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/***
This file is part of snapcast
Copyright (C) 2014-2025 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/>.
***/
#pragma once
// local headers
#include "message.hpp"
namespace msg
{
/**
* Codec dependend header of encoded data stream
*/
class CodecHeader : public BaseMessage
{
public:
/// c'tor taking the @p codec_name and @p site of the payload
explicit CodecHeader(const std::string& codec_name = "", uint32_t size = 0)
: BaseMessage(message_type::kCodecHeader), payloadSize(size), payload(nullptr), codec(codec_name)
{
if (size > 0)
payload = static_cast<char*>(malloc(size * sizeof(char)));
}
/// d'tor
~CodecHeader() override
{
free(payload);
}
void read(std::istream& stream) override
{
readVal(stream, codec);
readVal(stream, &payload, payloadSize);
}
uint32_t getSize() const override
{
return static_cast<uint32_t>(sizeof(uint32_t) + codec.size() + sizeof(uint32_t) + payloadSize);
}
/// payload size
uint32_t payloadSize;
/// the payload
char* payload;
/// name of the codec
std::string codec;
protected:
void doserialize(std::ostream& stream) const override
{
writeVal(stream, codec);
writeVal(stream, payload, payloadSize);
}
};
} // namespace msg
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