// Copyright (c) 2015- PPSSPP Project and Dolphin Project. // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, version 2.0 or later versions. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License 2.0 for more details. // A copy of the GPL 2.0 should have been included with the program. // If not, see http://www.gnu.org/licenses/ // Official git repository and contact information can be found at // https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/. // Adapted from Dolphin. #pragma once #include #include #include "Common/Serialize/Serializer.h" #include "Common/CommonTypes.h" struct AudioDebugStats; class StereoResampler { public: StereoResampler(); ~StereoResampler(); // Called from audio threads unsigned int Mix(short* samples, unsigned int numSamples, bool consider_framelimit, int sampleRate); // Called from main thread // This clamps the samples to 16-bit before starting to work on them. void PushSamples(const s32* samples, unsigned int num_samples); void Clear(); void DoState(PointerWrap &p); void GetAudioDebugStats(char *buf, size_t bufSize); void ResetStatCounters(); private: void UpdateBufferSize(); int m_maxBufsize; int m_targetBufsize; unsigned int m_input_sample_rate = 44100; int16_t *m_buffer; std::atomic m_indexW; std::atomic m_indexR; float m_numLeftI = 0.0f; u32 m_frac = 0; float output_sample_rate_ = 0.0; int lastBufSize_ = 0; int lastPushSize_ = 0; u32 ratio_ = 0; int underrunCount_ = 0; int overrunCount_ = 0; int underrunCountTotal_ = 0; int overrunCountTotal_ = 0; int droppedSamples_ = 0; int64_t inputSampleCount_ = 0; int64_t outputSampleCount_ = 0; double startTime_ = 0.0; };