dmusic: Keep the original instrument patch in the entry.

dlls/dmusic/collection.c

@@ -25,6 +25,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(dmusic);
 struct instrument_entry
 {
     struct list entry;
+    DWORD patch;
     DMUS_OBJECTDESC desc;
     IDirectMusicInstrument *instrument;
 };
@@ -176,15 +177,12 @@ static HRESULT WINAPI collection_GetInstrument(IDirectMusicCollection *iface,
 {
     struct collection *This = impl_from_IDirectMusicCollection(iface);
     struct instrument_entry *entry;
-    DWORD inst_patch;
-    HRESULT hr;
 
     TRACE("(%p, %lu, %p)\n", iface, patch, instrument);
 
     LIST_FOR_EACH_ENTRY(entry, &This->instruments, struct instrument_entry, entry)
     {
-        if (FAILED(hr = IDirectMusicInstrument_GetPatch(entry->instrument, &inst_patch))) return hr;
-        if (patch == inst_patch)
+        if (patch == entry->patch)
         {
             *instrument = entry->instrument;
             IDirectMusicInstrument_AddRef(entry->instrument);
@@ -202,14 +200,13 @@ static HRESULT WINAPI collection_EnumInstrument(IDirectMusicCollection *iface,
 {
     struct collection *This = impl_from_IDirectMusicCollection(iface);
     struct instrument_entry *entry;
-    HRESULT hr;
 
     TRACE("(%p, %ld, %p, %p, %ld)\n", iface, index, patch, name, name_length);
 
     LIST_FOR_EACH_ENTRY(entry, &This->instruments, struct instrument_entry, entry)
     {
         if (index--) continue;
-        if (FAILED(hr = IDirectMusicInstrument_GetPatch(entry->instrument, patch))) return hr;
+        *patch = entry->patch;
         if (name) lstrcpynW(name, entry->desc.wszName, name_length);
         return S_OK;
     }
@@ -239,6 +236,7 @@ static HRESULT parse_lins_list(struct collection *This, IStream *stream, struct
         case MAKE_IDTYPE(FOURCC_LIST, FOURCC_INS):
             if (!(entry = malloc(sizeof(*entry)))) return E_OUTOFMEMORY;
             hr = instrument_create_from_chunk(stream, &chunk, This, &entry->desc, &entry->instrument);
+            if (SUCCEEDED(hr)) hr = IDirectMusicInstrument_GetPatch(entry->instrument, &entry->patch);
             if (SUCCEEDED(hr)) list_add_tail(&This->instruments, &entry->entry);
             else free(entry);
             break;

dlls/dmusic/tests/dmusic.c

@@ -1184,7 +1184,7 @@ static void test_download_instrument(void)
     static const LARGE_INTEGER zero = {0};
     IDirectMusicDownloadedInstrument *downloaded;
     IDirectMusicCollection *collection;
-    IDirectMusicInstrument *instrument;
+    IDirectMusicInstrument *instrument, *tmp_instrument;
     IPersistStream *persist;
     IDirectMusicPort *port;
     IDirectMusic *dmusic;
@@ -1299,6 +1299,22 @@ static void test_download_instrument(void)
 
     hr = IDirectMusicCollection_GetInstrument(collection, 0x1234, &instrument);
     ok(hr == S_OK, "got %#lx\n", hr);
+    hr = IDirectMusicInstrument_GetPatch(instrument, &patch);
+    ok(hr == S_OK, "got %#lx\n", hr);
+    ok(patch == 0x1234, "got %#lx\n", patch);
+    hr = IDirectMusicInstrument_SetPatch(instrument, 0x4321);
+    ok(hr == S_OK, "got %#lx\n", hr);
+    hr = IDirectMusicInstrument_GetPatch(instrument, &patch);
+    ok(hr == S_OK, "got %#lx\n", hr);
+    ok(patch == 0x4321, "got %#lx\n", patch);
+
+    hr = IDirectMusicCollection_GetInstrument(collection, 0x1234, &tmp_instrument);
+    ok(hr == S_OK, "got %#lx\n", hr);
+    ok(instrument == tmp_instrument, "got %p\n", tmp_instrument);
+    hr = IDirectMusicInstrument_GetPatch(tmp_instrument, &patch);
+    ok(hr == S_OK, "got %#lx\n", hr);
+    ok(patch == 0x4321, "got %#lx\n", patch);
+    IDirectMusicInstrument_Release(tmp_instrument);
 
     check_interface(instrument, &IID_IDirectMusicObject, FALSE);
     check_interface(instrument, &IID_IDirectMusicDownload, FALSE);