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Struct Gst.TagList

Import line:	Gst = imports.gi.Gst;
GIR File:	Gst-0.10.gir
C documentation:	GstTagList
Struct :	TagList
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Opaque GstTagList data structure.

Properties
None

Methods / Constructors
Method / Constructor		Defined By
	new Gst.TagList.c_new () : Gst.TagList Create a new Gst.TagList Create a new Gst.TagList Returns: Gst.TagList
	add_value (TagMergeMode *mode, String tag, Value value) : none Sets the GValue for a given tag using the specified mode. Sets the GValue for a given tag using the specified mode. Parameters: Gst.TagMergeMode mode* Required (not null) String tag Required (not null) GObject.Value value Required (not null) Returns: none	Gst.TagList
	copy () : Gst.TagList Copies a given GstTagList. Copies a given GstTagList. Returns: Gst.TagList	Gst.TagList
	foreach (Function *func, void *user_data) : none Calls the given function for each tag inside the tag list. Calls the given function for each tag inside the tag list. Note that if there is no tag, the function won't be called at all. Parameters: Function (TagList list, String tag, void *user_data) : none Required (not null) void user_data Required (not null) Returns: none	Gst.TagList
	free () : none Frees the given list and all associated values. Frees the given list and all associated values. Returns: none	Gst.TagList
	get_boolean (String *tag, Object out_values) : Boolean Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Parameters: String tag* Required (not null) Object out_values Boolean value Returns: Boolean given list.	Gst.TagList
	get_boolean_index (String *tag, Number index, Object out_values) : Boolean Gets the value that is at the given index for the given tag in the given list. Gets the value that is at the given index for the given tag in the given list. Parameters: String tag* Required (not null) Number index Required (not null) Object out_values Boolean value Returns: Boolean given list.	Gst.TagList
	get_buffer (String *tag, Buffer value) : Boolean Copies the first buffer for the given tag in the taglist into the variable pointed to by value. Copies the first buffer for the given tag in the taglist into the variable pointed to by value. Free the buffer with gst_buffer_unref() when it is no longer needed. Parameters: String tag* Required (not null) Gst.Buffer value Required (not null) Returns: Boolean given list or if it was NULL.	Gst.TagList
	get_buffer_index (String *tag, Number index, Buffer value) : Boolean Gets the buffer that is at the given index for the given tag in the given list and copies it into the variable pointed to by value. Gets the buffer that is at the given index for the given tag in the given list and copies it into the variable pointed to by value. Free the buffer with gst_buffer_unref() when it is no longer needed. Parameters: String tag* Required (not null) Number index Required (not null) Gst.Buffer value Required (not null) Returns: Boolean given list or if it was NULL.	Gst.TagList
	get_char (String *tag, String value) : Boolean Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Parameters: String tag* Required (not null) String value Required (not null) Returns: Boolean given list.	Gst.TagList
	get_char_index (String *tag, Number index, String value) : Boolean Gets the value that is at the given index for the given tag in the given list. Gets the value that is at the given index for the given tag in the given list. Parameters: String tag* Required (not null) Number index Required (not null) String value Required (not null) Returns: Boolean given list.	Gst.TagList
	get_date (String *tag, Date value) : Boolean Copies the first date for the given tag in the taglist into the variable pointed to by value. Copies the first date for the given tag in the taglist into the variable pointed to by value. Free the date with g_date_free() when it is no longer needed. Parameters: String tag* Required (not null) GLib.Date value Required (not null) Returns: Boolean given list or if it was NULL.	Gst.TagList
	get_date_index (String *tag, Number index, Date value) : Boolean Gets the date that is at the given index for the given tag in the given list and copies it into the variable pointed to by value. Gets the date that is at the given index for the given tag in the given list and copies it into the variable pointed to by value. Free the date with g_date_free() when it is no longer needed. Parameters: String tag* Required (not null) Number index Required (not null) GLib.Date value Required (not null) Returns: Boolean given list or if it was NULL.	Gst.TagList
	get_double (String *tag, Object out_values) : Boolean Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Parameters: String tag* Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_double_index (String *tag, Number index, Object out_values) : Boolean Gets the value that is at the given index for the given tag in the given list. Gets the value that is at the given index for the given tag in the given list. Parameters: String tag* Required (not null) Number index Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_float (String *tag, Object out_values) : Boolean Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Parameters: String tag* Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_float_index (String *tag, Number index, Object out_values) : Boolean Gets the value that is at the given index for the given tag in the given list. Gets the value that is at the given index for the given tag in the given list. Parameters: String tag* Required (not null) Number index Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_int (String *tag, Object out_values) : Boolean Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Parameters: String tag* Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_int64 (String *tag, Object out_values) : Boolean Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Parameters: String tag* Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_int64_index (String *tag, Number index, Object out_values) : Boolean Gets the value that is at the given index for the given tag in the given list. Gets the value that is at the given index for the given tag in the given list. Parameters: String tag* Required (not null) Number index Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_int_index (String *tag, Number index, Object out_values) : Boolean Gets the value that is at the given index for the given tag in the given list. Gets the value that is at the given index for the given tag in the given list. Parameters: String tag* Required (not null) Number index Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_long (String *tag, Object out_values) : Boolean Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Parameters: String tag* Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_long_index (String *tag, Number index, Object out_values) : Boolean Gets the value that is at the given index for the given tag in the given list. Gets the value that is at the given index for the given tag in the given list. Parameters: String tag* Required (not null) Number index Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_pointer (String *tag, void *value) : Boolean Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Parameters: String tag* Required (not null) void* value Required (not null) Returns: Boolean given list.	Gst.TagList
