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NANOKVM-MaixCDK-MIRROR/components/3rd_party/datachannel/include/rtc/pacinghandler.hpp
2025-12-19 10:22:31 +08:00

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1.2 KiB
C++

/**
* Copyright (c) 2024 Sean DuBois <sean@siobud.com>
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#ifndef RTC_PACING_HANDLER_H
#define RTC_PACING_HANDLER_H
#if RTC_ENABLE_MEDIA
#include "mediahandler.hpp"
#include "utils.hpp"
#include <atomic>
#include <queue>
namespace rtc {
// Paced sending of RTP packets. It takes a stream of RTP packets that can have an uneven bitrate
// and delivers them in a smoother manner by sending a fixed size of them on an interval
class RTC_CPP_EXPORT PacingHandler : public MediaHandler {
public:
PacingHandler(double bitsPerSecond, std::chrono::milliseconds sendInterval);
void outgoing(message_vector &messages, const message_callback &send) override;
private:
std::atomic<bool> mHaveScheduled = false;
double mBytesPerSecond;
double mBudget;
std::chrono::milliseconds mSendInterval;
std::chrono::time_point<std::chrono::high_resolution_clock> mLastRun;
std::mutex mMutex;
std::queue<message_ptr> mRtpBuffer;
void schedule(const message_callback &send);
};
} // namespace rtc
#endif // RTC_ENABLE_MEDIA
#endif // RTC_PACING_HANDLER_H