BitrateController

kizzasi_tokenizer::entropy

Struct BitrateController 

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pub struct BitrateController { /* private fields */ }
Expand description

Bit-rate controller for adaptive quantization

Dynamically adjusts quantization parameters to achieve a target bit-rate

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impl BitrateController

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pub fn new( target_bits_per_symbol: f64, initial_step: f64, kp: f64, ki: f64, ) -> TokenizerResult<Self>

Create a new bitrate controller

§Arguments
  • target_bits_per_symbol - Desired average bits per symbol
  • initial_step - Initial quantization step size
  • kp - Proportional gain (typical: 0.1)
  • ki - Integral gain (typical: 0.01)
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pub fn update(&mut self, actual_bits_per_symbol: f64) -> f64

Update controller based on observed bit-rate

§Arguments
  • actual_bits_per_symbol - Measured bits per symbol in current frame
§Returns

New quantization step size to use

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pub fn current_step(&self) -> f64

Get current quantization step

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pub fn target_bitrate(&self) -> f64

Get target bit-rate

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pub fn current_bitrate(&self) -> f64

Get current average bit-rate

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pub fn reset(&mut self)

Reset controller state

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pub fn set_target(&mut self, target_bits_per_symbol: f64) -> TokenizerResult<()>

Set new target bit-rate

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