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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <stdint.h>
#include <chrono>
#include <memory>
#include <vector>
#include <https/RunLoop.h>
#include <source/StreamingSource.h>
struct RTPSender;
struct Packetizer : public std::enable_shared_from_this<Packetizer> {
using StreamingSource = android::StreamingSource;
explicit Packetizer(std::shared_ptr<RunLoop> runLoop,
std::shared_ptr<StreamingSource> source);
virtual ~Packetizer();
virtual void run();
virtual uint32_t rtpNow() const = 0;
int32_t requestIDRFrame();
virtual void queueRTPDatagram(std::vector<uint8_t> *packet);
virtual void addSender(std::shared_ptr<RTPSender> sender);
virtual void onFrame(const std::shared_ptr<android::SBuffer>& accessUnit);
protected:
virtual void packetize(const std::shared_ptr<android::SBuffer>& accessUnit,
int64_t timeUs) = 0;
uint32_t timeSinceStart() const;
int64_t mediaStartTime() const { return mStartTimeMedia; }
private:
size_t mNumSamplesRead;
std::chrono::time_point<std::chrono::steady_clock> mStartTimeReal;
int64_t mStartTimeMedia;
std::shared_ptr<RunLoop> mRunLoop;
std::shared_ptr<StreamingSource> mStreamingSource;
std::vector<std::weak_ptr<RTPSender>> mSenders;
};
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