mf/evr: Fix rate limits methods.

dlls/mf/evr.c

@@ -16,6 +16,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#include <float.h>
+
 #define COBJMACROS
 
 #include "mf_private.h"
@@ -2730,25 +2732,46 @@ static HRESULT WINAPI video_renderer_rate_support_GetSlowestRate(IMFRateSupport
         BOOL thin, float *rate)
 {
     struct video_renderer *renderer = impl_from_IMFRateSupport(iface);
+    HRESULT hr = S_OK;
 
     TRACE("%p, %d, %d, %p.\n", iface, direction, thin, rate);
 
+    EnterCriticalSection(&renderer->cs);
     if (renderer->flags & EVR_SHUT_DOWN)
-        return MF_E_SHUTDOWN;
-
-    *rate = 0.0f;
+        hr = MF_E_SHUTDOWN;
+    else if (!rate)
+        hr = E_POINTER;
+    else
+    {
+        *rate = 0.0f;
+    }
+    LeaveCriticalSection(&renderer->cs);
 
-    return S_OK;
+    return hr;
 }
 
 static HRESULT WINAPI video_renderer_rate_support_GetFastestRate(IMFRateSupport *iface, MFRATE_DIRECTION direction,
         BOOL thin, float *rate)
 {
     struct video_renderer *renderer = impl_from_IMFRateSupport(iface);
+    HRESULT hr = S_OK;
 
     TRACE("%p, %d, %d, %p.\n", iface, direction, thin, rate);
 
-    return renderer->flags & EVR_SHUT_DOWN ? MF_E_SHUTDOWN : MF_E_INVALIDREQUEST;
+    EnterCriticalSection(&renderer->cs);
+    if (renderer->flags & EVR_SHUT_DOWN)
+        hr = MF_E_SHUTDOWN;
+    else if (!rate)
+        hr = E_POINTER;
+    else if (video_renderer_is_main_stream_configured(renderer))
+    {
+        *rate = direction == MFRATE_FORWARD ? FLT_MAX : -FLT_MAX;
+    }
+    else
+        hr = MF_E_INVALIDREQUEST;
+    LeaveCriticalSection(&renderer->cs);
+
+    return hr;
 }
 
 static HRESULT WINAPI video_renderer_rate_support_IsRateSupported(IMFRateSupport *iface, BOOL thin, float rate,

dlls/mf/tests/mf.c

@@ -4612,6 +4612,9 @@ todo_wine {
     hr = IMFRateSupport_GetFastestRate(rs, MFRATE_REVERSE, TRUE, &rate);
     ok(hr == MF_E_INVALIDREQUEST, "Unexpected hr %#x.\n", hr);
 
+    hr = IMFRateSupport_GetFastestRate(rs, MFRATE_REVERSE, TRUE, NULL);
+    ok(hr == E_POINTER, "Unexpected hr %#x.\n", hr);
+
     for (i = 0; i < ARRAY_SIZE(supported_rates); ++i)
     {
         rate = supported_rates[i] + 1.0f;
@@ -4661,16 +4664,20 @@ todo_wine {
 
     rate = 0.0f;
     hr = IMFRateSupport_GetFastestRate(rs, MFRATE_FORWARD, TRUE, &rate);
-todo_wine {
     ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
     ok(rate == FLT_MAX, "Unexpected rate %f.\n", rate);
-}
+
     rate = 0.0f;
     hr = IMFRateSupport_GetFastestRate(rs, MFRATE_REVERSE, TRUE, &rate);
-todo_wine {
     ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
     ok(rate == -FLT_MAX, "Unexpected rate %f.\n", rate);
-}
+
+    hr = IMFRateSupport_GetFastestRate(rs, MFRATE_REVERSE, TRUE, NULL);
+    ok(hr == E_POINTER, "Unexpected hr %#x.\n", hr);
+
+    hr = IMFRateSupport_GetSlowestRate(rs, MFRATE_REVERSE, TRUE, NULL);
+    ok(hr == E_POINTER, "Unexpected hr %#x.\n", hr);
+
     for (i = 0; i < ARRAY_SIZE(supported_rates); ++i)
     {
         rate = supported_rates[i] + 1.0f;
@@ -4709,6 +4716,12 @@ todo_wine {
     hr = IMFRateSupport_GetFastestRate(rs, MFRATE_FORWARD, FALSE, &rate);
     ok(hr == MF_E_SHUTDOWN, "Unexpected hr %#x.\n", hr);
 
+    hr = IMFRateSupport_GetSlowestRate(rs, MFRATE_FORWARD, FALSE, NULL);
+    ok(hr == MF_E_SHUTDOWN, "Unexpected hr %#x.\n", hr);
+
+    hr = IMFRateSupport_GetFastestRate(rs, MFRATE_FORWARD, FALSE, NULL);
+    ok(hr == MF_E_SHUTDOWN, "Unexpected hr %#x.\n", hr);
+
     hr = IMFRateSupport_IsRateSupported(rs, TRUE, 1.0f, &rate);
     ok(hr == MF_E_SHUTDOWN, "Unexpected hr %#x.\n", hr);