mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-08 13:18:52 +00:00
Merged GstVideoOverlay features here.
Original commit message from CVS: Merged GstVideoOverlay features here.
This commit is contained in:
parent
21d8a397eb
commit
4653e15653
2 changed files with 96 additions and 9 deletions
|
@ -25,7 +25,15 @@
|
||||||
|
|
||||||
#include "xoverlay.h"
|
#include "xoverlay.h"
|
||||||
|
|
||||||
static void gst_x_overlay_class_init (GstXOverlayClass *klass);
|
enum {
|
||||||
|
HAVE_XWINDOW_ID,
|
||||||
|
HAVE_SIZE,
|
||||||
|
LAST_SIGNAL
|
||||||
|
};
|
||||||
|
|
||||||
|
static guint gst_x_overlay_signals[LAST_SIGNAL] = { 0 };
|
||||||
|
|
||||||
|
static void gst_x_overlay_base_init (gpointer g_class);
|
||||||
|
|
||||||
GType
|
GType
|
||||||
gst_x_overlay_get_type (void)
|
gst_x_overlay_get_type (void)
|
||||||
|
@ -35,7 +43,7 @@ gst_x_overlay_get_type (void)
|
||||||
if (!gst_x_overlay_type) {
|
if (!gst_x_overlay_type) {
|
||||||
static const GTypeInfo gst_x_overlay_info = {
|
static const GTypeInfo gst_x_overlay_info = {
|
||||||
sizeof (GstXOverlayClass),
|
sizeof (GstXOverlayClass),
|
||||||
(GBaseInitFunc) gst_x_overlay_class_init,
|
gst_x_overlay_base_init,
|
||||||
NULL,
|
NULL,
|
||||||
NULL,
|
NULL,
|
||||||
NULL,
|
NULL,
|
||||||
|
@ -56,15 +64,43 @@ gst_x_overlay_get_type (void)
|
||||||
}
|
}
|
||||||
|
|
||||||
static void
|
static void
|
||||||
gst_x_overlay_class_init (GstXOverlayClass *klass)
|
gst_x_overlay_base_init (gpointer g_class)
|
||||||
{
|
{
|
||||||
/* default virtual functions */
|
static gboolean initialized = FALSE;
|
||||||
klass->set_xwindow_id = NULL;
|
|
||||||
|
if (! initialized)
|
||||||
|
{
|
||||||
|
gst_x_overlay_signals[HAVE_SIZE] =
|
||||||
|
g_signal_new ("have_size",
|
||||||
|
GST_TYPE_X_OVERLAY, G_SIGNAL_RUN_LAST,
|
||||||
|
G_STRUCT_OFFSET (GstXOverlayClass, have_size),
|
||||||
|
NULL, NULL,
|
||||||
|
gst_marshal_VOID__INT_INT, G_TYPE_NONE, 2,
|
||||||
|
G_TYPE_UINT, G_TYPE_UINT);
|
||||||
|
|
||||||
|
gst_x_overlay_signals[HAVE_XWINDOW_ID] =
|
||||||
|
g_signal_new ("have_xwindow_id",
|
||||||
|
GST_TYPE_X_OVERLAY, G_SIGNAL_RUN_LAST,
|
||||||
|
G_STRUCT_OFFSET (GstXOverlayClass, have_xwindow_id),
|
||||||
|
NULL, NULL,
|
||||||
|
g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1,
|
||||||
|
G_TYPE_POINTER);
|
||||||
|
|
||||||
|
initialized = TRUE;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* gst_x_overlay_set_xwindow_id:
|
||||||
|
* @overlay: a #GstXOverlay to set the XWindow on.
|
||||||
|
* @xwindow_id: a #XID referencing the XWindow.
|
||||||
|
*
|
||||||
|
* This will call the video overlay's set_xwindow_id method. You should
|
||||||
|
* use this method to tell to a XOverlay to display video output to a
|
||||||
|
* specific XWindow.
