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/* GStreamer
* Copyright (C) 2009 Carl-Anton Ingmarsson <>
* Copyright (C) 2005 Julien Moutte <>
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* Library General Public License for more details.
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
#ifndef __GST_VDP_SINK_H__
#define __GST_VDP_SINK_H__
#include <gst/video/gstvideosink.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <string.h>
#include <math.h>
#include "gstvdpdevice.h"
#define GST_VDP_SINK(obj) \
#define GST_VDP_SINK_CLASS(klass) \
#define GST_IS_VDP_SINK(obj) \
#define GST_IS_VDP_SINK_CLASS(klass) \
typedef struct _GstXContext GstXContext;
typedef struct _GstVdpWindow GstVdpWindow;
typedef struct _VdpSink VdpSink;
typedef struct _VdpSinkClass VdpSinkClass;
* GstVdpWindow:
* @win: the Window ID of this X11 window
* @target the VdpPresentationQueueTarget of this window
* @queue the VdpPresentationQueue of this window
* @width: the width in pixels of Window @win
* @height: the height in pixels of Window @win
* @internal: used to remember if Window @win was created internally or passed
* through the #GstXOverlay interface
* Structure used to store informations about a Window.
struct _GstVdpWindow {
Window win;
VdpPresentationQueueTarget target;
VdpPresentationQueue queue;
gint width, height;
gboolean internal;
* VdpSink:
* @display_name: the name of the Display we want to render to
* @device: the GstVdpDevice associated with the display_name
* @window: the #GstVdpWindow we are rendering to
* @cur_image: a reference to the last #GstBuffer that was put to @window. It
* is used when Expose events are received to redraw the latest video frame
* @event_thread: a thread listening for events on @window and handling them
* @running: used to inform @event_thread if it should run/shutdown
* @fps_n: the framerate fraction numerator
* @fps_d: the framerate fraction denominator
* @x_lock: used to protect X calls as we are not using the XLib in threaded
* mode
* @flow_lock: used to protect data flow routines from external calls such as
* events from @event_thread or methods from the #GstXOverlay interface
* @par: used to override calculated pixel aspect ratio from @xcontext
* @synchronous: used to store if XSynchronous should be used or not (for
* debugging purpose only)
* @handle_events: used to know if we should handle select XEvents or not
* The #VdpSink data structure.
struct _VdpSink {
/* Our element stuff */
GstVideoSink videosink;
char *display_name;
GstVdpDevice *device;
GstBufferPool *bpool;
GstCaps *caps;
GstVdpWindow *window;
GstBuffer *cur_image;
GThread *event_thread;
gboolean running;
/* Framerate numerator and denominator */
gint fps_n;
gint fps_d;
GMutex *device_lock;
GMutex *x_lock;
GMutex *flow_lock;
/* object-set pixel aspect ratio */
GValue *par;
gboolean synchronous;
gboolean handle_events;
gboolean handle_expose;
/* stream metadata */
gchar *media_title;
struct _VdpSinkClass {
GstVideoSinkClass parent_class;
GType gst_vdp_sink_get_type(void);
#endif /* __GST_VDP_SINK_H__ */