[PATCH] amstream: Implement IMediaStreamFilter::ReferenceTimeToStreamTime().

[Gijs Vermeulen]

Signed-off-by: Gijs Vermeulen <gijsvrm at gmail.com>
---
 dlls/amstream/filter.c         | 20 +++++++++++--
 dlls/amstream/tests/amstream.c | 52 ++++++++++++++++++++++++++++++++++
 2 files changed, 69 insertions(+), 3 deletions(-)

diff --git a/dlls/amstream/filter.c b/dlls/amstream/filter.c
index 13fd30c3a5..7d026f9697 100644
--- a/dlls/amstream/filter.c
+++ b/dlls/amstream/filter.c
@@ -616,11 +616,25 @@ static HRESULT WINAPI filter_SupportSeeking(IMediaStreamFilter *iface, BOOL rend
     return E_NOINTERFACE;
 }
 
-static HRESULT WINAPI filter_ReferenceTimeToStreamTime(IMediaStreamFilter *iface, REFERENCE_TIME *pTime)
+static HRESULT WINAPI filter_ReferenceTimeToStreamTime(IMediaStreamFilter *iface, REFERENCE_TIME *time)
 {
-    FIXME("(%p)->(%p): Stub!\n", iface, pTime);
+    struct filter *filter = impl_from_IMediaStreamFilter(iface);
 
-    return E_NOTIMPL;
+    TRACE("filter %p, time %p.\n", filter, time);
+
+    if (!time)
+        return S_FALSE;
+
+    EnterCriticalSection(&filter->cs);
+
+    if (!filter->clock)
+        return S_FALSE;
+
+    *time -= filter->start_time;
+
+    LeaveCriticalSection(&filter->cs);
+
+    return S_OK;
 }
 
 static HRESULT WINAPI filter_GetCurrentStreamTime(IMediaStreamFilter *iface, REFERENCE_TIME *time)
diff --git a/dlls/amstream/tests/amstream.c b/dlls/amstream/tests/amstream.c
index 910ab11f52..412fe22a02 100644
--- a/dlls/amstream/tests/amstream.c
+++ b/dlls/amstream/tests/amstream.c
@@ -5402,6 +5402,57 @@ static void test_mediastreamfilter_get_current_stream_time(void)
     ok(!ref, "Got outstanding refcount %d.\n", ref);
 }
 
+static void test_mediastreamfilter_reference_time_to_stream_time(void)
+{
+    IMediaStreamFilter *filter;
+    struct testclock clock;
+    REFERENCE_TIME time;
+    HRESULT hr;
+    ULONG ref;
+
+    hr = CoCreateInstance(&CLSID_MediaStreamFilter, NULL, CLSCTX_INPROC_SERVER,
+            &IID_IMediaStreamFilter, (void **)&filter);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    testclock_init(&clock);
+
+    hr = IMediaStreamFilter_ReferenceTimeToStreamTime(filter, NULL);
+    ok(hr == S_FALSE, "Got hr %#x.\n", hr);
+
+    time = 0xdeadbeefdeadbeef;
+    hr = IMediaStreamFilter_ReferenceTimeToStreamTime(filter, &time);
+    ok(hr == S_FALSE, "Got hr %#x.\n", hr);
+    ok(time == 0xdeadbeefdeadbeef, "Got time %s.\n", wine_dbgstr_longlong(time));
+
+    hr = IMediaStreamFilter_SetSyncSource(filter, &clock.IReferenceClock_iface);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    clock.get_time_hr = E_FAIL;
+
+    time = 0xdeadbeefdeadbeef;
+    hr = IMediaStreamFilter_ReferenceTimeToStreamTime(filter, &time);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(time == 0xdeadbeefdeadbeef, "Got time %s.\n", wine_dbgstr_longlong(time));
+
+    hr = IMediaStreamFilter_Run(filter, 23456789);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    time = 0xdeadbeefdeadbeef;
+    hr = IMediaStreamFilter_ReferenceTimeToStreamTime(filter, &time);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(time == 0xdeadbeefdd47d2da, "Got time %s.\n", wine_dbgstr_longlong(time));
+
+    clock.time = 34567890;
+    clock.get_time_hr = S_OK;
+
+    time = 0xdeadbeefdeadbeef;
+    hr = IMediaStreamFilter_ReferenceTimeToStreamTime(filter, &time);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(time == 0xdeadbeefdd47d2da, "Got time %s.\n", wine_dbgstr_longlong(time));
+
+    ref = IMediaStreamFilter_Release(filter);
+    ok(!ref, "Got outstanding refcount %d.\n", ref);
+}
+
 static void test_ddrawstream_getsetdirectdraw(void)
 {
     IAMMultiMediaStream *mmstream = create_ammultimediastream();
@@ -5858,6 +5909,7 @@ START_TEST(amstream)
     test_mediastreamfilter_get_duration();
     test_mediastreamfilter_get_stop_position();
     test_mediastreamfilter_get_current_stream_time();
+    test_mediastreamfilter_reference_time_to_stream_time();
 
     CoUninitialize();
 }
-- 
2.28.0