl_display() returns a ref. Don't take another in
gst_object_replace().
Matthew Waters [Tue, 19 Aug 2014 07:01:36 +0000 (17:01 +1000)]
glmixer: unref the GstGLUpload in the pad if freed while running
Dynamic pipelines that get and release the sink pads will finalize
the pad without going through gst_gl_mixer_stop() which is where the
upload object is usually freed. Don't leak objects in such case.
Wang Xin-yu (王昕宇) [Fri, 15 Aug 2014 03:51:21 +0000 (23:51 -0400)]
glvideomixer: avoid gl resource race condition between different thread
https://bugzilla.gnome.org/show_bug.cgi?id=734830
Matthew Waters [Tue, 19 Aug 2014 04:44:29 +0000 (14:44 +1000)]
glvideomixer: don't clobber unnecessary GstVideoInfo fields
otherwise we might clobber other important fields such as the frame rate.
Matthew Waters [Tue, 19 Aug 2014 04:43:42 +0000 (14:43 +1000)]
glvideomixer: get the attribute from the correct shader
Matthew Waters [Tue, 19 Aug 2014 04:23:21 +0000 (14:23 +1000)]
glimagesink: unref the window on navigation event
plugs a memory leak
Tim-Philipp Müller [Sun, 10 Aug 2014 21:58:22 +0000 (22:58 +0100)]
glbufferpool: fix allocator leak in some cases
Spotted by Sebastian Rasmussen.
https://bugzilla.gnome.org/show_bug.cgi?id=734523
Sebastian Rasmussen [Sat, 9 Aug 2014 09:45:41 +0000 (11:45 +0200)]
examples/gl: unref bus and element after usage
gst_pipeline_get_bus() and gst_bin_get_by_interface() both
return references that need to be unreferenced after usage.
https://bugzilla.gnome.org/show_bug.cgi?id=734527
Tim-Philipp Müller [Sun, 10 Aug 2014 17:07:28 +0000 (18:07 +0100)]
opengl: update element docs for 1.x
Matthew Waters [Thu, 7 Aug 2014 09:18:49 +0000 (19:18 +1000)]
glvideomixer: add a background property
That's compatible with the compositor/videomixer property
https://bugzilla.gnome.org/show_bug.cgi?id=731954
Vasilis Liaskovitis [Wed, 6 Aug 2014 13:48:03 +0000 (16:48 +0300)]
GstGLWindow, GstGLImagesink, x11: Scale navigation events on resized windows
If window is resized, GstStructure pointer values have to be rescaled to
original geometry. A get_surface_dimensions GLWindow class method is added for
this purpose and used in the navigation send_event function.
https://bugzilla.gnome.org/show_bug.cgi?id=703486
Wang Xin-yu (王昕宇) [Wed, 6 Aug 2014 12:15:38 +0000 (08:15 -0400)]
glupload: don't determine if frame needs upload by pointer compare
https://bugzilla.gnome.org/show_bug.cgi?id=734269
Matthew Waters [Fri, 1 Aug 2014 07:51:08 +0000 (17:51 +1000)]
gl/docs: remove superflous 'the'
Matthew Waters [Fri, 1 Aug 2014 06:41:13 +0000 (16:41 +1000)]
gl: document GST_GL_* environment variables
https://bugzilla.gnome.org/show_bug.cgi?id=733245
Matthew Waters [Fri, 1 Aug 2014 00:01:18 +0000 (10:01 +1000)]
gl/tests: update for API changes
Matthew Waters [Thu, 31 Jul 2014 08:46:33 +0000 (18:46 +1000)]
glcontext: add a destroy function
that just calls the subclass
Matthew Waters [Thu, 31 Jul 2014 08:36:58 +0000 (18:36 +1000)]
gl/x11: silence runtime warning
g_main_loop_quit: assertion 'loop != NULL' failed
Matthew Waters [Thu, 31 Jul 2014 05:18:04 +0000 (15:18 +1000)]
glmemory: use the plane offsets to compute the size of the data pointer
Certain elements expect that there be a certain number of lines
that they can write into. e.g. for odd heights, I420, YV12, NV12,
NV21 (and others) Y lines are expected to have exactly twice the
number of U/UV lines.
