gstreamer/gst/elements/gstfilesrc.h

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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstfilesrc.h:
*
* 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_FILESRC_H__
#define __GST_FILESRC_H__
#include <gst/gst.h>
#include <sys/types.h>
G_BEGIN_DECLS
#define GST_TYPE_FILESRC \
(gst_filesrc_get_type())
#define GST_FILESRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FILESRC,GstFileSrc))
#define GST_FILESRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FILESRC,GstFileSrcClass))
#define GST_IS_FILESRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FILESRC))
#define GST_IS_FILESRC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FILESRC))
typedef enum {
GST_FILESRC_OPEN = GST_ELEMENT_FLAG_LAST,
GST_FILESRC_FLAG_LAST = GST_ELEMENT_FLAG_LAST + 2
} GstFileSrcFlags;
typedef struct _GstFileSrc GstFileSrc;
typedef struct _GstFileSrcClass GstFileSrcClass;
struct _GstFileSrc {
GstElement element;
GstPad *srcpad;
guint pagesize; /* system page size*/
gchar *filename; /* filename */
gint fd; /* open file descriptor*/
off_t filelen; /* what's the file length?*/
off_t curoffset; /* current offset in file*/
off_t block_size; /* bytes per read */
gboolean touch; /* whether to touch every page */
gboolean using_mmap;
GstBuffer *mapbuf;
size_t mapsize;
GTree *map_regions;
GMutex *map_regions_lock;
gboolean seek_happened;
gboolean need_flush;
};
struct _GstFileSrcClass {
GstElementClass parent_class;
};
GType gst_filesrc_get_type(void);
G_END_DECLS
#endif /* __GST_FILESRC_H__ */