gstreamer/libs/gst/bytestream/filepad.h
Benjamin Otte 5e2e65c734 libs/gst/bytestream/filepad.*: add 2 new functions
Original commit message from CVS:
* libs/gst/bytestream/filepad.c: (gst_file_pad_available),
(gst_file_pad_get_length):
* libs/gst/bytestream/filepad.h:
add 2 new functions
2004-06-24 02:18:59 +00:00

97 lines
2.9 KiB
C

/* GStreamer
* Copyright (C) 2004 Benjamin Otte <otte@gnome.org>
*
* 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.
*/
#include <gst/gst.h>
#include <gst/bytestream/adapter.h>
#ifndef __GST_FILE_PAD_H__
#define __GST_FILE_PAD_H__
G_BEGIN_DECLS
#define GST_TYPE_FILE_PAD \
(gst_file_pad_get_type())
#define GST_FILE_PAD(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FILE_PAD,GstFilePad))
#define GST_FILE_PAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FILE_PAD,GstFilePadClass))
#define GST_IS_FILE_PAD(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FILE_PAD))
#define GST_IS_FILE_PAD_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FILE_PAD))
typedef struct _GstFilePad GstFilePad;
typedef struct _GstFilePadClass GstFilePadClass;
typedef void (* GstFilePadIterateFunction) (GstFilePad *pad);
struct _GstFilePad {
GstRealPad pad;
GstAdapter * adapter;
gint64 position; /* FIXME: add to adapter? */
gboolean in_seek;
gboolean eos;
int error_number;
GstFilePadIterateFunction iterate_func;
GstPadEventFunction event_func;
gpointer _gst_reserved[GST_PADDING];
};
struct _GstFilePadClass {
GstRealPadClass parent_class;
gpointer _gst_reserved[GST_PADDING];
};
GType gst_file_pad_get_type (void);
/* FIXME: need this? */
GstPad * gst_file_pad_new (GstPadTemplate* templ,
gchar *name);
void gst_file_pad_set_event_function (GstFilePad *file_pad,
GstPadEventFunction event);
void gst_file_pad_set_iterate_function (GstFilePad *file_pad,
GstFilePadIterateFunction iterate);
guint gst_file_pad_available (GstFilePad *pad);
gint64 gst_file_pad_get_length (GstFilePad *pad);
/* this is a file like interface */
/* FIXME: is gint64 the correct type? (it must be signed to get error return vals */
gint64 gst_file_pad_read (GstFilePad *pad,
void *buf,
gint64 count);
gint64 gst_file_pad_try_read (GstFilePad *pad,
void *buf,
gint64 count);
int gst_file_pad_seek (GstFilePad *pad,
gint64 offset,
GstSeekType whence);
gint64 gst_file_pad_tell (GstFilePad *pad);
int gst_file_pad_error (GstFilePad *pad);
int gst_file_pad_eof (GstFilePad *pad);
G_END_DECLS
#endif /* __GST_FILE_PAD_H__ */