external/srs
1
0
Fork 0
mirror of https://github.com/ossrs/srs.git synced 2025-03-09 15:49:59 +00:00
Code Issues Releases Wiki Activity

Refine HTTP-FLV latency, support realtime mode.3.0.38

Browse source
This commit is contained in:
winlin 2018-08-05 20:30:04 +08:00
parent 03ac48f8fa
commit d607c7f905
7 changed files with 121 additions and 65 deletions
Download patch file Download diff file Expand all files Collapse all files

64
trunk/src/app/srs_app_rtmp_conn.cpp
View file

@ -1136,48 +1136,7 @@ void SrsRtmpConn::change_mw_sleep(int sleep_ms)
return;
}
// get the sock buffer size.
int fd = srs_netfd_fileno(stfd);
int onb_sbuf = 0;
socklen_t sock_buf_size = sizeof(int);
getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &onb_sbuf, &sock_buf_size);
#ifdef SRS_PERF_MW_SO_SNDBUF
// the bytes:
// 4KB=4096, 8KB=8192, 16KB=16384, 32KB=32768, 64KB=65536,
// 128KB=131072, 256KB=262144, 512KB=524288
// the buffer should set to sleep*kbps/8,
// for example, your system delivery stream in 1000kbps,
// sleep 800ms for small bytes, the buffer should set to:
// 800*1000/8=100000B(about 128KB).
// other examples:
// 2000*3000/8=750000B(about 732KB).
// 2000*5000/8=1250000B(about 1220KB).
int kbps = 5000;
int socket_buffer_size = sleep_ms * kbps / 8;
// socket send buffer, system will double it.
int nb_sbuf = socket_buffer_size / 2;
// override the send buffer by macro.
#ifdef SRS_PERF_SO_SNDBUF_SIZE
nb_sbuf = SRS_PERF_SO_SNDBUF_SIZE / 2;
#endif
// set the socket send buffer when required larger buffer
if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &nb_sbuf, sock_buf_size) < 0) {
srs_warn("set sock SO_SENDBUF=%d failed.", nb_sbuf);
}
getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &nb_sbuf, &sock_buf_size);
srs_trace("mw changed sleep %d=>%d, max_msgs=%d, esbuf=%d, sbuf %d=>%d, realtime=%d",
mw_sleep, sleep_ms, SRS_PERF_MW_MSGS, socket_buffer_size,
onb_sbuf, nb_sbuf, realtime);
#else
srs_trace("mw changed sleep %d=>%d, max_msgs=%d, sbuf %d, realtime=%d",
mw_sleep, sleep_ms, SRS_PERF_MW_MSGS, onb_sbuf, realtime);
#endif
set_socket_buffer(sleep_ms);
mw_sleep = sleep_ms;
}
@ -1188,25 +1147,12 @@ void SrsRtmpConn::set_sock_options()
bool nvalue = _srs_config->get_tcp_nodelay(req->vhost);
if (nvalue != tcp_nodelay) {
tcp_nodelay = nvalue;
#ifdef SRS_PERF_TCP_NODELAY
int fd = srs_netfd_fileno(stfd);
socklen_t nb_v = sizeof(int);
int ov = 0;
getsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &ov, &nb_v);
int v = tcp_nodelay;
// set the socket send buffer when required larger buffer
if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &v, nb_v) < 0) {
srs_warn("set sock TCP_NODELAY=%d failed.", v);
srs_error_t err = set_tcp_nodelay(tcp_nodelay);
if (err != srs_success) {
srs_warn("ignore err %s", srs_error_desc(err).c_str());
srs_freep(err);
}
getsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &v, &nb_v);
srs_trace("set TCP_NODELAY %d=>%d", ov, v);
#else
srs_warn("SRS_PERF_TCP_NODELAY is disabled but tcp_nodelay configed.");
#endif
}
}