49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
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*
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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#if defined(ENABLE_RTPPROXY)
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#include "RtpSplitter.h"
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namespace mediakit{
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RtpSplitter::RtpSplitter() {}
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RtpSplitter::~RtpSplitter() {}
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const char *RtpSplitter::onSearchPacketTail(const char *data, int len) {
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if (data[0] == '$') {
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//可能是4个字节的rtp头
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return onSearchPacketTail_l(data + 2, len - 2);
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}
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//两个字节的rtp头
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return onSearchPacketTail_l(data, len);
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}
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const char *RtpSplitter::onSearchPacketTail_l(const char *data, int len) {
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//这是rtp包
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if (len < 2) {
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//数据不够
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return nullptr;
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}
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uint16_t length = (((uint8_t *) data)[0] << 8) | ((uint8_t *) data)[1];
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if (len < length + 2) {
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//数据不够
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return nullptr;
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}
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//返回rtp包末尾
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return data + 2 + length;
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}
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int64_t RtpSplitter::onRecvHeader(const char *data, uint64_t len) {
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onRtpPacket(data,len);
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return 0;
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}
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}//namespace mediakit
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#endif//defined(ENABLE_RTPPROXY)
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