2 * (c) 2010, 2012 Alexander Saprykin <xelfium@gmail.com>
4 * gsttoc.h: generic TOC API declaration
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.
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.
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.
25 #include <gst/gstconfig.h>
26 #include <gst/gstminiobject.h>
27 #include <gst/gststructure.h>
28 #include <gst/gsttaglist.h>
29 #include <gst/gstformat.h>
33 GST_EXPORT GType _gst_toc_type;
34 GST_EXPORT GType _gst_toc_entry_type;
36 #define GST_TYPE_TOC (_gst_toc_type)
37 #define GST_TYPE_TOC_ENTRY (_gst_toc_entry_type)
39 typedef struct _GstTocEntry GstTocEntry;
40 typedef struct _GstToc GstToc;
44 * @GST_TOC_SCOPE_GLOBAL: global TOC representing all selectable options
45 * (this is what applications are usually interested in)
46 * @GST_TOC_SCOPE_CURRENT: TOC for the currently active/selected stream
47 * (this is a TOC representing the current stream from start to EOS,
48 * and is what a TOC writer / muxer is usually interested in; it will
49 * usually be a subset of the global TOC, e.g. just the chapters of
50 * the current title, or the chapters selected for playback from the
56 GST_TOC_SCOPE_GLOBAL = 1,
57 GST_TOC_SCOPE_CURRENT = 2
62 * @GST_TOC_ENTRY_TYPE_ANGLE: entry is an angle (i.e. an alternative)
63 * @GST_TOC_ENTRY_TYPE_VERSION: entry is a version (i.e. alternative)
64 * @GST_TOC_ENTRY_TYPE_EDITION: entry is an edition (i.e. alternative)
65 * @GST_TOC_ENTRY_TYPE_INVALID: invalid entry type value
66 * @GST_TOC_ENTRY_TYPE_TITLE: entry is a title (i.e. a part of a sequence)
67 * @GST_TOC_ENTRY_TYPE_TRACK: entry is a track (i.e. a part of a sequence)
68 * @GST_TOC_ENTRY_TYPE_CHAPTER: entry is a chapter (i.e. a part of a sequence)
70 * The different types of TOC entries (see #GstTocEntry).
72 * There are two types of TOC entries: alternatives or parts in a sequence.
75 GST_TOC_ENTRY_TYPE_ANGLE = -3,
76 GST_TOC_ENTRY_TYPE_VERSION = -2,
77 GST_TOC_ENTRY_TYPE_EDITION = -1,
78 GST_TOC_ENTRY_TYPE_INVALID = 0,
79 GST_TOC_ENTRY_TYPE_TITLE = 1,
80 GST_TOC_ENTRY_TYPE_TRACK = 2,
81 GST_TOC_ENTRY_TYPE_CHAPTER = 3,
85 * GST_TOC_ENTRY_TYPE_IS_ALTERNATIVE:
86 * @entry_type: The #GstTocEntryType from a #GstTocEntry
88 * Checks if @entry_type indicates that its #GstTocEntry is an alternative.
90 #define GST_TOC_ENTRY_TYPE_IS_ALTERNATIVE(entry_type) (entry_type < 0)
93 * GST_TOC_ENTRY_TYPE_IS_SEQUENCE:
94 * @entry_type: The #GstTocEntryType from a #GstTocEntry
96 * Checks if @entry_type indicates that its #GstTocEntry is a sequence.
98 #define GST_TOC_ENTRY_TYPE_IS_SEQUENCE(entry_type) (entry_type > 0)
102 * @GST_TOC_LOOP_NONE: single forward playback
103 * @GST_TOC_LOOP_FORWARD: repeat forward
104 * @GST_TOC_LOOP_REVERSE: repeat backward
105 * @GST_TOC_LOOP_PING_PONG: repeat forward and backward
107 * How a #GstTocEntry should be repeated. By default, entries are played a
113 GST_TOC_LOOP_NONE = 0,
114 GST_TOC_LOOP_FORWARD,
115 GST_TOC_LOOP_REVERSE,
116 GST_TOC_LOOP_PING_PONG
120 * GST_TOC_REPEAT_COUNT_INFINITE:
122 * Special value for the repeat_count set in gst_toc_entry_set_loop() or
123 * returned by gst_toc_entry_set_loop() to indicate infinite looping.
