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media: support OpenGL-based video playback on macOS

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If we have GStreamer on macOS we likely have support for CGL to get an
OpenGL context we can use. This provides the missing pieces to get
accelerated video playback in gtk4-widget-factory working.
This commit is contained in:
Christian Hergert 2022-02-16 21:27:10 -08:00
parent 9c1a66518b
commit 7ec9c5181d
1 changed files with 27 additions and 0 deletions
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27
modules/media/gtkgstsink.c
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@ -48,6 +48,10 @@
#include <gst/gl/egl/gstgldisplay_egl.h>
#endif
#ifdef GDK_WINDOWING_MACOS
#include <gdk/macos/gdkmacos.h>
#endif
#include <gst/gl/gstglfuncs.h>
enum {
@ -497,6 +501,29 @@ gtk_gst_sink_initialize_gl (GtkGstSink *self)
}
else
#endif
#if defined(GST_GL_HAVE_PLATFORM_CGL) && defined(GDK_WINDOWING_MACOS)
if (GDK_IS_MACOS_DISPLAY (display))
{
platform = GST_GL_PLATFORM_CGL;
GST_DEBUG_OBJECT (self, "got CGL on macOS!");
gl_api = gst_gl_context_get_current_gl_api (platform, NULL, NULL);
gl_handle = gst_gl_context_get_current_gl_context (platform);
if (gl_handle)
{
self->gst_display = gst_gl_display_new ();
self->gst_app_context = gst_gl_context_new_wrapped (self->gst_display, gl_handle, platform, gl_api);
}
else
{
GST_ERROR_OBJECT (self, "Failed to get handle from GdkGLContext, not using macOS CGL");
return FALSE;
}
}
else
#endif
#if GST_GL_HAVE_WINDOW_WIN32 && (GST_GL_HAVE_PLATFORM_WGL || GST_GL_HAVE_PLATFORM_EGL) && defined (GDK_WINDOWING_WIN32)
if (GDK_IS_WIN32_DISPLAY (display))
{