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https://github.com/mollyim/webrtc.git
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a7e418cd5f
Add support for reduced size mode. Bug: webrtc:8239 Change-Id: I1d646f0d7848af6632c9204ce5b96ae24cfc0ad3 Reviewed-on: https://webrtc-review.googlesource.com/23681 Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20812}
84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
/*
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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 MODULES_RTP_RTCP_SOURCE_RTCP_TRANSCEIVER_IMPL_H_
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#define MODULES_RTP_RTCP_SOURCE_RTCP_TRANSCEIVER_IMPL_H_
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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#include "api/array_view.h"
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#include "api/optional.h"
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#include "modules/rtp_rtcp/source/rtcp_packet/common_header.h"
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#include "modules/rtp_rtcp/source/rtcp_packet/remb.h"
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#include "modules/rtp_rtcp/source/rtcp_packet/report_block.h"
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#include "modules/rtp_rtcp/source/rtcp_transceiver_config.h"
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#include "rtc_base/constructormagic.h"
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#include "rtc_base/weak_ptr.h"
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#include "system_wrappers/include/ntp_time.h"
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namespace webrtc {
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//
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// Manage incoming and outgoing rtcp messages for multiple BUNDLED streams.
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//
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// This class is not thread-safe.
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class RtcpTransceiverImpl {
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public:
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explicit RtcpTransceiverImpl(const RtcpTransceiverConfig& config);
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~RtcpTransceiverImpl();
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// Handles incoming rtcp packets.
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void ReceivePacket(rtc::ArrayView<const uint8_t> packet, int64_t now_us);
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// Sends RTCP packets starting with a sender or receiver report.
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void SendCompoundPacket();
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// (REMB) Receiver Estimated Max Bitrate.
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// Includes REMB in following compound packets.
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void SetRemb(int bitrate_bps, std::vector<uint32_t> ssrcs);
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// Stops sending REMB in following compound packets.
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void UnsetRemb();
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void RequestKeyFrame(rtc::ArrayView<const uint32_t> ssrcs);
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private:
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class PacketSender;
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struct SenderReportTimes {
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int64_t local_received_time_us;
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NtpTime remote_sent_time;
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};
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void HandleReceivedPacket(const rtcp::CommonHeader& rtcp_packet_header,
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int64_t now_us);
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void ReschedulePeriodicCompoundPackets();
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void SchedulePeriodicCompoundPackets(int64_t delay_ms);
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// Creates compound RTCP packet, as defined in
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// https://tools.ietf.org/html/rfc5506#section-2
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void CreateCompoundPacket(PacketSender* sender);
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// Sends RTCP packets.
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void SendPeriodicCompoundPacket();
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// Generate Report Blocks to be send in Sender or Receiver Report.
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std::vector<rtcp::ReportBlock> CreateReportBlocks();
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const RtcpTransceiverConfig config_;
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rtc::Optional<rtcp::Remb> remb_;
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std::map<uint32_t, SenderReportTimes> last_received_sender_reports_;
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rtc::WeakPtrFactory<RtcpTransceiverImpl> ptr_factory_;
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RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(RtcpTransceiverImpl);
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};
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} // namespace webrtc
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#endif // MODULES_RTP_RTCP_SOURCE_RTCP_TRANSCEIVER_IMPL_H_
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