gstreamer/sys/ximage/ximagepool.h

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/* GStreamer
* Copyright (C) <2005> Julien Moutte <julien@moutte.net>
*
* 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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_XIMAGEPOOL_H__
#define __GST_XIMAGEPOOL_H__
#ifdef HAVE_XSHM
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#endif /* HAVE_XSHM */
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#ifdef HAVE_XSHM
#include <X11/extensions/XShm.h>
#endif /* HAVE_XSHM */
#include <string.h>
#include <math.h>
G_BEGIN_DECLS
typedef struct _GstMetaXImage GstMetaXImage;
typedef struct _GstXImageBufferPool GstXImageBufferPool;
typedef struct _GstXImageBufferPoolClass GstXImageBufferPoolClass;
typedef struct _GstXImageBufferPoolPrivate GstXImageBufferPoolPrivate;
#include "ximagesink.h"
const GstMetaInfo * gst_meta_ximage_get_info (void);
#define GST_META_INFO_XIMAGE (gst_meta_ximage_get_info())
#define gst_buffer_get_meta_ximage(b) ((GstMetaXImage*)gst_buffer_get_meta((b),GST_META_INFO_XIMAGE))
GstMetaXImage * gst_buffer_add_meta_ximage (GstBuffer *buffer, GstXImageSink * ximagesink,
gint width, gint height);
/**
* GstMetaXImage:
* @simagesink: a reference to the our #GstXImageSink
* @ximage: the XImage of this buffer
* @width: the width in pixels of XImage @ximage
* @height: the height in pixels of XImage @ximage
* @size: the size in bytes of XImage @ximage
*
* Subclass of #GstMeta containing additional information about an XImage.
*/
struct _GstMetaXImage
{
GstMeta meta;
/* Reference to the ximagesink we belong to */
GstXImageSink *sink;
XImage *ximage;
#ifdef HAVE_XSHM
XShmSegmentInfo SHMInfo;
#endif /* HAVE_XSHM */
gint width, height;
size_t size;
};
GstBuffer * gst_ximage_buffer_new (GstXImageSink *ximagesink, gint width, gint height);
/* buffer pool functions */
#define GST_TYPE_XIMAGE_BUFFER_POOL (gst_ximage_buffer_pool_get_type())
#define GST_IS_XIMAGE_BUFFER_POOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_XIMAGE_BUFFER_POOL))
#define GST_XIMAGE_BUFFER_POOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_XIMAGE_BUFFER_POOL, GstXImageBufferPool))
#define GST_XIMAGE_BUFFER_POOL_CAST(obj) ((GstXImageBufferPool*)(obj))
struct _GstXImageBufferPool
{
GstBufferPool bufferpool;
GstXImageSink *sink;
GstXImageBufferPoolPrivate *priv;
};
struct _GstXImageBufferPoolClass
{
GstBufferPoolClass parent_class;
};
GType gst_ximage_buffer_pool_get_type (void);
GstBufferPool * gst_ximage_buffer_pool_new (GstXImageSink * ximagesink);
gboolean gst_ximagesink_check_xshm_calls (GstXImageSink * ximagesink,
GstXContext * xcontext);
G_END_DECLS
#endif /* __GST_XIMAGEPOOL_H__ */