| /* GStreamer |
| * Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de> |
| * |
| * gsttaglist.h: Header for tag support |
| * |
| * 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_TAGLIST_H__ |
| #define __GST_TAGLIST_H__ |
| |
| #include <gst/gstdatetime.h> |
| #include <gst/gstsample.h> |
| #include <gst/gstbuffer.h> |
| #include <gst/glib-compat.h> |
| |
| G_BEGIN_DECLS |
| |
| /** |
| * GstTagMergeMode: |
| * @GST_TAG_MERGE_UNDEFINED: undefined merge mode |
| * @GST_TAG_MERGE_REPLACE_ALL: replace all tags (clear list and append) |
| * @GST_TAG_MERGE_REPLACE: replace tags |
| * @GST_TAG_MERGE_APPEND: append tags |
| * @GST_TAG_MERGE_PREPEND: prepend tags |
| * @GST_TAG_MERGE_KEEP: keep existing tags |
| * @GST_TAG_MERGE_KEEP_ALL: keep all existing tags |
| * @GST_TAG_MERGE_COUNT: the number of merge modes |
| * |
| * The different tag merging modes are basically replace, overwrite and append, |
| * but they can be seen from two directions. Given two taglists: (A) the tags |
| * already in the element and (B) the ones that are supplied to the element ( |
| * e.g. via gst_tag_setter_merge_tags() / gst_tag_setter_add_tags() or a |
| * %GST_EVENT_TAG), how are these tags merged? |
| * In the table below this is shown for the cases that a tag exists in the list |
| * (A) or does not exists (!A) and combinations thereof. |
| * |
| * <table frame="all" colsep="1" rowsep="1"> |
| * <title>merge mode</title> |
| * <tgroup cols='5' align='left'> |
| * <thead> |
| * <row> |
| * <entry>merge mode</entry> |
| * <entry>A + B</entry> |
| * <entry>A + !B</entry> |
| * <entry>!A + B</entry> |
| * <entry>!A + !B</entry> |
| * </row> |
| * </thead> |
| * <tbody> |
| * <row> |
| * <entry>REPLACE_ALL</entry> |
| * <entry>B</entry> |
| * <entry>-</entry> |
| * <entry>B</entry> |
| * <entry>-</entry> |
| * </row> |
| * <row> |
| * <entry>REPLACE</entry> |
| * <entry>B</entry> |
| * <entry>A</entry> |
| * <entry>B</entry> |
| * <entry>-</entry> |
| * </row> |
| * <row> |
| * <entry>APPEND</entry> |
| * <entry>A, B</entry> |
| * <entry>A</entry> |
| * <entry>B</entry> |
| * <entry>-</entry> |
| * </row> |
| * <row> |
| * <entry>PREPEND</entry> |
| * <entry>B, A</entry> |
| * <entry>A</entry> |
| * <entry>B</entry> |
| * <entry>-</entry> |
| * </row> |
| * <row> |
| * <entry>KEEP</entry> |
| * <entry>A</entry> |
| * <entry>A</entry> |
| * <entry>B</entry> |
| * <entry>-</entry> |
| * </row> |
| * <row> |
| * <entry>KEEP_ALL</entry> |
| * <entry>A</entry> |
| * <entry>A</entry> |
| * <entry>-</entry> |
| * <entry>-</entry> |
| * </row> |
| * </tbody> |
| * </tgroup> |
| * </table> |
| */ |
| typedef enum { |
| GST_TAG_MERGE_UNDEFINED, |
| GST_TAG_MERGE_REPLACE_ALL, |
| GST_TAG_MERGE_REPLACE, |
| GST_TAG_MERGE_APPEND, |
| GST_TAG_MERGE_PREPEND, |
| GST_TAG_MERGE_KEEP, |
| GST_TAG_MERGE_KEEP_ALL, |
| /* add more */ |
| GST_TAG_MERGE_COUNT |
| } GstTagMergeMode; |
| |
| #define GST_TAG_MODE_IS_VALID(mode) (((mode) > GST_TAG_MERGE_UNDEFINED) && ((mode) < GST_TAG_MERGE_COUNT)) |
| |
| /** |
| * GstTagFlag: |
| * @GST_TAG_FLAG_UNDEFINED: undefined flag |
| * @GST_TAG_FLAG_META: tag is meta data |
| * @GST_TAG_FLAG_ENCODED: tag is encoded |
| * @GST_TAG_FLAG_DECODED: tag is decoded |
| * @GST_TAG_FLAG_COUNT: number of tag flags |
| * |
| * Extra tag flags used when registering tags. |
| */ |
| /* FIXME: these are not really flags .. */ |
| typedef enum { |
| GST_TAG_FLAG_UNDEFINED, |
| GST_TAG_FLAG_META, |
| GST_TAG_FLAG_ENCODED, |
| GST_TAG_FLAG_DECODED, |
| GST_TAG_FLAG_COUNT |
| } GstTagFlag; |
| |
| #define GST_TAG_FLAG_IS_VALID(flag) (((flag) > GST_TAG_FLAG_UNDEFINED) && ((flag) < GST_TAG_FLAG_COUNT)) |
| |
| /** |
| * GstTagList: |
| * @mini_object: the parent type |
| * |
| * Object describing tags / metadata. |
| */ |
| typedef struct _GstTagList GstTagList; |
| struct _GstTagList { |
| GstMiniObject mini_object; |
| }; |
| |
| GST_EXPORT GType _gst_tag_list_type; |
| |
| #define GST_TAG_LIST(x) ((GstTagList *) (x)) |
| #define GST_TYPE_TAG_LIST (_gst_tag_list_type) |
| #define GST_IS_TAG_LIST(obj) (GST_IS_MINI_OBJECT_TYPE((obj), GST_TYPE_TAG_LIST)) |
| |
