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GB28181: 无法对接平台问题及一些小bug (#2109)

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* 1-新增srs_string_split2函数，该函数支持空串也能按照原有顺序进行切分并放入数组
2-SrsGb28181Device增加属性字段，并在收到catalog命令时能够更新该属性
3-修复sip包解包不严谨bug(body中有可能会有SRS_RTSP_CRLFCRLF那么导致header_body[1]就不一定是body了可能只是body的一部分)

* 1-修复停用rtp多路复用参数（invite_port_fixed）不起作用bug

* bugfix: 当srs发送invite时会指定一个ssrc作为流媒体序列号，但有些平台发流时并不使用这个作为ssrc,而是自己新生成一个。（修复该bug是在invite response时解析内容中的sdp，把对方生成的流媒体序列号ssrc读出来，并且更新srs的channel映射）

* Update push.gb28181.conf

恢复成原来的conf

* bugfix,在取得muxer时需要更新。之前写反了

* Merge branch 'develop' into 4.0release

* 解决冲突时，优先选择原有代码（还原选择develop的代码）

* 解决冲突时，优先选择原有代码（还原选择develop的代码）

* 解决冲突时，优先选择原有代码（还原选择develop的代码）

* 解决冲突时，优先选择原有代码（还原选择develop的代码）

* 修改sdp_map相同属性的连接符

* 解决冲突时，优先选择原有代码（还原选择develop的代码）

* 修改sdp_map相同属性的连接符

* 解决冲突时，优先选择原有代码（还原选择develop的代码）

* 解决冲突时，优先选择原有代码（还原选择develop的代码）

* 回退原来代码

* 删除parse_sdp存储至map相关代码

* 格式恢复

* 格式恢复

* 恢复格式

* srs_string_split() 函数的bugfix

Co-authored-by: xbpeng <xianbin.peng@sibat.cn>
This commit is contained in:
xbpeng121 2021-01-06 15:37:02 +08:00 • committed by GitHub
parent 6cf93557e1
commit 47422b7819
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5 changed files with 45 additions and 62 deletions
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60
trunk/src/app/srs_app_gb28181.cpp
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@ -306,35 +306,7 @@ srs_error_t SrsGb28181PsRtpProcessor::on_rtp_packet(const sockaddr* from, const
if(key != cache_ps_rtp_packet.end())
{
SrsGb28181RtmpMuxer* muxer = NULL;
//First, search according to the channel_id. Otherwise, search according to the SSRC.
//Some channel_id are created by RTP pool, which are different ports.
//No channel_id are created by multiplexing ports, which are the same port
if (!channel_id.empty()){
muxer = _srs_gb28181->fetch_rtmpmuxer(channel_id);
}else {
muxer = _srs_gb28181->fetch_rtmpmuxer_by_ssrc(pkt.ssrc);
}
//auto crate channel
if (!muxer && config->auto_create_channel){
//auto create channel generated id
std::stringstream ss, ss1;
ss << "chid" << pkt.ssrc;
std::string tmp_id = ss.str();
SrsGb28181StreamChannel channel;
channel.set_channel_id(tmp_id);
channel.set_port_mode(RTP_PORT_MODE_FIXED);
channel.set_ssrc(pkt.ssrc);
srs_error_t err2 = srs_success;
if ((err2 = _srs_gb28181->create_stream_channel(&channel)) != srs_success){
srs_warn("gb28181: RtpProcessor create stream channel error %s", srs_error_desc(err2).c_str());
srs_error_reset(err2);
};
muxer = _srs_gb28181->fetch_rtmpmuxer(tmp_id);
}
muxer = fetch_rtmpmuxer(channel_id,pkt.ssrc);
if (muxer){
//TODO: fixme: the same device uses the same SSRC to send with different local ports
@ -360,7 +332,7 @@ srs_error_t SrsGb28181PsRtpProcessor::on_rtp_packet(const sockaddr* from, const
return err;
}
SrsGb28181RtmpMuxer* SrsGb28181PsRtpProcessor::create_rtmpmuxer(std::string channel_id, uint32_t ssrc)
SrsGb28181RtmpMuxer* SrsGb28181PsRtpProcessor::fetch_rtmpmuxer(std::string channel_id, uint32_t ssrc)
{
if(true){
SrsGb28181RtmpMuxer* muxer = NULL;
@ -382,7 +354,13 @@ SrsGb28181RtmpMuxer* SrsGb28181PsRtpProcessor::create_rtmpmuxer(std::string chan
SrsGb28181StreamChannel channel;
channel.set_channel_id(tmp_id);
channel.set_port_mode(RTP_PORT_MODE_FIXED);
// channel.set_port_mode(RTP_PORT_MODE_FIXED);
if (!config->sip_invite_port_fixed) {
channel.set_port_mode(RTP_PORT_MODE_RANDOM);
}else
{
channel.set_port_mode(RTP_PORT_MODE_FIXED);
}
channel.set_ssrc(ssrc);
srs_error_t err2 = srs_success;
@ -471,7 +449,7 @@ srs_error_t SrsGb28181PsRtpProcessor::on_rtp_packet_jitter(const sockaddr* from,
);
}
SrsGb28181RtmpMuxer *muxer = create_rtmpmuxer(channel_id, pkt->ssrc);
SrsGb28181RtmpMuxer *muxer = fetch_rtmpmuxer(channel_id, pkt->ssrc);
if (muxer){
rtmpmuxer_enqueue_data(muxer, pkt->ssrc, peer_port, address_string, pkt);
}
@ -2367,10 +2345,12 @@ void SrsGb28181Manger::update_rtmpmuxer_to_newssrc_by_id(std::string id, uint32_
SrsGb28181RtmpMuxer* muxer = NULL;
if (rtmpmuxers.find(id) == rtmpmuxers.end()) {
srs_warn("gb28181: at update_rtmpmuxer_to_newssrc_by_id() client_id not found. client_id=%s",id.c_str());
return;
}
muxer = rtmpmuxers[id];
SrsGb28181StreamChannel mc = muxer->get_channel();
uint32_t old_ssrc = mc.get_ssrc();
if (old_ssrc == ssrc) {
@ -2459,10 +2439,12 @@ srs_error_t SrsGb28181Manger::start_ps_rtp_listen(std::string id, int port)
return srs_error_wrap(err, "start rtp listen port is mux port");
}
map<std::string, SrsGb28181RtmpMuxer*>::iterator key = rtmpmuxers.find(id);
if (key == rtmpmuxers.end()){
return srs_error_wrap(err, "start rtp listen port rtmp muxer is null");
}
/* delete by xbpeng 20201222 should not check rtmpmuxers, becasue it always not find*/
// map<std::string, SrsGb28181RtmpMuxer*>::iterator key = rtmpmuxers.find(id);
// if (key == rtmpmuxers.end()){
// srs_warn("start rtp listen port rtmp muxer is null. id=%s,port=%d", id.c_str(),port);
// return srs_error_wrap(err, "start rtp listen port rtmp muxer is null");
// }
if (!config->rtp_mux_tcp_enable) {
if (rtp_pool.find(port) == rtp_pool.end())
@ -2703,6 +2685,12 @@ srs_error_t SrsGb28181Manger::notify_sip_invite(std::string id, std::string ip,
//channel not exist
SrsGb28181StreamChannel channel;
channel.set_channel_id(key);
if (!this->config->sip_invite_port_fixed) {
channel.set_port_mode(RTP_PORT_MODE_RANDOM);
}else
{
channel.set_port_mode(RTP_PORT_MODE_FIXED);
}
err = create_stream_channel(&channel);
if (err != srs_success){
return err;