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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
Audacity: A Digital Audio Editor
DynamicRangeProcessorHistory.h
Matthieu Hodgkinson
**********************************************************************/
#pragma once
#include "DynamicRangeProcessorTypes.h"
#include <memory>
#include <optional>
#include <vector>
class DYNAMIC_RANGE_PROCESSOR_API DynamicRangeProcessorHistory final
{
public:
DynamicRangeProcessorHistory(double sampleRate);
struct Packet
{
float time = 0.f;
float target = 0.f;
float follower = 0.f;
float input = 0.f;
float output = 0.f;
};
static constexpr auto maxTimeSeconds = 2.5f;
using Segment = std::vector<Packet>;
void Push(const std::vector<DynamicRangeProcessorOutputPacket>& packets);
void BeginNewSegment();
const std::vector<Segment>& GetSegments() const;
bool IsEmpty() const;
private:
float GetPacketTime(const DynamicRangeProcessorOutputPacket& packet) const;
const double mSampleRate;
bool mBeginNewSegment = true;
std::vector<Segment> mSegments;
std::optional<long long> mFirstPacketFirstSampleIndex;
std::optional<long long> mExpectedNextPacketFirstSampleIndex;
};
class DynamicRangeProcessorHistory;
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