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113 lines
3 KiB
C
113 lines
3 KiB
C
/* GStreamer
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* Copyright (C) <2005> Julien Moutte <julien@moutte.net>
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_XIMAGEPOOL_H__
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#define __GST_XIMAGEPOOL_H__
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#ifdef HAVE_XSHM
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#include <sys/types.h>
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#endif /* HAVE_XSHM */
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#ifdef HAVE_XSHM
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#include <X11/extensions/XShm.h>
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#endif /* HAVE_XSHM */
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#include <string.h>
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#include <math.h>
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G_BEGIN_DECLS
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typedef struct _GstXImageMemory GstXImageMemory;
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typedef struct _GstXImageBufferPool GstXImageBufferPool;
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typedef struct _GstXImageBufferPoolClass GstXImageBufferPoolClass;
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#include "ximagesink.h"
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/**
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* GstXImageMemory:
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* @sink: a reference to the our #GstXImageSink
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* @ximage: the XImage of this buffer
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* @width: the width in pixels of XImage @ximage
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* @height: the height in pixels of XImage @ximage
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* @size: the size in bytes of XImage @ximage
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*
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* Subclass of #GstMemory containing additional information about an XImage.
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*/
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struct _GstXImageMemory
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{
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GstMemory parent;
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/* Reference to the ximagesink we belong to */
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GstXImageSink *sink;
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XImage *ximage;
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#ifdef HAVE_XSHM
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XShmSegmentInfo SHMInfo;
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#endif /* HAVE_XSHM */
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gint x, y;
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gint width, height;
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size_t size;
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};
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/* buffer pool functions */
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#define GST_TYPE_XIMAGE_BUFFER_POOL (gst_ximage_buffer_pool_get_type())
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#define GST_IS_XIMAGE_BUFFER_POOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_XIMAGE_BUFFER_POOL))
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#define GST_XIMAGE_BUFFER_POOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_XIMAGE_BUFFER_POOL, GstXImageBufferPool))
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#define GST_XIMAGE_BUFFER_POOL_CAST(obj) ((GstXImageBufferPool*)(obj))
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struct _GstXImageBufferPool
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{
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GstBufferPool bufferpool;
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GstXImageSink *sink;
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GstAllocator *allocator;
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GstCaps *caps;
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GstVideoInfo info;
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GstVideoAlignment align;
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guint padded_width;
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guint padded_height;
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gboolean add_metavideo;
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gboolean need_alignment;
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};
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struct _GstXImageBufferPoolClass
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{
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GstBufferPoolClass parent_class;
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};
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GType gst_ximage_buffer_pool_get_type (void);
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GstBufferPool * gst_ximage_buffer_pool_new (GstXImageSink * ximagesink);
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gboolean gst_ximagesink_check_xshm_calls (GstXImageSink * ximagesink,
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GstXContext * xcontext);
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G_END_DECLS
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#endif /* __GST_XIMAGEPOOL_H__ */
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