73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
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/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef CALL_RTP_STREAM_RECEIVER_CONTROLLER_H_
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#define CALL_RTP_STREAM_RECEIVER_CONTROLLER_H_
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#include <memory>
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#include "call/rtp_demuxer.h"
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#include "call/rtp_stream_receiver_controller_interface.h"
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#include "rtc_base/deprecated/recursive_critical_section.h"
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namespace webrtc {
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class RtpPacketReceived;
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// This class represents the RTP receive parsing and demuxing, for a
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// single RTP session.
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// TODO(nisse): Add RTCP processing, we should aim to terminate RTCP
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// and not leave any RTCP processing to individual receive streams.
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// TODO(nisse): Extract per-packet processing, including parsing and
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// demuxing, into a separate class.
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class RtpStreamReceiverController
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: public RtpStreamReceiverControllerInterface {
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public:
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RtpStreamReceiverController();
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~RtpStreamReceiverController() override;
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// Implements RtpStreamReceiverControllerInterface.
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std::unique_ptr<RtpStreamReceiverInterface> CreateReceiver(
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uint32_t ssrc,
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RtpPacketSinkInterface* sink) override;
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// Thread-safe wrappers for the corresponding RtpDemuxer methods.
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bool AddSink(uint32_t ssrc, RtpPacketSinkInterface* sink) override;
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size_t RemoveSink(const RtpPacketSinkInterface* sink) override;
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// TODO(nisse): Not yet responsible for parsing.
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bool OnRtpPacket(const RtpPacketReceived& packet);
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private:
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class Receiver : public RtpStreamReceiverInterface {
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public:
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Receiver(RtpStreamReceiverController* controller,
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uint32_t ssrc,
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RtpPacketSinkInterface* sink);
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~Receiver() override;
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private:
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RtpStreamReceiverController* const controller_;
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RtpPacketSinkInterface* const sink_;
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};
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// TODO(nisse): Move to a TaskQueue for synchronization. When used
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// by Call, we expect construction and all methods but OnRtpPacket
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// to be called on the same thread, and OnRtpPacket to be called
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// by a single, but possibly distinct, thread. But applications not
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// using Call may have use threads differently.
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rtc::RecursiveCriticalSection lock_;
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RtpDemuxer demuxer_ RTC_GUARDED_BY(&lock_);
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};
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} // namespace webrtc
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#endif // CALL_RTP_STREAM_RECEIVER_CONTROLLER_H_
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