2 * gstcmmlparser.h - GStreamer CMML document parser
3 * Copyright (C) 2005 Alessandro Decina
6 * Alessandro Decina <alessandro@nnva.org>
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.
24 #ifndef __GST_CMML_PARSER_H__
25 #define __GST_CMML_PARSER_H__
27 #include <libxml/parser.h>
30 #include "gstcmmltag.h"
32 typedef struct _GstCmmlParser GstCmmlParser;
33 typedef enum _GstCmmlParserMode GstCmmlParserMode;
35 typedef void (*GstCmmlParserPreambleCallback) (void *user_data,
36 const guchar * xml_preamble, const guchar * cmml_attrs);
38 typedef void (*GstCmmlParserCmmlEndCallback) (void *user_data);
40 typedef void (*GstCmmlParserStreamCallback) (void *user_data,
41 GstCmmlTagStream * stream);
43 typedef void (*GstCmmlParserHeadCallback) (void *user_data,
44 GstCmmlTagHead * head);
46 typedef void (*GstCmmlParserClipCallback) (void *user_data,
47 GstCmmlTagClip * clip);
49 enum _GstCmmlParserMode
51 GST_CMML_PARSER_ENCODE,
52 GST_CMML_PARSER_DECODE
57 GstCmmlParserMode mode;
59 xmlParserCtxtPtr context;
61 const gchar *preamble;
65 GstCmmlParserPreambleCallback preamble_callback;
66 GstCmmlParserStreamCallback stream_callback;
67 GstCmmlParserCmmlEndCallback cmml_end_callback;
68 GstCmmlParserHeadCallback head_callback;
69 GstCmmlParserClipCallback clip_callback;
72 void gst_cmml_parser_init (void);
74 GstCmmlParser *gst_cmml_parser_new (GstCmmlParserMode mode);
75 void gst_cmml_parser_free (GstCmmlParser * parser);
77 gboolean gst_cmml_parser_parse_chunk (GstCmmlParser * parser,
78 const gchar * data, guint size, GError ** error);
80 guchar *gst_cmml_parser_tag_stream_to_string (GstCmmlParser * parser,
81 GstCmmlTagStream * stream);
83 guchar *gst_cmml_parser_tag_head_to_string (GstCmmlParser * parser,
84 GstCmmlTagHead * head);
86 guchar *gst_cmml_parser_tag_clip_to_string (GstCmmlParser * parser,
87 GstCmmlTagClip * clip);
89 guchar *gst_cmml_parser_tag_object_to_string (GstCmmlParser * parser,
92 #endif /* __GST_CMML_PARSER_H__ */