127 #define GST_TOC_REPEAT_COUNT_INFINITE (-1)
129 /* functions to return type structures */
130 GType gst_toc_get_type (void);
131 GType gst_toc_entry_get_type (void);
133 /* functions to create, ref and unref/free TOCs */
134 GstToc * gst_toc_new (GstTocScope scope);
136 GstTocScope gst_toc_get_scope (const GstToc *toc);
138 void gst_toc_set_tags (GstToc *toc, GstTagList * tags);
139 void gst_toc_merge_tags (GstToc *toc, GstTagList *tags, GstTagMergeMode mode);
140 GstTagList * gst_toc_get_tags (const GstToc *toc);
142 void gst_toc_append_entry (GstToc *toc, GstTocEntry *entry);
143 GList * gst_toc_get_entries (const GstToc *toc);
145 void gst_toc_dump (GstToc *toc);
147 #define gst_toc_ref(toc) (GstToc*)gst_mini_object_ref(GST_MINI_OBJECT_CAST(toc))
148 #define gst_toc_unref(toc) gst_mini_object_unref(GST_MINI_OBJECT_CAST(toc))
149 #define gst_toc_copy(toc) (GstToc*)gst_mini_object_copy(GST_MINI_OBJECT_CAST(toc))
150 #define gst_toc_make_writable(toc) (GstToc*)gst_mini_object_make_writable(GST_MINI_OBJECT_CAST(toc))
152 /* functions to create, ref and unref/free TOC entries */
153 GstTocEntry * gst_toc_entry_new (GstTocEntryType type, const gchar *uid);
155 #define gst_toc_entry_ref(entry) (GstTocEntry*)gst_mini_object_ref(GST_MINI_OBJECT_CAST(entry))
156 #define gst_toc_entry_unref(entry) gst_mini_object_unref(GST_MINI_OBJECT_CAST(entry))
157 #define gst_toc_entry_copy(entry) (GstTocEntry*)gst_mini_object_copy(GST_MINI_OBJECT_CAST(entry))
158 #define gst_toc_entry_make_writable(entry) (GstTocEntry*)gst_mini_object_make_writable(GST_MINI_OBJECT_CAST(entry))
160 GstTocEntry * gst_toc_find_entry (const GstToc *toc, const gchar *uid);
162 GstTocEntryType gst_toc_entry_get_entry_type (const GstTocEntry *entry);
163 const gchar * gst_toc_entry_get_uid (const GstTocEntry *entry);
165 void gst_toc_entry_append_sub_entry (GstTocEntry *entry, GstTocEntry *subentry);
166 GList * gst_toc_entry_get_sub_entries (const GstTocEntry *entry);
168 void gst_toc_entry_set_tags (GstTocEntry *entry, GstTagList *tags);
169 void gst_toc_entry_merge_tags (GstTocEntry *entry, GstTagList *tags, GstTagMergeMode mode);
170 GstTagList * gst_toc_entry_get_tags (const GstTocEntry *entry);
172 gboolean gst_toc_entry_is_alternative (const GstTocEntry *entry);
173 gboolean gst_toc_entry_is_sequence (const GstTocEntry *entry);
175 void gst_toc_entry_set_start_stop_times (GstTocEntry *entry, gint64 start, gint64 stop);
176 gboolean gst_toc_entry_get_start_stop_times (const GstTocEntry *entry, gint64 *start, gint64 *stop);
178 void gst_toc_entry_set_loop (GstTocEntry *entry, GstTocLoopType loop_type, gint repeat_count);
179 gboolean gst_toc_entry_get_loop (const GstTocEntry *entry, GstTocLoopType *loop_type, gint *repeat_count);
181 GstToc * gst_toc_entry_get_toc (GstTocEntry *entry);
182 GstTocEntry * gst_toc_entry_get_parent (GstTocEntry *entry);
185 const gchar * gst_toc_entry_type_get_nick (GstTocEntryType type);
189 #endif /* __GST_TOC_H__ */