79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
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/*
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* Copyright (c) 2011 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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/*
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* RTP data struct and related functions.
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*/
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#ifndef RTP_H
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#define RTP_H
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#include "typedefs.h"
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#include "codec_db.h"
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typedef struct
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{
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WebRtc_UWord16 seqNumber;
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WebRtc_UWord32 timeStamp;
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WebRtc_UWord32 ssrc;
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int payloadType;
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const WebRtc_Word16 *payload;
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WebRtc_Word16 payloadLen;
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WebRtc_Word16 starts_byte1;
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WebRtc_Word16 rcuPlCntr;
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} RTPPacket_t;
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/****************************************************************************
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* WebRtcNetEQ_RTPPayloadInfo(...)
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*
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* Converts a datagram into an RTP header struct.
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*
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* Input:
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* - Datagram : UDP datagram from the network
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* - DatagramLen : Length in bytes of the datagram
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*
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* Output:
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* - RTPheader : Structure with the datagram info
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*
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* Return value : 0 - Ok
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* -1 - Error
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*/
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int WebRtcNetEQ_RTPPayloadInfo(WebRtc_Word16* pw16_Datagram, int i_DatagramLen,
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RTPPacket_t* RTPheader);
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/****************************************************************************
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* WebRtcNetEQ_RedundancySplit(...)
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*
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* Splits a Redundancy RTP struct into two RTP structs. User has to check
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* that it's really the redundancy payload. No such check is done inside this
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* function.
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*
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* Input:
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* - RTPheader : First header holds the whole RTP packet (with the redundancy payload)
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* - MaximumPayloads:
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* The maximum number of RTP payloads that should be
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* extracted (1+maximum_no_of_Redundancies).
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*
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* Output:
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* - RTPheader : First header holds the main RTP data, while 2..N
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* holds the redundancy data.
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* - No_Of
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*
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* Return value : 0 - Ok
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* -1 - Error
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*/
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int WebRtcNetEQ_RedundancySplit(RTPPacket_t* RTPheader[], int i_MaximumPayloads,
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int *i_No_Of_Payloads);
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#endif
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