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Author SHA1 Message Date
Matthew Waters
612102fdbc gst: don't use volatile to mean atomic 
volatile is not sufficient to provide atomic guarantees and real atomics
should be used instead.  GCC 11 has started warning about using volatile
with atomic operations.

https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1719

Discovered in https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/issues/868

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/911>
 2021-03-18 19:52:53 +11:00
Sebastian Dröge
e3c16d0194 qmlglsink: Keep old buffers around a bit longer if they were bound by QML 
We don't know exactly when QML will stop using them but it should be
safe to unref them after at least 2 more buffers were bound.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/810>
 2020-11-11 11:37:27 +00:00
Dinesh Manajipet
aa264e6b07 qmlglsink: Set qtitem's implicit width/height 
This can be useful to let the layouts automatically resize qtitem
and also easily query a video's width/height from QML

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/802>
 2020-11-02 13:53:46 +00:00
Bastien Reboulet
27ecd2c30d qmlglsink: fix crash when created/destroyed in quick succession 
The crash is caused by a race condition where the render thread
calls a method on the QtGLVideoItem instance that was
previously destroyed by the main thread.
Also, less frequently, QtGLVideoItem::onSceneGraphInitialized
is called when QQuickItem::window is null, also causing a crash.

Fixes #798

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/777>
 2020-10-20 18:12:20 +00:00
Raul Tambre
b471f75ea0 QtGLVideoItem: Use QSharedPointer::data() for better compatibility 
Older Qt versions didn't have QSharedPointer::get(), which is just a modern alias for QSharedPointer::data().

FAILED: ext/qt/libgstqmlgl.so.p/qtitem.cc.o
c++ -Iext/qt/libgstqmlgl.so.p -Iext/qt -I../ext/qt -I. -I.. -I../gst-libs -I/usr/include/glib-2.0 -I/usr/lib/aarch64-linux-gnu/glib-2.0/include -I/usr/include/gstreamer-1.0 -I/usr/include/orc-0.4 -I/usr/lib/aarch64-linux-gnu/gstreamer-1.0/include -I/usr/include/aarch64-linux-gnu/qt5/QtCore -I/usr/include/aarch64-linux-gnu/qt5 -I/usr/include/aarch64-linux-gnu/qt5/QtGui -I/usr/include/aarch64-linux-gnu/qt5/QtQml -I/usr/include/aarch64-linux-gnu/qt5/QtNetwork -I/usr/include/aarch64-linux-gnu/qt5/QtQuick -I/usr/include/aarch64-linux-gnu/qt5/QtX11Extras -I/usr/include/libdrm -flto -fdiagnostics-color=always -pipe -D_FILE_OFFSET_BITS=64 -std=c++11 -Wmissing-declarations -Wredundant-decls -Wwrite-strings -Winit-self -Wmissing-include-dirs -Wno-multichar -Wvla -Wpointer-arith -g -fdebug-prefix-map=/opt/good/src=. -Wformat -Werror=format-security -O3 -march=native -Wno-error -Wdate-time -fPIC -pthread -DHAVE_CONFIG_H -DHAVE_QT_X11 -DHAVE_QT_EGLFS -MD -MQ ext/qt/libgstqmlgl.so.p/qtitem.cc.o -MF ext/qt/libgstqmlgl.so.p/qtitem.cc.o.d -o ext/qt/libgstqmlgl.so.p/qtitem.cc.o -c ../ext/qt/qtitem.cc
In file included from /usr/include/gstreamer-1.0/gst/gst.h:55:0,
                 from /usr/include/gstreamer-1.0/gst/video/video.h:23,
                 from ../ext/qt/qtitem.cc:27:
../ext/qt/qtitem.cc: In destructor ‘virtual QtGLVideoItem::~QtGLVideoItem()’:
../ext/qt/qtitem.cc:138:86: error: ‘class QSharedPointer<QtGLVideoItemInterface>’ has no member named ‘get’
   GST_INFO ("%p Destroying QtGLVideoItem and invalidating the proxy %p", this, proxy.get());
                                                                                      ^
/usr/include/gstreamer-1.0/gst/gstinfo.h:682:31: note: in definition of macro ‘GST_CAT_LEVEL_LOG’
         (GObject *) (object), __VA_ARGS__);    \
                               ^~~~~~~~~~~
../ext/qt/qtitem.cc:138:3: note: in expansion of macro ‘GST_INFO’
   GST_INFO ("%p Destroying QtGLVideoItem and invalidating the proxy %p", this, proxy.get());
   ^

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/673>
 2020-07-15 12:38:50 +00:00
Matthew Waters
7a25fb5b08 qt: add a qml overlay filter element [part 2] 
It takes a qml scene description and renders it using a possible input
stream.

