2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wim.taymans@chello.be>
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
23 #ifndef __GST_OSS_ELEMENT_H__
24 #define __GST_OSS_ELEMENT_H__
28 /* debugging category */
29 GST_DEBUG_CATEGORY_EXTERN (oss_debug);
30 #define GST_CAT_DEFAULT oss_debug
33 #define GST_TYPE_OSSELEMENT \
34 (gst_osselement_get_type())
35 #define GST_OSSELEMENT(obj) \
36 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OSSELEMENT,GstOssElement))
37 #define GST_OSSELEMENT_CLASS(klass) \
38 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OSSELEMENT,GstOssElementClass))
39 #define GST_IS_OSSELEMENT(obj) \
40 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OSSELEMENT))
41 #define GST_IS_OSSELEMENT_CLASS(obj) \
42 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OSSELEMENT))
43 #define GST_OSSELEMENT_GET_CLASS(obj) \
44 (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_OSSELEMENT, GstOssElementClass))
45 typedef struct _GstOssElement GstOssElement;
46 typedef struct _GstOssElementClass GstOssElementClass;
54 typedef struct _GstOssDeviceCombination
58 } GstOssDeviceCombination;
62 /* yes, we're a gstelement too */
65 gchar *device, *mixer_dev;
69 int caps; /* the capabilities */
72 guint64 fragment_time;
76 /* stats bytes per *second* */
90 guint32 stereomask, recdevs, recmask, mixcaps;
95 struct _GstOssElementClass
97 GstElementClass klass;
99 GList *device_combinations;
102 GType gst_osselement_get_type (void);
104 /* some useful functions */
105 gboolean gst_osselement_parse_caps (GstOssElement * oss, const GstCaps * caps);
106 gboolean gst_osselement_merge_fixed_caps (GstOssElement * oss, GstCaps * caps);
108 gboolean gst_osselement_sync_parms (GstOssElement * oss);
109 void gst_osselement_reset (GstOssElement * oss);
111 gboolean gst_osselement_convert (GstOssElement * oss,
112 GstFormat src_format,
113 gint64 src_value, GstFormat * dest_format, gint64 * dest_value);
116 #endif /* __GST_OSS_ELEMENT_H__ */