rtsp-stream: collect a clock_rate when blocking

This lets us provide a clock_rate in a fashion similar to the
other code paths in get_rtpinfo()

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-rtsp-server/-/merge_requests/174>

1 files changed, 23 insertions, 2 deletions

diff --git a/gst/rtsp-server/rtsp-stream.c b/gst/rtsp-server/rtsp-stream.c
index ddf7ba4..c94e6ee 100644
--- a/gst/rtsp-server/rtsp-stream.c
+++ b/gst/rtsp-server/rtsp-stream.c
@@ -220,6 +220,7 @@ struct _GstRTSPStreamPrivate
   guint32 blocked_seqnum;
   guint32 blocked_rtptime;
   GstClockTime blocked_running_time;
+  gint blocked_clock_rate;
 
   /* Whether we should send and receive RTCP */
   gboolean enable_rtcp;
@@ -4344,6 +4345,14 @@ gst_rtsp_stream_get_rtpinfo (GstRTSPStream * stream,
           goto stats;
         *running_time = priv->blocked_running_time;
       }
+
+      if (clock_rate) {
+        *clock_rate = priv->blocked_clock_rate;
+
+        if (*clock_rate == 0 && running_time)
+          *running_time = GST_CLOCK_TIME_NONE;
+      }
+
       goto done;
     }
   }
@@ -5306,6 +5315,17 @@ pad_blocking (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
     gst_event_unref (event);
   }
 
+  event = gst_pad_get_sticky_event (pad, GST_EVENT_CAPS, 0);
+  if (event) {
+    GstCaps *caps;
+    GstStructure *s;
+
+    gst_event_parse_caps (event, &caps);
+    s = gst_caps_get_structure (caps, 0);
+    gst_structure_get_int (s, "clock-rate", &priv->blocked_clock_rate);
+    gst_event_unref (event);
+  }
+
   priv->blocking = TRUE;
 
   GST_DEBUG_OBJECT (pad, "Now blocking");
@@ -5347,6 +5367,7 @@ set_blocked (GstRTSPStream * stream, gboolean blocked)
         priv->blocking = FALSE;
         priv->blocked_buffer = FALSE;
         priv->blocked_running_time = GST_CLOCK_TIME_NONE;
+        priv->blocked_clock_rate = 0;
         priv->blocked_id[i] = gst_pad_add_probe (priv->send_src[i],
             GST_PAD_PROBE_TYPE_BLOCK | GST_PAD_PROBE_TYPE_BUFFER |
             GST_PAD_PROBE_TYPE_BUFFER_LIST |
@@ -6243,8 +6264,8 @@ gst_rtsp_stream_set_rate_control (GstRTSPStream * stream, gboolean enabled)
   if (stream->priv->appsink[0])
     g_object_set (stream->priv->appsink[0], "sync", enabled, NULL);
   if (stream->priv->payloader
-      && g_object_class_find_property (G_OBJECT_GET_CLASS (stream->priv->
-              payloader), "onvif-no-rate-control"))
+      && g_object_class_find_property (G_OBJECT_GET_CLASS (stream->
+              priv->payloader), "onvif-no-rate-control"))
     g_object_set (stream->priv->payloader, "onvif-no-rate-control", !enabled,
         NULL);
   if (stream->priv->session) {