org.freedesktop.gstreamer.event

Enum SeekFlags

java.lang.Object

java.lang.Enum<SeekFlags>

org.freedesktop.gstreamer.event.SeekFlags

All Implemented Interfaces:

Serializable, Comparable<SeekFlags>, NativeEnum<SeekFlags>, NativeFlags<SeekFlags>

public enum SeekFlags
extends Enum<SeekFlags>
implements NativeFlags<SeekFlags>

Flags to be used with seek or SeekEvent

See upstream documentation at https://gstreamer.freedesktop.org/data/doc/gstreamer/stable/gstreamer/html/GstEvent.html#GstSeekFlags

All flags can be used together.

A non flushing seek might take some time to perform as the currently playing data in the pipeline will not be cleared.

An accurate seek might be slower for formats that don't have any indexes or timestamp markers in the stream. Specifying this flag might require a complete scan of the file in those cases.

When performing a segment seek: after the playback of the segment completes, no EOS will be emitted by the element that performed the seek, but a Bus.SEGMENT_DONE message will be posted on the bus by the element. When this message is posted, it is possible to send a new seek event to continue playback. With this seek method it is possible to perform seamless looping or simple linear editing.

Enum Constant Summary

Enum Constants

Enum Constant and Description
ACCURATE Accurate position is requested, this might be considerably slower for some formats.
FLUSH Flush pipeline.
KEY_UNIT Seek to the nearest keyframe.
SEGMENT Perform a segment seek.
SNAP_AFTER go to a location after the requested position, if %GST_SEEK_FLAG_KEY_UNIT this means the keyframe at of after the requested position.
SNAP_BEFORE go to a location before the requested position, if %GST_SEEK_FLAG_KEY_UNIT this means the keyframe at or before the requested position the one at or before the seek target.
TRICKMODE when doing fast forward or fast reverse playback, allow elements to skip frames instead of generating all frames.
TRICKMODE_KEY_UNITS when doing fast forward or fast reverse playback, request that elements only decode keyframes and skip all other content, for formats that have keyframes.
TRICKMODE_NO_AUDIO when doing fast forward or fast reverse playback, request that audio decoder elements skip decoding and output only gap events or silence.

Method Summary

Modifier and Type	Method and Description
int	intValue()
static SeekFlags	valueOf(String name) Returns the enum constant of this type with the specified name.
static SeekFlags[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.freedesktop.gstreamer.glib.NativeFlags

fromInt, toInt, toInt

Methods inherited from interface org.freedesktop.gstreamer.glib.NativeEnum

fromInt, fromInt

Enum Constant Detail

FLUSH

public static final SeekFlags FLUSH

Flush pipeline.

ACCURATE

public static final SeekFlags ACCURATE

Accurate position is requested, this might be considerably slower for some formats.

KEY_UNIT

public static final SeekFlags KEY_UNIT

Seek to the nearest keyframe. This might be faster but less accurate.

SEGMENT

public static final SeekFlags SEGMENT

Perform a segment seek.

TRICKMODE

public static final SeekFlags TRICKMODE

when doing fast forward or fast reverse playback, allow elements to skip frames instead of generating all frames. (Since 1.6)

SNAP_BEFORE

public static final SeekFlags SNAP_BEFORE

go to a location before the requested position, if %GST_SEEK_FLAG_KEY_UNIT this means the keyframe at or before the requested position the one at or before the seek target.

SNAP_AFTER

public static final SeekFlags SNAP_AFTER

go to a location after the requested position, if %GST_SEEK_FLAG_KEY_UNIT this means the keyframe at of after the requested position.

TRICKMODE_KEY_UNITS

public static final SeekFlags TRICKMODE_KEY_UNITS

when doing fast forward or fast reverse playback, request that elements only decode keyframes and skip all other content, for formats that have keyframes.

TRICKMODE_NO_AUDIO

public static final SeekFlags TRICKMODE_NO_AUDIO

when doing fast forward or fast reverse playback, request that audio decoder elements skip decoding and output only gap events or silence.

Method Detail

values

public static SeekFlags[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (SeekFlags c : SeekFlags.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static SeekFlags valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

intValue

public int intValue()

Specified by:

intValue in interface NativeEnum<SeekFlags>