| /** |
| * GstTagForeachFunc: |
| * @list: the #GstTagList |
| * @tag: a name of a tag in @list |
| * @user_data: user data |
| * |
| * A function that will be called in gst_tag_list_foreach(). The function may |
| * not modify the tag list. |
| */ |
| typedef void (*GstTagForeachFunc) (const GstTagList * list, |
| const gchar * tag, |
| gpointer user_data); |
| |
| /** |
| * GstTagMergeFunc: |
| * @dest: the destination #GValue |
| * @src: the source #GValue |
| * |
| * A function for merging multiple values of a tag used when registering |
| * tags. |
| */ |
| typedef void (* GstTagMergeFunc) (GValue *dest, const GValue *src); |
| |
| GType gst_tag_list_get_type (void); |
| |
| /* tag registration */ |
| void gst_tag_register (const gchar * name, |
| GstTagFlag flag, |
| GType type, |
| const gchar * nick, |
| const gchar * blurb, |
| GstTagMergeFunc func); |
| |
| void gst_tag_register_static (const gchar * name, |
| GstTagFlag flag, |
| GType type, |
| const gchar * nick, |
| const gchar * blurb, |
| GstTagMergeFunc func); |
| |
| /* some default merging functions */ |
| void gst_tag_merge_use_first (GValue * dest, const GValue * src); |
| void gst_tag_merge_strings_with_comma (GValue * dest, const GValue * src); |
| |
| /* basic tag support */ |
| gboolean gst_tag_exists (const gchar * tag); |
| GType gst_tag_get_type (const gchar * tag); |
| const gchar * gst_tag_get_nick (const gchar * tag); |
| const gchar * gst_tag_get_description (const gchar * tag); |
| GstTagFlag gst_tag_get_flag (const gchar * tag); |
| gboolean gst_tag_is_fixed (const gchar * tag); |
| |
| /* tag lists */ |
| |
| /** |
| * GstTagScope: |
| * @GST_TAG_SCOPE_STREAM: tags specific to this single stream |
| * @GST_TAG_SCOPE_GLOBAL: global tags for the complete medium |
| * |
| * GstTagScope specifies if a taglist applies to the complete |
| * medium or only to one single stream. |
| */ |
| typedef enum { |
| GST_TAG_SCOPE_STREAM, |
| GST_TAG_SCOPE_GLOBAL |
| } GstTagScope; |
| |
| GstTagList * gst_tag_list_new_empty (void) G_GNUC_MALLOC; |
| GstTagList * gst_tag_list_new (const gchar * tag, ...) G_GNUC_MALLOC; |
| GstTagList * gst_tag_list_new_valist (va_list var_args) G_GNUC_MALLOC; |
| |
| void gst_tag_list_set_scope (GstTagList * list, GstTagScope scope); |
| GstTagScope gst_tag_list_get_scope (const GstTagList * list); |
| |
| gchar * gst_tag_list_to_string (const GstTagList * list) G_GNUC_MALLOC; |
| GstTagList * gst_tag_list_new_from_string (const gchar * str) G_GNUC_MALLOC; |
| |
| gint gst_tag_list_n_tags (const GstTagList * list); |
| const gchar* gst_tag_list_nth_tag_name (const GstTagList * list, guint index); |
| gboolean gst_tag_list_is_empty (const GstTagList * list); |
| gboolean gst_tag_list_is_equal (const GstTagList * list1, |
| const GstTagList * list2); |
| void gst_tag_list_insert (GstTagList * into, |
| const GstTagList * from, |
| GstTagMergeMode mode); |
| GstTagList * gst_tag_list_merge (const GstTagList * list1, |
| const GstTagList * list2, |
| GstTagMergeMode mode) G_GNUC_MALLOC; |
| guint gst_tag_list_get_tag_size (const GstTagList * list, |
| const gchar * tag); |
| void gst_tag_list_add (GstTagList * list, |
| GstTagMergeMode mode, |
| const gchar * tag, |
| ...) G_GNUC_NULL_TERMINATED; |
| void gst_tag_list_add_values (GstTagList * list, |
| GstTagMergeMode mode, |
| const gchar * tag, |
| ...) G_GNUC_NULL_TERMINATED; |
| void gst_tag_list_add_valist (GstTagList * list, |
| GstTagMergeMode mode, |
| const gchar * tag, |
| va_list var_args); |
| void gst_tag_list_add_valist_values (GstTagList * list, |
| GstTagMergeMode mode, |
| const gchar * tag, |
| va_list var_args); |
| void gst_tag_list_add_value (GstTagList * list, |
| GstTagMergeMode mode, |
| const gchar * tag, |
| const GValue * value); |
| void gst_tag_list_remove_tag (GstTagList * list, |
| const gchar * tag); |
| void gst_tag_list_foreach (const GstTagList * list, |
| GstTagForeachFunc func, |
| gpointer user_data); |
| |
| const GValue * |
| gst_tag_list_get_value_index (const GstTagList * list, |
| const gchar * tag, |
| guint index); |
| gboolean gst_tag_list_copy_value (GValue * dest, |
