 0e81fdf5d2
			
		
	
	0e81fdf5d2
	
	
	
		
			
			BUG=chromium:82439 TEST=none R=henrik.lundin@webrtc.org, mflodman@webrtc.org, pthatcher@webrtc.org Review URL: https://webrtc-codereview.appspot.com/40569004 Cr-Commit-Position: refs/heads/master@{#8229} git-svn-id: http://webrtc.googlecode.com/svn/trunk@8229 4adac7df-926f-26a2-2b94-8c16560cd09d
		
			
				
	
	
		
			73 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * libjingle
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|  * Copyright 2011 Google Inc.
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|  *
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions are met:
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|  *
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|  *  1. Redistributions of source code must retain the above copyright notice,
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|  *     this list of conditions and the following disclaimer.
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|  *  2. Redistributions in binary form must reproduce the above copyright notice,
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|  *     this list of conditions and the following disclaimer in the documentation
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|  *     and/or other materials provided with the distribution.
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|  *  3. The name of the author may not be used to endorse or promote products
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|  *     derived from this software without specific prior written permission.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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|  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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|  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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|  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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|  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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|  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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|  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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|  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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|  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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|  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|  */
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| 
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| #ifndef TALK_MEDIA_BASE_RTPUTILS_H_
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| #define TALK_MEDIA_BASE_RTPUTILS_H_
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| 
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| #include "webrtc/base/byteorder.h"
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| 
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| namespace cricket {
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| 
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| const size_t kMinRtpPacketLen = 12;
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| const size_t kMaxRtpPacketLen = 2048;
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| const size_t kMinRtcpPacketLen = 4;
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| 
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| struct RtpHeader {
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|   int payload_type;
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|   int seq_num;
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|   uint32 timestamp;
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|   uint32 ssrc;
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| };
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| 
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| enum RtcpTypes {
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|   kRtcpTypeSR = 200,      // Sender report payload type.
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|   kRtcpTypeRR = 201,      // Receiver report payload type.
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|   kRtcpTypeSDES = 202,    // SDES payload type.
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|   kRtcpTypeBye = 203,     // BYE payload type.
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|   kRtcpTypeApp = 204,     // APP payload type.
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|   kRtcpTypeRTPFB = 205,   // Transport layer Feedback message payload type.
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|   kRtcpTypePSFB = 206,    // Payload-specific Feedback message payload type.
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| };
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| 
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| bool GetRtpPayloadType(const void* data, size_t len, int* value);
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| bool GetRtpSeqNum(const void* data, size_t len, int* value);
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| bool GetRtpTimestamp(const void* data, size_t len, uint32* value);
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| bool GetRtpSsrc(const void* data, size_t len, uint32* value);
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| bool GetRtpHeaderLen(const void* data, size_t len, size_t* value);
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| bool GetRtcpType(const void* data, size_t len, int* value);
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| bool GetRtcpSsrc(const void* data, size_t len, uint32* value);
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| bool GetRtpHeader(const void* data, size_t len, RtpHeader* header);
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| 
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| bool SetRtpSsrc(void* data, size_t len, uint32 value);
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| // Assumes version 2, no padding, no extensions, no csrcs.
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| bool SetRtpHeader(void* data, size_t len, const RtpHeader& header);
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| 
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| bool IsRtpPacket(const void* data, size_t len);
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| }  // namespace cricket
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| 
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| #endif  // TALK_MEDIA_BASE_RTPUTILS_H_
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