mirror of
https://github.com/badaix/snapcast.git
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140 lines
3.5 KiB
C++
140 lines
3.5 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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#include <memory>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "pcmReader.h"
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#include "../encoder/encoderFactory.h"
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#include "common/utils.h"
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#include "common/snapException.h"
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#include "common/log.h"
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using namespace std;
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ReaderUri::ReaderUri(const std::string& uri)
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{
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// https://en.wikipedia.org/wiki/Uniform_Resource_Identifier
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// scheme:[//[user:password@]host[:port]][/]path[?query][#fragment]
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size_t pos;
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this->uri = uri;
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string tmp(uri);
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pos = tmp.find(':');
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if (pos == string::npos)
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throw invalid_argument("missing ':'");
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scheme = tmp.substr(0, pos);
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tmp = tmp.substr(pos + 1);
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// logD << "scheme: '" << scheme << "' tmp: '" << tmp << "'\n";
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if (tmp.find("//") != 0)
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throw invalid_argument("missing host separator: '//'");
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tmp = tmp.substr(2);
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pos = tmp.find('/');
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if (pos == string::npos)
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throw invalid_argument("missing path separator: '/'");
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host = tmp.substr(0, pos);
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tmp = tmp.substr(pos + 1);
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path = tmp;
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// logD << "host: '" << host << "' tmp: '" << tmp << "' path: '" << path << "'\n";
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pos = tmp.find('?');
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if (pos == string::npos)
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return;
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path = tmp.substr(0, pos);
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tmp = tmp.substr(pos + 1);
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string queryStr = tmp;
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// logD << "path: '" << path << "' tmp: '" << tmp << "' query: '" << queryStr << "'\n";
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pos = tmp.find('#');
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if (pos != string::npos)
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{
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queryStr = tmp.substr(0, pos);
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tmp = tmp.substr(pos + 1);
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fragment = tmp;
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// logD << "query: '" << queryStr << "' fragment: '" << fragment << "' tmp: '" << tmp << "'\n";
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}
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vector<string> keyValueList = split(queryStr, '&');
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for (auto& kv: keyValueList)
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{
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pos = kv.find('=');
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if (pos != string::npos)
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query[kv.substr(0, pos)] = kv.substr(pos+1);
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}
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// for (auto& kv: query)
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// logD << "key: '" << kv.first << "' value: '" << kv.second << "'\n";
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}
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PcmReader::PcmReader(PcmListener* pcmListener, const msg::SampleFormat& sampleFormat, const std::string& codec, const std::string& fifoName, size_t pcmReadMs) : pcmListener_(pcmListener), sampleFormat_(sampleFormat), pcmReadMs_(pcmReadMs)
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{
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EncoderFactory encoderFactory;
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encoder_.reset(encoderFactory.createEncoder(codec));
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}
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PcmReader::~PcmReader()
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{
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stop();
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}
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msg::Header* PcmReader::getHeader()
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{
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return encoder_->getHeader();
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}
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void PcmReader::start()
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{
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encoder_->init(this, sampleFormat_);
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active_ = true;
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readerThread_ = thread(&PcmReader::worker, this);
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}
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void PcmReader::stop()
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{
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if (active_)
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{
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active_ = false;
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readerThread_.join();
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}
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}
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void PcmReader::onChunkEncoded(const Encoder* encoder, msg::PcmChunk* chunk, double duration)
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{
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// logO << "onChunkEncoded: " << duration << " us\n";
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if (duration <= 0)
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return;
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chunk->timestamp.sec = tvEncodedChunk_.tv_sec;
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chunk->timestamp.usec = tvEncodedChunk_.tv_usec;
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chronos::addUs(tvEncodedChunk_, duration * 1000);
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pcmListener_->onChunkRead(this, chunk, duration);
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}
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