From ed14e0d5a64c74506d50bac35663f7479eeb9c7f Mon Sep 17 00:00:00 2001
From: Seungha Yang <seungha@centricular.com>
Date: Sat, 25 Jul 2020 20:40:52 +0900
Subject: [PATCH] wasapi2device: Allow empty caps for UWP use case

If the device has not been activated yet, caps might not be available.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1466>
---
 sys/wasapi2/gstwasapi2device.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sys/wasapi2/gstwasapi2device.c b/sys/wasapi2/gstwasapi2device.c
index 3688c2ed4a..ab912e7f6a 100644
--- a/sys/wasapi2/gstwasapi2device.c
+++ b/sys/wasapi2/gstwasapi2device.c
@@ -24,6 +24,7 @@
 
 #include "gstwasapi2device.h"
 #include "gstwasapi2client.h"
+#include "gstwasapi2util.h"
 
 GST_DEBUG_CATEGORY_EXTERN (gst_wasapi2_debug);
 #define GST_CAT_DEFAULT gst_wasapi2_debug
@@ -190,7 +191,8 @@ gst_wasapi2_device_provider_probe_internal (GstWasapi2DeviceProvider * self,
     caps = gst_wasapi2_client_get_caps (client);
     if (!caps) {
       GST_WARNING_OBJECT (self, "Couldn't get caps from client %d", i);
-      goto next;
+      /* this might be a case where device activation is not finished yet */
+      caps = gst_caps_from_string (GST_WASAPI2_STATIC_CAPS);
     }
 
     g_object_get (client,