mss: Rework the pipeline to reduce CPU usage

This adds tsparse and tsdemux sharing and globally reconfigure the
pipeline so it better performs.

src/main.c

@@ -346,16 +346,19 @@ int main (int argc, char *argv[])
 
   http_server = mss_http_server_new ();
 
-      "queue ! tsdemux latency=50 ! decodebin ! videoconvert ! autovideosink "
-      "t. ! queue leaky=downstream max-size-buffers=400 ! tsdemux ! h264parse ! video/x-h264, stream-format=avc ! h264parse ! mpegtsmux ! hlssink location=%s/segment%%05d.ts playlist-location=%s/playlist.m3u8 target-duration=1 playlist-length=3 "
-  pipeline_str = g_strdup_printf ("srtsrc uri=%s?mode=listener name=src latency=50 ! tsparse name=tsparse ! tee name=t ! "
-      "t. ! queue leaky=downstream max-size-buffers=10 ! rtpmp2tpay ! ristsink bonding-addresses=%s "
-      "t. ! queue leaky=downstream max-size-buffers=10 ! tsdemux ! rtph264pay config-interval=1 ! application/x-rtp,payload=96 ! tee name=webrtctee allow-not-linked=true "
-      "t. ! queue leaky=downstream max-size-buffers=10 ! srtsink uri=srt://:7002?mode=listener",
+  pipeline_str = g_strdup_printf (
+      "srtsrc uri=%s?mode=listener name=src latency=50 ! queue name=srtqueue ! tsparse smoothing-latency=50000 set-timestamps=1 ! tee name=t "
+      "t. ! queue ! rtpmp2tpay ! ristsink bonding-addresses=%s async=0 "
+      "t. ! queue leaky=downstream ! srtsink uri=srt://:7002?mode=listener async=0 "
+      "t. ! queue ! tsdemux latency=50 ! tee name=h264_t "
+        "h264_t. ! queue ! decodebin ! videoconvert ! autovideosink async=0 "
+        "h264_t. ! queue ! h264parse ! video/x-h264, alignment=au ! mpegtsmux ! "
+          "hlssink location=%s/segment%%05d.ts playlist-location=%s/playlist.m3u8 target-duration=1 playlist-length=3 async=0 "
+        "h264_t. ! queue ! h264parse ! rtph264pay config-interval=1 ! application/x-rtp,payload=96 ! tee name=webrtctee allow-not-linked=true ",
       srt_uri,
+      rist_addresses,
       mss_http_server_get_hls_dir (http_server),
-      mss_http_server_get_hls_dir (http_server),
-      rist_addresses);
+      mss_http_server_get_hls_dir (http_server));
 
   gst_init (&argc, &argv);
   pipeline = gst_parse_launch (pipeline_str, &error);