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MediaMeta

Struct MediaMeta

pub struct MediaMeta {Show 14 fields
    pub title: Option<String>,
    pub artist: Option<String>,
    pub album: Option<String>,
    pub album_artist: Option<String>,
    pub comment: Option<String>,
    pub description: Option<String>,
    pub genre: Option<String>,
    pub year: Option<String>,
    pub track: Option<(u16, u16)>,
    pub encoder: Option<String>,
    pub copyright: Option<String>,
    pub lyrics: Option<String>,
    pub keywords: Vec<String>,
    pub chapters: Vec<(Duration, String)>,
}

Expand description

可写入 m4a/mp4 的元数据集合

所有字段都是可选的，为 None 时保持文件原有内容不变。

Fields§

§title: Option<String>

标题（视频标题）

§artist: Option<String>

歌手（UP 主）

§album: Option<String>

专辑（收藏夹/合集/分区）

§album_artist: Option<String>§comment: Option<String>

备注（这里放视频原始链接）

§description: Option<String>

简介（视频描述）

§genre: Option<String>

流派（分区名）

§year: Option<String>§track: Option<(u16, u16)>

(第几P, 共几P)

§encoder: Option<String>

写入工具标识

§copyright: Option<String>§lyrics: Option<String>

歌词（可由字幕/同名 .lrc 转成 LRC 文本）

§keywords: Vec<String>§chapters: Vec<(Duration, String)>

章节，仅对“多P/合集合并成单个文件”有意义

Implementations§

impl MediaMeta

pub fn apply(&self, tag: &mut Tag)

把元数据合并进已有 tag（None 的字段不覆盖）

Trait Implementations§

impl Clone for MediaMeta

fn clone(&self) -> Self

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for MediaMeta

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

impl Default for MediaMeta

fn default() -> Self

Returns the “default value” for a type. Read more

impl PartialEq for MediaMeta

fn eq(&self, other: &Self) -> bool

Equality operator ==. Read more

1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more

impl StructuralPartialEq for MediaMeta

Auto Trait Implementations§

impl Freeze for MediaMeta

impl RefUnwindSafe for MediaMeta

impl Send for MediaMeta

impl Sync for MediaMeta

impl Unpin for MediaMeta

impl UnsafeUnpin for MediaMeta

impl UnwindSafe for MediaMeta

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

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

Performs copy-assignment from self to dest. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> PolicyExt for T
where T: ?Sized,

fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more

fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = !

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, !>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more