https://github.com/mesonbuild/meson
With contributions from:
Tim-Philipp Müller <tim@centricular.com>
Matej Knopp <matej.knopp@gmail.com>
Jussi Pakkanen <jpakkane@gmail.com> (original port)
Highlights of the features provided are:
* Faster builds on Linux (~40-50% faster)
* The ability to build with MSVC on Windows
* Generate Visual Studio project files
* Generate XCode project files
* Much faster builds on Windows (on-par with Linux)
* Seriously fast configure and building on embedded
... and many more. For more details see:
http://blog.nirbheek.in/2016/05/gstreamer-and-meson-new-hope.htmlhttp://blog.nirbheek.in/2016/07/building-and-developing-gstreamer-using.html
Building with Meson should work on both Linux and Windows, but may
need a few more tweaks on other operating systems.
Otherwise those symbols can conflict with external libraries when
linking everything statically for mobile targets.
Use the gst_gm_ prefix, short for gst geometric math.
https://bugzilla.gnome.org/show_bug.cgi?id=756882
The perspective plugin applies a 2D perspective (also called projective)
transform to the frame buffer.
A perspective transform can be used for instance to perform keystone
correction when playing the content with a video projector.
https://bugzilla.gnome.org/show_bug.cgi?id=710810
When the frame buffer is AYUV writing all zeros does not set it to
black, in YUV colorspace 0x10 is the black level for luminance and 0x80
is the black level for chrominance.
Fix setting the background to black when the out_frame format is AYUV;
in all the other supported formats zeroing the data with memset is still
the right thing to do.
https://bugzilla.gnome.org/show_bug.cgi?id=710392
Check if the map doesn't exist when receiving a new caps and create
a new one. This prevents that the transform functions try to access
the map when it doesn't exist.
Remove the android/ top dir
Fixe the Makefile.am to be androgenized
To build gstreamer for android we are now using androgenizer which generates the needed Android.mk files.
Androgenizer can be found here: http://git.collabora.co.uk/?p=user/derek/androgenizer.git
Adds a new rotate element to geometrictransform. It still
needs some work. But this is a good starting point.
Based on patch from Bert Douglas <bertd tplogic com>
Rework bulge mapping function to give more predictable results.
Now the bulge is done dividing by a scale factor that smoothsteps from
"zoom" at the center to 1.0 at "radius".
https://bugzilla.gnome.org/show_bug.cgi?id=625908
Make the "radius" property of CircleGeometricTransform relative.
This is more coherent with the way [x,y]-center properties are handled
and allow to set a radius without knowing the video size.
Radius is defined with respect to the circle circumscribed about the
video rectangle so that a point in the center has radius 0.0 and one in
a vertex has radius 1.0.
Note that this is not a regression from the previous absolute way of
defining the radius as a user who knows the video size can easily
calculate the relative radius and set that.
https://bugzilla.gnome.org/show_bug.cgi?id=625959
Ports gleffects "fisheye" filter to geometrictransform.
Fake fisheye lens filter. Somewhat empiric implementation because I
didn't find any good algorithm that does it with nice results.
https://bugzilla.gnome.org/show_bug.cgi?id=625722
Ports gleffects "mirror" filter to geometrictransform.
Simple yet effective mirror effect, splits the image into halves and
reflect the first into the second.
https://bugzilla.gnome.org/show_bug.cgi?id=625722
