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35 lines
888 B
C++
35 lines
888 B
C++
// Copyright 2018 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <cstddef>
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#include <SoundTouch.h>
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#include "common/common_types.h"
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namespace AudioCore {
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class TimeStretcher {
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public:
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TimeStretcher(u32 sample_rate, u32 channel_count);
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/// @param in Input sample buffer
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/// @param num_in Number of input frames in `in`
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/// @param out Output sample buffer
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/// @param num_out Desired number of output frames in `out`
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/// @returns Actual number of frames written to `out`
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std::size_t Process(const s16* in, std::size_t num_in, s16* out, std::size_t num_out);
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void Clear();
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void Flush();
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private:
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u32 m_sample_rate;
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u32 m_channel_count;
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soundtouch::SoundTouch m_sound_touch;
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double m_stretch_ratio = 1.0;
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};
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} // namespace AudioCore
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