https://bugzilla.gnome.org/show_bug.cgi?id=733717
Matthew Waters [Thu, 31 Jul 2014 04:07:29 +0000 (14:07 +1000)]
glmemory: use GstVideoInfo everywhere
Simplifies a lot of the calling code
https://bugzilla.gnome.org/show_bug.cgi?id=733717
Matthew Waters [Tue, 29 Jul 2014 03:25:22 +0000 (13:25 +1000)]
glimagesink: keep the uploaded buffer around on successful redisplay
We might need it later to perform a redisplay. GstGLUpload will take
of releasing the previous buffer when it receives a new buffer.
https://bugzilla.gnome.org/show_bug.cgi?id=733726
Matthew Waters [Tue, 29 Jul 2014 01:47:55 +0000 (11:47 +1000)]
glmemory: reenable the texture_rg support for !eagl
The GST_GL_HAVE_PLATFORM_EAGL is always defined we need to compare
against the value instead.
Matthew Waters [Sun, 27 Jul 2014 03:26:00 +0000 (13:26 +1000)]
glimagesink: silence gsignal warning
instance '0xblah' has no handler with id '13'
Vasilis Liaskovitis [Thu, 24 Jul 2014 09:25:36 +0000 (12:25 +0300)]
glwindow/11: Emit signals for mouse and key navigation events
https://bugzilla.gnome.org/show_bug.cgi?id=703486
Sebastian Dröge [Thu, 24 Jul 2014 10:23:03 +0000 (12:23 +0200)]
glwindow: Constify string parameters to the send_*_event() functions
Matthew Waters [Thu, 24 Jul 2014 03:05:00 +0000 (13:05 +1000)]
glimagesink: remove extra argument from debug call
Vasilis Liaskovitis [Sun, 6 Jul 2014 21:20:01 +0000 (00:20 +0300)]
glimagesink: Add navigation interface and callbacks for GstGLWindow mouse/key signals
https://bugzilla.gnome.org/show_bug.cgi?id=703486
Vasilis Liaskovitis [Sun, 6 Jul 2014 20:39:47 +0000 (23:39 +0300)]
GstGLWindow : Add mouse-event and key-event signals for navigation
https://bugzilla.gnome.org/show_bug.cgi?id=703486
Wang Xin-yu (王昕宇) [Wed, 23 Jul 2014 02:25:31 +0000 (10:25 +0800)]
gl: fix multi gl object leaks
1. fix FBO leaks in decide_allocation
2. fix texture leaks in decide_allocation and reset
3. fix texture leaks in FBO incomplete error path
Руслан Ижбулатов [Mon, 21 Jul 2014 11:07:28 +0000 (11:07 +0000)]
gl: Reorder CFLAGS to include in-source dirs first in examples
https://bugzilla.gnome.org/show_bug.cgi?id=733426
Tim-Philipp Müller [Thu, 17 Jul 2014 09:05:47 +0000 (10:05 +0100)]
examples: fix compilation of gl fxtest example on win32 with Gtk+ 3.0
https://bugzilla.gnome.org/show_bug.cgi?id=733063
Sebastian Dröge [Fri, 11 Jul 2014 11:58:55 +0000 (13:58 +0200)]
gl: Always build gstglmixer, not only when full OpenGL support is enabled
Sebastian Dröge [Fri, 11 Jul 2014 10:04:07 +0000 (12:04 +0200)]
gl: Link to all required libraries but not more
Sebastian Dröge [Fri, 11 Jul 2014 07:41:05 +0000 (09:41 +0200)]
gl: Move GstGLMixer to the plugin for now
It depends on GstAggregator and we don't want to install headers
for that yet.
https://bugzilla.gnome.org/show_bug.cgi?id=732207