e488a87753
There's only one implementation. Bug: none Change-Id: I204c23e7f87102909fcf6ee8632ceeed84e901a1 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/271026 Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org> Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Cr-Commit-Position: refs/heads/main@{#37725}
76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
/*
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* Copyright (c) 2012 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_ULPFEC_RECEIVER_H_
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#define MODULES_RTP_RTCP_SOURCE_ULPFEC_RECEIVER_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <memory>
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#include <vector>
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#include "api/sequence_checker.h"
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#include "modules/rtp_rtcp/include/rtp_header_extension_map.h"
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#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
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#include "modules/rtp_rtcp/source/forward_error_correction.h"
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#include "modules/rtp_rtcp/source/rtp_packet_received.h"
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#include "rtc_base/system/no_unique_address.h"
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namespace webrtc {
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struct FecPacketCounter {
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FecPacketCounter() = default;
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size_t num_packets = 0; // Number of received packets.
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size_t num_bytes = 0;
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size_t num_fec_packets = 0; // Number of received FEC packets.
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size_t num_recovered_packets =
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0; // Number of recovered media packets using FEC.
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int64_t first_packet_time_ms = -1; // Time when first packet is received.
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};
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class UlpfecReceiver {
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public:
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UlpfecReceiver(uint32_t ssrc,
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RecoveredPacketReceiver* callback,
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rtc::ArrayView<const RtpExtension> extensions);
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~UlpfecReceiver();
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bool AddReceivedRedPacket(const RtpPacketReceived& rtp_packet,
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uint8_t ulpfec_payload_type);
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void ProcessReceivedFec();
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FecPacketCounter GetPacketCounter() const;
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void SetRtpExtensions(rtc::ArrayView<const RtpExtension> extensions);
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private:
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const uint32_t ssrc_;
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RtpHeaderExtensionMap extensions_ RTC_GUARDED_BY(&sequence_checker_);
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RTC_NO_UNIQUE_ADDRESS SequenceChecker sequence_checker_;
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RecoveredPacketReceiver* const recovered_packet_callback_;
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const std::unique_ptr<ForwardErrorCorrection> fec_;
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// TODO(nisse): The AddReceivedRedPacket method adds one or two packets to
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// this list at a time, after which it is emptied by ProcessReceivedFec. It
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// will make things simpler to merge AddReceivedRedPacket and
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// ProcessReceivedFec into a single method, and we can then delete this list.
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std::vector<std::unique_ptr<ForwardErrorCorrection::ReceivedPacket>>
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received_packets_ RTC_GUARDED_BY(&sequence_checker_);
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ForwardErrorCorrection::RecoveredPacketList recovered_packets_
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RTC_GUARDED_BY(&sequence_checker_);
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FecPacketCounter packet_counter_ RTC_GUARDED_BY(&sequence_checker_);
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};
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} // namespace webrtc
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#endif // MODULES_RTP_RTCP_SOURCE_ULPFEC_RECEIVER_H_
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