gstreamer/ext/annodex/gstcmmlparser.h

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/*
* gstcmmlparser.h - GStreamer CMML document parser
* Copyright (C) 2005 Alessandro Decina
*
* Authors:
* Alessandro Decina <alessandro@nnva.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_CMML_PARSER_H__
#define __GST_CMML_PARSER_H__
#include <libxml/parser.h>
#include <glib.h>
#include "gstcmmltag.h"
typedef struct _GstCmmlParser GstCmmlParser;
typedef enum _GstCmmlParserMode GstCmmlParserMode;
typedef void (*GstCmmlParserPreambleCallback) (void *user_data,
const guchar * xml_preamble, const guchar * cmml_attrs);
typedef void (*GstCmmlParserCmmlEndCallback) (void *user_data);
typedef void (*GstCmmlParserStreamCallback) (void *user_data,
GstCmmlTagStream * stream);
typedef void (*GstCmmlParserHeadCallback) (void *user_data,
GstCmmlTagHead * head);
typedef void (*GstCmmlParserClipCallback) (void *user_data,
GstCmmlTagClip * clip);
enum _GstCmmlParserMode
{
GST_CMML_PARSER_ENCODE,
GST_CMML_PARSER_DECODE
};
struct _GstCmmlParser
{
GstCmmlParserMode mode;
xmlParserCtxtPtr context;
const gchar *preamble;
guint preamble_size;
void *user_data;
GstCmmlParserPreambleCallback preamble_callback;
GstCmmlParserStreamCallback stream_callback;
GstCmmlParserCmmlEndCallback cmml_end_callback;
GstCmmlParserHeadCallback head_callback;
GstCmmlParserClipCallback clip_callback;
};
void gst_cmml_parser_init (void);
GstCmmlParser *gst_cmml_parser_new (GstCmmlParserMode mode);
void gst_cmml_parser_free (GstCmmlParser * parser);
gboolean gst_cmml_parser_parse_chunk (GstCmmlParser * parser,
const gchar * data, guint size, GError ** error);
guchar *gst_cmml_parser_tag_stream_to_string (GstCmmlParser * parser,
GstCmmlTagStream * stream);
guchar *gst_cmml_parser_tag_head_to_string (GstCmmlParser * parser,
GstCmmlTagHead * head);
guchar *gst_cmml_parser_tag_clip_to_string (GstCmmlParser * parser,
GstCmmlTagClip * clip);
guchar *gst_cmml_parser_tag_object_to_string (GstCmmlParser * parser,
GObject * tag);
#endif /* __GST_CMML_PARSER_H__ */