2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wim.taymans@chello.be>
5 * gstformat.h: Header for GstFormat types used in queries and
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
25 #ifndef __GST_FORMAT_H__
26 #define __GST_FORMAT_H__
33 GST_FORMAT_UNDEFINED = 0,
34 GST_FORMAT_DEFAULT = 1,
37 GST_FORMAT_BUFFERS = 4,
38 GST_FORMAT_PERCENT = 5,
39 /* samples for audio, frames/fields for video */
43 typedef struct _GstFormatDefinition GstFormatDefinition;
45 struct _GstFormatDefinition
52 #ifdef G_HAVE_ISO_VARARGS
53 #define GST_FORMATS_FUNCTION(functionname, ...) \
54 static const GstFormat* \
55 functionname (GstPad *pad) \
57 static const GstFormat formats[] = { \
63 #elif defined(G_HAVE_GNUC_VARARGS)
64 #define GST_FORMATS_FUNCTION(functionname, a...) \
65 static const GstFormat* \
66 functionname (GstPad *pad) \
68 static const GstFormat formats[] = { \
76 void _gst_format_initialize (void);
78 /* register a new format */
79 GstFormat gst_format_register (const gchar *nick,
80 const gchar *description);
81 GstFormat gst_format_get_by_nick (const gchar *nick);
83 /* query for format details */
84 const GstFormatDefinition*
85 gst_format_get_details (GstFormat format);
86 const GList* gst_format_get_definitions (void);
90 #endif /* __GST_FORMAT_H__ */