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#pragma once
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
// tcd - a hybrid transcoder using DVSI hardware and Codec2 software
// Copyright © 2021 Thomas A. Early N7TAE
//
// 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 <https://www.gnu.org/licenses/>.
#include <queue>
#include <mutex>
#include <condition_variable>
#include <memory>
#include "TranscoderPacket.h"
// for holding CTranscoder packets while the vocoders are working their magic
// thread safe
class CPacketQueue
{
public:
// blocks until there's something to pop
std::shared_ptr<CTranscoderPacket> pop()
{
std::unique_lock<std::mutex> lock(m);
while (q.empty()) {
c.wait(lock);
}
auto pack = q.front();
q.pop();
return pack;
}
void push(std::shared_ptr<CTranscoderPacket> packet)
{
std::lock_guard<std::mutex> lock(m);
q.push(packet);
c.notify_one();
}
private:
std::queue<std::shared_ptr<CTranscoderPacket>> q;
mutable std::mutex m;
std::condition_variable c;
};

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