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glimagesink: Add navigation interface and callbacks for GstGLWindow mouse/key signals

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=703486
This commit is contained in:
Vasilis Liaskovitis 2014-07-07 00:20:01 +03:00 committed by Tim-Philipp Müller
parent 6b38d58427
commit c064e4e75e
2 changed files with 55 additions and 0 deletions
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53
ext/gl/gstglimagesink.c
View file

@ -84,6 +84,7 @@
#endif
#include <gst/video/videooverlay.h>
#include <gst/video/navigation.h>
#include "gstglimagesink.h"
@ -182,10 +183,36 @@ enum
static guint gst_glimage_sink_signals[LAST_SIGNAL] = { 0 };
static void
gst_glimage_sink_navigation_send_event (GstNavigation * navigation, GstStructure
* structure)
{
GstGLImageSink *sink = GST_GLIMAGE_SINK (navigation);
GstEvent *event = NULL;
GstPad *pad = NULL;
event = gst_event_new_navigation (structure);
pad = gst_pad_get_peer (GST_VIDEO_SINK_PAD (sink));
if (GST_IS_PAD (pad) && GST_IS_EVENT (event))
gst_pad_send_event (pad, event);
gst_object_unref (pad);
}
static void
gst_glimage_sink_navigation_interface_init (GstNavigationInterface * iface)
{
iface->send_event = gst_glimage_sink_navigation_send_event;
}
#define gst_glimage_sink_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstGLImageSink, gst_glimage_sink,
GST_TYPE_VIDEO_SINK, G_IMPLEMENT_INTERFACE (GST_TYPE_VIDEO_OVERLAY,
gst_glimage_sink_video_overlay_init);
G_IMPLEMENT_INTERFACE (GST_TYPE_NAVIGATION,
gst_glimage_sink_navigation_interface_init);
GST_DEBUG_CATEGORY_INIT (gst_debug_glimage_sink, "glimagesink", 0,
"OpenGL Video Sink"));
@ -390,6 +417,26 @@ gst_glimage_sink_get_property (GObject * object, guint prop_id,
}
}
static void
gst_glimage_sink_key_event_cb (GstGLWindow * window, char *event_name, char
*key_string, GstGLImageSink * gl_sink)
{
GST_DEBUG_OBJECT (gl_sink, "glimagesink event %s key %s pressed", event_name,
key_string);
gst_navigation_send_key_event (GST_NAVIGATION (gl_sink),
event_name, key_string);
}
static void
gst_glimage_sink_mouse_event_cb (GstGLWindow * window, char *event_name,
int button, double posx, double posy, GstGLImageSink * gl_sink)
{
GST_DEBUG_OBJECT (gl_sink, "glimagesink event %s at %g, %g", event_name, posx,
posy, gl_sink);
gst_navigation_send_mouse_event (GST_NAVIGATION (gl_sink),
event_name, button, posx, posy);
}
static gboolean
_ensure_gl_setup (GstGLImageSink * gl_sink)
{
@ -431,6 +478,10 @@ _ensure_gl_setup (GstGLImageSink * gl_sink)
gst_gl_window_set_close_callback (window,
GST_GL_WINDOW_CB (gst_glimage_sink_on_close),
gst_object_ref (gl_sink), (GDestroyNotify) gst_object_unref);
gl_sink->key_sig_id = g_signal_connect (window, "key-event", G_CALLBACK
(gst_glimage_sink_key_event_cb), gl_sink);
gl_sink->mouse_sig_id = g_signal_connect (window, "mouse-event", G_CALLBACK
(gst_glimage_sink_mouse_event_cb), gl_sink);
gst_object_unref (window);
}
@ -1182,6 +1233,8 @@ gst_glimage_sink_on_close (GstGLImageSink * gl_sink)
gst_gl_context_set_error (gl_sink->context, "Output window was closed");
g_atomic_int_set (&gl_sink->to_quit, 1);
g_signal_handler_disconnect (gl_sink, gl_sink->key_sig_id);
g_signal_handler_disconnect (gl_sink, gl_sink->mouse_sig_id);
}
static gboolean

2
ext/gl/gstglimagesink.h
View file

@ -56,6 +56,8 @@ struct _GstGLImageSink
guintptr window_id;
guintptr new_window_id;
gulong mouse_sig_id;
gulong key_sig_id;
//caps
GstVideoInfo info;