	get_pointer_index (String *tag, Number index, void *value) : Boolean Gets the value that is at the given index for the given tag in the given list. Gets the value that is at the given index for the given tag in the given list. Parameters: String tag* Required (not null) Number index Required (not null) void* value Required (not null) Returns: Boolean given list.	Gst.TagList
	get_string (String *tag, Array value) : Boolean Copies the contents for the given tag into the value, possibly merging multiple values into one if multiple values are associated with the tag. Copies the contents for the given tag into the value, possibly merging multiple values into one if multiple values are associated with the tag. Use gst_tag_list_get_string_index (list, tag, 0, value) if you want to retrieve the first string associated with this tag unmodified. The resulting string in value* will be in UTF-8 encoding and should be freed by the caller using g_free when no longer needed. Since 0.10.24 the returned string is also guaranteed to be non-NULL and non-empty. Parameters: String tag Required (not null) Array value Required (not null) Returns: Boolean given list.	Gst.TagList
	get_string_index (String *tag, Number index, Array value) : Boolean Gets the value that is at the given index for the given tag in the given list. Gets the value that is at the given index for the given tag in the given list. The resulting string in value* will be in UTF-8 encoding and should be freed by the caller using g_free when no longer needed. Since 0.10.24 the returned string is also guaranteed to be non-NULL and non-empty. Parameters: String tag Required (not null) Number index Required (not null) Array value Required (not null) Returns: Boolean given list.	Gst.TagList
	get_tag_size (String *tag) : Number Checks how many value are stored in this tag list for the given tag. Checks how many value are stored in this tag list for the given tag. Parameters: String tag* Required (not null) Returns: Number	Gst.TagList
	get_uchar (String *tag, String value) : Boolean Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Parameters: String tag* Required (not null) String value Required (not null) Returns: Boolean given list.	Gst.TagList
	get_uchar_index (String *tag, Number index, String value) : Boolean Gets the value that is at the given index for the given tag in the given list. Gets the value that is at the given index for the given tag in the given list. Parameters: String tag* Required (not null) Number index Required (not null) String value Required (not null) Returns: Boolean given list.	Gst.TagList
	get_uint (String *tag, Object out_values) : Boolean Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Parameters: String tag* Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_uint64 (String *tag, Object out_values) : Boolean Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Parameters: String tag* Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_uint64_index (String *tag, Number index, Object out_values) : Boolean Gets the value that is at the given index for the given tag in the given list. Gets the value that is at the given index for the given tag in the given list. Parameters: String tag* Required (not null) Number index Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_uint_index (String *tag, Number index, Object out_values) : Boolean Gets the value that is at the given index for the given tag in the given list. Gets the value that is at the given index for the given tag in the given list. Parameters: String tag* Required (not null) Number index Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_ulong (String *tag, Object out_values) : Boolean Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. Parameters: String tag* Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_ulong_index (String *tag, Number index, Object out_values) : Boolean Gets the value that is at the given index for the given tag in the given list. Gets the value that is at the given index for the given tag in the given list. Parameters: String tag* Required (not null) Number index Required (not null) Object out_values Number value Returns: Boolean given list.	Gst.TagList
	get_value_index (String *tag, Number index) : GObject.Value Gets the value that is at the given index for the given tag in the given list. Gets the value that is at the given index for the given tag in the given list. Parameters: String tag* Required (not null) Number index Required (not null) Returns: GObject.Value available or the tag doesn't have as many entries	Gst.TagList
	insert (TagList *from, TagMergeMode mode) : none Inserts the tags of the from* list into the first list using the given mode. Inserts the tags of the from list into the first list using the given mode. Parameters: Gst.TagList from Required (not null) Gst.TagMergeMode mode Required (not null) Returns: none	Gst.TagList
	is_empty () : Boolean Checks if the given taglist is empty. Checks if the given taglist is empty. Returns: Boolean	Gst.TagList
	merge (TagList *list2, TagMergeMode mode) : Gst.TagList Merges the two given lists into a new list. Merges the two given lists into a new list. If one of the lists is NULL, a copy of the other is returned. If both lists are NULL, NULL is returned. Parameters: Gst.TagList list2* Required (not null) Gst.TagMergeMode mode Required (not null) Returns: Gst.TagList	Gst.TagList
	remove_tag (String *tag) : none Removes the given tag from the taglist. Removes the given tag from the taglist. Parameters: String tag* Required (not null) Returns: none	Gst.TagList

