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window: add toplevel API to determine the colormap.

Browse source 
Add GstVaapiWindowClass::get_colormap() hook to help determine the
currently active colormap bound to the supplied window, or actually
create it if it does not already exist yet.
This commit is contained in:
Gwenole Beauchesne 2014-12-10 19:58:10 +01:00
parent e9f437167f
commit babae32432
4 changed files with 9 additions and 14 deletions
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6
gst-libs/gst/vaapi/gstvaapiwindow_glx.c
View file

@ -268,10 +268,10 @@ gst_vaapi_window_glx_create_colormap (GstVaapiWindow * window)
return priv->cmap;
}
static Colormap
static guintptr
gst_vaapi_window_glx_get_colormap (GstVaapiWindow * window)
{
return gst_vaapi_window_glx_create_colormap (window);
return GPOINTER_TO_SIZE (gst_vaapi_window_glx_create_colormap (window));
}
static gboolean
@ -321,7 +321,7 @@ gst_vaapi_window_glx_class_init (GstVaapiWindowGLXClass * klass)
klass->parent_finalize = GST_VAAPI_OBJECT_CLASS (klass)->finalize;
window_class->resize = gst_vaapi_window_glx_resize;
window_class->get_visual_id = gst_vaapi_window_glx_get_visual_id;
xwindow_class->get_colormap = gst_vaapi_window_glx_get_colormap;
window_class->get_colormap = gst_vaapi_window_glx_get_colormap;
}
GST_VAAPI_OBJECT_DEFINE_CLASS_WITH_CODE (GstVaapiWindowGLX,

4
gst-libs/gst/vaapi/gstvaapiwindow_priv.h
View file

@ -53,6 +53,7 @@ typedef gboolean (*GstVaapiWindowRenderPixmapFunc) (GstVaapiWindow * window,
GstVaapiPixmap * pixmap, const GstVaapiRectangle * src_rect,
const GstVaapiRectangle * dst_rect);
typedef guintptr (*GstVaapiWindowGetVisualIdFunc) (GstVaapiWindow * window);
typedef guintptr (*GstVaapiWindowGetColormapFunc) (GstVaapiWindow * window);
/**
* GstVaapiWindow:
@ -85,6 +86,8 @@ struct _GstVaapiWindow
* @render: virtual function to render a #GstVaapiSurface into a window
* @get_visual_id: virtual function to get the desired visual id used to
* create the window
* @get_colormap: virtual function to get the desired colormap used to
* create the window, or the currently allocated one
*
* Base class for system-dependent windows.
*/
@ -103,6 +106,7 @@ struct _GstVaapiWindowClass
GstVaapiWindowRenderFunc render;
GstVaapiWindowRenderPixmapFunc render_pixmap;
GstVaapiWindowGetVisualIdFunc get_visual_id;
GstVaapiWindowGetColormapFunc get_colormap;
};
GstVaapiWindow *

9
gst-libs/gst/vaapi/gstvaapiwindow_x11.c
View file

@ -217,7 +217,6 @@ gst_vaapi_window_x11_create (GstVaapiWindow * window, guint * width,
guint vid = 0;
Colormap cmap = None;
const GstVaapiWindowClass *window_class;
const GstVaapiWindowX11Class *klass;
XWindowAttributes wattr;
Atom atoms[2];
gboolean ok;
@ -243,12 +242,8 @@ gst_vaapi_window_x11_create (GstVaapiWindow * window, guint * width,
if (window_class) {
if (window_class->get_visual_id)
vid = window_class->get_visual_id (window);
}
klass = GST_VAAPI_WINDOW_X11_GET_CLASS (window);
if (klass) {
if (klass->get_colormap)
cmap = klass->get_colormap (window);
if (window_class->get_colormap)
cmap = window_class->get_colormap (window);
}
GST_VAAPI_OBJECT_LOCK_DISPLAY (window);

4
gst-libs/gst/vaapi/gstvaapiwindow_x11_priv.h
View file

@ -72,8 +72,6 @@ struct _GstVaapiWindowX11
/**
* GstVaapiWindowX11Class:
* @get_colormap: virtual function to get the desired colormap used to
* create the window
*
* An X11 #Window wrapper class.
*/
@ -81,8 +79,6 @@ struct _GstVaapiWindowX11Class
{
/*< private >*/
GstVaapiWindowClass parent_class;
Colormap (*get_colormap) (GstVaapiWindow * window);
};
void