|
||||||
|
*/
|
||||||
void
|
void
|
||||||
gst_x_overlay_set_xwindow_id (GstXOverlay *overlay,
|
gst_x_overlay_set_xwindow_id (GstXOverlay *overlay, XID xwindow_id)
|
||||||
XID xwindow_id)
|
|
||||||
{
|
{
|
||||||
GstXOverlayClass *klass = GST_X_OVERLAY_GET_CLASS (overlay);
|
GstXOverlayClass *klass = GST_X_OVERLAY_GET_CLASS (overlay);
|
||||||
|
|
||||||
|
@ -72,3 +108,43 @@ gst_x_overlay_set_xwindow_id (GstXOverlay *overlay,
|
||||||
klass->set_xwindow_id (overlay, xwindow_id);
|
klass->set_xwindow_id (overlay, xwindow_id);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* gst_x_overlay_got_xwindow_id:
|
||||||
|
* @overlay: a #GstXOverlay which got a XWindow.
|
||||||
|
* @xwindow_id: a #XID referencing the XWindow.
|
||||||
|
*
|
||||||
|
* This will fire an have_xwindow_id signal.
|
||||||
|
*
|
||||||
|
* This function should be used by video overlay developpers.
|
||||||
|
*/
|
||||||
|
void
|
||||||
|
gst_x_overlay_got_xwindow_id (GstXOverlay *overlay, XID xwindow_id)
|
||||||
|
{
|
||||||
|
g_return_if_fail (overlay != NULL);
|
||||||
|
g_return_if_fail (GST_IS_X_OVERLAY (overlay));
|
||||||
|
|
||||||
|
g_signal_emit (G_OBJECT (overlay),
|
||||||
|
gst_x_overlay_signals[HAVE_XWINDOW_ID], 0, xwindow_id);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* gst_x_overlay_got_video_size:
|
||||||
|
* @overlay: a #GstXOverlay which received video geometry.
|
||||||
|
* @width: a width as a #gint.
|
||||||
|
* @height: a height as a #gint.
|
||||||
|
*
|
||||||
|
* This will fire an have_size signal.
|
||||||
|
*
|
||||||
|
* This function should be used by video overlay developpers.
|
||||||
|
*/
|
||||||
|
void
|
||||||
|
gst_x_overlay_got_video_size (GstXOverlay *overlay,
|
||||||
|
gint width, gint height)
|
||||||
|
{
|
||||||
|
g_return_if_fail (overlay != NULL);
|
||||||
|
g_return_if_fail (GST_IS_X_OVERLAY (overlay));
|
||||||
|
|
||||||
|
g_signal_emit (G_OBJECT (overlay), gst_x_overlay_signals[HAVE_SIZE],
|
||||||
|
0, width, height);
|
||||||
|
}
|
||||||
|
|
|
@ -1,5 +1,6 @@
|
||||||
/* GStreamer X-based Overlay
|
/* GStreamer X-based Overlay
|
||||||
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
|
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
|
||||||
|
* Copyright (C) 2003 Julien Moutte <julien@moutte.net>
|
||||||
*
|
*
|
||||||
* x-overlay.h: X-based overlay interface design
|
* x-overlay.h: X-based overlay interface design
|
||||||
*
|
*
|
||||||
|
@ -48,13 +49,23 @@ typedef struct _GstXOverlayClass {
|
||||||
/* virtual functions */
|
/* virtual functions */
|
||||||
void (* set_xwindow_id) (GstXOverlay *overlay,
|
void (* set_xwindow_id) (GstXOverlay *overlay,
|
||||||
XID xwindow_id);
|
XID xwindow_id);
|
||||||
|
|
||||||
|
/* signals */
|
||||||
|
void (*have_xwindow_id) (GstXOverlay *overlay,
|
||||||
|
XID xwindow_id);
|
||||||
|
void (*have_size) (GstXOverlay *overlay, gint width, gint height);
|
||||||
|
|
||||||
} GstXOverlayClass;
|
} GstXOverlayClass;
|
||||||
|
|
||||||
GType gst_x_overlay_get_type (void);
|
GType gst_x_overlay_get_type (void);
|
||||||
|
|
||||||
/* virtual class function wrappers */
|
/* virtual class function wrappers */
|
||||||
void gst_x_overlay_set_xwindow_id (GstXOverlay *overlay,
|
void gst_x_overlay_set_xwindow_id (GstXOverlay *overlay, XID xwindow_id);
|
||||||
XID xwindow_id);
|
|
||||||
|
/* public methods to fire signals */
|
||||||
|
void gst_x_overlay_got_xwindow_id (GstXOverlay *overlay, XID xwindow_id);
|
||||||
|
void gst_x_overlay_got_video_size (GstXOverlay *overlay,
|
||||||
|
gint width, gint height);
|
||||||
|
|
||||||
G_END_DECLS
|
G_END_DECLS
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue