mirror of
https://github.com/badaix/snapcast.git
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67 lines
1.8 KiB
C++
67 lines
1.8 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 "encoder.hpp"
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// 3rd party headers
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#include "FLAC/stream_encoder.h"
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// standard headers
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#include <array>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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namespace encoder
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{
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/// Flac encoder
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class FlacEncoder : public Encoder
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{
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public:
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/// c'tor
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explicit FlacEncoder(std::string codecOptions);
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/// d'tor
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~FlacEncoder() override;
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void encode(const msg::PcmChunk& chunk) override;
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std::string getAvailableOptions() const override;
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std::string getDefaultOptions() const override;
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std::string name() const override;
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/// FLAC write callback
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FLAC__StreamEncoderWriteStatus write_callback(const FLAC__StreamEncoder* encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples,
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unsigned current_frame);
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private:
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void initEncoder() override;
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FLAC__StreamEncoder* encoder_;
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std::array<FLAC__StreamMetadata*, 2> metadata_;
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FLAC__int32* pcmBuffer_;
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int pcmBufferSize_;
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size_t encodedSamples_;
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std::shared_ptr<msg::PcmChunk> flacChunk_;
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};
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} // namespace encoder
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