2013-11-11 22:31:46 +01:00
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/*
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2014-01-13 22:30:36 +01:00
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* Copyright (C) 2003-2014 The Music Player Daemon Project
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2013-11-11 22:31:46 +01:00
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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_PCM_LIBSAMPLERATE_RESAMPLER_HXX
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#define MPD_PCM_LIBSAMPLERATE_RESAMPLER_HXX
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#include "Resampler.hxx"
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#include "PcmBuffer.hxx"
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#include "AudioFormat.hxx"
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#include <samplerate.h>
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/**
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* A resampler using libsamplerate.
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*/
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class LibsampleratePcmResampler final : public PcmResampler {
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unsigned src_rate, dest_rate;
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unsigned channels;
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SRC_STATE *state;
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SRC_DATA data;
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PcmBuffer buffer;
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public:
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virtual AudioFormat Open(AudioFormat &af, unsigned new_sample_rate,
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Error &error) override;
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virtual void Close() override;
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virtual ConstBuffer<void> Resample(ConstBuffer<void> src,
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Error &error) override;
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private:
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ConstBuffer<float> Resample2(ConstBuffer<float> src, Error &error);
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};
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bool
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pcm_resample_lsr_global_init(const char *converter, Error &error);
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#endif
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