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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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_TOC_H__
#define __GST_TOC_H__
#include <gst/gstconfig.h>
#include <gst/gstminiobject.h>
#include <gst/gststructure.h>
#include <gst/gsttaglist.h>
#include <gst/gstformat.h>
G_BEGIN_DECLS
GST_EXPORT GType _gst_toc_type;
GST_EXPORT GType _gst_toc_entry_type;
#define GST_TYPE_TOC (_gst_toc_type)
#define GST_TYPE_TOC_ENTRY (_gst_toc_entry_type)
typedef struct _GstTocEntry GstTocEntry;
typedef struct _GstToc GstToc;
/**
* GstTocScope:
* @GST_TOC_SCOPE_GLOBAL: global TOC representing all selectable options
* (this is what applications are usually interested in)
* @GST_TOC_SCOPE_CURRENT: TOC for the currently active/selected stream
* (this is a TOC representing the current stream from start to EOS,
* and is what a TOC writer / muxer is usually interested in; it will
* usually be a subset of the global TOC, e.g. just the chapters of
* the current title, or the chapters selected for playback from the
* current title)
*
* The scope of a TOC.
*/
typedef enum {
GST_TOC_SCOPE_GLOBAL = 1,
GST_TOC_SCOPE_CURRENT = 2
} GstTocScope;
/**
* GstTocEntryType:
* @GST_TOC_ENTRY_TYPE_ANGLE: entry is an angle (i.e. an alternative)
* @GST_TOC_ENTRY_TYPE_VERSION: entry is a version (i.e. alternative)
* @GST_TOC_ENTRY_TYPE_EDITION: entry is an edition (i.e. alternative)
* @GST_TOC_ENTRY_TYPE_INVALID: invalid entry type value
* @GST_TOC_ENTRY_TYPE_TITLE: entry is a title (i.e. a part of a sequence)
* @GST_TOC_ENTRY_TYPE_TRACK: entry is a track (i.e. a part of a sequence)
* @GST_TOC_ENTRY_TYPE_CHAPTER: entry is a chapter (i.e. a part of a sequence)
*
* The different types of TOC entries (see #GstTocEntry).
*
* There are two types of TOC entries: alternatives or parts in a sequence.
*/
typedef enum {
GST_TOC_ENTRY_TYPE_ANGLE = -3,
GST_TOC_ENTRY_TYPE_VERSION = -2,
GST_TOC_ENTRY_TYPE_EDITION = -1,
GST_TOC_ENTRY_TYPE_INVALID = 0,
GST_TOC_ENTRY_TYPE_TITLE = 1,
GST_TOC_ENTRY_TYPE_TRACK = 2,
GST_TOC_ENTRY_TYPE_CHAPTER = 3,
} GstTocEntryType;
/**
* GST_TOC_ENTRY_TYPE_IS_ALTERNATIVE:
* @entry_type: The #GstTocEntryType from a #GstTocEntry
*
* Checks if @entry_type indicates that its #GstTocEntry is an alternative.
*/
#define GST_TOC_ENTRY_TYPE_IS_ALTERNATIVE(entry_type) (entry_type < 0)
/**
* GST_TOC_ENTRY_TYPE_IS_SEQUENCE:
* @entry_type: The #GstTocEntryType from a #GstTocEntry
*
* Checks if @entry_type indicates that its #GstTocEntry is a sequence.
*/
#define GST_TOC_ENTRY_TYPE_IS_SEQUENCE(entry_type) (entry_type > 0)
/**
* GstTocLoopType:
* @GST_TOC_LOOP_NONE: single forward playback
* @GST_TOC_LOOP_FORWARD: repeat forward
* @GST_TOC_LOOP_REVERSE: repeat backward
* @GST_TOC_LOOP_PING_PONG: repeat forward and backward
*
* How a #GstTocEntry should be repeated. By default, entries are played a
* single time.
