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/***
This file is part of snapcast
Copyright (C) 2014-2025 Johannes Pohl
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 3 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, see <http://www.gnu.org/licenses/>.
***/
#pragma once
// local headers
#include "encoder.hpp"
// 3rd party headers
#include <ogg/ogg.h>
#include <vorbis/vorbisenc.h>
namespace encoder
{
/// Ogg encoder
class OggEncoder : public Encoder
{
public:
/// c'tor
explicit OggEncoder(std::string codecOptions);
/// d'tor
~OggEncoder() override;
void encode(const msg::PcmChunk& chunk) override;
std::string getAvailableOptions() const override;
std::string getDefaultOptions() const override;
std::string name() const override;
private:
void initEncoder() override;
ogg_stream_state os_; ///< take physical pages, weld into a logical stream of packets
ogg_page og_; ///< one Ogg bitstream page. Vorbis packets are inside
ogg_packet op_; ///< one raw packet of data for decode
vorbis_info vi_; ///< struct that stores all the static vorbis bitstream settings
vorbis_comment vc_; ///< struct that stores all the user comments
vorbis_dsp_state vd_; ///< central working state for the packet->PCM decoder
vorbis_block vb_; ///< local working space for packet->PCM decode
ogg_int64_t lastGranulepos_;
};
} // namespace encoder
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