枚举 AVClassCategory 

#[repr(i32)]
pub enum AVClassCategory {
    AV_CLASS_CATEGORY_NA = 0,
    AV_CLASS_CATEGORY_INPUT = 1,
    AV_CLASS_CATEGORY_OUTPUT = 2,
    AV_CLASS_CATEGORY_MUXER = 3,
    AV_CLASS_CATEGORY_DEMUXER = 4,
    AV_CLASS_CATEGORY_ENCODER = 5,
    AV_CLASS_CATEGORY_DECODER = 6,
    AV_CLASS_CATEGORY_FILTER = 7,
    AV_CLASS_CATEGORY_BITSTREAM_FILTER = 8,
    AV_CLASS_CATEGORY_SWSCALER = 9,
    AV_CLASS_CATEGORY_SWRESAMPLER = 10,
    AV_CLASS_CATEGORY_HWDEVICE = 11,
    AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT = 40,
    AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT = 41,
    AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT = 42,
    AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT = 43,
    AV_CLASS_CATEGORY_DEVICE_OUTPUT = 44,
    AV_CLASS_CATEGORY_DEVICE_INPUT = 45,
    AV_CLASS_CATEGORY_NB = 46,
}

Variants

AV_CLASS_CATEGORY_NA = 0

AV_CLASS_CATEGORY_INPUT = 1

AV_CLASS_CATEGORY_OUTPUT = 2

AV_CLASS_CATEGORY_MUXER = 3

AV_CLASS_CATEGORY_DEMUXER = 4

AV_CLASS_CATEGORY_ENCODER = 5

AV_CLASS_CATEGORY_DECODER = 6

AV_CLASS_CATEGORY_FILTER = 7

AV_CLASS_CATEGORY_BITSTREAM_FILTER = 8

AV_CLASS_CATEGORY_SWSCALER = 9

AV_CLASS_CATEGORY_SWRESAMPLER = 10

AV_CLASS_CATEGORY_HWDEVICE = 11

AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT = 40

AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT = 41

AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT = 42

AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT = 43

AV_CLASS_CATEGORY_DEVICE_OUTPUT = 44

AV_CLASS_CATEGORY_DEVICE_INPUT = 45

AV_CLASS_CATEGORY_NB = 46

< not part of ABI/API

trait 实现

impl Clone for AVClassCategory

fn clone(&self) -> AVClassCategory

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 AVClassCategory

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 AVClassCategory

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 AVClassCategory

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

impl Eq for AVClassCategory

impl StructuralPartialEq for AVClassCategory