枚举 AVHWFrameTransferDirection 

#[repr(i32)]
pub enum AVHWFrameTransferDirection {
    AV_HWFRAME_TRANSFER_DIRECTION_FROM = 0,
    AV_HWFRAME_TRANSFER_DIRECTION_TO = 1,
}

Variants

AV_HWFRAME_TRANSFER_DIRECTION_FROM = 0

Transfer the data from the queried hw frame.

AV_HWFRAME_TRANSFER_DIRECTION_TO = 1

Transfer the data to the queried hw frame.

trait 实现

impl Clone for AVHWFrameTransferDirection

fn clone(&self) -> AVHWFrameTransferDirection

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 AVHWFrameTransferDirection

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 AVHWFrameTransferDirection

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 AVHWFrameTransferDirection

fn eq(&self, other: &AVHWFrameTransferDirection) -> 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 AVHWFrameTransferDirection

impl Eq for AVHWFrameTransferDirection

impl StructuralPartialEq for AVHWFrameTransferDirection