[PATCH v2 2/3] amstream: Implement IAMMultiMediaStream::GetDuration.

[Myah Caron]

Signed-off-by: Myah Caron 
---
v2: Add test case, return E_NOINTERFACE if This->media_seeking is missing (as uncovered by test case).
---
 dlls/amstream/multimedia.c     |  7 ++--
 dlls/amstream/tests/amstream.c | 60 ++++++++++++++++++++++++++++++++++
 2 files changed, 65 insertions(+), 2 deletions(-)

diff --git a/dlls/amstream/multimedia.c b/dlls/amstream/multimedia.c
index 200bd5c4a5..8f978b72ff 100644
--- a/dlls/amstream/multimedia.c
+++ b/dlls/amstream/multimedia.c
@@ -177,9 +177,12 @@ static HRESULT WINAPI multimedia_stream_GetDuration(IAMMultiMediaStream *iface,
 {
     struct multimedia_stream *This = impl_from_IAMMultiMediaStream(iface);

-    FIXME("(%p/%p)->(%p) stub!\n", This, iface, pDuration);
+    TRACE("(%p/%p)->(%p)\n", This, iface, pDuration);

-    return E_NOTIMPL;
+    if (!This->media_seeking)
+        return E_NOINTERFACE;
+
+    return IMediaSeeking_GetDuration(This->media_seeking, pDuration);
 }

static HRESULT WINAPI multimedia_stream_Seek(IAMMultiMediaStream *iface, STREAM_TIME seek_time)
diff --git a/dlls/amstream/tests/amstream.c b/dlls/amstream/tests/amstream.c
index 48953684f9..70fc4f02d0 100644
--- a/dlls/amstream/tests/amstream.c
+++ b/dlls/amstream/tests/amstream.c
@@ -335,6 +335,65 @@ static void test_openfile(const WCHAR *test_avi_path)
     ok(!ref, "Got outstanding refcount %d.\n", ref);
 }

+static void test_mmstream_get_duration(const WCHAR *test_avi_path)
+{
+    IAMMultiMediaStream *mmstream = create_ammultimediastream();
+    LONGLONG duration;
+    HRESULT hr;
+    ULONG ref;
+
+    duration = 0xdeadbeefdeadbeefULL;
+    hr = IAMMultiMediaStream_GetDuration(mmstream, &duration);
+    ok(hr == E_NOINTERFACE, "Got hr %#x.\n", hr);
+    ok(duration == 0xdeadbeefdeadbeefULL, "Got duration %s.\n",
+       wine_dbgstr_longlong(duration));
+
+    hr = IAMMultiMediaStream_AddMediaStream(mmstream, NULL, &MSPID_PrimaryVideo, 0, NULL);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = IAMMultiMediaStream_AddMediaStream(mmstream, NULL, &MSPID_PrimaryAudio, AMMSF_ADDDEFAULTRENDERER, NULL);
+    ok(hr == S_OK || hr == VFW_E_NO_AUDIO_HARDWARE, "Got hr %#x.\n", hr);
+
+    hr = IAMMultiMediaStream_OpenFile(mmstream, test_avi_path, 0);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    duration = 0xdeadbeefdeadbeefULL;
+    hr = IAMMultiMediaStream_GetDuration(mmstream, &duration);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(duration == 0xf4240ULL, "Got duration %s.\n",
+       wine_dbgstr_longlong(duration));
+
+    ref = IAMMultiMediaStream_Release(mmstream);
+    ok(!ref, "Got outstanding refcount %d.\n", ref);
+
+    mmstream = create_ammultimediastream();
+    hr = IAMMultiMediaStream_AddMediaStream(mmstream, NULL, &MSPID_PrimaryAudio, 0, NULL);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    duration = 0xdeadbeefdeadbeefULL;
+    hr = IAMMultiMediaStream_GetDuration(mmstream, &duration);
+    todo_wine ok(hr == S_FALSE, "Got hr %#x.\n", hr);
+    ok(duration == 0, "Got duration %s.\n",
+       wine_dbgstr_longlong(duration));
+
+    ref = IAMMultiMediaStream_Release(mmstream);
+    ok(!ref, "Got outstanding refcount %d.\n", ref);
+
+    mmstream = create_ammultimediastream();
+
+    hr = IAMMultiMediaStream_OpenFile(mmstream, test_avi_path, 0);
+    todo_wine ok(hr == VFW_E_CANNOT_CONNECT, "Got hr %#x.\n", hr);
+
+    duration = 0xdeadbeefdeadbeefULL;
+    hr = IAMMultiMediaStream_GetDuration(mmstream, &duration);
+    todo_wine ok(hr == S_FALSE, "Got hr %#x.\n", hr);
+    todo_wine ok(duration == 0, "Got duration %s.\n",
+                 wine_dbgstr_longlong(duration));
+
+    ref = IAMMultiMediaStream_Release(mmstream);
+    ok(!ref, "Got outstanding refcount %d.\n", ref);
+}
+
 static void test_renderfile(const WCHAR *test_avi_path)
 {
     IAMMultiMediaStream *pams;
@@ -5351,6 +5410,7 @@ START_TEST(amstream)
     test_avi_path = load_resource(L"test.avi");

test_openfile(test_avi_path);
+    test_mmstream_get_duration(test_avi_path);
     test_renderfile(test_avi_path);

unload_resource(test_avi_path);
--
2.27.0