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plugins: fix support for Wayland/EGL running alongside X11.

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When multiple display servers are available, the glimagesink element
(from GStreamer 1.4) may not be able to derive a global display in
Wayland. Rather, a "window"-specific display is created. In this case,
the GstGLDisplay handle available through GstGLContext is invalid.

So, try to improve heuristics for display server characterisation in
those particular situations.
This commit is contained in:
Gwenole Beauchesne 2015-01-23 09:31:57 +01:00
parent 60e96e80cc
commit 7343ce41cd
1 changed files with 34 additions and 2 deletions
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36
gst/vaapi/gstvaapipluginutil.c
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@ -148,6 +148,8 @@ gst_vaapi_create_display_from_gl_context (GstObject * gl_context_object)
#if USE_GST_GL_HELPERS
GstGLContext *const gl_context = GST_GL_CONTEXT (gl_context_object);
GstGLDisplay *const gl_display = gst_gl_context_get_display (gl_context);
gpointer native_display =
GSIZE_TO_POINTER (gst_gl_display_get_handle (gl_display));
GstVaapiDisplay *display, *out_display;
GstVaapiDisplayType display_type;
@ -162,6 +164,37 @@ gst_vaapi_create_display_from_gl_context (GstObject * gl_context_object)
display_type = GST_VAAPI_DISPLAY_TYPE_WAYLAND;
break;
#endif
case GST_GL_DISPLAY_TYPE_ANY:{
/* Derive from the active window */
GstGLWindow *const gl_window = gst_gl_context_get_window (gl_context);
const gchar *const gl_window_type = g_getenv ("GST_GL_WINDOW");
display_type = GST_VAAPI_DISPLAY_TYPE_ANY;
if (!gl_window)
break;
native_display = GSIZE_TO_POINTER (gst_gl_window_get_display (gl_window));
if (gl_window_type) {
#if USE_X11
if (!display_type && g_strcmp0 (gl_window_type, "x11") == 0)
display_type = GST_VAAPI_DISPLAY_TYPE_X11;
#endif
#if USE_WAYLAND
if (!display_type && g_strcmp0 (gl_window_type, "wayland") == 0)
display_type = GST_VAAPI_DISPLAY_TYPE_WAYLAND;
#endif
} else {
#if USE_X11
if (!display_type && GST_GL_HAVE_WINDOW_X11)
display_type = GST_VAAPI_DISPLAY_TYPE_X11;
#endif
#if USE_WAYLAND
if (!display_type && GST_GL_HAVE_WINDOW_WAYLAND)
display_type = GST_VAAPI_DISPLAY_TYPE_WAYLAND;
#endif
}
break;
}
default:
display_type = GST_VAAPI_DISPLAY_TYPE_ANY;
break;
@ -169,8 +202,7 @@ gst_vaapi_create_display_from_gl_context (GstObject * gl_context_object)
if (!display_type)
return NULL;
display = gst_vaapi_create_display_from_handle (display_type,
GSIZE_TO_POINTER (gst_gl_display_get_handle (gl_display)));
display = gst_vaapi_create_display_from_handle (display_type, native_display);
if (!display)
return NULL;