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/* GStreamer
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* (c) 2010, 2012 Alexander Saprykin <xelfium@gmail.com>
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*
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* gsttoc.c: GstToc initialization and parsing/creation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* SECTION:gsttoc
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* @title: GstToc
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* @short_description: Generic table of contents support
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* @see_also: #GstStructure, #GstEvent, #GstMessage, #GstQuery
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*
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* #GstToc functions are used to create/free #GstToc and #GstTocEntry structures.
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* Also they are used to convert #GstToc into #GstStructure and vice versa.
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*
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* #GstToc lets you to inform other elements in pipeline or application that playing
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* source has some kind of table of contents (TOC). These may be chapters, editions,
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* angles or other types. For example: DVD chapters, Matroska chapters or cue sheet
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* TOC. Such TOC will be useful for applications to display instead of just a
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* playlist.
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*
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* Using TOC is very easy. Firstly, create #GstToc structure which represents root
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* contents of the source. You can also attach TOC-specific tags to it. Then fill
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* it with #GstTocEntry entries by appending them to the #GstToc using
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* gst_toc_append_entry(), and appending subentries to a #GstTocEntry using
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* gst_toc_entry_append_sub_entry().
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*
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* Note that root level of the TOC can contain only either editions or chapters. You
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* should not mix them together at the same level. Otherwise you will get serialization
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* /deserialization errors. Make sure that no one of the entries has negative start and
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* stop values.
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*
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* Use gst_event_new_toc() to create a new TOC #GstEvent, and gst_event_parse_toc() to
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* parse received TOC event. Use gst_event_new_toc_select() to create a new TOC select #GstEvent,
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* and gst_event_parse_toc_select() to parse received TOC select event. The same rule for
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* the #GstMessage: gst_message_new_toc() to create new TOC #GstMessage, and
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* gst_message_parse_toc() to parse received TOC message.
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*
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* TOCs can have global scope or current scope. Global scope TOCs contain
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* all entries that can possibly be selected using a toc select event, and
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* are what an application is usually interested in. TOCs with current scope
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* only contain the parts of the TOC relevant to the currently selected/playing
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* stream; the current scope TOC is used by downstream elements such as muxers
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* to write correct TOC entries when transcoding files, for example. When
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* playing a DVD, the global TOC would contain a hierarchy of all titles,
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* chapters and angles, for example, while the current TOC would only contain
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* the chapters for the currently playing title if playback of a specific
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* title was requested.
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*
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* Applications and plugins should not rely on TOCs having a certain kind of
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* structure, but should allow for different alternatives. For example, a
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* simple CUE sheet embedded in a file may be presented as a flat list of
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* track entries, or could have a top-level edition node (or some other
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* alternative type entry) with track entries underneath that node; or even
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* multiple top-level edition nodes (or some other alternative type entries)
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* each with track entries underneath, in case the source file has extracted
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* a track listing from different sources).
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "gst_private.h"
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#include "gstenumtypes.h"
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#include "gsttaglist.h"
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#include "gststructure.h"
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#include "gstvalue.h"
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#include "gsttoc.h"
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#include "gstpad.h"
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#include "gstquark.h"
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struct _GstTocEntry
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{
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GstMiniObject mini_object;
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GstToc *toc;
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GstTocEntry *parent;
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gchar *uid;
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GstTocEntryType type;
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GstClockTime start, stop;
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GList *subentries;
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GstTagList *tags;
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GstTocLoopType loop_type;
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gint repeat_count;
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};
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struct _GstToc
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{
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GstMiniObject mini_object;
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GstTocScope scope;
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GList *entries;
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GstTagList *tags;
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};
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#undef gst_toc_copy
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static GstToc *gst_toc_copy (const GstToc * toc);
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static void gst_toc_free (GstToc * toc);
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#undef gst_toc_entry_copy
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static GstTocEntry *gst_toc_entry_copy (const GstTocEntry * toc);
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static void gst_toc_entry_free (GstTocEntry * toc);
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GType _gst_toc_type = 0;
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GType _gst_toc_entry_type = 0;
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GST_DEFINE_MINI_OBJECT_TYPE (GstToc, gst_toc);
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GST_DEFINE_MINI_OBJECT_TYPE (GstTocEntry, gst_toc_entry);
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/**
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* gst_toc_new:
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* @scope: scope of this TOC
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*
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* Create a new #GstToc structure.
