#[repr(transparent)]pub struct TransitionClip { /* private fields */ }Expand description
Creates an object that mixes together the two underlying objects, A and B. The A object is assumed to have a higher prioirity (lower number) than the B object. At the transition in point, only A will be visible, and by the end only B will be visible.
The shape of the video transition depends on the value of the “vtype” property. The default value is “crossfade”. For audio, only “crossfade” is supported.
The ID of the ExtractableType is the nickname of the vtype property value. Note that this value can be changed after creation and the GESExtractable.asset value will be updated when needed.
Properties
vtype
a VideoStandardTransitionType representing the wipe to use
Readable | Writeable | Construct
Clip
duration-limit
The maximum duration that can be currently set
for the clip, taking into account the in-point,
max-duration, active, and
track properties of its children, as well as any
time effects. If there is no limit, this will be set to
GST_CLOCK_TIME_NONE.
Note that whilst a clip has no children in any tracks, the limit will
be unknown, and similarly set to GST_CLOCK_TIME_NONE.
If the duration-limit would ever go below the current
duration of the clip due to a change in the above
variables, its duration will be set to the new
limit.
Readable
layer
The layer this clip lies in.
If you want to connect to this property’s notify signal,
you should connect to it with g_signal_connect_after() since the
signal emission may be stopped internally.
Readable
supported-formats
The TrackType-s that the clip supports, which it can create
TrackElement-s for. Note that this can be a combination of
TrackType flags to indicate support for several
track-type elements.
Readable | Writeable | Construct
Container
height
The span of the container’s children’s priority
values, which is the number of integers that lie between (inclusive)
the minimum and maximum priorities found amongst the container’s
children (maximum - minimum + 1).
Readable
TimelineElement
duration
The duration that the element is in effect for in the timeline (a time difference in nanoseconds using the time coordinates of the timeline). For example, for a source element, this would determine for how long it should output its internal content for. For an operation element, this would determine for how long its effect should be applied to any source content.
Readable | Writeable
in-point
The initial offset to use internally when outputting content (in nanoseconds, but in the time coordinates of the internal content).
For example, for a VideoUriSource that references some media
file, the “internal content” is the media file data, and the
in-point would correspond to some timestamp in the media file.
When playing the timeline, and when the element is first reached at
timeline-time start, it will begin outputting the
data from the timestamp in-point onwards, until it reaches the
end of its duration in the timeline.
For elements that have no internal content, this should be kept as 0.
Readable | Writeable
max-duration
The full duration of internal content that is available (a time difference in nanoseconds using the time coordinates of the internal content).
This will act as a cap on the in-point of the
element (which is in the same time coordinates), and will sometimes
be used to limit the duration of the element in
the timeline.
For example, for a VideoUriSource that references some media
file, this would be the length of the media file.
For elements that have no internal content, or whose content is
indefinite, this should be kept as GST_CLOCK_TIME_NONE.
Readable | Writeable | Construct
name
The name of the element. This should be unique within its timeline.
Readable | Writeable | Construct
parent
The parent container of the element.
Readable | Writeable
priority
The priority of the element.
Readable | Writeable
serialize
Whether the element should be serialized.
Readable | Writeable
start
The starting position of the element in the timeline (in nanoseconds and in the time coordinates of the timeline). For example, for a source element, this would determine the time at which it should start outputting its internal content. For an operation element, this would determine the time at which it should start applying its effect to any source content.
Readable | Writeable
timeline
The timeline that the element lies within.
Readable | Writeable
Implements
TransitionClipExt, [BaseTransitionClipExt][trait@crate::prelude::BaseTransitionClipExt], [OperationClipExt][trait@crate::prelude::OperationClipExt], ClipExt, GESContainerExt, TimelineElementExt, glib::ObjectExt, ExtractableExt, MetaContainerExt, [TimelineElementExtManual][trait@crate::prelude::TimelineElementExtManual]
Implementations§
source§impl TransitionClip
impl TransitionClip
pub const NONE: Option<&'static TransitionClip> = None
sourcepub fn new(vtype: VideoStandardTransitionType) -> Option<TransitionClip>
pub fn new(vtype: VideoStandardTransitionType) -> Option<TransitionClip>
Creates a new TransitionClip.
vtype
the type of transition to create
Returns
a newly created TransitionClip,
or None if something went wrong.
sourcepub fn for_nick(nick: &str) -> Option<TransitionClip>
pub fn for_nick(nick: &str) -> Option<TransitionClip>
Creates a new TransitionClip for the provided nick.
nick
a string representing the type of transition to create
Returns
The newly created TransitionClip,
or None if something went wrong
Trait Implementations§
source§impl Clone for TransitionClip
impl Clone for TransitionClip
source§impl Debug for TransitionClip
impl Debug for TransitionClip
source§impl HasParamSpec for TransitionClip
impl HasParamSpec for TransitionClip
type ParamSpec = ParamSpecObject
§type SetValue = TransitionClip
type SetValue = TransitionClip
type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, TransitionClip>
fn param_spec_builder() -> Self::BuilderFn
source§impl Hash for TransitionClip
impl Hash for TransitionClip
source§impl Ord for TransitionClip
impl Ord for TransitionClip
source§impl ParentClassIs for TransitionClip
impl ParentClassIs for TransitionClip
type Parent = BaseTransitionClip
source§impl<OT: ObjectType> PartialEq<OT> for TransitionClip
impl<OT: ObjectType> PartialEq<OT> for TransitionClip
source§impl<OT: ObjectType> PartialOrd<OT> for TransitionClip
impl<OT: ObjectType> PartialOrd<OT> for TransitionClip
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
self and other) and is used by the <=
operator. Read moresource§impl StaticType for TransitionClip
impl StaticType for TransitionClip
source§fn static_type() -> Type
fn static_type() -> Type
Self.impl Eq for TransitionClip
impl IsA<BaseTransitionClip> for TransitionClip
impl IsA<Clip> for TransitionClip
impl IsA<Container> for TransitionClip
impl IsA<Extractable> for TransitionClip
impl IsA<MetaContainer> for TransitionClip
impl IsA<OperationClip> for TransitionClip
impl IsA<TimelineElement> for TransitionClip
Auto Trait Implementations§
impl RefUnwindSafe for TransitionClip
impl !Send for TransitionClip
impl !Sync for TransitionClip
impl Unpin for TransitionClip
impl UnwindSafe for TransitionClip
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