use crate::silk::define::*;
#[derive(Clone, Default)]
pub struct SilkStereoState {
pub s_mid: [i16; 2],
pub s_side: [i16; 2],
pub left: i16,
pub side: Vec<i16>,
}
#[derive(Clone, Copy)]
pub struct NLSFCodebook {
pub n_vectors: i16,
pub order: i16,
pub quant_step_size_q16: i32,
pub inv_quant_step_size_q6: i16,
pub cb1_nlsf_q8: &'static [u8],
pub cb1_wght_q9: &'static [i16],
pub cb1_icdf: &'static [u8],
pub pred_q8: &'static [u8],
pub ec_sel: &'static [u8],
pub ec_icdf: &'static [u8],
pub ec_rates_q5: &'static [u8],
pub delta_min_q15: &'static [i16],
}
#[derive(Clone, Copy)]
pub struct SideInfoIndices {
pub gains_indices: [i8; MAX_NB_SUBFR],
pub ltp_index: [i8; MAX_NB_SUBFR],
pub nlsf_indices: [i8; MAX_LPC_ORDER + 1],
pub lag_index: i16,
pub contour_index: i8,
pub signal_type: i8,
pub voicing_idx: i8,
pub quant_offset_type: i8,
pub nlsf_interp_coef_q2: i8,
pub per_index: i8,
pub ltp_scale_index: i8,
pub seed: i8,
pub pred_idx: i8,
pub side_idx: i8,
pub only_middle: i8,
}
impl Default for SideInfoIndices {
fn default() -> Self {
Self {
gains_indices: [0; MAX_NB_SUBFR],
ltp_index: [0; MAX_NB_SUBFR],
nlsf_indices: [0; MAX_LPC_ORDER + 1],
lag_index: 0,
contour_index: 0,
signal_type: 0,
voicing_idx: 0,
quant_offset_type: 0,
nlsf_interp_coef_q2: 4,
per_index: 0,
ltp_scale_index: 0,
seed: 0,
pred_idx: 0,
side_idx: 0,
only_middle: 0,
}
}
}
#[derive(Clone, Copy, Default)]
pub struct SilkShapeState {
pub last_gain_index: i8,
pub harm_boost_smth_q16: i32,
pub harm_shape_gain_smth_q16: i32,
pub tilt_smth_q16: i32,
}
#[derive(Clone, Copy)]
pub struct SilkVADState {
pub ana_state: [i32; 2],
pub ana_state1: [i32; 2],
pub ana_state2: [i32; 2],
pub xnrg_subfr: [i32; VAD_N_BANDS],
pub nrg_ratio_smth_q8: [i32; VAD_N_BANDS],
pub hp_state: i16,
pub nl: [i32; VAD_N_BANDS],
pub inv_nl: [i32; VAD_N_BANDS],
pub noise_level_bias: [i32; VAD_N_BANDS],
pub counter: i32,
}
impl Default for SilkVADState {
fn default() -> Self {
Self {
ana_state: [0; 2],
ana_state1: [0; 2],
ana_state2: [0; 2],
xnrg_subfr: [0; VAD_N_BANDS],
nrg_ratio_smth_q8: [0; VAD_N_BANDS],
hp_state: 0,
nl: [0; VAD_N_BANDS],
inv_nl: [0; VAD_N_BANDS],
noise_level_bias: [0; VAD_N_BANDS],
counter: 0,
}
}
}
#[derive(Clone, Copy, Default)]
pub struct SilkLPState {
pub in_lp_state: [i32; 2],
pub transition_frame_no: i32,
pub mode: i32,
pub saved_fs_khz: i32,
}
pub struct SilkEncoderStateCommon {
pub indices: SideInfoIndices,
pub in_hp_state: [i32; 2],
pub snr_db_q7: i32,
pub input_quality_bands_q15: [i32; VAD_N_BANDS],
pub speech_activity_q8: i32,
pub use_cbr: i32,
pub fs_khz: i32,
pub nb_subfr: i32,
pub warping_q16: i32,
pub la_shape: i32,
pub shape_win_length: i32,
pub shaping_lpc_order: i32,
pub predict_lpc_order: i32,
pub subfr_length: i32,
pub la_pitch: i32,
pub frame_length: i32,
pub ltp_mem_length: i32,
pub pitch_lpc_win_length: i32,
pub pitch_estimation_complexity: i32,
pub pitch_estimation_threshold_q16: i32,
