From 8a0ab82444d3fa823e0514fed06a0e8aa9895567 Mon Sep 17 00:00:00 2001
From: Nirbheek Chauhan <nirbheek@centricular.com>
Date: Tue, 13 Aug 2019 22:54:42 +0530
Subject: [PATCH] wasapi: Move to CoInitializeEx for COM initialization

CoInitialize is not allowed when targeting UWP and causes a Windows
Application Certification Kit (WACK) error.
---
 sys/wasapi/gstwasapidevice.c | 2 +-
 sys/wasapi/gstwasapisink.c   | 4 ++--
 sys/wasapi/gstwasapisrc.c    | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/sys/wasapi/gstwasapidevice.c b/sys/wasapi/gstwasapidevice.c
index 62087eb..4e6379c 100644
--- a/sys/wasapi/gstwasapidevice.c
+++ b/sys/wasapi/gstwasapidevice.c
@@ -48,7 +48,7 @@ gst_wasapi_device_provider_class_init (GstWasapiDeviceProviderClass * klass)
 static void
 gst_wasapi_device_provider_init (GstWasapiDeviceProvider * provider)
 {
-  CoInitialize (NULL);
+  CoInitializeEx (NULL, COINIT_MULTITHREADED);
 }
 
 static void
diff --git a/sys/wasapi/gstwasapisink.c b/sys/wasapi/gstwasapisink.c
index cf8a075..d21c42f 100644
--- a/sys/wasapi/gstwasapisink.c
+++ b/sys/wasapi/gstwasapisink.c
@@ -177,7 +177,7 @@ gst_wasapi_sink_init (GstWasapiSink * self)
   self->event_handle = CreateEvent (NULL, FALSE, FALSE, NULL);
   self->client_needs_restart = FALSE;
 
-  CoInitialize (NULL);
+  CoInitializeEx (NULL, COINIT_MULTITHREADED);
 }
 
 static void
@@ -475,7 +475,7 @@ gst_wasapi_sink_prepare (GstAudioSink * asink, GstAudioRingBufferSpec * spec)
   guint bpf, rate, devicep_frames;
   HRESULT hr;
 
-  CoInitialize (NULL);
+  CoInitializeEx (NULL, COINIT_MULTITHREADED);
 
   if (gst_wasapi_sink_can_audioclient3 (self)) {
     if (!gst_wasapi_util_initialize_audioclient3 (GST_ELEMENT (self), spec,
diff --git a/sys/wasapi/gstwasapisrc.c b/sys/wasapi/gstwasapisrc.c
index 3bb8b3f..e52ea7e 100644
--- a/sys/wasapi/gstwasapisrc.c
+++ b/sys/wasapi/gstwasapisrc.c
@@ -191,7 +191,7 @@ gst_wasapi_src_init (GstWasapiSrc * self)
   self->event_handle = CreateEvent (NULL, FALSE, FALSE, NULL);
   self->client_needs_restart = FALSE;
 
-  CoInitialize (NULL);
+  CoInitializeEx (NULL, COINIT_MULTITHREADED);
 }
 
 static void
@@ -444,7 +444,7 @@ gst_wasapi_src_prepare (GstAudioSrc * asrc, GstAudioRingBufferSpec * spec)
   guint bpf, rate, devicep_frames, buffer_frames;
   HRESULT hr;
 
-  CoInitialize (NULL);
+  CoInitializeEx (NULL, COINIT_MULTITHREADED);
 
   if (gst_wasapi_src_can_audioclient3 (self)) {
     if (!gst_wasapi_util_initialize_audioclient3 (GST_ELEMENT (self), spec,
-- 
2.7.4