2 * (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
4 * ebml-read.c: read EBML data from file/stream
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
22 #ifndef __GST_EBML_READ_H__
23 #define __GST_EBML_READ_H__
27 #include <gst/bytestream/bytestream.h>
30 #define GST_TYPE_EBML_READ \
31 (gst_ebml_read_get_type ())
32 #define GST_EBML_READ(obj) \
33 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_EBML_READ, GstEbmlRead))
34 #define GST_EBML_READ_CLASS(klass) \
35 (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_EBML_READ, GstEbmlReadClass))
36 #define GST_IS_EBML_READ(obj) \
37 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_EBML_READ))
38 #define GST_IS_EBML_READ_CLASS(obj) \
39 (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_EBML_READ))
40 #define GST_EBML_READ_GET_CLASS(obj) \
41 (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_EBML_READ, GstEbmlReadClass))
42 typedef struct _GstEbmlLevel
44 guint64 start, length;
47 typedef struct _GstEbmlRead
57 typedef struct _GstEbmlReadClass
59 GstElementClass parent;
62 GType gst_ebml_read_get_type (void);
64 guint32 gst_ebml_peek_id (GstEbmlRead * ebml, guint * level_up);
65 GstEvent *gst_ebml_read_seek (GstEbmlRead * ebml, guint64 offset);
66 gboolean gst_ebml_read_skip (GstEbmlRead * ebml);
67 gboolean gst_ebml_read_buffer (GstEbmlRead * ebml,
68 guint32 * id, GstBuffer ** buf);
69 gboolean gst_ebml_read_uint (GstEbmlRead * ebml, guint32 * id, guint64 * num);
70 gboolean gst_ebml_read_sint (GstEbmlRead * ebml, guint32 * id, gint64 * num);
71 gboolean gst_ebml_read_float (GstEbmlRead * ebml, guint32 * id, gdouble * num);
72 gboolean gst_ebml_read_ascii (GstEbmlRead * ebml, guint32 * id, gchar ** str);
73 gboolean gst_ebml_read_utf8 (GstEbmlRead * ebml, guint32 * id, gchar ** str);
74 gboolean gst_ebml_read_date (GstEbmlRead * ebml, guint32 * id, gint64 * date);
75 gboolean gst_ebml_read_master (GstEbmlRead * ebml, guint32 * id);
76 gboolean gst_ebml_read_binary (GstEbmlRead * ebml,
77 guint32 * id, guint8 ** binary, guint64 * length);
78 gboolean gst_ebml_read_header (GstEbmlRead * read,
79 gchar ** doctype, guint * version);
82 #endif /* __GST_EBML_READ_H__ */