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Diffstat (limited to 'ml/BitRateWindow.h')
-rw-r--r-- | ml/BitRateWindow.h | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/ml/BitRateWindow.h b/ml/BitRateWindow.h deleted file mode 100644 index 0d99008b85..0000000000 --- a/ml/BitRateWindow.h +++ /dev/null @@ -1,170 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later - -#ifndef BIT_RATE_WINDOW_H -#define BIT_RATE_WINDOW_H - -#include "BitBufferCounter.h" -#include "ml-private.h" - -namespace ml { - -class BitRateWindow { -public: - enum class State { - NotFilled, - BelowThreshold, - AboveThreshold, - Idle - }; - - using Edge = std::pair<State, State>; - using Action = size_t (BitRateWindow::*)(State PrevState, bool NewBit); - -private: - std::map<Edge, Action> EdgeActions = { - // From == To - { - Edge(State::NotFilled, State::NotFilled), - &BitRateWindow::onRoundtripNotFilled, - }, - { - Edge(State::BelowThreshold, State::BelowThreshold), - &BitRateWindow::onRoundtripBelowThreshold, - }, - { - Edge(State::AboveThreshold, State::AboveThreshold), - &BitRateWindow::onRoundtripAboveThreshold, - }, - { - Edge(State::Idle, State::Idle), - &BitRateWindow::onRoundtripIdle, - }, - - - // NotFilled => {BelowThreshold, AboveThreshold} - { - Edge(State::NotFilled, State::BelowThreshold), - &BitRateWindow::onNotFilledToBelowThreshold - }, - { - Edge(State::NotFilled, State::AboveThreshold), - &BitRateWindow::onNotFilledToAboveThreshold - }, - - // BelowThreshold => AboveThreshold - { - Edge(State::BelowThreshold, State::AboveThreshold), - &BitRateWindow::onBelowToAboveThreshold - }, - - // AboveThreshold => Idle - { - Edge(State::AboveThreshold, State::Idle), - &BitRateWindow::onAboveThresholdToIdle - }, - - // Idle => NotFilled - { - Edge(State::Idle, State::NotFilled), - &BitRateWindow::onIdleToNotFilled - }, - }; - -public: - BitRateWindow(size_t MinLength, size_t MaxLength, size_t IdleLength, - size_t SetBitsThreshold) : - MinLength(MinLength), MaxLength(MaxLength), IdleLength(IdleLength), - SetBitsThreshold(SetBitsThreshold), - CurrState(State::NotFilled), CurrLength(0), BBC(MinLength) {} - - std::pair<Edge, size_t> insert(bool Bit); - - void print(std::ostream &OS) const; - -private: - size_t onRoundtripNotFilled(State PrevState, bool NewBit) { - (void) PrevState, (void) NewBit; - - CurrLength += 1; - return CurrLength; - } - - size_t onRoundtripBelowThreshold(State PrevState, bool NewBit) { - (void) PrevState, (void) NewBit; - - CurrLength = MinLength; - return CurrLength; - } - - size_t onRoundtripAboveThreshold(State PrevState, bool NewBit) { - (void) PrevState, (void) NewBit; - - CurrLength += 1; - return CurrLength; - } - - size_t onRoundtripIdle(State PrevState, bool NewBit) { - (void) PrevState, (void) NewBit; - - CurrLength += 1; - return CurrLength; - } - - size_t onNotFilledToBelowThreshold(State PrevState, bool NewBit) { - (void) PrevState, (void) NewBit; - - CurrLength = MinLength; - return CurrLength; - } - - size_t onNotFilledToAboveThreshold(State PrevState, bool NewBit) { - (void) PrevState, (void) NewBit; - - CurrLength += 1; - return CurrLength; - } - - size_t onBelowToAboveThreshold(State PrevState, bool NewBit) { - (void) PrevState, (void) NewBit; - - CurrLength = MinLength; - return CurrLength; - } - - size_t onAboveThresholdToIdle(State PrevState, bool NewBit) { - (void) PrevState, (void) NewBit; - - size_t PrevLength = CurrLength; - CurrLength = 1; - return PrevLength; - } - - size_t onIdleToNotFilled(State PrevState, bool NewBit) { - (void) PrevState, (void) NewBit; - - BBC = BitBufferCounter(MinLength); - BBC.insert(NewBit); - - CurrLength = 1; - return CurrLength; - } - -private: - size_t MinLength; - size_t MaxLength; - size_t IdleLength; - size_t SetBitsThreshold; - - State CurrState; - size_t CurrLength; - BitBufferCounter BBC; -}; - -} // namespace ml - -inline std::ostream& operator<<(std::ostream &OS, const ml::BitRateWindow BRW) { - BRW.print(OS); - return OS; -} - -#endif /* BIT_RATE_WINDOW_H */ |