| const GstTagList * list, |
| const gchar * tag); |
| |
| /* simplifications (FIXME: do we want them?) */ |
| gboolean gst_tag_list_get_boolean (const GstTagList * list, |
| const gchar * tag, |
| gboolean * value); |
| gboolean gst_tag_list_get_boolean_index (const GstTagList * list, |
| const gchar * tag, |
| guint index, |
| gboolean * value); |
| gboolean gst_tag_list_get_int (const GstTagList * list, |
| const gchar * tag, |
| gint * value); |
| gboolean gst_tag_list_get_int_index (const GstTagList * list, |
| const gchar * tag, |
| guint index, |
| gint * value); |
| gboolean gst_tag_list_get_uint (const GstTagList * list, |
| const gchar * tag, |
| guint * value); |
| gboolean gst_tag_list_get_uint_index (const GstTagList * list, |
| const gchar * tag, |
| guint index, |
| guint * value); |
| gboolean gst_tag_list_get_int64 (const GstTagList * list, |
| const gchar * tag, |
| gint64 * value); |
| gboolean gst_tag_list_get_int64_index (const GstTagList * list, |
| const gchar * tag, |
| guint index, |
| gint64 * value); |
| gboolean gst_tag_list_get_uint64 (const GstTagList * list, |
| const gchar * tag, |
| guint64 * value); |
| gboolean gst_tag_list_get_uint64_index (const GstTagList * list, |
| const gchar * tag, |
| guint index, |
| guint64 * value); |
| gboolean gst_tag_list_get_float (const GstTagList * list, |
| const gchar * tag, |
| gfloat * value); |
| gboolean gst_tag_list_get_float_index (const GstTagList * list, |
| const gchar * tag, |
| guint index, |
| gfloat * value); |
| gboolean gst_tag_list_get_double (const GstTagList * list, |
| const gchar * tag, |
| gdouble * value); |
| gboolean gst_tag_list_get_double_index (const GstTagList * list, |
| const gchar * tag, |
| guint index, |
| gdouble * value); |
| gboolean gst_tag_list_get_string (const GstTagList * list, |
| const gchar * tag, |
| gchar ** value); |
| gboolean gst_tag_list_get_string_index (const GstTagList * list, |
| const gchar * tag, |
| guint index, |
| gchar ** value); |
| gboolean gst_tag_list_peek_string_index (const GstTagList * list, |
| const gchar * tag, |
| guint index, |
| const gchar ** value); |
| gboolean gst_tag_list_get_pointer (const GstTagList * list, |
| const gchar * tag, |
| gpointer * value); |
| gboolean gst_tag_list_get_pointer_index (const GstTagList * list, |
| const gchar * tag, |
| guint index, |
| gpointer * value); |
| gboolean gst_tag_list_get_date (const GstTagList * list, |
| const gchar * tag, |
| GDate ** value); |
| gboolean gst_tag_list_get_date_index (const GstTagList * list, |
| const gchar * tag, |
| guint index, |
| GDate ** value); |
| gboolean gst_tag_list_get_date_time (const GstTagList * list, |
| const gchar * tag, |
| GstDateTime ** value); |
| gboolean gst_tag_list_get_date_time_index (const GstTagList * list, |
| const gchar * tag, |
| guint index, |
| GstDateTime ** value); |
| gboolean gst_tag_list_get_sample (const GstTagList * list, |
| const gchar * tag, |
| GstSample ** sample); |
| gboolean gst_tag_list_get_sample_index (const GstTagList * list, |
| const gchar * tag, |
| guint index, |
| GstSample ** sample); |
| |
| /* refcounting */ |
| /** |
| * gst_tag_list_ref: |
| * @taglist: the #GstTagList to reference |
| * |
| * Add a reference to a #GstTagList mini object. |
| * |
| * From this point on, until the caller calls gst_tag_list_unref() or |
| * gst_tag_list_make_writable(), it is guaranteed that the taglist object will |
| * not change. To use a #GstTagList object, you must always have a refcount on |
| * it -- either the one made implicitly by e.g. gst_tag_list_new(), or via |
| * taking one explicitly with this function. |
| * |
| * Returns: the same #GstTagList mini object. |
| */ |
| static inline GstTagList * |
| gst_tag_list_ref (GstTagList * taglist) |
| { |
| return (GstTagList *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (taglist)); |
| } |
| |
| /** |
| * gst_tag_list_unref: |
| * @taglist: a #GstTagList. |
| * |
| * Unref a #GstTagList, and and free all its memory when the refcount reaches 0. |
| */ |
| static inline void |
| gst_tag_list_unref (GstTagList * taglist) |