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*
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* Returns: (transfer full): newly allocated #GstToc structure, free it
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* with gst_toc_unref().
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*/
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GstToc *
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gst_toc_new (GstTocScope scope)
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{
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GstToc *toc;
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g_return_val_if_fail (scope == GST_TOC_SCOPE_GLOBAL ||
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scope == GST_TOC_SCOPE_CURRENT, NULL);
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toc = g_slice_new0 (GstToc);
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gst_mini_object_init (GST_MINI_OBJECT_CAST (toc), 0, GST_TYPE_TOC,
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(GstMiniObjectCopyFunction) gst_toc_copy, NULL,
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(GstMiniObjectFreeFunction) gst_toc_free);
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toc->scope = scope;
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toc->tags = gst_tag_list_new_empty ();
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return toc;
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}
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/**
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* gst_toc_get_scope:
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* @toc: a #GstToc instance
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*
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* Returns: scope of @toc
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*/
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GstTocScope
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gst_toc_get_scope (const GstToc * toc)
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{
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g_return_val_if_fail (toc != NULL, GST_TOC_SCOPE_GLOBAL);
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return toc->scope;
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}
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/**
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* gst_toc_set_tags:
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* @toc: A #GstToc instance
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* @tags: (allow-none) (transfer full): A #GstTagList or %NULL
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*
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* Set a #GstTagList with tags for the complete @toc.
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*/
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void
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gst_toc_set_tags (GstToc * toc, GstTagList * tags)
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{
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g_return_if_fail (toc != NULL);
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g_return_if_fail (gst_mini_object_is_writable (GST_MINI_OBJECT_CAST (toc)));
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if (toc->tags)
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gst_tag_list_unref (toc->tags);
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toc->tags = tags;
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}
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/**
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* gst_toc_merge_tags:
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* @toc: A #GstToc instance
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* @tags: (allow-none): A #GstTagList or %NULL
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* @mode: A #GstTagMergeMode
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*
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* Merge @tags into the existing tags of @toc using @mode.
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*/
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void
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gst_toc_merge_tags (GstToc * toc, GstTagList * tags, GstTagMergeMode mode)
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{
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g_return_if_fail (toc != NULL);
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g_return_if_fail (gst_mini_object_is_writable (GST_MINI_OBJECT_CAST (toc)));
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if (!toc->tags) {
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toc->tags = gst_tag_list_ref (tags);
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} else {
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GstTagList *tmp = gst_tag_list_merge (toc->tags, tags, mode);
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gst_tag_list_unref (toc->tags);
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toc->tags = tmp;
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}
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}
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/**
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* gst_toc_get_tags:
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* @toc: A #GstToc instance
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*
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* Gets the tags for @toc.
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*
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* Returns: (transfer none): A #GstTagList for @entry
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*/
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GstTagList *
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gst_toc_get_tags (const GstToc * toc)
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{
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g_return_val_if_fail (toc != NULL, NULL);
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return toc->tags;
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}
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/**
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* gst_toc_append_entry:
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* @toc: A #GstToc instance
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* @entry: (transfer full): A #GstTocEntry
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*
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* Appends the #GstTocEntry @entry to @toc.
