gstreamer/gst/gsttoc.h

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/* GStreamer
* (c) 2010, 2012 Alexander Saprykin <xelfium@gmail.com>
*
* gsttoc.h: generic TOC API declaration
*
* 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_TOC_H__
#define __GST_TOC_H__
#include <gst/gstconfig.h>
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#include <gst/gststructure.h>
#include <gst/gsttaglist.h>
#include <gst/gstformat.h>
G_BEGIN_DECLS
#define GST_TYPE_TOC (gst_toc_get_type ())
#define GST_TYPE_TOC_ENTRY (gst_toc_entry_get_type ())
typedef struct _GstTocEntry GstTocEntry;
typedef struct _GstToc GstToc;
/**
* GstTocEntryType:
* @GST_TOC_ENTRY_TYPE_CHAPTER: a chapter type entry.
* @GST_TOC_ENTRY_TYPE_EDITION: an edition entry (angle or alternative in other terms).
*
* The different types of TOC entry.
*/
typedef enum {
GST_TOC_ENTRY_TYPE_CHAPTER = 0,
GST_TOC_ENTRY_TYPE_EDITION = 1
} GstTocEntryType;
/**
* GstTocEntry:
* @uid: unique (for a whole TOC) id of the entry. This value should be persistent and
* should not be changed while updating TOC. @uid should be handled as "opaque" value
* without meaning (e.g. applications should not assume the /editionX/chapterY/chapter/Z structure,
* other demuxers could do something else), it should help to track updates of certain entries.
* @type: #GstTocEntryType of this entry.
* @subentries: list of #GstTocEntry children.
* @pads: list of #GstPad objects, related to this #GstTocEntry.
* @tags: tags related to this entry.
* @info: extra information related to this entry.
*
* Definition of TOC entry structure.
*/
struct _GstTocEntry {
gchar *uid;
GstTocEntryType type;
GList *subentries;
GList *pads;
GstTagList *tags;
GstStructure *info;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
/* FIXME: pad member should be GstPad type, but that's
* impossible due to recursive includes */
/**
* GstToc:
* @entries: list of #GstTocEntry entries of the TOC.
* @tags: tags related to the whole TOC.
* @info: extra information related to the TOC.
*
* Definition of TOC structure.
*/
struct _GstToc {
GList *entries;
GstTagList *tags;
GstStructure *info;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
/* functions to return type structures */
GType gst_toc_get_type (void);
GType gst_toc_entry_get_type (void);
/* functions to create new structures */
GstToc * gst_toc_new (void);
GstTocEntry * gst_toc_entry_new (GstTocEntryType type, const gchar *uid);
GstTocEntry * gst_toc_entry_new_with_pad (GstTocEntryType type, const gchar *uid, GstPad * pad);
/* functions to free structures */
void gst_toc_entry_free (GstTocEntry *entry);
void gst_toc_free (GstToc *toc);
GstTocEntry * gst_toc_find_entry (const GstToc *toc, const gchar *uid);
GstTocEntry * gst_toc_entry_copy (const GstTocEntry *entry);
GstToc * gst_toc_copy (const GstToc *toc);
void gst_toc_entry_set_start_stop (GstTocEntry *entry, gint64 start, gint64 stop);
gboolean gst_toc_entry_get_start_stop (const GstTocEntry *entry, gint64 *start, gint64 *stop);
const gchar * gst_toc_entry_type_get_nick (GstTocEntryType type);
G_END_DECLS
#endif /* __GST_TOC_H__ */