| { |
| gst_mini_object_unref (GST_MINI_OBJECT_CAST (taglist)); |
| } |
| |
| /** |
| * gst_tag_list_copy: |
| * @taglist: a #GstTagList. |
| * |
| * Creates a new #GstTagList as a copy of the old @taglist. The new taglist |
| * will have a refcount of 1, owned by the caller, and will be writable as |
| * a result. |
| * |
| * Note that this function is the semantic equivalent of a gst_tag_list_ref() |
| * followed by a gst_tag_list_make_writable(). If you only want to hold on to a |
| * reference to the data, you should use gst_tag_list_ref(). |
| * |
| * When you are finished with the taglist, call gst_tag_list_unref() on it. |
| * |
| * Returns: the new #GstTagList |
| */ |
| static inline GstTagList * |
| gst_tag_list_copy (const GstTagList * taglist) |
| { |
| return GST_TAG_LIST (gst_mini_object_copy (GST_MINI_OBJECT_CAST (taglist))); |
| } |
| |
| /** |
| * gst_tag_list_is_writable: |
| * @taglist: a #GstTagList |
| * |
| * Tests if you can safely modify @taglist. It is only safe to modify taglist |
| * when there is only one owner of the taglist - ie, the refcount is 1. |
| */ |
| #define gst_tag_list_is_writable(taglist) gst_mini_object_is_writable (GST_MINI_OBJECT_CAST (taglist)) |
| |
| /** |
| * gst_tag_list_make_writable: |
| * @taglist: (transfer full): a #GstTagList |
| * |
| * Returns a writable copy of @taglist. |
| * |
| * If there is only one reference count on @taglist, the caller must be the |
| * owner, and so this function will return the taglist object unchanged. If on |
| * the other hand there is more than one reference on the object, a new taglist |
| * object will be returned (which will be a copy of @taglist). The caller's |
| * reference on @taglist will be removed, and instead the caller will own a |
| * reference to the returned object. |
| * |
| * In short, this function unrefs the taglist in the argument and refs the |
| * taglist that it returns. Don't access the argument after calling this |
| * function. See also: gst_tag_list_ref(). |
| * |
| * Returns: (transfer full): a writable taglist which may or may not be the |
| * same as @taglist |
| */ |
| #define gst_tag_list_make_writable(taglist) GST_TAG_LIST (gst_mini_object_make_writable (GST_MINI_OBJECT_CAST (taglist))) |
| |
| /* GStreamer core tags */ |
| /** |
| * GST_TAG_TITLE: |
| * |
| * commonly used title (string) |
| * |
| * The title as it should be displayed, e.g. 'The Doll House' |
| */ |
| #define GST_TAG_TITLE "title" |
| /** |
| * GST_TAG_TITLE_SORTNAME: |
| * |
| * commonly used title, as used for sorting (string) |
| * |
| * The title as it should be sorted, e.g. 'Doll House, The' |
| */ |
| #define GST_TAG_TITLE_SORTNAME "title-sortname" |
| /** |
| * GST_TAG_ARTIST: |
| * |
| * person(s) responsible for the recording (string) |
| * |
| * The artist name as it should be displayed, e.g. 'Jimi Hendrix' or |
| * 'The Guitar Heroes' |
| */ |
| #define GST_TAG_ARTIST "artist" |
| /** |
| * GST_TAG_ARTIST_SORTNAME: |
| * |
| * person(s) responsible for the recording, as used for sorting (string) |
| * |
| * The artist name as it should be sorted, e.g. 'Hendrix, Jimi' or |
| * 'Guitar Heroes, The' |
| */ |
| #define GST_TAG_ARTIST_SORTNAME "artist-sortname" |
| /** |
| * GST_TAG_ALBUM: |
| * |
| * album containing this data (string) |
| * |
| * The album name as it should be displayed, e.g. 'The Jazz Guitar' |
| */ |
| #define GST_TAG_ALBUM "album" |
| /** |
| * GST_TAG_ALBUM_SORTNAME: |
| * |
| * album containing this data, as used for sorting (string) |
| * |
| * The album name as it should be sorted, e.g. 'Jazz Guitar, The' |
| */ |
| #define GST_TAG_ALBUM_SORTNAME "album-sortname" |
| /** |
| * GST_TAG_ALBUM_ARTIST: |
| * |
| * The artist of the entire album, as it should be displayed. |
| */ |
| #define GST_TAG_ALBUM_ARTIST "album-artist" |
| /** |
| * GST_TAG_ALBUM_ARTIST_SORTNAME: |
| * |
| * The artist of the entire album, as it should be sorted. |
| */ |
| #define GST_TAG_ALBUM_ARTIST_SORTNAME "album-artist-sortname" |
| /** |
| * GST_TAG_COMPOSER: |
| * |
| * person(s) who composed the recording (string) |
| */ |