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*/
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void
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gst_toc_append_entry (GstToc * toc, GstTocEntry * entry)
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{
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g_return_if_fail (toc != NULL);
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g_return_if_fail (gst_mini_object_is_writable (GST_MINI_OBJECT_CAST (toc)));
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g_return_if_fail (gst_mini_object_is_writable (GST_MINI_OBJECT_CAST (entry)));
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g_return_if_fail (entry->toc == NULL);
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g_return_if_fail (entry->parent == NULL);
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toc->entries = g_list_append (toc->entries, entry);
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entry->toc = toc;
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GST_LOG ("appended %s entry with uid %s to toc %p",
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gst_toc_entry_type_get_nick (entry->type), entry->uid, toc);
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gst_toc_dump (toc);
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}
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/**
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* gst_toc_get_entries:
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* @toc: A #GstToc instance
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*
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* Gets the list of #GstTocEntry of @toc.
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*
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* Returns: (transfer none) (element-type Gst.TocEntry): A #GList of #GstTocEntry for @entry
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*/
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GList *
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gst_toc_get_entries (const GstToc * toc)
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{
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g_return_val_if_fail (toc != NULL, NULL);
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return toc->entries;
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}
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static GstTocEntry *
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gst_toc_entry_new_internal (GstTocEntryType type, const gchar * uid)
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{
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GstTocEntry *entry;
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entry = g_slice_new0 (GstTocEntry);
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gst_mini_object_init (GST_MINI_OBJECT_CAST (entry), 0, GST_TYPE_TOC_ENTRY,
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(GstMiniObjectCopyFunction) gst_toc_entry_copy, NULL,
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(GstMiniObjectFreeFunction) gst_toc_entry_free);
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entry->uid = g_strdup (uid);
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entry->type = type;
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entry->tags = NULL;
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963350 |
entry->start = entry->stop = GST_CLOCK_TIME_NONE;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return entry;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_new:
|
|
Packit Service |
963350 |
* @type: entry type.
|
|
Packit Service |
963350 |
* @uid: unique ID (UID) in the whole TOC.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Create new #GstTocEntry structure.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Returns: newly allocated #GstTocEntry structure, free it with gst_toc_entry_unref().
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
GstTocEntry *
|
|
Packit Service |
963350 |
gst_toc_entry_new (GstTocEntryType type, const gchar * uid)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_val_if_fail (uid != NULL, NULL);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return gst_toc_entry_new_internal (type, uid);
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
static void
|
|
Packit Service |
963350 |
gst_toc_free (GstToc * toc)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_list_foreach (toc->entries, (GFunc) gst_mini_object_unref, NULL);
|
|
Packit Service |
963350 |
g_list_free (toc->entries);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
if (toc->tags != NULL)
|
|
Packit Service |
963350 |
gst_tag_list_unref (toc->tags);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
g_slice_free (GstToc, toc);
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
static void
|
|
Packit Service |
963350 |
gst_toc_entry_free (GstTocEntry * entry)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_if_fail (entry != NULL);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
g_list_foreach (entry->subentries, (GFunc) gst_mini_object_unref, NULL);
|
|
Packit Service |
963350 |
g_list_free (entry->subentries);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
g_free (entry->uid);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
if (entry->tags != NULL)
|
|
Packit Service |
963350 |
gst_tag_list_unref (entry->tags);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
g_slice_free (GstTocEntry, entry);
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
static GstTocEntry *
|
|
Packit Service |
963350 |
gst_toc_entry_find_sub_entry (const GstTocEntry * entry, const gchar * uid)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
GList *cur;
|
|
Packit Service |
963350 |
GstTocEntry *subentry, *subsubentry;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
g_return_val_if_fail (entry != NULL, NULL);
|
|
Packit Service |
963350 |
g_return_val_if_fail (uid != NULL, NULL);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
cur = entry->subentries;
|
|
Packit Service |
963350 |
while (cur != NULL) {
|
|
Packit Service |
963350 |
subentry = cur->data;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
if (g_strcmp0 (subentry->uid, uid) == 0)
|
|
Packit Service |
963350 |
return subentry;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
subsubentry = gst_toc_entry_find_sub_entry (subentry, uid);
|
|
Packit Service |
963350 |
if (subsubentry != NULL)
|
|
Packit Service |
963350 |
return subsubentry;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
cur = cur->next;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return NULL;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_find_entry:
|
|
Packit Service |
963350 |
* @toc: #GstToc to search in.
