mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-27 21:58:33 +08:00
56 lines
2.1 KiB
C++
56 lines
2.1 KiB
C++
/*
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* Copyright (c) 2016-present The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
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*
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* Use of this source code is governed by MIT-like 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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#include "WebRtcEchoTest.h"
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namespace mediakit {
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WebRtcEchoTest::Ptr WebRtcEchoTest::create(const EventPoller::Ptr &poller) {
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WebRtcEchoTest::Ptr ret(new WebRtcEchoTest(poller), [](WebRtcEchoTest *ptr) {
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ptr->onDestory();
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delete ptr;
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});
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ret->onCreate();
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return ret;
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}
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WebRtcEchoTest::WebRtcEchoTest(const EventPoller::Ptr &poller) : WebRtcTransportImp(poller) {}
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void WebRtcEchoTest::onRtcConfigure(RtcConfigure &configure) const {
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WebRtcTransportImp::onRtcConfigure(configure);
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configure.audio.direction = configure.video.direction = RtpDirection::sendrecv;
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configure.audio.extmap.emplace(RtpExtType::sdes_mid, RtpDirection::sendrecv);
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configure.video.extmap.emplace(RtpExtType::sdes_mid, RtpDirection::sendrecv);
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}
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void WebRtcEchoTest::onRtp(const char *buf, size_t len, uint64_t stamp_ms) {
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updateTicker();
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sendRtpPacket(buf, len, true, nullptr);
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}
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void WebRtcEchoTest::onRtcp(const char *buf, size_t len) {
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sendRtcpPacket(buf, len, true, nullptr);
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}
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// 修改mline的a=msid属性，目的是在echo test的情况下，如果offer和answer的msid相同，chrome会忽略远端的track [AUTO-TRANSLATED:f2e3da54]
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// Modify the a=msid attribute of mline, the purpose is that in the echo test case, if the offer and answer have the same msid, chrome will ignore the remote track.
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void WebRtcEchoTest::onCheckSdp(SdpType type, RtcSession &sdp) {
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if (type == SdpType::answer) {
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for (auto &m : sdp.media) {
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for (auto &ssrc : m.rtp_rtx_ssrc) {
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if (!ssrc.msid.empty()) {
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ssrc.msid = "zlmediakit-mslabel zlmediakit-label-" + m.mid;
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}
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}
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}
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}
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}
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}// namespace mediakit
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