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aa94247770
Original commit message from CVS: Some interface implementations for video4linux/video4linux2 plugins: * a Tuner interface, with which one can select inputs and stations. Audio work is underway here, but unfinished. * A Xoverlay interface with which one can do simple overlay. Similar to the API of the v4l/Xv XFree86 extension. Widget implementation for GTK-2.0 coming up in the sandbox. * Colorbalance - for adapting colors (brightness, contrast, etc.) - pretty basic and maybe somewhat overdesigned. But it'll do for now. Apart from these interfaces, there's also a loadable library 'xwindowlistener' that listenes to X for the movement of a window and the overlap of other windows. This is partly copied from xawtv (and thus partly GPL :(), but it's needed for the xoverlay interface implementation in the v4l/v4l2 elements. Lastly, some small changes to remove redundant properties from the v4l/v4l2 elements since these can be done much simpler. Comments appreciated!
116 lines
3.3 KiB
C
116 lines
3.3 KiB
C
/* G-Streamer X11 Window event/motion listener
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* xwindowlistener.h: object definition
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __X_WINDOW_LISTENER_H__
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#define __X_WINDOW_LISTENER_H__
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#include <gst/gst.h>
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#include <X11/Xlib.h>
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G_BEGIN_DECLS
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#define GST_TYPE_X_WINDOW_LISTENER \
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(gst_x_window_listener_get_type())
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#define GST_X_WINDOW_LISTENER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_X_WINDOW_LISTENER, \
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GstXWindowListener))
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#define GST_X_WINDOW_LISTENER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_X_WINDOW_LISTENER, \
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GstXWindowListenerClass))
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#define GST_IS_X_WINDOW_LISTENER(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_X_WINDOW_LISTENER))
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#define GST_IS_X_WINDOW_LISTENER_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_X_WINDOW_LISTENER))
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typedef struct _GstXWindowListener GstXWindowListener;
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typedef struct _GstXWindowListenerClass GstXWindowListenerClass;
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typedef struct _GstXWindowClip GstXWindowClip;
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typedef void (* MapWindowFunc) (gpointer your_data,
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gboolean visible);
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typedef void (* SetWindowFunc) (gpointer your_data,
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gint x, gint y,
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gint w, gint h,
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GstXWindowClip *clips,
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gint num_clips);
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struct _GstXWindowClip {
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gint32 x_offset,
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y_offset,
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width,
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height;
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gpointer data;
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};
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struct _GstXWindowListener {
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GObject parent;
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/* "per-instance virtual functions" */
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MapWindowFunc map_window_func;
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SetWindowFunc set_window_func;
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/* private data with which we call the virtual functions */
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gpointer private_data;
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/* general information of what we're doing */
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gchar *display_name;
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XID xwindow_id;
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/* one extra... */
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Display *main_display;
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GMutex *main_lock;
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/* oh my g*d, this is going to be so horribly ugly */
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GThread *thread;
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gboolean cycle;
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/* the overlay window + own thread */
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Display *display;
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Drawable child;
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gboolean ov_conf,
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ov_map,
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ov_visible,
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ov_refresh,
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ov_move,
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ov_wmmap;
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gint ov_visibility;
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guint ov_conf_id,
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ov_refresh_id;
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gint x, y, w, h;
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GstXWindowClip *clips;
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gint num_clips;
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};
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struct _GstXWindowListenerClass {
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GObjectClass parent;
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};
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GType gst_x_window_listener_get_type (void);
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GstXWindowListener *
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gst_x_window_listener_new (gchar *display,
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MapWindowFunc map_window_func,
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SetWindowFunc set_window_func,
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gpointer private_data);
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void gst_x_window_listener_set_xid (GstXWindowListener *xwin,
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XID id);
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G_END_DECLS
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#endif /* __X_WINDOW_LISTENER_H__ */
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