pub first_frame_after_reset: i32,
pub prev_signal_type: i32,
pub input_tilt_q15: i32,
pub n_states_delayed_decision: i32,
pub prev_lag: i32,
pub x_buf: [i16; 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX],
pub x_buf_idx: i32,
pub prev_nlsf_q15: [i16; MAX_LPC_ORDER],
pub nlsf_mu_q20: i32,
pub n_nlsf_survivors: i32,
pub variable_hp_smth1_q15: i32,
pub variable_hp_smth2_q15: i32,
pub s_lp: SilkLPState,
pub s_vad: SilkVADState,
pub lbrr_enabled: i32,
pub indices_lbrr: [SideInfoIndices; MAX_FRAMES_PER_PACKET],
pub pulses_lbrr: [[i8; MAX_FRAME_LENGTH]; MAX_FRAMES_PER_PACKET],
pub n_frames_encoded: i32,
pub n_frames_per_packet: i32,
pub target_rate_bps: i32,
pub packet_size_ms: i32,
pub complexity: i32,
pub sum_log_gain_q7: i32,
pub packet_loss_perc: i32,
pub lbrr_flag: i8,
pub no_speech_counter: i32,
pub in_dtx: i32,
pub vad_flags: [i32; MAX_FRAMES_PER_PACKET],
pub frame_counter: i32,
pub ec_prev_signal_type: i32,
pub ec_prev_lag_index: i16,
pub frames_since_onset: i32,
pub input_buf: [i16; MAX_FRAME_LENGTH + 2],
pub input_buf_ix: i32,
pub controlled_since_last_payload: i32,
pub use_interpolated_nlsfs: i32,
pub use_dtx: i32,
pub use_in_band_fec: i32,
pub lbrr_gain_increases: i32,
pub lbrr_flags: [i32; MAX_FRAMES_PER_PACKET],
pub prefill_flag: i32,
pub n_channels: i32,
}
impl Default for SilkEncoderStateCommon {
fn default() -> Self {
Self {
indices: SideInfoIndices::default(),
in_hp_state: [0; 2],
snr_db_q7: 0,
input_quality_bands_q15: [0; VAD_N_BANDS],
speech_activity_q8: 0,
use_cbr: 0,
fs_khz: 0,
nb_subfr: 0,
warping_q16: 0,
la_shape: 0,
shape_win_length: 0,
shaping_lpc_order: 0,
predict_lpc_order: 0,
subfr_length: 0,
la_pitch: 0,
frame_length: 0,
ltp_mem_length: 0,
pitch_lpc_win_length: 0,
pitch_estimation_complexity: 0,
pitch_estimation_threshold_q16: 0,
first_frame_after_reset: 0,
prev_signal_type: 0,
input_tilt_q15: 0,
n_states_delayed_decision: 0,
prev_lag: 0,
x_buf: [0; 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX],
x_buf_idx: 0,
prev_nlsf_q15: [0; MAX_LPC_ORDER],
nlsf_mu_q20: 0,
n_nlsf_survivors: 0,
variable_hp_smth1_q15: 0,
variable_hp_smth2_q15: 0,
s_lp: SilkLPState::default(),
s_vad: SilkVADState::default(),
lbrr_enabled: 0,
indices_lbrr: [SideInfoIndices::default(); MAX_FRAMES_PER_PACKET],
pulses_lbrr: [[0; MAX_FRAME_LENGTH]; MAX_FRAMES_PER_PACKET],
n_frames_encoded: 0,
n_frames_per_packet: 0,
target_rate_bps: 0,
packet_size_ms: 0,
complexity: 0,
sum_log_gain_q7: 0,
packet_loss_perc: 0,
lbrr_flag: 0,
no_speech_counter: 0,
in_dtx: 0,
vad_flags: [0; MAX_FRAMES_PER_PACKET],
frame_counter: 0,
ec_prev_signal_type: 0,
ec_prev_lag_index: 0,
frames_since_onset: 0,
input_buf: [0; MAX_FRAME_LENGTH + 2],
input_buf_ix: 0,
controlled_since_last_payload: 0,
use_interpolated_nlsfs: 0,
use_dtx: 0,
use_in_band_fec: 0,
lbrr_gain_increases: 0,
lbrr_flags: [0; MAX_FRAMES_PER_PACKET],
prefill_flag: 0,
n_channels: 1,
}
}
}
