Anton Baskanov : amstream: Reference the multimedia stream in ddraw stream sample.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 5d5102f8498413f4b7e11f7da0509e7717fb3735
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=5d5102f8498413f4b7e11f7da0509e7717fb3735

Author: Anton Baskanov <baskanov at gmail.com>
Date:   Wed Oct  7 23:08:16 2020 +0700

amstream: Reference the multimedia stream in ddraw stream sample.

Signed-off-by: Anton Baskanov <baskanov at gmail.com>
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/amstream/ddrawstream.c    | 6 ++++++
 dlls/amstream/tests/amstream.c | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/dlls/amstream/ddrawstream.c b/dlls/amstream/ddrawstream.c
index 6ea99d4915..5e6e1555d7 100644
--- a/dlls/amstream/ddrawstream.c
+++ b/dlls/amstream/ddrawstream.c
@@ -70,6 +70,7 @@ struct ddraw_sample
     IDirectDrawStreamSample IDirectDrawStreamSample_iface;
     LONG ref;
     struct ddraw_stream *parent;
+    IMultiMediaStream *mmstream;
     IDirectDrawSurface *surface;
     RECT rect;
     STREAM_TIME start_time;
@@ -1462,6 +1463,8 @@ static ULONG WINAPI ddraw_sample_Release(IDirectDrawStreamSample *iface)
         --sample->parent->sample_refs;
         LeaveCriticalSection(&sample->parent->cs);
 
+        if (sample->mmstream)
+            IMultiMediaStream_Release(sample->mmstream);
         IAMMediaStream_Release(&sample->parent->IAMMediaStream_iface);
 
         if (sample->surface)
@@ -1678,8 +1681,11 @@ static HRESULT ddrawstreamsample_create(struct ddraw_stream *parent, IDirectDraw
     object->IDirectDrawStreamSample_iface.lpVtbl = &DirectDrawStreamSample_Vtbl;
     object->ref = 1;
     object->parent = parent;
+    object->mmstream = parent->parent;
     InitializeConditionVariable(&object->update_cv);
     IAMMediaStream_AddRef(&parent->IAMMediaStream_iface);
+    if (object->mmstream)
+        IMultiMediaStream_AddRef(object->mmstream);
     ++parent->sample_refs;
 
     if (surface)
diff --git a/dlls/amstream/tests/amstream.c b/dlls/amstream/tests/amstream.c
index 285dc0f054..9dda5882a4 100644
--- a/dlls/amstream/tests/amstream.c
+++ b/dlls/amstream/tests/amstream.c
@@ -6904,9 +6904,11 @@ static void test_ddrawstream_create_sample(void)
     hr = IDirectDrawMediaStream_CreateSample(ddraw_stream, NULL, &rect, 0, &sample);
     ok(hr == E_INVALIDARG, "Got hr %#x.\n", hr);
 
+    EXPECT_REF(mmstream, 1);
     EXPECT_REF(stream, 3);
     hr = IDirectDrawMediaStream_CreateSample(ddraw_stream, NULL, NULL, 0, &sample);
     ok(hr == S_OK, "Got hr %#x.\n", hr);
+    EXPECT_REF(mmstream, 2);
     EXPECT_REF(stream, 4);
 
     hr = IDirectDrawStreamSample_GetSurface(sample, NULL, NULL);