mirror of
https://github.com/badaix/snapcast.git
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94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
/***
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This file is part of snapcast
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Copyright (C) 2014-2024 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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#pragma once
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// local headers
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#include "common/time_defs.hpp"
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#include "message.hpp"
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// standard headers
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#include <chrono>
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#include <cstdlib>
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#include <cstring>
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#include <iostream>
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namespace msg
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{
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/**
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* Piece of raw data
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* Has information about "when" captured (timestamp)
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*/
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class WireChunk : public BaseMessage
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{
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public:
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explicit WireChunk(uint32_t size = 0) : BaseMessage(message_type::kWireChunk), payloadSize(size), payload(nullptr)
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{
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if (size > 0)
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payload = static_cast<char*>(malloc(size * sizeof(char)));
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}
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WireChunk(const WireChunk& wireChunk) : BaseMessage(message_type::kWireChunk), timestamp(wireChunk.timestamp), payloadSize(wireChunk.payloadSize)
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{
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payload = static_cast<char*>(malloc(payloadSize));
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memcpy(payload, wireChunk.payload, payloadSize);
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}
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~WireChunk() override
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{
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free(payload);
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}
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void read(std::istream& stream) override
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{
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readVal(stream, timestamp.sec);
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readVal(stream, timestamp.usec);
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readVal(stream, &payload, payloadSize);
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}
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uint32_t getSize() const override
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{
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return sizeof(tv) + sizeof(int32_t) + payloadSize;
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}
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virtual chronos::time_point_clk start() const
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{
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return chronos::time_point_clk(chronos::sec(timestamp.sec) + chronos::usec(timestamp.usec));
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}
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tv timestamp;
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uint32_t payloadSize;
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char* payload;
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template <typename T>
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std::pair<T*, size_t> getPayload() const
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{
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return std::make_pair<T*, size_t>(reinterpret_cast<T*>(payload), payloadSize / sizeof(T));
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}
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protected:
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void doserialize(std::ostream& stream) const override
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{
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writeVal(stream, timestamp.sec);
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writeVal(stream, timestamp.usec);
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writeVal(stream, payload, payloadSize);
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}
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};
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} // namespace msg
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