1 /* 2 * Copyright (c) 2018 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 #ifndef MODULES_RTP_RTCP_SOURCE_RTP_HEADER_EXTENSION_SIZE_H_ 11 #define MODULES_RTP_RTCP_SOURCE_RTP_HEADER_EXTENSION_SIZE_H_ 12 13 #include "api/array_view.h" 14 #include "modules/rtp_rtcp/include/rtp_header_extension_map.h" 15 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h" 16 17 namespace webrtc { 18 19 struct RtpExtensionSize { 20 RTPExtensionType type; 21 int value_size; 22 }; 23 24 // Calculates rtp header extension size in bytes assuming packet contain 25 // all `extensions` with provided `value_size`. 26 // Counts only extensions present among `registered_extensions`. 27 int RtpHeaderExtensionSize(rtc::ArrayView<const RtpExtensionSize> extensions, 28 const RtpHeaderExtensionMap& registered_extensions); 29 30 } // namespace webrtc 31 32 #endif // MODULES_RTP_RTCP_SOURCE_RTP_HEADER_EXTENSION_SIZE_H_ 33