org.freedesktop.gstreamer

Class TagList

java.lang.Object

org.freedesktop.gstreamer.glib.NativeObject

org.freedesktop.gstreamer.glib.RefCountedObject

org.freedesktop.gstreamer.MiniObject

org.freedesktop.gstreamer.TagList

All Implemented Interfaces:

AutoCloseable

public class TagList
extends MiniObject

List of tags and values used to describe media metadata.

See upstream documentation at https://gstreamer.freedesktop.org/data/doc/gstreamer/stable/gstreamer/html/GstTagList.html

Nested Class Summary

Nested classes/interfaces inherited from class org.freedesktop.gstreamer.MiniObject

MiniObject.Handle

Nested classes/interfaces inherited from class org.freedesktop.gstreamer.glib.NativeObject

NativeObject.Initializer, NativeObject.TypeProvider, NativeObject.TypeRegistration<T extends NativeObject>

Field Summary

Fields

Modifier and Type	Field and Description
static String	GTYPE_NAME

Constructor Summary

Constructors

Constructor and Description
TagList() Constructs a new empty tag list.

Method Summary

Modifier and Type	Method and Description
Number	getNumber(String tag, int index) Gets a numeric tag from this list.
String	getString(String tag, int index) Gets a string tag from this list.
List<String>	getTagNames() Gets a list of all the tags contained in this list.
Object	getValue(String tag, int index) Gets data for a tag from this list.
int	getValueCount(String tag) Gets the number of values of type tag stored in the list.
List<Object>	getValues(String tag) Gets all data values for a tag contained in this list.
TagList	merge(TagList list2, TagMergeMode mode) Merges this tag list and list2 into a new list.

Methods inherited from class org.freedesktop.gstreamer.MiniObject

copy, getRefCount, isWritable, makeWritable

Methods inherited from class org.freedesktop.gstreamer.glib.NativeObject

close, disown, dispose, equals, getPointer, getRawPointer, hashCode, invalidate, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

GTYPE_NAME

public static final String GTYPE_NAME

See Also:

Constant Field Values

Constructor Detail

TagList

public TagList()

Constructs a new empty tag list.

Method Detail

getValueCount

public int getValueCount(String tag)

Gets the number of values of type tag stored in the list.

Parameters:

tag - the name of the tag to get the size of.

Returns:

the number of values for tag in this list.

getValues

public List<Object> getValues(String tag)

Gets all data values for a tag contained in this list.

Parameters:

tag - the name of the tag to retrieve.

Returns:

the data associated with tag.

getValue

public Object getValue(String tag,
                       int index)

Gets data for a tag from this list.

Parameters:

tag - the tag to retrieve.

index - which element of the array of data for this tag to retrieve.

Returns:

the data for the tag.

getString

public String getString(String tag,
                        int index)

Gets a string tag from this list.

Parameters:

tag - the tag to retrieve.

index - which element of the array of data for this tag to retrieve.

Returns:

the data for the tag.

getNumber

public Number getNumber(String tag,
                        int index)

Gets a numeric tag from this list.

Parameters:

tag - the tag to retrieve.

index - which element of the array of data for this tag to retrieve.

Returns:

the data for the tag.

getTagNames

public List<String> getTagNames()

Gets a list of all the tags contained in this list.

Returns:

a list of tag names.

merge

public TagList merge(TagList list2,
                     TagMergeMode mode)

Merges this tag list and list2 into a new list. If list2 is null, a copy of this list is returned.

Parameters:

list2 - the other tag list to merge with this one.

mode - the TagMergeMode.

Returns:

a new tag list.