Currently supported on GLX and WGL.

Follow up to (as that MR had an old version of the commit):
- https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/475
- 4778d7166a: qt: add a qml overlay filter element
 2020-03-19 17:26:54 +11:00
Matthew Waters
21acf312f0 qt: don't always activate/deactivate our GstGLContext 
Techincally it is enough to activate at the beginning and then forget.
 2020-03-18 11:22:39 +00:00
Matthew Waters
5e9f80c79a qtitem: fix leak of caps 2020-03-18 11:22:39 +00:00
Jochen Henneberg
a0d526a2a8 qmlglsink: Expose itemInitialized as property 
Instead of just signalling when ready exposing the state
as a property allows us to bind at any time if player is
loaded async.
 2017-09-14 15:12:12 +10:00
Carlos Rafael Giani
d9a294ac9f qmlglsink: Add itemInitialized signal to QML item 
This is useful for autoplay for example. With autoplay, it is necessary to
wait until the scene graph is fully set up. This signal is emitted once the
QML item node is ready. So, inside a connected slot, the pipeline's state
can be set to PLAYING to automatically start playback as soon as the QML
script is loaded.

https://bugzilla.gnome.org/show_bug.cgi?id=786246
 2017-08-14 14:51:43 +03:00
Jan Schmidt
ac068bd2b9 qt: Use a proxy object for access to the QML widget 
QML can destroy the video widget at any time, leaving
us with a dangling pointer. Use a lock and a proxy
object to cope with that, and block in the widget
destructor if there are ongoing calls into the widget.
 2017-07-12 15:51:11 +10:00
Jan Schmidt
c4eabb1a87 qt: Remove misleading reference to GTK in qtitem.cc 2017-06-22 01:01:40 +10:00
Matthew Waters
01b6c38ec9 qml/item: also unref the display on destruction 
Leaking objects (and a thread!) is never a good idea.

https://bugzilla.gnome.org/show_bug.cgi?id=775746
 2016-12-07 23:02:02 +11:00
Haihua Hu
669600617c qt: implement qmlglsrc for qml view grab 
[Matthew Waters]: gst-indent sources

https://bugzilla.gnome.org/show_bug.cgi?id=768160
 2016-08-03 22:11:11 +10:00
Haihua Hu
04fd6dc6c4 qmlglsink: Fix build error when don't have QPA installed. 
Check header file existance and wrap the header file include
in the necessary #ifdef to avoid build error.

https://bugzilla.gnome.org/show_bug.cgi?id=767553
 2016-06-27 22:44:56 +10:00
Matthew Waters
3be4b85a43 qmlglsink: add win32 support 
The current state of c++ ABI's on Window's and Gst's/Qt's conflicting
mingw builds means that we cannot use mingw for building the qt plugin.

Instead, a qmake .pro file is provided that is expected to be used with the
msvc binaries provided by Qt like so:

(with the PATH environment variable containing the path to the qt biniaries
and PKG_CONFIG_PATH containing the path to GStreamer modules)
cd /path/to/sources/gst-plugins-bad/ext/qt
qmake -tp vc

Then open the resulting VS project and build the library.  Then

cp debug/libgstqtsink.dll /path/to/prefix/lib/gstreamer-1.0/libgstqtsink.cll

https://bugzilla.gnome.org/show_bug.cgi?id=761260
 2016-06-22 14:26:05 +10:00
Sergey Borovkov
c9dd45393e qml: Enable qmlglsink for eglfs 
https://bugzilla.gnome.org/show_bug.cgi?id=763044
 2016-06-16 01:49:16 +10:00
Matthew Waters
486d3c3b59 qmlglsink: propagate GL context creation failure upwards 
Otherwise an application cannot know if the qmlglsink will be displaying frames
incorrectly/at all.
 2016-06-16 01:49:16 +10:00
Matthew Waters
f17e58f888 qmlglsink: also allow wayland-egl as a platform name 2016-06-16 01:49:16 +10:00
Haihua Hu
a07a9b0bc3 qmlglsink: Add Wayland support 
Don't use gstgldisplay to get wayland display. Should use QPA on wayland
to get wayland display for QT.

https://bugzilla.gnome.org/show_bug.cgi?id=767553
 2016-06-16 01:49:16 +10:00
Sergey Borovkov
c2f17d4834 qml: Fix leak of the OpenGL contexts 
[Matthew Waters]: add NULL checks before unreffing

https://bugzilla.gnome.org/show_bug.cgi?id=762999
 2016-03-03 13:13:26 +11:00
Matthew Waters
6c6a9cf509 qt: use a static_cast instead of dynamic one 
The dynamic_cast is a little but of overkill as the app will still crash if it
fails in the later g_assert.

