ffmpeg_dev::sys

Struct RateControlContext

#[repr(C)]
pub struct RateControlContext {Show 22 fields
    pub num_entries: c_int,
    pub entry: *mut RateControlEntry,
    pub buffer_index: f64,
    pub pred: [Predictor; 5],
    pub short_term_qsum: f64,
    pub short_term_qcount: f64,
    pub pass1_rc_eq_output_sum: f64,
    pub pass1_wanted_bits: f64,
    pub last_qscale: f64,
    pub last_qscale_for: [f64; 5],
    pub last_mc_mb_var_sum: i64,
    pub last_mb_var_sum: i64,
    pub i_cplx_sum: [u64; 5],
    pub p_cplx_sum: [u64; 5],
    pub mv_bits_sum: [u64; 5],
    pub qscale_sum: [u64; 5],
    pub frame_count: [c_int; 5],
    pub last_non_b_pict_type: c_int,
    pub non_lavc_opaque: *mut c_void,
    pub dry_run_qscale: f32,
    pub last_picture_number: c_int,
    pub rc_eq_eval: *mut AVExpr,
}

Expand description

rate control context.

Fields§

§num_entries: c_int

< number of RateControlEntries

§entry: *mut RateControlEntry§buffer_index: f64

< amount of bits in the video/audio buffer

§pred: [Predictor; 5]§short_term_qsum: f64

< sum of recent qscales

§short_term_qcount: f64

< count of recent qscales

§pass1_rc_eq_output_sum: f64

< sum of the output of the rc equation, this is used for normalization

§pass1_wanted_bits: f64

< bits which should have been output by the pass1 code (including complexity init)

§last_qscale: f64§last_qscale_for: [f64; 5]

< last qscale for a specific pict type, used for max_diff & ipb factor stuff

§last_mc_mb_var_sum: i64§last_mb_var_sum: i64§i_cplx_sum: [u64; 5]§p_cplx_sum: [u64; 5]§mv_bits_sum: [u64; 5]§qscale_sum: [u64; 5]§frame_count: [c_int; 5]§last_non_b_pict_type: c_int§non_lavc_opaque: *mut c_void

< context for non lavc rc code (for example xvid)

§dry_run_qscale: f32

< for xvid rc

§last_picture_number: c_int

< for xvid rc

§rc_eq_eval: *mut AVExpr

Trait Implementations§

impl Clone for RateControlContext

fn clone(&self) -> RateControlContext

Returns a copy 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 RateControlContext

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

Formats the value using the given formatter. Read more

impl Copy for RateControlContext

Auto Trait Implementations§

impl Freeze for RateControlContext

impl RefUnwindSafe for RateControlContext

impl !Send for RateControlContext

impl !Sync for RateControlContext

impl Unpin for RateControlContext

impl UnwindSafe for RateControlContext

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, dst: *mut u8)

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

Performs copy-assignment from self to dst. 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.