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Error

ffmpeg_next::util::error

枚举 Error

pub enum Error {
Show 28 variants    Bug,
    Bug2,
    Unknown,
    Experimental,
    BufferTooSmall,
    Eof,
    Exit,
    External,
    InvalidData,
    PatchWelcome,
    InputChanged,
    OutputChanged,
    BsfNotFound,
    DecoderNotFound,
    DemuxerNotFound,
    EncoderNotFound,
    OptionNotFound,
    MuxerNotFound,
    FilterNotFound,
    ProtocolNotFound,
    StreamNotFound,
    HttpBadRequest,
    HttpUnauthorized,
    HttpForbidden,
    HttpNotFound,
    HttpOther4xx,
    HttpServerError,
    Other {
        errno: c_int,
    },
}

变体§

Bug

Bug2

Unknown

Experimental

BufferTooSmall

Eof

Exit

External

InvalidData

PatchWelcome

InputChanged

OutputChanged

BsfNotFound

DecoderNotFound

DemuxerNotFound

EncoderNotFound

OptionNotFound

MuxerNotFound

FilterNotFound

ProtocolNotFound

StreamNotFound

HttpBadRequest

HttpUnauthorized

HttpForbidden

HttpNotFound

HttpOther4xx

HttpServerError

Other

用于包装 POSIX 错误码的 AVERROR(e)，例如 AVERROR(EAGAIN)。

字段

§errno: c_int

trait 实现§

impl Clone for Error

fn clone(&self) -> Error

返回值的副本。阅读更多

1.0.0 · 源代码§

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

从 source 执行拷贝赋值。阅读更多

impl Debug for Error

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

使用给定的格式化器格式化该值。阅读更多

impl Display for Error

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

使用给定的格式化器格式化该值。阅读更多

impl Error for Error

1.30.0 · 源代码§

fn source(&self) -> Option<&(dyn Error + 'static)>

返回此错误的更底层来源（若有）。阅读更多

1.0.0 · 源代码§

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

1.0.0 · 源代码§

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

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

Provides type-based access to context intended for error reports. 阅读更多

impl From<Error> for Error

fn from(value: Error) -> Error

从输入类型转换为此类型。

impl From<Error> for c_int

fn from(value: Error) -> c_int

从输入类型转换为此类型。

impl From<i32> for Error

fn from(value: c_int) -> Error

从输入类型转换为此类型。

impl PartialEq for Error

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

测试 self 与 other 值是否相等，供 == 运算符使用。

1.0.0 · 源代码§

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

测试 !=。默认实现几乎总是足够的，没有充分理由不应被重写。

impl Copy for Error

impl Eq for Error

impl StructuralPartialEq for Error

自动 trait 实现§

impl Freeze for Error

impl RefUnwindSafe for Error

impl Send for Error

impl Sync for Error

impl Unpin for Error

impl UnsafeUnpin for Error

impl UnwindSafe for Error

blanket 实现§

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

fn type_id(&self) -> TypeId

获取 self 的 TypeId。阅读更多

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

fn borrow(&self) -> &T

从拥有的值不可变地借用。阅读更多

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

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

从拥有的值可变地借用。阅读更多

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)

从 self 执行拷贝赋值到 dest。阅读更多

impl<T> From<T> for T

fn from(t: T) -> T

原样返回参数。

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

fn into(self) -> U

调用 U::from(self)。

That is, this conversion is whatever the implementation of From<T> for U 实现选择执行的操作。

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

type Owned = T

获取所有权后得到的类型。

fn to_owned(&self) -> T

通常通过克隆，从借用数据创建拥有的数据。阅读更多

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

通常通过克隆，使用借用数据替换拥有的数据。阅读更多

impl<T> ToString for T
where T: Display + ?Sized,

fn to_string(&self) -> String

Converts the given value to a String. 阅读更多

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

type Error = Infallible

转换出错时返回的类型。

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

执行该转换。

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

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

转换出错时返回的类型。

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

执行该转换。