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https://github.com/hrydgard/ppsspp.git
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64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
// Copyright (c) 2015- PPSSPP Project and Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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// Adapted from Dolphin.
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#pragma once
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#include <string>
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#include "Common/ChunkFile.h"
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#include "Common/CommonTypes.h"
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struct AudioDebugStats;
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class StereoResampler {
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public:
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StereoResampler();
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~StereoResampler();
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// Called from audio threads
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unsigned int Mix(short* samples, unsigned int numSamples, bool consider_framelimit, int sampleRate);
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// Called from main thread
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// This clamps the samples to 16-bit before starting to work on them.
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void PushSamples(const s32* samples, unsigned int num_samples);
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void Clear();
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void DoState(PointerWrap &p);
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void GetAudioDebugStats(AudioDebugStats *stats);
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protected:
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void UpdateBufferSize();
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void SetInputSampleRate(unsigned int rate);
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int m_bufsize;
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int m_lowwatermark;
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unsigned int m_input_sample_rate;
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int16_t *m_buffer;
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volatile u32 m_indexW;
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volatile u32 m_indexR;
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float m_numLeftI;
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u32 m_frac;
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int underrunCount_;
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int overrunCount_;
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float sample_rate_;
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int lastBufSize_;
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int lastPushSize_;
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};
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