56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
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/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_RTP_RTCP_SOURCE_RTP_UTILITY_H_
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#define MODULES_RTP_RTCP_SOURCE_RTP_UTILITY_H_
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#include <stdint.h>
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#include <algorithm>
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#include "absl/strings/string_view.h"
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#include "api/rtp_headers.h"
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#include "modules/rtp_rtcp/include/rtp_header_extension_map.h"
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#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
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namespace webrtc {
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const uint8_t kRtpMarkerBitMask = 0x80;
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namespace RtpUtility {
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// Round up to the nearest size that is a multiple of 4.
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size_t Word32Align(size_t size);
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class RtpHeaderParser {
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public:
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RtpHeaderParser(const uint8_t* rtpData, size_t rtpDataLength);
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~RtpHeaderParser();
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bool RTCP() const;
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bool ParseRtcp(RTPHeader* header) const;
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bool Parse(RTPHeader* parsedPacket,
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const RtpHeaderExtensionMap* ptrExtensionMap = nullptr,
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bool header_only = false) const;
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private:
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void ParseOneByteExtensionHeader(RTPHeader* parsedPacket,
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const RtpHeaderExtensionMap* ptrExtensionMap,
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const uint8_t* ptrRTPDataExtensionEnd,
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const uint8_t* ptr) const;
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const uint8_t* const _ptrRTPDataBegin;
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const uint8_t* const _ptrRTPDataEnd;
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};
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} // namespace RtpUtility
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} // namespace webrtc
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#endif // MODULES_RTP_RTCP_SOURCE_RTP_UTILITY_H_
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