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