Struct RCState 

pub struct RCState {

    target_bitrate: i32,
    reservoir_frame_delay: i32,
    reservoir_frame_delay_is_set: bool,
    maybe_ac_qi_max: Option<u8>,
    ac_qi_min: u8,
    drop_frames: bool,
    cap_overflow: bool,
    cap_underflow: bool,
    pass1_log_base_q: i64,
    twopass_state: i32,
    log_npixels: i64,
    bits_per_tu: i64,
    reservoir_fullness: i64,
    reservoir_target: i64,
    reservoir_max: i64,
    log_scale: [i64; 4],
    exp: [u8; 4],
    scalefilter: [IIRBessel2; 4],
    nframes: [i32; 5],
    inter_delay: [i32; 3],
    inter_delay_target: i32,
    rate_bias: i64,
    nencoded_frames: i64,
    nsef_frames: i64,
    pass1_buffer: [u8; 68],
    pub pass1_data_retrieved: bool,
    pass1_summary_retrieved: bool,
    pass2_data_ready: bool,
    prev_metrics: RCFrameMetrics,
    cur_metrics: RCFrameMetrics,
    frame_metrics: Vec<RCFrameMetrics>,
    nframe_metrics: usize,
    frame_metrics_head: usize,
    des: RCDeserialize,
    ntus: i32,
    ntus_total: i32,
    ntus_left: i32,
    nframes_total: [i32; 5],
    nframes_total_total: i32,
    nframes_left: [i32; 5],
    scale_sum: [i64; 4],
    scale_window_ntus: i32,
    scale_window_nframes: [i32; 5],
    scale_window_sum: [i64; 4],
}

Fields

target_bitrate: i32

reservoir_frame_delay: i32

reservoir_frame_delay_is_set: bool

maybe_ac_qi_max: Option<u8>

ac_qi_min: u8

drop_frames: bool

cap_overflow: bool

cap_underflow: bool

pass1_log_base_q: i64

twopass_state: i32

log_npixels: i64

bits_per_tu: i64

reservoir_fullness: i64

reservoir_target: i64

reservoir_max: i64

log_scale: [i64; 4]

exp: [u8; 4]

scalefilter: [IIRBessel2; 4]

nframes: [i32; 5]

inter_delay: [i32; 3]

inter_delay_target: i32

rate_bias: i64

nencoded_frames: i64

nsef_frames: i64

pass1_buffer: [u8; 68]

pass1_data_retrieved: bool

pass1_summary_retrieved: bool

pass2_data_ready: bool

prev_metrics: RCFrameMetrics

cur_metrics: RCFrameMetrics

frame_metrics: Vec<RCFrameMetrics>

nframe_metrics: usize

frame_metrics_head: usize

des: RCDeserialize

ntus: i32

ntus_total: i32

ntus_left: i32

nframes_total: [i32; 5]

nframes_total_total: i32

nframes_left: [i32; 5]

scale_sum: [i64; 4]

scale_window_ntus: i32

scale_window_nframes: [i32; 5]

scale_window_sum: [i64; 4]

Implementations

impl RCState

pub fn new( frame_width: i32, frame_height: i32, framerate_num: i64, framerate_den: i64, target_bitrate: i32, maybe_ac_qi_max: Option<u8>, ac_qi_min: u8, max_key_frame_interval: i32, maybe_reservoir_frame_delay: Option<i32>, ) -> RCState

pub(crate) fn select_first_pass_qi( &self, bit_depth: usize, fti: usize, chroma_sampling: ChromaSampling, ) -> QuantizerParameters

pub(crate) fn select_qi<T: Pixel>( &self, ctx: &ContextInner<T>, output_frameno: u64, fti: usize, maybe_prev_log_base_q: Option<i64>, log_isqrt_mean_scale: i64, ) -> QuantizerParameters

fn calc_flat_quantizer(base_qi: u8, bit_depth: usize, fti: usize) -> (i64, i64)

pub fn update_state( &mut self, bits: i64, fti: usize, show_frame: bool, log_target_q: i64, trial: bool, droppable: bool, ) -> bool

pub const fn needs_trial_encode(&self, fti: usize) -> bool

pub(crate) const fn ready(&self) -> bool

fn buffer_val(&mut self, val: i64, bytes: usize, cur_pos: usize) -> usize

pub(crate) fn select_pass1_log_base_q<T: Pixel>( &self, ctx: &ContextInner<T>, output_frameno: u64, ) -> i64

pub(crate) fn init_first_pass(&mut self, maybe_pass1_log_base_q: Option<i64>)

fn emit_placeholder_summary(&mut self) -> &[u8]

pub(crate) fn emit_frame_data(&mut self) -> Option<&[u8]>

pub(crate) fn emit_summary(&mut self) -> &[u8]

pub(crate) fn twopass_out(&mut self, done_processing: bool) -> Option<&[u8]>

pub(crate) fn init_second_pass(&mut self)

pub(crate) fn setup_second_pass(&mut self, s: &RCSummary)

fn twopass_parse_summary(&mut self, buf: &[u8]) -> Result<usize, String>

pub(crate) fn twopass_first_packet_size(&self) -> usize

pub(crate) fn twopass_in_frames_needed(&self) -> i32

pub(crate) fn parse_frame_data_packet( &mut self, buf: &[u8], ) -> Result<(), String>

fn twopass_parse_frame_data( &mut self, maybe_buf: Option<&[u8]>, consumed: usize, ) -> Result<usize, String>

pub(crate) fn twopass_in( &mut self, maybe_buf: Option<&[u8]>, ) -> Result<usize, String>