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Diffstat (limited to '')
| -rw-r--r-- | src/pcm/LibsamplerateResampler.hxx | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/pcm/LibsamplerateResampler.hxx b/src/pcm/LibsamplerateResampler.hxx new file mode 100644 index 000000000..86d74d95a --- /dev/null +++ b/src/pcm/LibsamplerateResampler.hxx @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2003-2014 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_LIBSAMPLERATE_RESAMPLER_HXX +#define MPD_PCM_LIBSAMPLERATE_RESAMPLER_HXX + +#include "Resampler.hxx" +#include "PcmBuffer.hxx" +#include "AudioFormat.hxx" + +#include <samplerate.h> + +/** + * A resampler using libsamplerate. + */ +class LibsampleratePcmResampler final : public PcmResampler { + unsigned src_rate, dest_rate; + unsigned channels; + + SRC_STATE *state; + SRC_DATA data; + + PcmBuffer buffer; + +public: + virtual AudioFormat Open(AudioFormat &af, unsigned new_sample_rate, + Error &error) override; + virtual void Close() override; + virtual ConstBuffer<void> Resample(ConstBuffer<void> src, + Error &error) override; + +private: + ConstBuffer<float> Resample2(ConstBuffer<float> src, Error &error); +}; + +bool +pcm_resample_lsr_global_init(const char *converter, Error &error); + +#endif |