[][src]Enum gstreamer::TagMergeMode

pub enum TagMergeMode {
    Undefined,
    ReplaceAll,
    Replace,
    Append,
    Prepend,
    Keep,
    KeepAll,
    Count,
    // some variants omitted
}

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 TagSetter::merge_tags / TagSetter::add_tags or a EventType::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.

``merge mode`` `` `` ``merge mode`` ``A + B`` ``A + !B`` ``!A + B`` ``!A + !B`` `` `` `` `` ``REPLACE_ALL`` ``B`` ``-`` ``B`` ``-`` `` `` ``REPLACE`` ``B`` ``A`` ``B`` ``-`` `` `` ``APPEND`` ``A, B`` ``A`` ``B`` ``-`` `` `` ``PREPEND`` ``B, A`` ``A`` ``B`` ``-`` `` `` ``KEEP`` ``A`` ``A`` ``B`` ``-`` `` `` ``KEEP_ALL`` ``A`` ``A`` ``-`` ``-`` `` `` `` `
`

Variants

UndefinedReplaceAllReplaceAppendPrependKeepKeepAllCount

Trait Implementations

impl Copy for TagMergeMode[src]

impl Clone for TagMergeMode[src]

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Eq for TagMergeMode[src]

impl Ord for TagMergeMode[src]

fn max(self, other: Self) -> Self1.21.0[src]

Compares and returns the maximum of two values. Read more

fn min(self, other: Self) -> Self1.21.0[src]

Compares and returns the minimum of two values. Read more

fn clamp(self, min: Self, max: Self) -> Self[src]

🔬 This is a nightly-only experimental API. (clamp)

Restrict a value to a certain interval. Read more

impl PartialEq<TagMergeMode> for TagMergeMode[src]

impl PartialOrd<TagMergeMode> for TagMergeMode[src]

impl Debug for TagMergeMode[src]

impl Hash for TagMergeMode[src]

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher
1.3.0[src]

Feeds a slice of this type into the given [Hasher]. Read more

impl StaticType for TagMergeMode[src]

impl<'a> FromValue<'a> for TagMergeMode[src]

impl SetValue for TagMergeMode[src]

impl<'a> FromValueOptional<'a> for TagMergeMode[src]

Auto Trait Implementations

impl Send for TagMergeMode

impl Sync for TagMergeMode

Blanket Implementations

impl<T> From<T> for T[src]

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> Any for T where
    T: 'static + ?Sized
[src]

impl<T> ToValue for T where
    T: SetValue + ?Sized
[src]

impl<T> ToSendValue for T where
    T: ToValue + SetValue + Send + ?Sized
[src]