mirror of
https://github.com/badaix/snapcast.git
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93 lines
1.9 KiB
C++
93 lines
1.9 KiB
C++
/***
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This file is part of snapcast
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Copyright (C) 2015 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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#ifndef ENCODER_H
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#define ENCODER_H
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#include <string>
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#include <memory>
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#include "message/pcmChunk.h"
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#include "message/header.h"
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#include "message/sampleFormat.h"
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class Encoder;
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class EncoderListener
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{
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public:
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virtual void onChunkEncoded(const Encoder* encoder, msg::PcmChunk* chunk, double duration) = 0;
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};
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class Encoder
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{
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public:
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Encoder(const std::string& codecOptions = "") : headerChunk_(NULL), codecOptions_(codecOptions)
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{
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}
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virtual ~Encoder()
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{
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if (headerChunk_ != NULL)
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delete headerChunk_;
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}
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virtual void init(EncoderListener* listener, const msg::SampleFormat& format)
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{
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if (codecOptions_ == "")
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codecOptions_ = getDefaultOptions();
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listener_ = listener;
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sampleFormat_ = format;
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initEncoder();
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}
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virtual void encode(const msg::PcmChunk* chunk) = 0;
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virtual std::string name() const = 0;
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virtual std::string getAvailableOptions() const
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{
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return "No codec options supported";
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}
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virtual std::string getDefaultOptions() const
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{
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return "";
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}
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virtual msg::Header* getHeader() const
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{
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return headerChunk_;
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}
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protected:
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virtual void initEncoder() = 0;
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msg::SampleFormat sampleFormat_;
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msg::Header* headerChunk_;
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EncoderListener* listener_;
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std::string codecOptions_;
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};
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#endif
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