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Level

openh264::encoder

Enum Level

pub enum Level {
Show 17 variants    Level_1_0,
    Level_1_B,
    Level_1_1,
    Level_1_2,
    Level_1_3,
    Level_2_0,
    Level_2_1,
    Level_2_2,
    Level_3_0,
    Level_3_1,
    Level_3_2,
    Level_4_0,
    Level_4_1,
    Level_4_2,
    Level_5_0,
    Level_5_1,
    Level_5_2,
}

Expand description

H.264 encoding levels with their corresponding capabilities.

Level	Max Resolution (Pixels)	Max Frame Rate (fps)	Max Bitrate (Main Profile)	Max Bitrate (High Profile)
1.0	176x144 (QCIF)	15	64 kbps	80 kbps
1.1	176x144 (QCIF)	30	192 kbps	240 kbps
1.2	320x240 (QVGA)	30	384 kbps	480 kbps
2.0	352x288 (CIF)	30	2 Mbps	2.5 Mbps
3.0	720x576 (SD)	30	10 Mbps	12.5 Mbps
3.1	1280x720 (HD)	30	14 Mbps	17.5 Mbps
4.0	1920x1080 (Full HD)	30	20 Mbps	25 Mbps
4.1	1920x1080 (Full HD)	60	50 Mbps	62.5 Mbps
5.0	3840x2160 (4K)	30	135 Mbps	168.75 Mbps
5.1	3840x2160 (4K)	60	240 Mbps	300 Mbps
5.2	4096x2160 (4K Cinema)	60	480 Mbps	600 Mbps

Variants§

Level_1_0

Level 1.0: Max resolution 176x144 (QCIF), 15 fps, 64 kbps (Main), 80 kbps (High)

Level_1_B

Level 1.B: Specialized low-complexity baseline level.

Level_1_1

Level 1.1: Max resolution 176x144 (QCIF), 30 fps, 192 kbps (Main), 240 kbps (High)

Level_1_2

Level 1.2: Max resolution 320x240 (QVGA), 30 fps, 384 kbps (Main), 480 kbps (High)

Level_1_3

Level 1.3: Reserved in standard, similar to Level 2.0.

Level_2_0

Level 2.0: Max resolution 352x288 (CIF), 30 fps, 2 Mbps (Main), 2.5 Mbps (High)

Level_2_1

Level 2.1: Max resolution 352x288 (CIF), 30 fps, 4 Mbps (Main), 5 Mbps (High)

Level_2_2

Level 2.2: Max resolution 352x288 (CIF), 30 fps, 10 Mbps (Main), 12.5 Mbps (High)

Level_3_0

Level 3.0: Max resolution 720x576 (SD), 30 fps, 10 Mbps (Main), 12.5 Mbps (High)

Level_3_1

Level 3.1: Max resolution 1280x720 (HD), 30 fps, 14 Mbps (Main), 17.5 Mbps (High)

Level_3_2

Level 3.2: Max resolution 1280x720 (HD), 60 fps, 20 Mbps (Main), 25 Mbps (High)

Level_4_0

Level 4.0: Max resolution 1920x1080 (Full HD), 30 fps, 20 Mbps (Main), 25 Mbps (High)

Level_4_1

Level 4.1: Max resolution 1920x1080 (Full HD), 60 fps, 50 Mbps (Main), 62.5 Mbps (High)

Level_4_2

Level 4.2: Max resolution 1920x1080 (Full HD), 120 fps, 100 Mbps (Main), 125 Mbps (High)

Level_5_0

Level 5.0: Max resolution 3840x2160 (4K), 30 fps, 135 Mbps (Main), 168.75 Mbps (High)

Level_5_1

Level 5.1: Max resolution 3840x2160 (4K), 60 fps, 240 Mbps (Main), 300 Mbps (High)

Level_5_2

Level 5.2: Max resolution 4096x2160 (4K Cinema), 60 fps, 480 Mbps (Main), 600 Mbps (High)

Trait Implementations§

impl Clone for Level

fn clone(&self) -> Level

Returns a duplicate of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

impl Debug for Level

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

Formats the value using the given formatter. Read more

impl Copy for Level

Auto Trait Implementations§

impl Freeze for Level

impl RefUnwindSafe for Level

impl Send for Level

impl Sync for Level

impl Unpin for Level

impl UnsafeUnpin for Level

impl UnwindSafe for Level

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, 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> 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 = Infallible

The type returned in the event of a conversion error.

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

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.