/***
    This file is part of snapcast
    Copyright (C) 2014-2016  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/>.
***/

#ifndef OGG_ENCODER_H
#define OGG_ENCODER_H
#include "encoder.h"
#include <vorbis/vorbisenc.h>


class OggEncoder : public Encoder
{
public:
	OggEncoder(const std::string& codecOptions = "");
	virtual void encode(const msg::PcmChunk* chunk);
	virtual std::string getAvailableOptions() const;
	virtual std::string getDefaultOptions() const;
	virtual std::string name() const;

protected:
	virtual void initEncoder();

private:
	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_;
};


#endif