Struct RcConfig 

pub struct RcConfig {

    pub mode: RateControlMode,
    pub target_bitrate: u64,
    pub max_bitrate: Option<u64>,
    pub min_bitrate: Option<u64>,
    pub min_qp: u8,
    pub max_qp: u8,
    pub initial_qp: u8,
    pub crf: f32,
    pub buffer_size: u64,
    pub initial_buffer_fullness: f32,
    pub framerate_num: u32,
    pub framerate_den: u32,
    pub gop_length: u32,
    pub enable_aq: bool,
    pub aq_strength: f32,
    pub lookahead_depth: usize,
    pub b_qp_offset: i8,
    pub i_qp_offset: i8,
    pub scene_cut_detection: bool,
    pub scene_cut_threshold: f32,
}

Rate control configuration.

Fields

mode: RateControlMode

Rate control mode.

target_bitrate: u64

Target bitrate in bits per second.

max_bitrate: Option<u64>

Maximum bitrate in bits per second (for VBR).

min_bitrate: Option<u64>

Minimum bitrate in bits per second (for VBR).

min_qp: u8

Minimum QP value (higher quality limit).

max_qp: u8

Maximum QP value (lower quality limit).

initial_qp: u8

Initial QP for the first frame.

crf: f32

CRF value for quality-based modes (0-63).

buffer_size: u64

VBV/HRD buffer size in bits.

initial_buffer_fullness: f32

Initial buffer fullness as a fraction (0.0-1.0).

framerate_num: u32

Frame rate numerator.

framerate_den: u32

Frame rate denominator.

gop_length: u32

GOP (keyframe interval) length.

enable_aq: bool

Enable adaptive quantization.

aq_strength: f32

AQ strength (0.0-2.0).

lookahead_depth: usize

Lookahead depth (number of frames).

b_qp_offset: i8

B-frame QP offset from P-frame.

i_qp_offset: i8

I-frame QP offset from P-frame (typically negative).

scene_cut_detection: bool

Enable scene cut detection.

scene_cut_threshold: f32

Scene cut threshold (0.0-1.0).

Implementations

impl RcConfig

pub fn cqp(qp: u8) -> Self

Create a CQP configuration.

pub fn cbr(bitrate: u64) -> Self

Create a CBR configuration.

pub fn vbr(target: u64, max: u64) -> Self

Create a VBR configuration.

pub fn crf(crf_value: f32) -> Self

Create a CRF configuration.

pub fn framerate(&self) -> f64

Get the frame rate as a floating point value.

pub fn target_bits_per_frame(&self) -> u64

Get the target bits per frame.

pub fn validate(&self) -> Result<(), RcConfigError>

Validate configuration parameters.

Trait Implementations

impl Clone for RcConfig

fn clone(&self) -> RcConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RcConfig

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

Formats the value using the given formatter.

impl Default for RcConfig

fn default() -> Self

Returns the “default value” for a type.