*
* Since: 1.4
*/
typedef enum {
GST_TOC_LOOP_NONE = 0,
GST_TOC_LOOP_FORWARD,
GST_TOC_LOOP_REVERSE,
GST_TOC_LOOP_PING_PONG
} GstTocLoopType;
/**
* GST_TOC_REPEAT_COUNT_INFINITE:
*
* Special value for the repeat_count set in gst_toc_entry_set_loop() or
* returned by gst_toc_entry_set_loop() to indicate infinite looping.
*
* Since: 1.4
*/
#define GST_TOC_REPEAT_COUNT_INFINITE (-1)
/* functions to return type structures */
GType gst_toc_get_type (void);
GType gst_toc_entry_get_type (void);
/* functions to create, ref and unref/free TOCs */
GstToc * gst_toc_new (GstTocScope scope);
GstTocScope gst_toc_get_scope (const GstToc *toc);
void gst_toc_set_tags (GstToc *toc, GstTagList * tags);
void gst_toc_merge_tags (GstToc *toc, GstTagList *tags, GstTagMergeMode mode);
GstTagList * gst_toc_get_tags (const GstToc *toc);
void gst_toc_append_entry (GstToc *toc, GstTocEntry *entry);
GList * gst_toc_get_entries (const GstToc *toc);
void gst_toc_dump (GstToc *toc);
#define gst_toc_ref(toc) (GstToc*)gst_mini_object_ref(GST_MINI_OBJECT_CAST(toc))
#define gst_toc_unref(toc) gst_mini_object_unref(GST_MINI_OBJECT_CAST(toc))
#define gst_toc_copy(toc) (GstToc*)gst_mini_object_copy(GST_MINI_OBJECT_CAST(toc))
#define gst_toc_make_writable(toc) (GstToc*)gst_mini_object_make_writable(GST_MINI_OBJECT_CAST(toc))
/* functions to create, ref and unref/free TOC entries */
GstTocEntry * gst_toc_entry_new (GstTocEntryType type, const gchar *uid);
#define gst_toc_entry_ref(entry) (GstTocEntry*)gst_mini_object_ref(GST_MINI_OBJECT_CAST(entry))
#define gst_toc_entry_unref(entry) gst_mini_object_unref(GST_MINI_OBJECT_CAST(entry))
#define gst_toc_entry_copy(entry) (GstTocEntry*)gst_mini_object_copy(GST_MINI_OBJECT_CAST(entry))
#define gst_toc_entry_make_writable(entry) (GstTocEntry*)gst_mini_object_make_writable(GST_MINI_OBJECT_CAST(entry))
GstTocEntry * gst_toc_find_entry (const GstToc *toc, const gchar *uid);
GstTocEntryType gst_toc_entry_get_entry_type (const GstTocEntry *entry);
const gchar * gst_toc_entry_get_uid (const GstTocEntry *entry);
void gst_toc_entry_append_sub_entry (GstTocEntry *entry, GstTocEntry *subentry);
GList * gst_toc_entry_get_sub_entries (const GstTocEntry *entry);
void gst_toc_entry_set_tags (GstTocEntry *entry, GstTagList *tags);
void gst_toc_entry_merge_tags (GstTocEntry *entry, GstTagList *tags, GstTagMergeMode mode);
GstTagList * gst_toc_entry_get_tags (const GstTocEntry *entry);
gboolean gst_toc_entry_is_alternative (const GstTocEntry *entry);
gboolean gst_toc_entry_is_sequence (const GstTocEntry *entry);
void gst_toc_entry_set_start_stop_times (GstTocEntry *entry, gint64 start, gint64 stop);
gboolean gst_toc_entry_get_start_stop_times (const GstTocEntry *entry, gint64 *start, gint64 *stop);
void gst_toc_entry_set_loop (GstTocEntry *entry, GstTocLoopType loop_type, gint repeat_count);
gboolean gst_toc_entry_get_loop (const GstTocEntry *entry, GstTocLoopType *loop_type, gint *repeat_count);
GstToc * gst_toc_entry_get_toc (GstTocEntry *entry);
GstTocEntry * gst_toc_entry_get_parent (GstTocEntry *entry);
const gchar * gst_toc_entry_type_get_nick (GstTocEntryType type);
G_END_DECLS
#endif /* __GST_TOC_H__ */
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