| #define GST_TAG_COMPOSER "composer" |
| /** |
| * GST_TAG_CONDUCTOR: |
| * |
| * conductor/performer refinement (string) |
| * |
| * Since: 1.8 |
| */ |
| #define GST_TAG_CONDUCTOR "conductor" |
| /** |
| * GST_TAG_DATE: |
| * |
| * date the data was created (#GDate structure) |
| */ |
| #define GST_TAG_DATE "date" |
| /** |
| * GST_TAG_DATE_TIME: |
| * |
| * date and time the data was created (#GstDateTime structure) |
| */ |
| #define GST_TAG_DATE_TIME "datetime" |
| /** |
| * GST_TAG_GENRE: |
| * |
| * genre this data belongs to (string) |
| */ |
| #define GST_TAG_GENRE "genre" |
| /** |
| * GST_TAG_COMMENT: |
| * |
| * free text commenting the data (string) |
| */ |
| #define GST_TAG_COMMENT "comment" |
| /** |
| * GST_TAG_EXTENDED_COMMENT: |
| * |
| * key/value text commenting the data (string) |
| * |
| * Must be in the form of 'key=comment' or |
| * 'key[lc]=comment' where 'lc' is an ISO-639 |
| * language code. |
| * |
| * This tag is used for unknown Vorbis comment tags, |
| * unknown APE tags and certain ID3v2 comment fields. |
| */ |
| #define GST_TAG_EXTENDED_COMMENT "extended-comment" |
| /** |
| * GST_TAG_TRACK_NUMBER: |
| * |
| * track number inside a collection (unsigned integer) |
| */ |
| #define GST_TAG_TRACK_NUMBER "track-number" |
| /** |
| * GST_TAG_TRACK_COUNT: |
| * |
| * count of tracks inside collection this track belongs to (unsigned integer) |
| */ |
| #define GST_TAG_TRACK_COUNT "track-count" |
| /** |
| * GST_TAG_ALBUM_VOLUME_NUMBER: |
| * |
| * disc number inside a collection (unsigned integer) |
| */ |
| #define GST_TAG_ALBUM_VOLUME_NUMBER "album-disc-number" |
| /** |
| * GST_TAG_ALBUM_VOLUME_COUNT: |
| * |
| * count of discs inside collection this disc belongs to (unsigned integer) |
| */ |
| #define GST_TAG_ALBUM_VOLUME_COUNT "album-disc-count" |
| /** |
| * GST_TAG_LOCATION: |
| * |
| * Origin of media as a URI (location, where the original of the file or stream |
| * is hosted) (string) |
| */ |
| #define GST_TAG_LOCATION "location" |
| /** |
| * GST_TAG_HOMEPAGE: |
| * |
| * Homepage for this media (i.e. artist or movie homepage) (string) |
| */ |
| #define GST_TAG_HOMEPAGE "homepage" |
| /** |
| * GST_TAG_DESCRIPTION: |
| * |
| * short text describing the content of the data (string) |
| */ |
| #define GST_TAG_DESCRIPTION "description" |
| /** |
| * GST_TAG_VERSION: |
| * |
| * version of this data (string) |
| */ |
| #define GST_TAG_VERSION "version" |
| /** |
| * GST_TAG_ISRC: |
| * |
| * International Standard Recording Code - see http://www.ifpi.org/isrc/ (string) |
| */ |
| #define GST_TAG_ISRC "isrc" |
| /** |
| * GST_TAG_ORGANIZATION: |
| * |
| * organization (string) |
| */ |
| #define GST_TAG_ORGANIZATION "organization" |
| /** |
| * GST_TAG_COPYRIGHT: |
| * |
| * copyright notice of the data (string) |
| */ |
| #define GST_TAG_COPYRIGHT "copyright" |
| /** |
| * GST_TAG_COPYRIGHT_URI: |
| * |
| * URI to location where copyright details can be found (string) |
| */ |
| #define GST_TAG_COPYRIGHT_URI "copyright-uri" |
| /** |
| * GST_TAG_ENCODED_BY: |
| * |
| * name of the person or organisation that encoded the file. May contain a |
| * copyright message if the person or organisation also holds the copyright |
| * (string) |
| * |
| * Note: do not use this field to describe the encoding application. Use |
| * #GST_TAG_APPLICATION_NAME or #GST_TAG_COMMENT for that. |
| */ |
| #define GST_TAG_ENCODED_BY "encoded-by" |
| /** |
| * GST_TAG_CONTACT: |
| * |
| * contact information (string) |
| */ |
| #define GST_TAG_CONTACT "contact" |
| /** |
| * GST_TAG_LICENSE: |
| * |
| * license of data (string) |
| */ |
| #define GST_TAG_LICENSE "license" |
| /** |
| * GST_TAG_LICENSE_URI: |
| * |
| * URI to location where license details can be found (string) |
| */ |
| #define GST_TAG_LICENSE_URI "license-uri" |
| /** |
| * GST_TAG_PERFORMER: |
| * |
| * person(s) performing (string) |
| */ |
| #define GST_TAG_PERFORMER "performer" |
| /** |
| * GST_TAG_DURATION: |
| * |
| * length in GStreamer time units (nanoseconds) (unsigned 64-bit integer) |
| */ |
| #define GST_TAG_DURATION "duration" |
| /** |
| * GST_TAG_CODEC: |
