bin: Fix EOS forwarding on PLAYING->PLAYING

When doing a transition from PLAYING to PLAYING, we will fail
to forward an EOS message on the bus, and noone else will ever
send it because there'll be no actual state changed message.

Allow EOS through directly in that case.

1 files changed, 7 insertions, 2 deletions

diff --git a/gst/gstbin.c b/gst/gstbin.c
index 4fb1cd9f23..9601b8ebba 100644
--- a/gst/gstbin.c
+++ b/gst/gstbin.c
@@ -3336,10 +3336,12 @@ bin_do_eos (GstBin * bin)
 
   GST_OBJECT_LOCK (bin);
   /* If all sinks are EOS, we're in PLAYING and no state change is pending
-   * we forward the EOS message to the parent bin or application
+   * (or we're doing playing to playing and noone else will trigger posting
+   * EOS for us) we forward the EOS message to the parent bin or application
    */
   eos = GST_STATE (bin) == GST_STATE_PLAYING
-      && GST_STATE_PENDING (bin) == GST_STATE_VOID_PENDING
+      && (GST_STATE_PENDING (bin) == GST_STATE_VOID_PENDING ||
+      GST_STATE_PENDING (bin) == GST_STATE_PLAYING)
       && bin->priv->posted_playing && is_eos (bin, &seqnum);
   GST_OBJECT_UNLOCK (bin);
 
@@ -3362,6 +3364,9 @@ bin_do_eos (GstBin * bin)
     GST_DEBUG_OBJECT (bin,
         "all sinks posted EOS, posting seqnum #%" G_GUINT32_FORMAT, seqnum);
     gst_element_post_message (GST_ELEMENT_CAST (bin), tmessage);
+  } else {
+    GST_LOG_OBJECT (bin, "Not forwarding EOS due to in progress state change, "
+        " or already posted, or waiting for more EOS");
   }
 }