Add MediaSample

Depacketizers will include metadata about assembled media.

CMakeLists.txt

@@ -99,6 +99,7 @@ set(LIBDATACHANNEL_HEADERS
 	${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/common.hpp
 	${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/global.hpp
 	${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/message.hpp
+	${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/mediasample.hpp
 	${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/peerconnection.hpp
 	${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/reliability.hpp
 	${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/rtc.h

include/rtc/mediasample.hpp

@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) 2019-2020 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_FRAMEINFO_H
+#define RTC_FRAMEINFO_H
+
+#if RTC_ENABLE_MEDIA
+
+namespace rtc {
+
+struct RTC_CPP_EXPORT MediaSample : binary {
+	uint32_t timestamp = 0; // RTP Timestamp
+};
+
+} // namespace rtc
+
+#endif // RTC_ENABLE_MEDIA
+#endif // RTC_FRAMEINFO_H

include/rtc/message.hpp

@@ -10,6 +10,7 @@
 #define RTC_MESSAGE_H
 
 #include "common.hpp"
+#include "mediasample.hpp"
 #include "reliability.hpp"
 
 #include <functional>
@@ -32,6 +33,7 @@ struct RTC_CPP_EXPORT Message : binary {
 	unsigned int stream = 0; // Stream id (SCTP stream or SSRC)
 	unsigned int dscp = 0;   // Differentiated Services Code Point
 	shared_ptr<Reliability> reliability;
+	shared_ptr<MediaSample> media_sample;
 };
 
 using message_ptr = shared_ptr<Message>;