Events
None

Used by These Methods / Signals / Properties
Class / Namespace	Method / Signal / Properties
Gst Method	Gst.tag_list_copy_value (Value *dest, TagList list, String tag*) : Boolean Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag.
Gst.Element Method	found_tags_for_pad (Pad *pad, TagList list*) : none Posts a message to the bus that new tags were found and pushes the tags as event.
Gst.Element Method	found_tags (TagList *list*) : none Posts a message to the bus that new tags were found, and pushes an event to all sourcepads.
Gst.Event Method	new Gst.Event.tag (TagList *taglist*) : Gst.Event Create a new Gst.Event
Gst.Event Method	parse_tag (TagList *taglist) : none Parses a tag event* and stores the results in the given taglist location.
Gst.Message Method	new Gst.Message.tag (Object *src, TagList tag_list*) : Gst.Message Create a new Gst.Message
Gst.Message Method	new Gst.Message.tag_full (Object *src, Pad pad, TagList tag_list*) : Gst.Message Create a new Gst.Message
Gst.Message Method	parse_tag (TagList *tag_list*) : none Extracts the tag list from the GstMessage.
Gst.Message Method	parse_tag_full (Pad *pad, TagList tag_list*) : none Extracts the tag list from the GstMessage.
Gst.TagSetter Method	merge_tags (TagList *list, TagMergeMode mode*) : none Merges the given list into the setter's list using the given mode.
Gst.TagSetter Method	get_tag_list () : Gst.TagList Returns the current list of tags the setter uses.
GstPbutils Method	GstPbutils.pb_utils_add_codec_description_to_tag_list (TagList *taglist, String codec_tag, Caps caps) : Boolean Adds a codec tag describing the format specified by caps* to taglist.
GstRiff Method	GstRiff.parse_info (Element *element, Buffer buf, TagList taglist*) : none Parses stream metadata from input data.
GstTag Method	GstTag.list_add_id3_image (TagList *tag_list, String image_data, Number image_data_len, Number id3_picture_type*) : Boolean Adds an image from an ID3 APIC frame (or similar, such as used in FLAC) to the given tag list.
GstTag Method	GstTag.list_from_vorbiscomment_buffer (Buffer *buffer, String id_data, Number id_data_length, Array vendor_string*) : Gst.TagList Creates a new tag list that contains the information parsed out of a vorbiscomment packet.
GstTag Method	GstTag.list_from_xmp_buffer (Buffer *buffer*) : Gst.TagList Parse a xmp packet into a taglist.
GstTag Method	GstTag.list_new_from_id3v1 (String *data) : Gst.TagList Parses the data containing an ID3v1 tag and returns a GstTagList* from the parsed data.
GstTag Method	GstTag.list_to_vorbiscomment_buffer (TagList *list, String id_data, Number id_data_length, String vendor_string*) : Gst.Buffer Creates a new vorbiscomment buffer from a tag list.
GstTag Method	GstTag.list_to_xmp_buffer (TagList *list, Boolean read_only*) : Gst.Buffer Formats a taglist as a xmp packet.
GstTag Method	GstTag.to_vorbis_comments (TagList *list, String tag*) : Array Creates a new tag list that contains the information parsed out of a vorbiscomment packet.
GstTag Method	GstTag.vorbis_tag_add (TagList *list, String tag, String value) : none Convenience function using gst_tag_from_vorbis_tag(), parsing a vorbis comment string into the right type and adding it to the given taglist list*.

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Struct Gst.TagList