1 /* GStreamer
2  * Copyright (C) <2002> David A. Schleef <ds@schleef.org>
3  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
4  * Copyright (C) <2015> British Broadcasting Corporation
5  *
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.
10  *
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.
15  *
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., 51 Franklin St, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  */
21 
22 #ifndef __GST_TTML_PARSE_H__
23 #define __GST_TTML_PARSE_H__
24 
25 #include <gst/gst.h>
26 #include <gst/base/gstadapter.h>
27 
28 G_BEGIN_DECLS
29 
30 #define GST_TYPE_TTML_PARSE \
31   (gst_ttml_parse_get_type ())
32 #define GST_TTML_PARSE(obj) \
33   (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TTML_PARSE, GstTtmlParse))
34 #define GST_TTML_PARSE_CLASS(klass) \
35   (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TTML_PARSE, GstTtmlParseClass))
36 #define GST_IS_TTML_PARSE(obj) \
37   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TTML_PARSE))
38 #define GST_IS_TTML_PARSE_CLASS(klass) \
39   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TTML_PARSE))
40 
41 typedef struct _GstTtmlParse GstTtmlParse;
42 typedef struct _GstTtmlParseClass GstTtmlParseClass;
43 
44 struct _GstTtmlParse {
45   GstElement element;
46 
47   GstPad *sinkpad, *srcpad;
48 
49   /* contains the input in the input encoding */
50   GstAdapter *adapter;
51   /* contains the UTF-8 decoded input */
52   GString *textbuf;
53 
54   /* seek */
55   guint64 offset;
56 
57   /* Segment */
58   GstSegment    segment;
59   gboolean      need_segment;
60 
61   gboolean valid_utf8;
62   gchar   *detected_encoding;
63   gchar   *encoding;
64 
65   gboolean first_buffer;
66 };
67 
68 struct _GstTtmlParseClass {
69   GstElementClass parent_class;
70 };
71 
72 GType gst_ttml_parse_get_type (void);
73 
74 G_END_DECLS
75 
76 #endif /* __GST_TTML_PARSE_H__ */
77