mirror of
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106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
/***
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This file is part of snapcast
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Copyright (C) 2014-2016 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 PCM_READER_H
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#define PCM_READER_H
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#include <thread>
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#include <atomic>
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#include <string>
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#include <map>
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#include "../encoder/encoder.h"
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#include "message/sampleFormat.h"
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#include "message/header.h"
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class PcmReader;
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/// Callback interface for users of PcmReader
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/**
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* Users of PcmReader should implement this to get the data
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*/
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class PcmListener
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{
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public:
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virtual void onChunkRead(const PcmReader* pcmReader, const msg::PcmChunk* chunk, double duration) = 0;
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virtual void onResync(const PcmReader* pcmReader, double ms) = 0;
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};
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struct ReaderUri
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{
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ReaderUri(const std::string& uri);
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std::string uri;
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std::string scheme;
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/* struct Authority
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{
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std::string username;
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std::string password;
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std::string host;
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size_t port;
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};
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Authority authority;
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*/
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std::string host;
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std::string path;
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std::map<std::string, std::string> query;
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std::string fragment;
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};
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/// Reads and decodes PCM data
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/**
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* Reads PCM and passes the data to an encoder.
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* Implements EncoderListener to get the encoded data.
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* Data is passed to the PcmListener
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*/
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class PcmReader : public EncoderListener
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{
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public:
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/// ctor. Encoded PCM data is passed to the PcmListener
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PcmReader(PcmListener* pcmListener, const ReaderUri& uri);
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virtual ~PcmReader();
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virtual void start();
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virtual void stop();
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/// Implementation of EncoderListener::onChunkEncoded
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virtual void onChunkEncoded(const Encoder* encoder, msg::PcmChunk* chunk, double duration);
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virtual msg::Header* getHeader();
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virtual const ReaderUri& getUri() const;
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virtual const std::string& getName() const;
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virtual const SampleFormat& getSampleFormat() const;
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protected:
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virtual void worker() = 0;
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int fd_;
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timeval tvEncodedChunk_;
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std::atomic<bool> active_;
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std::thread readerThread_;
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PcmListener* pcmListener_;
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ReaderUri uri_;
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SampleFormat sampleFormat_;
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size_t pcmReadMs_;
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std::unique_ptr<Encoder> encoder_;
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std::string name_;
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};
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#endif
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