Refine RTC publish SDP, remove SSRC because it's recvonly.

pull/1753/head
winlin 5 years ago
parent 780753c0ec
commit 9906d2e859

@ -26,6 +26,7 @@
#include <sstream>
#include <stdlib.h>
#include <signal.h>
#include <unistd.h>
using namespace std;
#include <srs_kernel_log.hpp>
@ -994,7 +995,7 @@ srs_error_t SrsGoApiRtcPlay::exchange_sdp(const std::string& app, const std::str
local_sdp.addrtype_ = "IP4";
local_sdp.unicast_address_ = "0.0.0.0";
local_sdp.session_name_ = "live_play_session";
local_sdp.session_name_ = "SRSPlaySession";
local_sdp.msid_semantic_ = "WMS";
local_sdp.msids_.push_back(app + "/" + stream);
@ -1088,6 +1089,10 @@ srs_error_t SrsGoApiRtcPlay::exchange_sdp(const std::string& app, const std::str
local_media_desc.rtcp_mux_ = true;
local_media_desc.rtcp_rsize_ = true;
if (!ssrc_num) {
ssrc_num = ::getpid() * 10000 + ::getpid() * 100 + ::getpid();
}
if (local_media_desc.sendonly_ || local_media_desc.sendrecv_) {
SrsSSRCInfo ssrc_info;
ssrc_info.ssrc_ = ++ssrc_num;
@ -1298,7 +1303,7 @@ srs_error_t SrsGoApiRtcPublish::exchange_sdp(const std::string& app, const std::
local_sdp.addrtype_ = "IP4";
local_sdp.unicast_address_ = "0.0.0.0";
local_sdp.session_name_ = "live_publish_session";
local_sdp.session_name_ = "SRSPublishSession";
local_sdp.msid_semantic_ = "WMS";
local_sdp.msids_.push_back(app + "/" + stream);
@ -1386,22 +1391,12 @@ srs_error_t SrsGoApiRtcPublish::exchange_sdp(const std::string& app, const std::
local_sdp.media_descs_.back().session_info_.ice_options_ = "trickle";
if (remote_media_desc.sendonly_) {
local_media_desc.recvonly_ = true;
} else if (remote_media_desc.recvonly_) {
local_media_desc.sendonly_ = true;
} else if (remote_media_desc.sendrecv_) {
local_media_desc.sendrecv_ = true;
}
local_media_desc.rtcp_mux_ = true;
if (local_media_desc.recvonly_ || local_media_desc.sendrecv_) {
SrsSSRCInfo ssrc_info;
ssrc_info.ssrc_ = ++ssrc_num;
ssrc_info.cname_ = "test_sdp_cname";
local_media_desc.ssrc_infos_.push_back(ssrc_info);
}
// For publisher, we are always sendonly.
local_media_desc.sendonly_ = false;
local_media_desc.recvonly_ = true;
local_media_desc.sendrecv_ = false;
}
return err;

@ -749,6 +749,7 @@ srs_error_t SrsRtcSenderThread::cycle()
::getpid(), source->source_id(), rtc_session->encrypt, realtime, srsu2msi(mw_sleep), mw_msgs);
// For RTC, notify the source to fetch keyframe for this client.
// TODO: FIXME: Should triggle by PLI from client.
source->request_keyframe();
SrsMessageArray msgs(SRS_PERF_MW_MSGS);
@ -2240,7 +2241,7 @@ srs_error_t SrsRtcPublisher::notify(int type, srs_utime_t interval, srs_utime_t
return err;
}
SrsRtcSession::SrsRtcSession(SrsRtcServer* s, SrsRequest* r, const std::string& un, int context_id)
SrsRtcSession::SrsRtcSession(SrsRtcServer* s, SrsRequest* r, bool is_publisher, const std::string& un, int context_id)
{
username = un;
req = r->copy();
@ -2250,6 +2251,7 @@ SrsRtcSession::SrsRtcSession(SrsRtcServer* s, SrsRequest* r, const std::string&
source = NULL;
publisher = NULL;
sender = NULL;
is_publisher_ = is_publisher;
sendonly_skt = NULL;
rtc_server = s;
dtls_session = new SrsDtlsSession(this);
@ -2522,17 +2524,14 @@ srs_error_t SrsRtcSession::on_connection_established()
{
srs_error_t err = srs_success;
srs_trace("rtc session=%s, to=%dms connection established", id().c_str(), srsu2msi(sessionStunTimeout));
srs_trace("RTC %s session=%s, to=%dms connection established", (is_publisher_? "Publisher":"Subscriber"),
id().c_str(), srsu2msi(sessionStunTimeout));
if (!local_sdp.media_descs_.empty() &&
(local_sdp.media_descs_.back().recvonly_ || local_sdp.media_descs_.back().sendrecv_)) {
if (is_publisher_) {
if ((err = start_publish()) != srs_success) {
return srs_error_wrap(err, "start publish");
}
}
if (!local_sdp.media_descs_.empty() &&
(local_sdp.media_descs_.back().sendonly_ || local_sdp.media_descs_.back().sendrecv_)) {
} else {
if ((err = start_play()) != srs_success) {
return srs_error_wrap(err, "start play");
}
@ -2580,7 +2579,6 @@ srs_error_t SrsRtcSession::start_publish()
srs_freep(publisher);
publisher = new SrsRtcPublisher(this);
publisher->request_keyframe();
uint32_t video_ssrc = 0;
uint32_t audio_ssrc = 0;
@ -3361,7 +3359,7 @@ srs_error_t SrsRtcServer::create_rtc_session(
}
int cid = _srs_context->get_id();
SrsRtcSession* session = new SrsRtcSession(this, req, username, cid);
SrsRtcSession* session = new SrsRtcSession(this, req, publish, username, cid);
if ((err = session->initialize()) != srs_success) {
srs_freep(session);
return srs_error_wrap(err, "init");

@ -311,6 +311,7 @@ private:
SrsDtlsSession* dtls_session;
SrsRtcSenderThread* sender;
SrsRtcPublisher* publisher;
bool is_publisher_;
private:
SrsUdpMuxSocket* sendonly_skt;
std::string username;
@ -336,7 +337,7 @@ private:
sockaddr_in* blackhole_addr;
srs_netfd_t blackhole_stfd;
public:
SrsRtcSession(SrsRtcServer* s, SrsRequest* r, const std::string& un, int context_id);
SrsRtcSession(SrsRtcServer* s, SrsRequest* r, bool is_publisher, const std::string& un, int context_id);
virtual ~SrsRtcSession();
public:
SrsSdp* get_local_sdp();

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