mpd/src/pcm/SoxrResampler.hxx
2021-01-01 19:54:28 +01:00

52 lines
1.4 KiB
C++

/*
* Copyright 2003-2021 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_PCM_SOXR_RESAMPLER_HXX
#define MPD_PCM_SOXR_RESAMPLER_HXX
#include "Resampler.hxx"
#include "Buffer.hxx"
struct AudioFormat;
struct ConfigBlock;
/**
* A resampler using soxr.
*/
class SoxrPcmResampler final : public PcmResampler {
struct soxr *soxr;
unsigned channels;
float ratio;
PcmBuffer buffer;
public:
AudioFormat Open(AudioFormat &af, unsigned new_sample_rate) override;
void Close() noexcept override;
void Reset() noexcept override;
ConstBuffer<void> Resample(ConstBuffer<void> src) override;
ConstBuffer<void> Flush() override;
};
void
pcm_resample_soxr_global_init(const ConfigBlock &block);
#endif