|
|
Packit Service |
963350 |
* @uid: UID to find #GstTocEntry with.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Find #GstTocEntry with given @uid in the @toc.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Returns: (transfer none) (nullable): #GstTocEntry with specified
|
|
Packit Service |
963350 |
* @uid from the @toc, or %NULL if not found.
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
GstTocEntry *
|
|
Packit Service |
963350 |
gst_toc_find_entry (const GstToc * toc, const gchar * uid)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
GList *cur;
|
|
Packit Service |
963350 |
GstTocEntry *entry, *subentry;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
g_return_val_if_fail (toc != NULL, NULL);
|
|
Packit Service |
963350 |
g_return_val_if_fail (uid != NULL, NULL);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
cur = toc->entries;
|
|
Packit Service |
963350 |
while (cur != NULL) {
|
|
Packit Service |
963350 |
entry = cur->data;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
if (g_strcmp0 (entry->uid, uid) == 0)
|
|
Packit Service |
963350 |
return entry;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
subentry = gst_toc_entry_find_sub_entry (entry, uid);
|
|
Packit Service |
963350 |
if (subentry != NULL)
|
|
Packit Service |
963350 |
return subentry;
|
|
Packit Service |
963350 |
cur = cur->next;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return NULL;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
static GList *
|
|
Packit Service |
963350 |
gst_toc_deep_copy_toc_entries (GList * entry_list)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
GQueue new_entries = G_QUEUE_INIT;
|
|
Packit Service |
963350 |
GList *l;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
for (l = entry_list; l != NULL; l = l->next)
|
|
Packit Service |
963350 |
g_queue_push_tail (&new_entries, gst_toc_entry_copy (l->data));
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return new_entries.head;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_copy:
|
|
Packit Service |
963350 |
* @entry: #GstTocEntry to copy.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Copy #GstTocEntry with all subentries (deep copy).
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Returns: (nullable): newly allocated #GstTocEntry in case of
|
|
Packit Service |
963350 |
* success, %NULL otherwise; free it when done with
|
|
Packit Service |
963350 |
* gst_toc_entry_unref().
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
static GstTocEntry *
|
|
Packit Service |
963350 |
gst_toc_entry_copy (const GstTocEntry * entry)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
GstTocEntry *ret;
|
|
Packit Service |
963350 |
GstTagList *list;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
g_return_val_if_fail (entry != NULL, NULL);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
ret = gst_toc_entry_new (entry->type, entry->uid);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
ret->start = entry->start;
|
|
Packit Service |
963350 |
ret->stop = entry->stop;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
if (GST_IS_TAG_LIST (entry->tags)) {
|
|
Packit Service |
963350 |
list = gst_tag_list_copy (entry->tags);
|
|
Packit Service |
963350 |
if (ret->tags)
|
|
Packit Service |
963350 |
gst_tag_list_unref (ret->tags);
|
|
Packit Service |
963350 |
ret->tags = list;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
ret->subentries = gst_toc_deep_copy_toc_entries (entry->subentries);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return ret;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_copy:
|
|
Packit Service |
963350 |
* @toc: #GstToc to copy.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Copy #GstToc with all subentries (deep copy).
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Returns: (nullable): newly allocated #GstToc in case of success,
|
|
Packit Service |
963350 |
* %NULL otherwise; free it when done with gst_toc_unref().
