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include/rtc/rtppacketizer.hpp

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+/**
+ * Copyright (c) 2020 Filip Klembara (in2core)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef RTC_RTP_PACKETIZER_H
+#define RTC_RTP_PACKETIZER_H
+
+#if RTC_ENABLE_MEDIA
+
+#include "message.hpp"
+#include "rtppacketizationconfig.hpp"
+
+namespace rtc {
+
+/// Class responsible for RTP packetization
+class RTC_CPP_EXPORT RtpPacketizer {
+	static const auto rtpHeaderSize = 12;
+
+public:
+	// RTP configuration
+	const shared_ptr<RtpPacketizationConfig> rtpConfig;
+
+	/// Constructs packetizer with given RTP configuration.
+	/// @note RTP configuration is used in packetization process which may change some configuration
+	/// properties such as sequence number.
+	/// @param rtpConfig  RTP configuration
+	RtpPacketizer(shared_ptr<RtpPacketizationConfig> rtpConfig);
+
+	/// Creates RTP packet for given payload based on `rtpConfig`.
+	/// @note This function increase sequence number after packetization.
+	/// @param payload RTP payload
+	/// @param setMark Set marker flag in RTP packet if true
+	virtual shared_ptr<binary> packetize(shared_ptr<binary> payload, bool setMark);
+};
+
+} // namespace rtc
+
+#endif /* RTC_ENABLE_MEDIA */
+
+#endif /* RTC_RTP_PACKETIZER_H */