blob: 51732dfeb5b2afcfeda94dd155868d372d2b81bd [file] [log] [blame]
/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef MODULES_RTP_RTCP_SOURCE_RTP_UTILITY_H_
#define MODULES_RTP_RTCP_SOURCE_RTP_UTILITY_H_
#include <cstring>
#include <map>
#include "modules/rtp_rtcp/include/receive_statistics.h"
#include "modules/rtp_rtcp/include/rtp_header_extension_map.h"
#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
#include "modules/rtp_rtcp/source/rtp_rtcp_config.h"
#include "rtc_base/deprecation.h"
#include "typedefs.h" // NOLINT(build/include)
namespace webrtc {
const uint8_t kRtpMarkerBitMask = 0x80;
namespace RtpUtility {
struct Payload {
Payload(const char* name, const PayloadUnion& pu) : typeSpecific(pu) {
std::strncpy(this->name, name, sizeof(this->name) - 1);
this->name[sizeof(this->name) - 1] = '\0';
}
char name[RTP_PAYLOAD_NAME_SIZE];
PayloadUnion typeSpecific;
};
bool StringCompare(const char* str1, const char* str2, const uint32_t length);
// Round up to the nearest size that is a multiple of 4.
size_t Word32Align(size_t size);
class RtpHeaderParser {
public:
RtpHeaderParser(const uint8_t* rtpData, size_t rtpDataLength);
~RtpHeaderParser();
bool RTCP() const;
bool ParseRtcp(RTPHeader* header) const;
bool Parse(RTPHeader* parsedPacket,
const RtpHeaderExtensionMap* ptrExtensionMap = nullptr) const;
private:
void ParseOneByteExtensionHeader(RTPHeader* parsedPacket,
const RtpHeaderExtensionMap* ptrExtensionMap,
const uint8_t* ptrRTPDataExtensionEnd,
const uint8_t* ptr) const;
const uint8_t* const _ptrRTPDataBegin;
const uint8_t* const _ptrRTPDataEnd;
};
} // namespace RtpUtility
} // namespace webrtc
#endif // MODULES_RTP_RTCP_SOURCE_RTP_UTILITY_H_