gstreamer/plugins/elements/gstfdsrc.h

/* GStreamer
 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
 *                    2000 Wim Taymans <wtay@chello.be>
 *
 * gstfdsrc.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_FDSRC_H__
#define __GST_FDSRC_H__

#include <gst/gst.h>

G_BEGIN_DECLS


#define GST_TYPE_FDSRC \
  (gst_fdsrc_get_type())
#define GST_FDSRC(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FDSRC,GstFdSrc))
#define GST_FDSRC_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FDSRC,GstFdSrcClass))
#define GST_IS_FDSRC(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FDSRC))
#define GST_IS_FDSRC_CLASS(obj) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FDSRC))


typedef struct _GstFdSrc GstFdSrc;
typedef struct _GstFdSrcClass GstFdSrcClass;

struct _GstFdSrc {
  GstElement element;
  /* pads */
  GstPad *srcpad;

  /* fd */
  gint fd;
  gboolean interrupted;
  gchar *uri;

  gulong curoffset; /* current offset in file */
  gulong blocksize; /* bytes per read */
  guint64 timeout;  /* read timeout, in nanoseconds */
  
  gulong seq;       /* buffer sequence number */
};

struct _GstFdSrcClass {
  GstElementClass parent_class;

  /* signals */
  void (*timeout) (GstElement *element);
};

GType gst_fdsrc_get_type(void);

G_END_DECLS

#endif /* __GST_FDSRC_H__ */