64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
/*
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* Copyright (C) 2003-2014 The Music Player Daemon Project
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* http://www.musicpd.org
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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 as published by
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* the Free Software Foundation; either version 2 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_GLUE_RESAMPLER_HXX
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#define MPD_GLUE_RESAMPLER_HXX
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#include "check.h"
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#include "AudioFormat.hxx"
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#include "FormatConverter.hxx"
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class Error;
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class PcmResampler;
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template<typename T> struct ConstBuffer;
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/**
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* A glue class that integrates a #PcmResampler and automatically
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* converts source data to the sample format required by the
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* #PcmResampler instance.
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*/
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class GluePcmResampler {
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PcmResampler *const resampler;
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SampleFormat src_sample_format, requested_sample_format;
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SampleFormat output_sample_format;
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/**
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* This object converts input data to the sample format
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* requested by the #PcmResampler.
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*/
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PcmFormatConverter format_converter;
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public:
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GluePcmResampler();
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~GluePcmResampler();
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bool Open(AudioFormat src_format, unsigned new_sample_rate,
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Error &error);
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void Close();
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SampleFormat GetOutputSampleFormat() const {
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return output_sample_format;
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}
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ConstBuffer<void> Resample(ConstBuffer<void> src, Error &error);
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};
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#endif
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