mirror of https://github.com/stella-emu/stella.git
85 lines
2.1 KiB
C++
85 lines
2.1 KiB
C++
//============================================================================
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//
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// SSSS tt lll lll
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// SS SS tt ll ll
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// SS tttttt eeee ll ll aaaa
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// SSSS tt ee ee ll ll aa
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// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
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// SS SS tt ee ll ll aa aa
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// SSSS ttt eeeee llll llll aaaaa
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//
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// Copyright (c) 1995-2020 by Bradford W. Mott, Stephen Anthony
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// and the Stella Team
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//
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// See the file "License.txt" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//============================================================================
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#ifndef RESAMPLER_HXX
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#define RESAMPLER_HXX
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#include <functional>
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#include "bspf.hxx"
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#include "StaggeredLogger.hxx"
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class Resampler {
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public:
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using NextFragmentCallback = std::function<Int16*()>;
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class Format {
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public:
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Format(uInt32 f_sampleRate, uInt32 f_fragmentSize, bool f_stereo) :
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sampleRate(f_sampleRate),
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fragmentSize(f_fragmentSize),
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stereo(f_stereo)
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{}
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public:
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uInt32 sampleRate{31400};
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uInt32 fragmentSize{512};
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bool stereo{false};
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private:
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Format() = delete;
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};
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public:
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Resampler(Format formatFrom, Format formatTo,
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const NextFragmentCallback& nextFragmentCallback) :
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myFormatFrom(formatFrom),
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myFormatTo(formatTo),
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myNextFragmentCallback(nextFragmentCallback),
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myUnderrunLogger("audio buffer underrun", Logger::Level::INFO)
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{}
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virtual void fillFragment(float* fragment, uInt32 length) = 0;
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virtual ~Resampler() = default;
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protected:
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Format myFormatFrom;
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Format myFormatTo;
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NextFragmentCallback myNextFragmentCallback;
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StaggeredLogger myUnderrunLogger;
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private:
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Resampler() = delete;
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Resampler(const Resampler&) = delete;
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Resampler(Resampler&&) = delete;
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Resampler& operator=(const Resampler&) = delete;
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Resampler& operator=(Resampler&&) = delete;
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};
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#endif // RESAMPLER_HXX
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