Lowercase all CAPS to prevent case sensitive errors in non-Windows platforms
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60
src/sound/munt/SampleRateConverter_dummy.cpp
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60
src/sound/munt/SampleRateConverter_dummy.cpp
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/* Copyright (C) 2015-2017 Sergey V. Mikayev
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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 Lesser General Public License as published by
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* the Free Software Foundation, either version 2.1 of the License, or
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* (at your option) any later version.
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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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "SampleRateConverter.h"
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#include "Synth.h"
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using namespace MT32Emu;
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static inline void *createDelegate(Synth &synth, double targetSampleRate, SamplerateConversionQuality quality) {
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return 0;
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}
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AnalogOutputMode SampleRateConverter::getBestAnalogOutputMode(double targetSampleRate) {
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return AnalogOutputMode_COARSE;
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}
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SampleRateConverter::SampleRateConverter(Synth &useSynth, double targetSampleRate, SamplerateConversionQuality useQuality) :
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synthInternalToTargetSampleRateRatio(SAMPLE_RATE / targetSampleRate),
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useSynthDelegate(useSynth.getStereoOutputSampleRate() == targetSampleRate),
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srcDelegate(useSynthDelegate ? &useSynth : createDelegate(useSynth, targetSampleRate, useQuality))
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{}
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SampleRateConverter::~SampleRateConverter() {
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}
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void SampleRateConverter::getOutputSamples(float *buffer, unsigned int length) {
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if (useSynthDelegate) {
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static_cast<Synth *>(srcDelegate)->render(buffer, length);
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return;
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}
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}
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void SampleRateConverter::getOutputSamples(Bit16s *outBuffer, unsigned int length) {
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if (useSynthDelegate) {
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static_cast<Synth *>(srcDelegate)->render(outBuffer, length);
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return;
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}
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}
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double SampleRateConverter::convertOutputToSynthTimestamp(double outputTimestamp) const {
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return outputTimestamp * synthInternalToTargetSampleRateRatio;
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}
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double SampleRateConverter::convertSynthToOutputTimestamp(double synthTimestamp) const {
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return synthTimestamp / synthInternalToTargetSampleRateRatio;
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}
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