obs-outputs: Add connect time callback for rtmp output

plugins/obs-outputs/librtmp/rtmp.c

@@ -32,6 +32,8 @@
 #include "rtmp_sys.h"
 #include "log.h"
 
+#include <util/platform.h>
+
 #ifdef CRYPTO
 
 #ifdef __APPLE__
@@ -773,6 +775,8 @@ RTMP_Connect0(RTMP *r, struct sockaddr * service, socklen_t addrlen)
             }
         }
 
+        uint64_t connect_start = os_gettime_ns();
+
         if (connect(r->m_sb.sb_socket, service, addrlen) < 0)
         {
             int err = GetSockError();
@@ -789,6 +793,8 @@ RTMP_Connect0(RTMP *r, struct sockaddr * service, socklen_t addrlen)
             return FALSE;
         }
 
+        r->connect_time_ms = (int)((os_gettime_ns() - connect_start) / 1000000);
+
         if (r->Link.socksport)
         {
             RTMP_Log(RTMP_LOGDEBUG, "%s ... SOCKS negotiation", __FUNCTION__);

plugins/obs-outputs/librtmp/rtmp.h

@@ -324,6 +324,7 @@ extern "C"
         RTMPPacket m_write;
         RTMPSockBuf m_sb;
         RTMP_LNK Link;
+        int connect_time_ms;
     } RTMP;
 
     int RTMP_ParseURL(const char *url, int *protocol, AVal *host,

plugins/obs-outputs/rtmp-stream.c

@@ -1090,6 +1090,12 @@ static float rtmp_stream_congestion(void *data)
 		return stream->min_priority > 0 ? 1.0f : stream->congestion;
 }
 
+static int rtmp_stream_connect_time(void *data)
+{
+	struct rtmp_stream *stream = data;
+	return stream->rtmp.connect_time_ms;
+}
+
 struct obs_output_info rtmp_output_info = {
 	.id                 = "rtmp_output",
 	.flags              = OBS_OUTPUT_AV |
@@ -1106,5 +1112,6 @@ struct obs_output_info rtmp_output_info = {
 	.get_properties     = rtmp_stream_properties,
 	.get_total_bytes    = rtmp_stream_total_bytes_sent,
 	.get_congestion     = rtmp_stream_congestion,
+	.get_connect_time_ms= rtmp_stream_connect_time,
 	.get_dropped_frames = rtmp_stream_dropped_frames
 };