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完善

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This commit is contained in:
ziyue 2021-04-01 10:35:31 +08:00
parent 868b379a12
commit 83208b0b31
4 changed files with 87 additions and 9 deletions
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44
webrtc/Sdp.cpp
View File

@ -468,6 +468,33 @@ string SdpAttrRtcp::toString() const {
return SdpItem::toString();
}
void SdpAttrIceOption::parse(const string &str){
auto vec = split(str, " ");
for (auto &v : vec) {
if (!strcasecmp(v.data(), "trickle")) {
trickle = true;
continue;
}
if (!strcasecmp(v.data(), "renomination")) {
renomination = true;
continue;
}
}
}
string SdpAttrIceOption::toString() const{
if (value.empty()) {
if (trickle && renomination) {
value = "trickle renomination";
} else if (trickle) {
value = "trickle";
} else if (renomination) {
value = "renomination";
}
}
return value;
}
void SdpAttrFingerprint::parse(const string &str) {
auto vec = split(str, " ");
if (vec.size() != 2) {
@ -751,9 +778,10 @@ void RtcSession::loadFrom(const string &str) {
rtc_media.ice_pwd = media.getStringItem('a', "ice-pwd");
rtc_media.role = media.getItemClass<SdpAttrSetup>('a', "setup").role;
rtc_media.fingerprint = media.getItemClass<SdpAttrFingerprint>('a', "fingerprint");
rtc_media.ice_trickle = media.getItem('a', "ice-trickle").operator bool();
rtc_media.ice_lite = media.getItem('a', "ice-lite").operator bool();
rtc_media.ice_renomination = media.getItem('a', "ice-renomination").operator bool();
auto ice_options = media.getItemClass<SdpAttrIceOption>('a', "ice-options");
rtc_media.ice_trickle = ice_options.trickle;
rtc_media.ice_renomination = ice_options.renomination;
rtc_media.candidate = media.getAllItem<SdpAttrCandidate>('a', "candidate");
if (mline.type == TrackType::TrackApplication) {
@ -922,15 +950,15 @@ string RtcSession::toString() const{
sdp_media.items.emplace_back(wrapSdpAttr(std::make_shared<SdpAttrIcePwd>(m.ice_pwd)));
sdp_media.items.emplace_back(wrapSdpAttr(std::make_shared<SdpAttrFingerprint>(m.fingerprint)));
sdp_media.items.emplace_back(wrapSdpAttr(std::make_shared<SdpAttrSetup>(m.role)));
if (m.ice_trickle) {
sdp_media.items.emplace_back(wrapSdpAttr(std::make_shared<SdpCommon>("ice-trickle")));
if (m.ice_trickle || m.ice_renomination) {
auto attr = std::make_shared<SdpAttrIceOption>();
attr->trickle = m.ice_trickle;
attr->renomination = m.ice_renomination;
sdp_media.items.emplace_back(wrapSdpAttr(attr));
}
if (m.ice_lite) {
sdp_media.items.emplace_back(wrapSdpAttr(std::make_shared<SdpCommon>("ice-lite")));
}
if (m.ice_renomination) {
sdp_media.items.emplace_back(wrapSdpAttr(std::make_shared<SdpCommon>("ice-renomination")));
}
for (auto &ext : m.extmap) {
sdp_media.items.emplace_back(wrapSdpAttr(std::make_shared<SdpAttrExtmap>(ext)));
}
@ -1215,8 +1243,8 @@ shared_ptr<RtcSession> RtcConfigure::createAnswer(const RtcSession &offer){
ret->session_info = "zlmediakit_webrtc_session";
ret->connection.parse("IN IP4 0.0.0.0");
ret->msid_semantic.parse("WMS *");
matchMedia(ret, TrackVideo, offer.media, video);
matchMedia(ret, TrackAudio, offer.media, audio);
matchMedia(ret, TrackVideo, offer.media, video);
matchMedia(ret, TrackApplication, offer.media, application);
return ret;
}

4
webrtc/Sdp.h
View File

@ -282,6 +282,10 @@ public:
class SdpAttrIceOption : public SdpItem {
public:
//a=ice-options:trickle
bool trickle{false};
bool renomination{false};
void parse(const string &str) override;
string toString() const override;
const char* getKey() const override { return "ice-options";}
};

2
webrtc/WebRtcTransport.cpp
View File

@ -78,7 +78,7 @@ string getFingerprint(const string &algorithm_str, const std::shared_ptr<RTC::Dt
}
std::string WebRtcTransport::getAnswerSdp(const string &offer){
InfoL << offer;
// InfoL << offer;
_offer_sdp = std::make_shared<RtcSession>();
_offer_sdp->loadFrom(offer);

46
webrtc/answer.sdp Normal file
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@ -0,0 +1,46 @@
v=0
o=- 0 0 IN IP4 0.0.0.0
s=zlmediakit_webrtc_session
i=zlmediakit_webrtc_session
t=0 0
c=IN IP4 0.0.0.0
a=msid-semantic: WMS *
a=group:BUNDLE 0 1
m=audio 0 UDP/TLS/RTP/SAVPF 111
a=mid:0
c=IN IP4 0.0.0.0
a=ice-ufrag:PdK3
a=ice-pwd:PdK31zZ1sKhPU2ACzP5av37f
a=fingerprint:sha-256 D1:4F:7B:70:86:99:BE:1E:7E:B8:C7:0F:13:BC:78:C4:6A:F9:2C:F6:F3:5E:42:11:0F:1C:74:18:F6:DD:95:75
a=setup:passive
a=ice-options:trickle
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=recvonly
a=rtcp-mux
a=rtpmap:111 opus/48000/2
a=rtcp-fb:111 transport-cc
a=fmtp:111 minptime=10;useinbandfec=1
m=video 0 UDP/TLS/RTP/SAVPF 102 121
a=mid:1
c=IN IP4 0.0.0.0
a=ice-ufrag:PdK3
a=ice-pwd:PdK31zZ1sKhPU2ACzP5av37f
a=fingerprint:sha-256 D1:4F:7B:70:86:99:BE:1E:7E:B8:C7:0F:13:BC:78:C4:6A:F9:2C:F6:F3:5E:42:11:0F:1C:74:18:F6:DD:95:75
a=setup:passive
a=ice-options:trickle
a=extmap:14 urn:ietf:params:rtp-hdrext:toffset
a=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:13 urn:3gpp:video-orientation
a=extmap:3 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
a=extmap:12 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
a=recvonly
a=rtcp-mux
a=rtpmap:102 H264/90000
a=rtcp-fb:102 goog-remb
a=rtcp-fb:102 transport-cc
a=rtcp-fb:102 ccm fir
a=rtcp-fb:102 nack
a=rtcp-fb:102 nack pli
a=fmtp:102 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f
a=rtpmap:121 rtx/90000
a=fmtp:121 apt=102