Allows compilation with -fno-rtti

https://bugzilla.gnome.org/show_bug.cgi?id=762526
 2016-02-24 21:20:18 +11:00
Sergey Borovkov
472b396528 qmlglsink: Schedule onSceneGrpahInitialized to execute on render thread 
onSceneGraphInitialized() is called from non render thread currently when
scene graph is already initialized.

https://bugzilla.gnome.org/show_bug.cgi?id=761003
 2016-02-22 20:26:41 +11:00
Sergey Borovkov
1d41990b26 qml: Mark material dirty when texture buffer is updated 
Qt might not redraw the scene otherwise.

https://bugzilla.gnome.org/show_bug.cgi?id=758286
 2016-01-15 14:11:52 +11:00
Roman Nowicki
1dc889c6d0 qml: reuse existing GstQSGTexture 
Fixes a memory leak leaking the texture objects.

https://bugzilla.gnome.org/show_bug.cgi?id=758286
 2015-11-20 11:18:43 +11:00
Roman Nowicki
21ca4ac9d3 qml: proper initialization if scene is already initialized 
The scene graph can be initialized when the we receive window handle change
notification and so we will not receive a scenegraph initialization
notification.  Initialize ourself in this case.

https://bugzilla.gnome.org/show_bug.cgi?id=758337
 2015-11-20 09:41:56 +11:00
Matthew Waters
b2718cbd81 gl: be consistent in gobject boilerpate 
GST_GL_IS_* vs GST_IS_GL_*

git grep -l 'GST_GL_IS_' | xargs sed -i 's/GST_GL_IS_/GST_IS_GL_/g'
 2015-10-19 15:15:30 +11:00
Matthew Waters
c6d03bc7d4 qt: add support for building on osx/ios 
Including:
- Necessary configure checks
- Necessary compile time platform checks
- Necessary runtime qt iOS/OSX platform detection

https://bugzilla.gnome.org/show_bug.cgi?id=755100
 2015-10-02 22:29:45 +10:00
Luis de Bethencourt
704f97defd qml: remove overwritten value 
Value in tex is overwritten before being used. Removing it.

CID 1320715

https://bugzilla.gnome.org/show_bug.cgi?id=754253
 2015-09-28 18:17:22 +10:00
Matthew Waters
d47398de3b qt: add support for building/running on android 
Including:
- Necessary configure checks
- Necessary compile time platform checks
- Necessary runtime qt android platform detection
- Escaping GLsync definition with Qt's GLES2 implementation

https://bugzilla.gnome.org/show_bug.cgi?id=754466
 2015-09-28 16:47:00 +10:00
Matthew Waters
f1cb602476 gtk, qt: more specifically define the compile time requirements 
Otherwise we could include headers/configurations that will
never been installed.

https://bugzilla.gnome.org/show_bug.cgi?id=754732
 2015-09-10 13:11:06 +10:00
Nirbheek Chauhan
e99c591dc9 qmlsink: Ensure that at least one windowing system is available 
Otherwise, we'll just crash at runtime because the gl context is NULL

https://bugzilla.gnome.org/show_bug.cgi?id=754108
 2015-08-31 23:16:07 +01:00
Tim-Philipp Müller
9846984c63 gtk, qt, gl: fix typo in debug and error messages 2015-08-31 18:06:31 +01:00
Matthew Waters
b8bb4cc50f qml: implement the required multiple GL context synchonisation 
From GStreamer's GL context into the QML context
 2015-08-08 17:30:42 +02:00
Matthew Waters
e56df237ee glcontext: fix get_current_gl_api on x11/nvidia drivers 
They require to get_proc_address some functions through the
platform specific {glX,egl}GetProcAddress rather than the default
GL library symbol lookup.
 2015-07-18 18:18:22 +10:00
Edward Hervey
d1ad64fca7 configure/qt: Fix build without Qt5X11Extras 2015-07-10 14:01:59 +02:00
Matthew Waters
b1bbdceeb2 new qt5 qml GL video sink 
Very much in the same spirit as the Gtk GL sink

Two things are provided
1. A QQuickItem subclass that renders out RGBA filled GstGLMemory
   buffers that is instantiated from qml.
2. A sink element that will push buffers into (1)

To use
1. Declare the GstGLVideoItem in qml with an appropriate
   objectName property set.
2. Get the aforementioned GstGLVideoItem from qml using something like

QQmlApplicationEngine engine;
engine.load(QUrl(QStringLiteral("qrc:/main.qml")));

QObject *rootObject = engine.rootObjects().first();
QQuickItem *videoItem = rootObject->findChild<QQuickItem *> ("videoItem");

3. Set the videoItem on the sink

https://bugzilla.gnome.org/show_bug.cgi?id=752185
 2015-07-10 15:25:26 +10:00