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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_PROTOCOL_RTP_UTILS_H_
#define REMOTING_PROTOCOL_RTP_UTILS_H_
#include "base/basictypes.h"
namespace remoting {
struct RtpHeader {
// RTP version is always set to 2.
// version = 2
bool padding;
bool extension;
uint8 sources;
bool marker;
uint8 payload_type;
uint16 sequence_number;
uint32 timestamp;
uint32 sync_source_id;
uint32 source_id[15];
};
// Returns size of RTP header for the specified number of sources.
int GetRtpHeaderSize(int sources);
// Packs RTP header into the buffer.
void PackRtpHeader(uint8* buffer, int buffer_size,
const RtpHeader& header);
// Unpacks RTP header and stores unpacked values in |header|. If the header
// is not valid returns -1, otherwise returns size of the header.
int UnpackRtpHeader(const uint8* buffer, int buffer_size,
RtpHeader* header);
} // namespace remoting
#endif // REMOTING_PROTOCOL_RTP_UTILS_H_
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