pub struct SilkEncoderState {
pub s_cmn: SilkEncoderStateCommon,
pub s_shape: SilkShapeState,
pub pulses: [i8; MAX_FRAME_LENGTH],
pub s_nsq: SilkNSQState,
pub ltp_corr_q15: i32,
pub res_nrg_smth: i32,
pub pitch_estimation_lpc_order: i32,
pub ps_nlsf_cb: Option<&'static NLSFCodebook>,
pub stereo: SilkStereoState,
pub resampler_delay_buf: [i16; 48],
}
impl Default for SilkEncoderState {
fn default() -> Self {
Self {
s_cmn: SilkEncoderStateCommon::default(),
s_shape: SilkShapeState::default(),
pulses: [0; MAX_FRAME_LENGTH],
s_nsq: SilkNSQState::default(),
ltp_corr_q15: 0,
res_nrg_smth: 0,
pitch_estimation_lpc_order: 0,
ps_nlsf_cb: None,
stereo: SilkStereoState::default(),
resampler_delay_buf: [0; 48],
}
}
}
#[derive(Clone, Copy)]
pub struct SilkNSQState {
pub xq: [i16; 2 * MAX_FRAME_LENGTH],
pub s_ltp_shp_q14: [i32; 2 * MAX_FRAME_LENGTH],
pub s_lpc_q14: [i32; MAX_SUB_FRAME_LENGTH + NSQ_LPC_BUF_LENGTH],
pub s_ar2_q14: [i32; MAX_SHAPE_LPC_ORDER],
pub s_lf_ar_q14: i32,
pub s_diff_shp_q14: i32,
pub lag_prev: i32,
pub s_ltp_buf_idx: i32,
pub s_ltp_shp_buf_idx: i32,
pub rand_seed: i32,
pub prev_gain_q16: i32,
pub rewhite_flag: i32,
pub prev_sig_type: i8,
}
impl Default for SilkNSQState {
fn default() -> Self {
Self {
xq: [0; 2 * MAX_FRAME_LENGTH],
s_ltp_shp_q14: [0; 2 * MAX_FRAME_LENGTH],
s_lpc_q14: [0; MAX_SUB_FRAME_LENGTH + NSQ_LPC_BUF_LENGTH],
s_ar2_q14: [0; MAX_SHAPE_LPC_ORDER],
s_lf_ar_q14: 0,
s_diff_shp_q14: 0,
lag_prev: 0,
s_ltp_buf_idx: 0,
s_ltp_shp_buf_idx: 0,
rand_seed: 0,
prev_gain_q16: 0,
rewhite_flag: 0,
prev_sig_type: 0,
}
}
}
#[derive(Clone, Copy)]
pub struct SilkEncoderControl {
pub input_quality_q14: i32,
pub coding_quality_q14: i32,
pub pitch_l: [i32; MAX_NB_SUBFR],
pub gains_q16: [i32; MAX_NB_SUBFR],
pub gains_unq_q16: [i32; MAX_NB_SUBFR],
pub pred_coef_q12: [[i16; MAX_LPC_ORDER]; 2],
pub ltp_coef_q14: [i16; MAX_NB_SUBFR * LTP_ORDER],
pub ltp_scale_q14: i32,
pub ar_q13: [i16; MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER],
pub lf_shp_q14: [i32; MAX_NB_SUBFR],
pub tilt_q14: [i32; MAX_NB_SUBFR],
pub harm_shape_gain_q14: [i32; MAX_NB_SUBFR],
pub lambda_q10: i32,
pub pred_gain_q16: i32,
pub ltp_red_cod_gain_q7: i32,
pub res_nrg: [i32; MAX_NB_SUBFR],
pub res_nrg_q: [i32; MAX_NB_SUBFR],
pub last_gain_index_prev: i8,
}
impl Default for SilkEncoderControl {
fn default() -> Self {
Self {
input_quality_q14: 0,
coding_quality_q14: 0,
pitch_l: [0; MAX_NB_SUBFR],
gains_q16: [0; MAX_NB_SUBFR],
gains_unq_q16: [0; MAX_NB_SUBFR],
pred_coef_q12: [[0; MAX_LPC_ORDER]; 2],
ltp_coef_q14: [0; MAX_NB_SUBFR * LTP_ORDER],
ltp_scale_q14: 0,
ar_q13: [0; MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER],
lf_shp_q14: [0; MAX_NB_SUBFR],
tilt_q14: [0; MAX_NB_SUBFR],
harm_shape_gain_q14: [0; MAX_NB_SUBFR],
lambda_q10: 0,
pred_gain_q16: 0,
ltp_red_cod_gain_q7: 0,
res_nrg: [0; MAX_NB_SUBFR],
res_nrg_q: [0; MAX_NB_SUBFR],
last_gain_index_prev: 0,
}
}
}