| * |
| * codec the data is stored in (string) |
| */ |
| #define GST_TAG_CODEC "codec" |
| /** |
| * GST_TAG_VIDEO_CODEC: |
| * |
| * codec the video data is stored in (string) |
| */ |
| #define GST_TAG_VIDEO_CODEC "video-codec" |
| /** |
| * GST_TAG_AUDIO_CODEC: |
| * |
| * codec the audio data is stored in (string) |
| */ |
| #define GST_TAG_AUDIO_CODEC "audio-codec" |
| /** |
| * GST_TAG_SUBTITLE_CODEC: |
| * |
| * codec/format the subtitle data is stored in (string) |
| */ |
| #define GST_TAG_SUBTITLE_CODEC "subtitle-codec" |
| /** |
| * GST_TAG_CONTAINER_FORMAT: |
| * |
| * container format the data is stored in (string) |
| */ |
| #define GST_TAG_CONTAINER_FORMAT "container-format" |
| /** |
| * GST_TAG_BITRATE: |
| * |
| * exact or average bitrate in bits/s (unsigned integer) |
| */ |
| #define GST_TAG_BITRATE "bitrate" |
| /** |
| * GST_TAG_NOMINAL_BITRATE: |
| * |
| * nominal bitrate in bits/s (unsigned integer). The actual bitrate might be |
| * different from this target bitrate. |
| */ |
| #define GST_TAG_NOMINAL_BITRATE "nominal-bitrate" |
| /** |
| * GST_TAG_MINIMUM_BITRATE: |
| * |
| * minimum bitrate in bits/s (unsigned integer) |
| */ |
| #define GST_TAG_MINIMUM_BITRATE "minimum-bitrate" |
| /** |
| * GST_TAG_MAXIMUM_BITRATE: |
| * |
| * maximum bitrate in bits/s (unsigned integer) |
| */ |
| #define GST_TAG_MAXIMUM_BITRATE "maximum-bitrate" |
| /** |
| * GST_TAG_SERIAL: |
| * |
| * serial number of track (unsigned integer) |
| */ |
| #define GST_TAG_SERIAL "serial" |
| /** |
| * GST_TAG_ENCODER: |
| * |
| * encoder used to encode this stream (string) |
| */ |
| #define GST_TAG_ENCODER "encoder" |
| /** |
| * GST_TAG_ENCODER_VERSION: |
| * |
| * version of the encoder used to encode this stream (unsigned integer) |
| */ |
| #define GST_TAG_ENCODER_VERSION "encoder-version" |
| /** |
| * GST_TAG_TRACK_GAIN: |
| * |
| * track gain in db (double) |
| */ |
| #define GST_TAG_TRACK_GAIN "replaygain-track-gain" |
| /** |
| * GST_TAG_TRACK_PEAK: |
| * |
| * peak of the track (double) |
| */ |
| #define GST_TAG_TRACK_PEAK "replaygain-track-peak" |
| /** |
| * GST_TAG_ALBUM_GAIN: |
| * |
| * album gain in db (double) |
| */ |
| #define GST_TAG_ALBUM_GAIN "replaygain-album-gain" |
| /** |
| * GST_TAG_ALBUM_PEAK: |
| * |
| * peak of the album (double) |
| */ |
| #define GST_TAG_ALBUM_PEAK "replaygain-album-peak" |
| /** |
| * GST_TAG_REFERENCE_LEVEL: |
| * |
| * reference level of track and album gain values (double) |
| */ |
| #define GST_TAG_REFERENCE_LEVEL "replaygain-reference-level" |
| /** |
| * GST_TAG_LANGUAGE_CODE: |
| * |
| * ISO-639-2 or ISO-639-1 code for the language the content is in (string) |
| * |
| * There is utility API in libgsttag in gst-plugins-base to obtain a translated |
| * language name from the language code: gst_tag_get_language_name() |
| */ |
| #define GST_TAG_LANGUAGE_CODE "language-code" |
| /** |
| * GST_TAG_LANGUAGE_NAME: |
| * |
| * Name of the language the content is in (string) |
| * |
| * Free-form name of the language the content is in, if a language code |
| * is not available. This tag should not be set in addition to a language |
| * code. It is undefined what language or locale the language name is in. |
| */ |
| #define GST_TAG_LANGUAGE_NAME "language-name" |
| /** |
| * GST_TAG_IMAGE: |
| * |
| * image (sample) (sample taglist should specify the content type and preferably |
| * also set "image-type" field as #GstTagImageType) |
| */ |
| #define GST_TAG_IMAGE "image" |
| /** |
| * GST_TAG_PREVIEW_IMAGE: |
| * |
| * image that is meant for preview purposes, e.g. small icon-sized version |
| * (sample) (sample taglist should specify the content type) |
| */ |
| #define GST_TAG_PREVIEW_IMAGE "preview-image" |
| |
| /** |
| * GST_TAG_ATTACHMENT: |
| * |
| * generic file attachment (sample) (sample taglist should specify the content |
| * type and if possible set "filename" to the file name of the |
| * attachment) |
| */ |
| #define GST_TAG_ATTACHMENT "attachment" |
| |
| /** |
| * GST_TAG_BEATS_PER_MINUTE: |
| * |
| * number of beats per minute in audio (double) |
| */ |
