ZLMediaKit/webrtc/WebRtcEchoTest.cpp

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/*
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
*
* Use of this source code is governed by MIT license that can be found in the
* LICENSE file in the root of the source tree. All contributing project authors
* may be found in the AUTHORS file in the root of the source tree.
*/
#include "WebRtcEchoTest.h"
WebRtcEchoTest::Ptr WebRtcEchoTest::create(const EventPoller::Ptr &poller) {
WebRtcEchoTest::Ptr ret(new WebRtcEchoTest(poller), [](WebRtcEchoTest *ptr) {
ptr->onDestory();
delete ptr;
});
ret->onCreate();
return ret;
}
WebRtcEchoTest::WebRtcEchoTest(const EventPoller::Ptr &poller) : WebRtcTransportImp(poller) {}
void WebRtcEchoTest::onRtcConfigure(RtcConfigure &configure) const {
WebRtcTransportImp::onRtcConfigure(configure);
configure.audio.direction = configure.video.direction = RtpDirection::sendrecv;
}
void WebRtcEchoTest::onRtp(const char *buf, size_t len, uint64_t stamp_ms) {
updateTicker();
sendRtpPacket(buf, len, true, nullptr);
}
void WebRtcEchoTest::onRtcp(const char *buf, size_t len) {
sendRtcpPacket(buf, len, true, nullptr);
}
//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
void WebRtcEchoTest::onCheckSdp(SdpType type, RtcSession &sdp) {
if (type == SdpType::answer) {
for (auto &m : sdp.media) {
for (auto &ssrc : m.rtp_rtx_ssrc) {
if (!ssrc.msid.empty()) {
ssrc.msid = "zlmediakit msid";
}
}
}
}
}