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
static GstToc *
|
|
Packit Service |
963350 |
gst_toc_copy (const GstToc * toc)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
GstToc *ret;
|
|
Packit Service |
963350 |
GstTagList *list;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
g_return_val_if_fail (toc != NULL, NULL);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
ret = gst_toc_new (toc->scope);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
if (GST_IS_TAG_LIST (toc->tags)) {
|
|
Packit Service |
963350 |
list = gst_tag_list_copy (toc->tags);
|
|
Packit Service |
963350 |
gst_tag_list_unref (ret->tags);
|
|
Packit Service |
963350 |
ret->tags = list;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
ret->entries = gst_toc_deep_copy_toc_entries (toc->entries);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return ret;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_set_start_stop_times:
|
|
Packit Service |
963350 |
* @entry: #GstTocEntry to set values.
|
|
Packit Service |
963350 |
* @start: start value to set.
|
|
Packit Service |
963350 |
* @stop: stop value to set.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Set @start and @stop values for the @entry.
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
void
|
|
Packit Service |
963350 |
gst_toc_entry_set_start_stop_times (GstTocEntry * entry, gint64 start,
|
|
Packit Service |
963350 |
gint64 stop)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_if_fail (entry != NULL);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
entry->start = start;
|
|
Packit Service |
963350 |
entry->stop = stop;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_get_start_stop_times:
|
|
Packit Service |
963350 |
* @entry: #GstTocEntry to get values from.
|
|
Packit Service |
963350 |
* @start: (out) (allow-none): the storage for the start value, leave
|
|
Packit Service |
963350 |
* %NULL if not need.
|
|
Packit Service |
963350 |
* @stop: (out) (allow-none): the storage for the stop value, leave
|
|
Packit Service |
963350 |
* %NULL if not need.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Get @start and @stop values from the @entry and write them into appropriate
|
|
Packit Service |
963350 |
* storages.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Returns: %TRUE if all non-%NULL storage pointers were filled with appropriate
|
|
Packit Service |
963350 |
* values, %FALSE otherwise.
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
gboolean
|
|
Packit Service |
963350 |
gst_toc_entry_get_start_stop_times (const GstTocEntry * entry, gint64 * start,
|
|
Packit Service |
963350 |
gint64 * stop)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_val_if_fail (entry != NULL, FALSE);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
if (start != NULL)
|
|
Packit Service |
963350 |
*start = entry->start;
|
|
Packit Service |
963350 |
if (stop != NULL)
|
|
Packit Service |
963350 |
*stop = entry->stop;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return TRUE;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_set_loop:
|
|
Packit Service |
963350 |
* @entry: #GstTocEntry to set values.
|
|
Packit Service |
963350 |
* @loop_type: loop_type value to set.
|
|
Packit Service |
963350 |
* @repeat_count: repeat_count value to set.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Set @loop_type and @repeat_count values for the @entry.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Since: 1.4
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
void
|
|
Packit Service |
963350 |
gst_toc_entry_set_loop (GstTocEntry * entry, GstTocLoopType loop_type,
|
|
Packit Service |
963350 |
gint repeat_count)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_if_fail (entry != NULL);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
entry->loop_type = loop_type;
|
|
Packit Service |
963350 |
entry->repeat_count = repeat_count;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_get_loop:
|
|
Packit Service |
963350 |
* @entry: #GstTocEntry to get values from.
|
|
Packit Service |
963350 |
* @loop_type: (out) (allow-none): the storage for the loop_type
|
|
Packit Service |
963350 |
* value, leave %NULL if not need.
