f3d875e288
git-svn-id: https://gambatte.svn.sourceforge.net/svnroot/gambatte@322 9dfb2916-2d38-0410-aef4-c5fe6c9ffc24
53 lines
2.7 KiB
C++
53 lines
2.7 KiB
C++
/***************************************************************************
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* Copyright (C) 2008 by Sindre Aamås *
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* aamas@stud.ntnu.no *
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* *
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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 version 2 as *
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* published by the Free Software Foundation. *
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* *
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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 version 2 for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* version 2 along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifndef RESAMPLER_INFO_H
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#define RESAMPLER_INFO_H
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#include "resampler.h"
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/** Used for creating instances of resamplers, and getting information on available resamplers.
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* Currently creates resamplers that expect stereo samples. All 'numbers of samples' are in
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* number of stereo samples. (This can be changed by adjusting the 'channels' enum in src/chainresampler.h
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* to the number of desired channels.).
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*/
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struct ResamplerInfo {
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/** Short character string description of the resampler. */
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const char *desc;
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/** Points to a function that can be used to create an instance of the resampler.
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* @param inRate The input sampling rate.
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* @param outRate The desired output sampling rate.
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* @param periodSz The maximum number of input samples to resample at a time. That is the maximal inlen passed to Resampler::resample.
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* @return Pointer to the created instance (on the heap). Caller must free this with the delete operator.
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*/
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Resampler* (*create)(long inRate, long outRate, std::size_t periodSz);
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/** Returns the number of ResamplerInfos that can be gotten with get(). */
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static std::size_t num() { return num_; }
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/** Returns ResamplerInfo number n. Where n is less than num(). */
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static const ResamplerInfo& get(std::size_t n) { return resamplers[n]; }
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private:
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static const ResamplerInfo resamplers[];
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static const std::size_t num_;
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};
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#endif
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