58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
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/**
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* Copyright (c) 2023 Paul-Louis Ageneau
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#ifndef RTC_AV1_RTP_PACKETIZER_H
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#define RTC_AV1_RTP_PACKETIZER_H
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#if RTC_ENABLE_MEDIA
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#include "mediahandler.hpp"
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#include "nalunit.hpp"
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#include "rtppacketizer.hpp"
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namespace rtc {
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// RTP packetization of AV1 payload
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class RTC_CPP_EXPORT AV1RtpPacketizer final : public RtpPacketizer {
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public:
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inline static const uint32_t ClockRate = VideoClockRate;
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[[deprecated("Use ClockRate")]] inline static const uint32_t defaultClockRate = ClockRate;
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// Define how OBUs are seperated in a AV1 Sample
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enum class Packetization {
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Obu = RTC_OBU_PACKETIZED_OBU,
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TemporalUnit = RTC_OBU_PACKETIZED_TEMPORAL_UNIT,
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};
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// Constructs AV1 payload packetizer with given RTP configuration.
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// @note RTP configuration is used in packetization process which may change some configuration
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// properties such as sequence number.
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AV1RtpPacketizer(Packetization packetization, shared_ptr<RtpPacketizationConfig> rtpConfig,
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size_t maxFragmentSize = DefaultMaxFragmentSize);
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private:
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static std::vector<binary> extractTemporalUnitObus(const binary &data);
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std::vector<binary> fragment(binary data) override;
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std::vector<binary> fragmentObu(const binary &data);
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const Packetization mPacketization;
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const size_t mMaxFragmentSize;
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std::unique_ptr<binary> mSequenceHeader;
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};
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// For backward compatibility, do not use
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using AV1PacketizationHandler [[deprecated("Add AV1RtpPacketizer directly")]] = PacketizationHandler;
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} // namespace rtc
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#endif /* RTC_ENABLE_MEDIA */
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#endif /* RTC_AV1_RTP_PACKETIZER_H */
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