|
|
Packit Service |
963350 |
* @repeat_count: (out) (allow-none): the storage for the repeat_count
|
|
Packit Service |
963350 |
* value, leave %NULL if not need.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Get @loop_type and @repeat_count values from the @entry and write them into
|
|
Packit Service |
963350 |
* appropriate storages. Loops are e.g. used by sampled instruments. GStreamer
|
|
Packit Service |
963350 |
* is not automatically applying the loop. The application can process this
|
|
Packit Service |
963350 |
* meta data and use it e.g. to send a seek-event to loop a section.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Returns: %TRUE if all non-%NULL storage pointers were filled with appropriate
|
|
Packit Service |
963350 |
* values, %FALSE otherwise.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Since: 1.4
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
gboolean
|
|
Packit Service |
963350 |
gst_toc_entry_get_loop (const GstTocEntry * entry, GstTocLoopType * loop_type,
|
|
Packit Service |
963350 |
gint * repeat_count)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_val_if_fail (entry != NULL, FALSE);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
if (loop_type != NULL)
|
|
Packit Service |
963350 |
*loop_type = entry->loop_type;
|
|
Packit Service |
963350 |
if (repeat_count != NULL)
|
|
Packit Service |
963350 |
*repeat_count = entry->repeat_count;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return TRUE;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_type_get_nick:
|
|
Packit Service |
963350 |
* @type: a #GstTocEntryType.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Converts @type to a string representation.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Returns: Returns a human-readable string for @type. This string is
|
|
Packit Service |
963350 |
* only for debugging purpose and should not be displayed in a user
|
|
Packit Service |
963350 |
* interface.
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
const gchar *
|
|
Packit Service |
963350 |
gst_toc_entry_type_get_nick (GstTocEntryType type)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
switch (type) {
|
|
Packit Service |
963350 |
case GST_TOC_ENTRY_TYPE_ANGLE:
|
|
Packit Service |
963350 |
return "angle";
|
|
Packit Service |
963350 |
case GST_TOC_ENTRY_TYPE_VERSION:
|
|
Packit Service |
963350 |
return "version";
|
|
Packit Service |
963350 |
case GST_TOC_ENTRY_TYPE_EDITION:
|
|
Packit Service |
963350 |
return "edition";
|
|
Packit Service |
963350 |
case GST_TOC_ENTRY_TYPE_TITLE:
|
|
Packit Service |
963350 |
return "title";
|
|
Packit Service |
963350 |
case GST_TOC_ENTRY_TYPE_TRACK:
|
|
Packit Service |
963350 |
return "track";
|
|
Packit Service |
963350 |
case GST_TOC_ENTRY_TYPE_CHAPTER:
|
|
Packit Service |
963350 |
return "chapter";
|
|
Packit Service |
963350 |
default:
|
|
Packit Service |
963350 |
break;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
return "invalid";
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_get_entry_type:
|
|
Packit Service |
963350 |
* @entry: a #GstTocEntry
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Returns: @entry's entry type
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
GstTocEntryType
|
|
Packit Service |
963350 |
gst_toc_entry_get_entry_type (const GstTocEntry * entry)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_val_if_fail (entry != NULL, GST_TOC_ENTRY_TYPE_INVALID);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return entry->type;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_is_alternative:
|
|
Packit Service |
963350 |
* @entry: a #GstTocEntry
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Returns: %TRUE if @entry's type is an alternative type, otherwise %FALSE
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
gboolean
|
|
Packit Service |
963350 |
gst_toc_entry_is_alternative (const GstTocEntry * entry)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_val_if_fail (entry != NULL, FALSE);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return GST_TOC_ENTRY_TYPE_IS_ALTERNATIVE (entry->type);
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_is_sequence:
|
|
Packit Service |
963350 |
* @entry: a #GstTocEntry
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Returns: %TRUE if @entry's type is a sequence type, otherwise %FALSE
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
gboolean
|
|
Packit Service |
963350 |
gst_toc_entry_is_sequence (const GstTocEntry * entry)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_val_if_fail (entry != NULL, FALSE);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return GST_TOC_ENTRY_TYPE_IS_SEQUENCE (entry->type);
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_get_uid:
|
|
Packit Service |
963350 |
* @entry: A #GstTocEntry instance
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Gets the UID of @entry.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Returns: (transfer none): The UID of @entry
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
const gchar *
|
|
Packit Service |
963350 |
gst_toc_entry_get_uid (const GstTocEntry * entry)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_val_if_fail (entry != NULL, NULL);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return entry->uid;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_append_sub_entry:
|
|
Packit Service |
963350 |
* @entry: A #GstTocEntry instance
|
|
Packit Service |
963350 |
* @subentry: (transfer full): A #GstTocEntry
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Appends the #GstTocEntry @subentry to @entry.