| #define GST_TAG_BEATS_PER_MINUTE "beats-per-minute" |
| |
| /** |
| * GST_TAG_KEYWORDS: |
| * |
| * comma separated keywords describing the content (string). |
| */ |
| #define GST_TAG_KEYWORDS "keywords" |
| |
| /** |
| * GST_TAG_GEO_LOCATION_NAME: |
| * |
| * human readable descriptive location of where the media has been recorded or |
| * produced. (string). |
| */ |
| #define GST_TAG_GEO_LOCATION_NAME "geo-location-name" |
| |
| /** |
| * GST_TAG_GEO_LOCATION_LATITUDE: |
| * |
| * geo latitude location of where the media has been recorded or produced in |
| * degrees according to WGS84 (zero at the equator, negative values for southern |
| * latitudes) (double). |
| */ |
| #define GST_TAG_GEO_LOCATION_LATITUDE "geo-location-latitude" |
| |
| /** |
| * GST_TAG_GEO_LOCATION_LONGITUDE: |
| * |
| * geo longitude location of where the media has been recorded or produced in |
| * degrees according to WGS84 (zero at the prime meridian in Greenwich/UK, |
| * negative values for western longitudes). (double). |
| */ |
| #define GST_TAG_GEO_LOCATION_LONGITUDE "geo-location-longitude" |
| |
| /** |
| * GST_TAG_GEO_LOCATION_ELEVATION: |
| * |
| * geo elevation of where the media has been recorded or produced in meters |
| * according to WGS84 (zero is average sea level) (double). |
| */ |
| #define GST_TAG_GEO_LOCATION_ELEVATION "geo-location-elevation" |
| /** |
| * GST_TAG_GEO_LOCATION_COUNTRY: |
| * |
| * The country (english name) where the media has been produced (string). |
| */ |
| #define GST_TAG_GEO_LOCATION_COUNTRY "geo-location-country" |
| /** |
| * GST_TAG_GEO_LOCATION_CITY: |
| * |
| * The city (english name) where the media has been produced (string). |
| */ |
| #define GST_TAG_GEO_LOCATION_CITY "geo-location-city" |
| /** |
| * GST_TAG_GEO_LOCATION_SUBLOCATION: |
| * |
| * A location 'smaller' than GST_TAG_GEO_LOCATION_CITY that specifies better |
| * where the media has been produced. (e.g. the neighborhood) (string). |
| * |
| * This tag has been added as this is how it is handled/named in XMP's |
| * Iptc4xmpcore schema. |
| */ |
| #define GST_TAG_GEO_LOCATION_SUBLOCATION "geo-location-sublocation" |
| /** |
| * GST_TAG_GEO_LOCATION_HORIZONTAL_ERROR: |
| * |
| * Represents the expected error on the horizontal positioning in |
| * meters (double). |
| */ |
| #define GST_TAG_GEO_LOCATION_HORIZONTAL_ERROR "geo-location-horizontal-error" |
| /** |
| * GST_TAG_GEO_LOCATION_MOVEMENT_SPEED: |
| * |
| * Speed of the capturing device when performing the capture. |
| * Represented in m/s. (double) |
| * |
| * See also #GST_TAG_GEO_LOCATION_MOVEMENT_DIRECTION |
| */ |
| #define GST_TAG_GEO_LOCATION_MOVEMENT_SPEED "geo-location-movement-speed" |
| /** |
| * GST_TAG_GEO_LOCATION_MOVEMENT_DIRECTION: |
| * |
| * Indicates the movement direction of the device performing the capture |
| * of a media. It is represented as degrees in floating point representation, |
| * 0 means the geographic north, and increases clockwise (double from 0 to 360) |
| * |
| * See also #GST_TAG_GEO_LOCATION_CAPTURE_DIRECTION |
| */ |
| #define GST_TAG_GEO_LOCATION_MOVEMENT_DIRECTION "geo-location-movement-direction" |
| /** |
| * GST_TAG_GEO_LOCATION_CAPTURE_DIRECTION: |
| * |
| * Indicates the direction the device is pointing to when capturing |
| * a media. It is represented as degrees in floating point representation, |
| * 0 means the geographic north, and increases clockwise (double from 0 to 360) |
| * |
| * See also #GST_TAG_GEO_LOCATION_MOVEMENT_DIRECTION |
| */ |
| #define GST_TAG_GEO_LOCATION_CAPTURE_DIRECTION "geo-location-capture-direction" |
| /** |
| * GST_TAG_SHOW_NAME: |
| * |
| * Name of the show, used for displaying (string) |
| */ |
| #define GST_TAG_SHOW_NAME "show-name" |
| /** |
| * GST_TAG_SHOW_SORTNAME: |
| * |
| * Name of the show, used for sorting (string) |
| */ |
| #define GST_TAG_SHOW_SORTNAME "show-sortname" |
| /** |
| * GST_TAG_SHOW_EPISODE_NUMBER: |
| * |
| * Number of the episode within a season/show (unsigned integer) |
| */ |
| #define GST_TAG_SHOW_EPISODE_NUMBER "show-episode-number" |
| /** |
| * GST_TAG_SHOW_SEASON_NUMBER: |
| * |
