Nikolay Sivov : mfplay: Automatically initialize Media Foundation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 2efb464bab2752bf63453244a63c4243e66d154f
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=2efb464bab2752bf63453244a63c4243e66d154f

Author: Nikolay Sivov <nsivov at codeweavers.com>
Date:   Mon Apr  5 09:10:58 2021 +0300

mfplay: Automatically initialize Media Foundation.

Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/mfplay/Makefile.in |  2 +-
 dlls/mfplay/player.c    | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/dlls/mfplay/Makefile.in b/dlls/mfplay/Makefile.in
index b21ce0e2161..91a8e5cc5a6 100644
--- a/dlls/mfplay/Makefile.in
+++ b/dlls/mfplay/Makefile.in
@@ -1,6 +1,6 @@
 MODULE    = mfplay.dll
 IMPORTLIB = mfplay
-IMPORTS   = uuid mfuuid
+IMPORTS   = mfplat uuid mfuuid
 
 EXTRADLLFLAGS = -mno-cygwin -Wb,--prefer-native
 
diff --git a/dlls/mfplay/player.c b/dlls/mfplay/player.c
index 6905812835a..0305f663924 100644
--- a/dlls/mfplay/player.c
+++ b/dlls/mfplay/player.c
@@ -22,6 +22,7 @@
 
 #include "windef.h"
 #include "winbase.h"
+#include "mfapi.h"
 #include "mfplay.h"
 
 #include "wine/debug.h"
@@ -29,6 +30,20 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(mfplat);
 
+static LONG startup_refcount;
+
+static void platform_startup(void)
+{
+    if (InterlockedIncrement(&startup_refcount) == 1)
+        MFStartup(MF_VERSION, MFSTARTUP_FULL);
+}
+
+static void platform_shutdown(void)
+{
+    if (InterlockedDecrement(&startup_refcount) == 0)
+        MFShutdown();
+}
+
 struct media_player
 {
     IMFPMediaPlayer IMFPMediaPlayer_iface;
@@ -81,6 +96,8 @@ static ULONG WINAPI media_player_Release(IMFPMediaPlayer *iface)
         if (player->callback)
             IMFPMediaPlayerCallback_Release(player->callback);
         heap_free(player);
+
+        platform_shutdown();
     }
 
     return refcount;
@@ -405,6 +422,8 @@ HRESULT WINAPI MFPCreateMediaPlayer(const WCHAR *url, BOOL start_playback, MFP_C
     if (object->callback)
         IMFPMediaPlayerCallback_AddRef(object->callback);
 
+    platform_startup();
+
     *player = &object->IMFPMediaPlayer_iface;
 
     return S_OK;