Haxe Lib Datachannel

lib/datachannel/cpp/libdatachannel/include/rtc/av1rtppacketizer.hpp

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