Alfred Agrell : winegstreamer: Implement IAMStreamSelect::Count in CLSID_MPEG1Splitter.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: fae39cf5a78d622ee825e82bafef1323b3073356
URL:    https://gitlab.winehq.org/wine/wine/-/commit/fae39cf5a78d622ee825e82bafef132...

Author: Alfred Agrell <floating(a)muncher.se>
Date:   Tue Sep 26 23:52:53 2023 +0200

winegstreamer: Implement IAMStreamSelect::Count in CLSID_MPEG1Splitter.

---

 dlls/winegstreamer/quartz_parser.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/dlls/winegstreamer/quartz_parser.c b/dlls/winegstreamer/quartz_parser.c
index f9d8d79b259..b1a463af531 100644
--- a/dlls/winegstreamer/quartz_parser.c
+++ b/dlls/winegstreamer/quartz_parser.c
@@ -1511,8 +1511,15 @@ static ULONG WINAPI stream_select_Release(IAMStreamSelect *iface)
 
 static HRESULT WINAPI stream_select_Count(IAMStreamSelect *iface, DWORD *count)
 {
-    FIXME("iface %p, count %p, stub!\n", iface, count);
-    return E_NOTIMPL;
+    struct parser *filter = impl_from_IAMStreamSelect(iface);
+    TRACE("filter %p, count %p\n", filter, count);
+    EnterCriticalSection(&filter->filter.filter_cs);
+    if (filter->sink.pin.peer)
+        *count = wg_parser_get_stream_count(filter->wg_parser);
+    else
+        *count = 0;
+    LeaveCriticalSection(&filter->filter.filter_cs);
+    return S_OK;
 }
 
 static HRESULT WINAPI stream_select_Info(IAMStreamSelect *iface, LONG index,