mirror of
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58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
/***
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This file is part of snapcast
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Copyright (C) 2014-2025 Johannes Pohl
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU 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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#pragma once
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// local headers
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#include "common/message/pcm_chunk.hpp"
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#include "common/sample_format.hpp"
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// 3rd party headers
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#ifdef HAS_SOXR
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#include <soxr.h>
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#endif
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// standard headers
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#include <vector>
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/// Resampler
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class Resampler
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{
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public:
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/// c'tor to resample from @p in_format to @p out_format
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Resampler(const SampleFormat& in_format, const SampleFormat& out_format);
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/// d'tor
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virtual ~Resampler();
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/// @return resampled @p chunk
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std::shared_ptr<msg::PcmChunk> resample(std::shared_ptr<msg::PcmChunk> chunk);
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/// @return resampled @p chunk
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std::shared_ptr<msg::PcmChunk> resample(const msg::PcmChunk& chunk);
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/// @return if resampling is needed (in_format != out_format)
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bool resamplingNeeded() const;
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private:
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std::vector<char> resample_buffer_;
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SampleFormat in_format_;
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SampleFormat out_format_;
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#ifdef HAS_SOXR
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soxr_t soxr_{nullptr};
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#endif
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};
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