枚举 AVFieldOrder 

#[repr(i32)]
pub enum AVFieldOrder {
    AV_FIELD_UNKNOWN = 0,
    AV_FIELD_PROGRESSIVE = 1,
    AV_FIELD_TT = 2,
    AV_FIELD_BB = 3,
    AV_FIELD_TB = 4,
    AV_FIELD_BT = 5,
}

Variants

AV_FIELD_UNKNOWN = 0

AV_FIELD_PROGRESSIVE = 1

AV_FIELD_TT = 2

< Top coded_first, top displayed first

AV_FIELD_BB = 3

< Bottom coded first, bottom displayed first

AV_FIELD_TB = 4

< Top coded first, bottom displayed first

AV_FIELD_BT = 5

< Bottom coded first, top displayed first

trait 实现

impl Clone for AVFieldOrder

fn clone(&self) -> AVFieldOrder

Returns a duplicate of the value. 阅读更多

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

从 source 执行拷贝赋值。 阅读更多

impl Debug for AVFieldOrder

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

使用给定的格式化器格式化该值。 阅读更多

impl Hash for AVFieldOrder

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. 阅读更多

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

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. 阅读更多

impl PartialEq for AVFieldOrder

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

Tests for self and other values to be equal, and is used by ==.

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 AVFieldOrder

impl Eq for AVFieldOrder

impl StructuralPartialEq for AVFieldOrder