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
void
|
|
Packit Service |
963350 |
gst_toc_entry_append_sub_entry (GstTocEntry * entry, GstTocEntry * subentry)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_if_fail (entry != NULL);
|
|
Packit Service |
963350 |
g_return_if_fail (subentry != NULL);
|
|
Packit Service |
963350 |
g_return_if_fail (gst_mini_object_is_writable (GST_MINI_OBJECT_CAST (entry)));
|
|
Packit Service |
963350 |
g_return_if_fail (gst_mini_object_is_writable (GST_MINI_OBJECT_CAST
|
|
Packit Service |
963350 |
(subentry)));
|
|
Packit Service |
963350 |
g_return_if_fail (subentry->toc == NULL);
|
|
Packit Service |
963350 |
g_return_if_fail (subentry->parent == NULL);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
entry->subentries = g_list_append (entry->subentries, subentry);
|
|
Packit Service |
963350 |
subentry->toc = entry->toc;
|
|
Packit Service |
963350 |
subentry->parent = entry;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
GST_LOG ("appended %s subentry with uid %s to entry %s",
|
|
Packit Service |
963350 |
gst_toc_entry_type_get_nick (subentry->type), subentry->uid, entry->uid);
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_get_sub_entries:
|
|
Packit Service |
963350 |
* @entry: A #GstTocEntry instance
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Gets the sub-entries of @entry.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Returns: (transfer none) (element-type Gst.TocEntry): A #GList of #GstTocEntry of @entry
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
GList *
|
|
Packit Service |
963350 |
gst_toc_entry_get_sub_entries (const GstTocEntry * entry)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_val_if_fail (entry != NULL, NULL);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return entry->subentries;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_set_tags:
|
|
Packit Service |
963350 |
* @entry: A #GstTocEntry instance
|
|
Packit Service |
963350 |
* @tags: (allow-none) (transfer full): A #GstTagList or %NULL
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Set a #GstTagList with tags for the complete @entry.
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
void
|
|
Packit Service |
963350 |
gst_toc_entry_set_tags (GstTocEntry * entry, GstTagList * tags)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_if_fail (entry != NULL);
|
|
Packit Service |
963350 |
g_return_if_fail (gst_mini_object_is_writable (GST_MINI_OBJECT_CAST (entry)));
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
if (entry->tags)
|
|
Packit Service |
963350 |
gst_tag_list_unref (entry->tags);
|
|
Packit Service |
963350 |
entry->tags = tags;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_merge_tags:
|
|
Packit Service |
963350 |
* @entry: A #GstTocEntry instance
|
|
Packit Service |
963350 |
* @tags: (allow-none): A #GstTagList or %NULL
|
|
Packit Service |
963350 |
* @mode: A #GstTagMergeMode
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Merge @tags into the existing tags of @entry using @mode.
