/* 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_API 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);
GST_API
GType gst_tag_list_get_type (void);
/* tag registration */
GST_API
void gst_tag_register (const gchar * name,
GstTagFlag flag,
GType type,
const gchar * nick,
const gchar * blurb,
GstTagMergeFunc func);
GST_API
void gst_tag_register_static (const gchar * name,
GstTagFlag flag,
GType type,
const gchar * nick,
const gchar * blurb,
GstTagMergeFunc func);
/* some default merging functions */
GST_API
void gst_tag_merge_use_first (GValue * dest, const GValue * src);
GST_API
void gst_tag_merge_strings_with_comma (GValue * dest, const GValue * src);
/* basic tag support */
GST_API
gboolean gst_tag_exists (const gchar * tag);
GST_API
GType gst_tag_get_type (const gchar * tag);
GST_API
const gchar * gst_tag_get_nick (const gchar * tag);
GST_API
const gchar * gst_tag_get_description (const gchar * tag);
GST_API
GstTagFlag gst_tag_get_flag (const gchar * tag);
GST_API
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;
GST_API
GstTagList * gst_tag_list_new_empty (void) G_GNUC_MALLOC;
GST_API
GstTagList * gst_tag_list_new (const gchar * tag, ...) G_GNUC_MALLOC;
GST_API
GstTagList * gst_tag_list_new_valist (va_list var_args) G_GNUC_MALLOC;
GST_API
void gst_tag_list_set_scope (GstTagList * list, GstTagScope scope);
GST_API
GstTagScope gst_tag_list_get_scope (const GstTagList * list);
GST_API
gchar * gst_tag_list_to_string (const GstTagList * list) G_GNUC_MALLOC;
GST_API
GstTagList * gst_tag_list_new_from_string (const gchar * str) G_GNUC_MALLOC;
GST_API
gint gst_tag_list_n_tags (const GstTagList * list);
GST_API
const gchar* gst_tag_list_nth_tag_name (const GstTagList * list, guint index);
GST_API
gboolean gst_tag_list_is_empty (const GstTagList * list);
GST_API
gboolean gst_tag_list_is_equal (const GstTagList * list1,
const GstTagList * list2);
GST_API
void gst_tag_list_insert (GstTagList * into,
const GstTagList * from,
GstTagMergeMode mode);
GST_API
GstTagList * gst_tag_list_merge (const GstTagList * list1,
const GstTagList * list2,
GstTagMergeMode mode) G_GNUC_MALLOC;
GST_API
guint gst_tag_list_get_tag_size (const GstTagList * list,
const gchar * tag);
GST_API
void gst_tag_list_add (GstTagList * list,
GstTagMergeMode mode,
const gchar * tag,
...) G_GNUC_NULL_TERMINATED;
GST_API
void gst_tag_list_add_values (GstTagList * list,
GstTagMergeMode mode,
const gchar * tag,
...) G_GNUC_NULL_TERMINATED;
GST_API
void gst_tag_list_add_valist (GstTagList * list,
GstTagMergeMode mode,
const gchar * tag,
va_list var_args);
GST_API
void gst_tag_list_add_valist_values (GstTagList * list,
GstTagMergeMode mode,
const gchar * tag,
va_list var_args);
GST_API
void gst_tag_list_add_value (GstTagList * list,
GstTagMergeMode mode,
const gchar * tag,
const GValue * value);
GST_API
void gst_tag_list_remove_tag (GstTagList * list,
const gchar * tag);
GST_API
void gst_tag_list_foreach (const GstTagList * list,
GstTagForeachFunc func,
gpointer user_data);
GST_API
const GValue *
gst_tag_list_get_value_index (const GstTagList * list,
const gchar * tag,
guint index);
GST_API
gboolean gst_tag_list_copy_value (GValue * dest,
const GstTagList * list,
const gchar * tag);
/* simplifications (FIXME: do we want them?) */
GST_API
gboolean gst_tag_list_get_boolean (const GstTagList * list,
const gchar * tag,
gboolean * value);
GST_API
gboolean gst_tag_list_get_boolean_index (const GstTagList * list,
const gchar * tag,
guint index,
gboolean * value);
GST_API
gboolean gst_tag_list_get_int (const GstTagList * list,
const gchar * tag,
gint * value);
GST_API
gboolean gst_tag_list_get_int_index (const GstTagList * list,
const gchar * tag,
guint index,
gint * value);
GST_API
gboolean gst_tag_list_get_uint (const GstTagList * list,
const gchar * tag,
guint * value);
GST_API
gboolean gst_tag_list_get_uint_index (const GstTagList * list,
const gchar * tag,
guint index,
guint * value);
GST_API
gboolean gst_tag_list_get_int64 (const GstTagList * list,
const gchar * tag,
gint64 * value);
GST_API
gboolean gst_tag_list_get_int64_index (const GstTagList * list,
const gchar * tag,
guint index,
gint64 * value);
GST_API
gboolean gst_tag_list_get_uint64 (const GstTagList * list,
const gchar * tag,
guint64 * value);
GST_API
gboolean gst_tag_list_get_uint64_index (const GstTagList * list,
const gchar * tag,
guint index,
guint64 * value);
GST_API
gboolean gst_tag_list_get_float (const GstTagList * list,
const gchar * tag,
gfloat * value);
GST_API
gboolean gst_tag_list_get_float_index (const GstTagList * list,
const gchar * tag,
guint index,
gfloat * value);
GST_API
gboolean gst_tag_list_get_double (const GstTagList * list,
const gchar * tag,
gdouble * value);
GST_API
gboolean gst_tag_list_get_double_index (const GstTagList * list,
const gchar * tag,
guint index,
gdouble * value);
GST_API
gboolean gst_tag_list_get_string (const GstTagList * list,
const gchar * tag,
gchar ** value);
GST_API
gboolean gst_tag_list_get_string_index (const GstTagList * list,
const gchar * tag,
guint index,
gchar ** value);
GST_API
gboolean gst_tag_list_peek_string_index (const GstTagList * list,
const gchar * tag,
guint index,
const gchar ** value);
GST_API
gboolean gst_tag_list_get_pointer (const GstTagList * list,
const gchar * tag,
gpointer * value);
GST_API
gboolean gst_tag_list_get_pointer_index (const GstTagList * list,
const gchar * tag,
guint index,
gpointer * value);
GST_API
gboolean gst_tag_list_get_date (const GstTagList * list,
const gchar * tag,
GDate ** value);
GST_API
gboolean gst_tag_list_get_date_index (const GstTagList * list,
const gchar * tag,
guint index,
GDate ** value);
GST_API
gboolean gst_tag_list_get_date_time (const GstTagList * list,
const gchar * tag,
GstDateTime ** value);
GST_API
gboolean gst_tag_list_get_date_time_index (const GstTagList * list,
const gchar * tag,
guint index,
GstDateTime ** value);
GST_API
gboolean gst_tag_list_get_sample (const GstTagList * list,
const gchar * tag,
GstSample ** sample);
GST_API
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__ */