| * Number of the season of a show/series (unsigned integer) |
| */ |
| #define GST_TAG_SHOW_SEASON_NUMBER "show-season-number" |
| /** |
| * GST_TAG_LYRICS: |
| * |
| * The lyrics of the media (string) |
| */ |
| #define GST_TAG_LYRICS "lyrics" |
| /** |
| * GST_TAG_COMPOSER_SORTNAME: |
| * |
| * The composer's name, used for sorting (string) |
| */ |
| #define GST_TAG_COMPOSER_SORTNAME "composer-sortname" |
| /** |
| * GST_TAG_GROUPING: |
| * |
| * Groups together media that are related and spans multiple tracks. An |
| * example are multiple pieces of a concerto. (string) |
| */ |
| #define GST_TAG_GROUPING "grouping" |
| /** |
| * GST_TAG_USER_RATING: |
| * |
| * Rating attributed by a person (likely the application user). |
| * The higher the value, the more the user likes this media |
| * (unsigned int from 0 to 100) |
| */ |
| #define GST_TAG_USER_RATING "user-rating" |
| /** |
| * GST_TAG_DEVICE_MANUFACTURER: |
| * |
| * Manufacturer of the device used to create the media (string) |
| */ |
| #define GST_TAG_DEVICE_MANUFACTURER "device-manufacturer" |
| /** |
| * GST_TAG_DEVICE_MODEL: |
| * |
| * Model of the device used to create the media (string) |
| */ |
| #define GST_TAG_DEVICE_MODEL "device-model" |
| /** |
| * GST_TAG_APPLICATION_NAME: |
| * |
| * Name of the application used to create the media (string) |
| */ |
| #define GST_TAG_APPLICATION_NAME "application-name" |
| /** |
| * GST_TAG_APPLICATION_DATA: |
| * |
| * Arbitrary application data (sample) |
| * |
| * Some formats allow applications to add their own arbitrary data |
| * into files. This data is application dependent. |
| */ |
| #define GST_TAG_APPLICATION_DATA "application-data" |
| /** |
| * GST_TAG_IMAGE_ORIENTATION: |
| * |
| * Represents the 'Orientation' tag from EXIF. Defines how the image |
| * should be rotated and mirrored for display. (string) |
| * |
| * This tag has a predefined set of allowed values: |
| * "rotate-0" |
| * "rotate-90" |
| * "rotate-180" |
| * "rotate-270" |
| * "flip-rotate-0" |
| * "flip-rotate-90" |
| * "flip-rotate-180" |
| * "flip-rotate-270" |
| * |
| * The naming is adopted according to a possible transformation to perform |
| * on the image to fix its orientation, obviously equivalent operations will |
| * yield the same result. |
| * |
| * Rotations indicated by the values are in clockwise direction and |
| * 'flip' means an horizontal mirroring. |
| */ |
| #define GST_TAG_IMAGE_ORIENTATION "image-orientation" |
| /** |
| * GST_TAG_PUBLISHER: |
| * |
| * Name of the label or publisher (string) |
| * |
| * Since: 1.2 |
| */ |
| #define GST_TAG_PUBLISHER "publisher" |
| /** |
| * GST_TAG_INTERPRETED_BY: |
| * |
| * Information about the people behind a remix and similar |
| * interpretations of another existing piece (string) |
| * |
| * Since: 1.2 |
| */ |
| #define GST_TAG_INTERPRETED_BY "interpreted-by" |
| /** |
| * GST_TAG_MIDI_BASE_NOTE: |
| * |
| * <ulink url="http://en.wikipedia.org/wiki/Note#Note_designation_in_accordance_with_octave_name">Midi note number</ulink> |
| * of the audio track. This is useful for sample instruments and in particular |
| * for multi-samples. |
| * |
| * Since: 1.4 |
| */ |
| #define GST_TAG_MIDI_BASE_NOTE "midi-base-note" |
| /** |
| * GST_TAG_PRIVATE_DATA: |
| * |
| * Any private data that may be contained in tags (sample). |
| * |
| * It is represented by #GstSample in which #GstBuffer contains the |
| * binary data and the sample's info #GstStructure may contain any |
| * extra information that identifies the origin or meaning of the data. |
| * |
| * Private frames in ID3v2 tags ('PRIV' frames) will be represented |
| * using this tag, in which case the GstStructure will be named |
| * "ID3PrivateFrame" and contain a field named "owner" of type string |
| * which contains the owner-identification string from the tag. |
| * |
| * Since: 1.8 |
| */ |
| #define GST_TAG_PRIVATE_DATA "private-data" |
| |
| #ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC |
| G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstTagList, gst_tag_list_unref) |
| #endif |
| |
| G_END_DECLS |
| |
| #endif /* __GST_TAGLIST_H__ */ |