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
void
|
|
Packit Service |
963350 |
gst_toc_entry_merge_tags (GstTocEntry * entry, GstTagList * tags,
|
|
Packit Service |
963350 |
GstTagMergeMode mode)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_if_fail (entry != NULL);
|
|
Packit Service |
963350 |
g_return_if_fail (gst_mini_object_is_writable (GST_MINI_OBJECT_CAST (entry)));
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
if (!entry->tags) {
|
|
Packit Service |
963350 |
entry->tags = gst_tag_list_ref (tags);
|
|
Packit Service |
963350 |
} else {
|
|
Packit Service |
963350 |
GstTagList *tmp = gst_tag_list_merge (entry->tags, tags, mode);
|
|
Packit Service |
963350 |
gst_tag_list_unref (entry->tags);
|
|
Packit Service |
963350 |
entry->tags = tmp;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_get_tags:
|
|
Packit Service |
963350 |
* @entry: A #GstTocEntry instance
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Gets the tags for @entry.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Returns: (transfer none): A #GstTagList for @entry
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
GstTagList *
|
|
Packit Service |
963350 |
gst_toc_entry_get_tags (const GstTocEntry * entry)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_val_if_fail (entry != NULL, NULL);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return entry->tags;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_get_toc:
|
|
Packit Service |
963350 |
* @entry: A #GstTocEntry instance
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Gets the parent #GstToc of @entry.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Returns: (transfer none): The parent #GstToc of @entry
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
GstToc *
|
|
Packit Service |
963350 |
gst_toc_entry_get_toc (GstTocEntry * entry)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_val_if_fail (entry != NULL, NULL);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return entry->toc;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
/**
|
|
Packit Service |
963350 |
* gst_toc_entry_get_parent:
|
|
Packit Service |
963350 |
* @entry: A #GstTocEntry instance
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Gets the parent #GstTocEntry of @entry.
|
|
Packit Service |
963350 |
*
|
|
Packit Service |
963350 |
* Returns: (transfer none) (nullable): The parent #GstTocEntry of @entry
|
|
Packit Service |
963350 |
*/
|
|
Packit Service |
963350 |
GstTocEntry *
|
|
Packit Service |
963350 |
gst_toc_entry_get_parent (GstTocEntry * entry)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
g_return_val_if_fail (entry != NULL, NULL);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
return entry->parent;
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
#ifndef GST_DISABLE_GST_DEBUG
|
|
Packit Service |
963350 |
static void
|
|
Packit Service |
963350 |
gst_toc_dump_entries (GList * entries, guint depth)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
GList *e;
|
|
Packit Service |
963350 |
gchar *indent;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
indent = g_malloc0 (depth + 1);
|
|
Packit Service |
963350 |
memset (indent, ' ', depth);
|
|
Packit Service |
963350 |
for (e = entries; e != NULL; e = e->next) {
|
|
Packit Service |
963350 |
GstTocEntry *entry = e->data;
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
GST_TRACE ("%s+ %s (%s), %" GST_TIME_FORMAT " - %" GST_TIME_FORMAT ", "
|
|
Packit Service |
963350 |
"tags: %" GST_PTR_FORMAT, indent, entry->uid,
|
|
Packit Service |
963350 |
gst_toc_entry_type_get_nick (entry->type),
|
|
Packit Service |
963350 |
GST_TIME_ARGS (entry->start), GST_TIME_ARGS (entry->stop), entry->tags);
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
if (entry->subentries != NULL)
|
|
Packit Service |
963350 |
gst_toc_dump_entries (entry->subentries, depth + 2);
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
g_free (indent);
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
#endif
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
void
|
|
Packit Service |
963350 |
gst_toc_dump (GstToc * toc)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
#ifndef GST_DISABLE_GST_DEBUG
|
|
Packit Service |
963350 |
GST_TRACE (" Toc %p, scope: %s, tags: %" GST_PTR_FORMAT, toc,
|
|
Packit Service |
963350 |
(toc->scope == GST_TOC_SCOPE_GLOBAL) ? "global" : "current", toc->tags);
|
|
Packit Service |
963350 |
gst_toc_dump_entries (toc->entries, 2);
|
|
Packit Service |
963350 |
#endif
|
|
Packit Service |
963350 |
}
|
|
Packit Service |
963350 |
|
|
Packit Service |
963350 |
void
|
|
Packit Service |
963350 |
_priv_gst_toc_initialize (void)
|
|
Packit Service |
963350 |
{
|
|
Packit Service |
963350 |
_gst_toc_type = gst_toc_get_type ();
|
|
Packit Service |
963350 |
_gst_toc_entry_type = gst_toc_entry_get_type ();
|
|
Packit Service |
963350 |
}
|