winegstreamer: Check for unexpected format change in wg_transform_read helpers.

dlls/winegstreamer/color_convert.c

@@ -601,9 +601,6 @@ static HRESULT WINAPI transform_ProcessOutput(IMFTransform *iface, DWORD flags,
 
     wg_sample_release(wg_sample);
 
-    if (hr == MF_E_TRANSFORM_STREAM_CHANGE)
-        FIXME("Unexpected stream format change!\n");
-
     return hr;
 }
 

dlls/winegstreamer/quartz_transform.c

@@ -342,8 +342,6 @@ static HRESULT WINAPI transform_sink_receive(struct strmbase_sink *pin, IMediaSa
         }
         if (FAILED(hr))
         {
-            if (hr == MF_E_TRANSFORM_STREAM_CHANGE)
-                FIXME("Unexpected stream format change!\n");
             IMediaSample_Release(output_sample);
             return hr;
         }

dlls/winegstreamer/resampler.c

@@ -571,9 +571,6 @@ static HRESULT WINAPI transform_ProcessOutput(IMFTransform *iface, DWORD flags,
 
     wg_sample_release(wg_sample);
 
-    if (hr == MF_E_TRANSFORM_STREAM_CHANGE)
-        FIXME("Unexpected stream format change!\n");
-
     return hr;
 }
 

dlls/winegstreamer/video_processor.c

@@ -577,9 +577,6 @@ static HRESULT WINAPI video_processor_ProcessOutput(IMFTransform *iface, DWORD f
 
     wg_sample_release(wg_sample);
 
-    if (hr == MF_E_TRANSFORM_STREAM_CHANGE)
-        FIXME("Unexpected stream format change!\n");
-
     return hr;
 }
 

dlls/winegstreamer/wg_sample.c

@@ -291,7 +291,11 @@ HRESULT wg_transform_read_mf(struct wg_transform *transform, struct wg_sample *w
     TRACE_(mfplat)("transform %p, wg_sample %p, format %p, flags %p.\n", transform, wg_sample, format, flags);
 
     if (FAILED(hr = wg_transform_read_data(transform, wg_sample, format)))
+    {
+        if (hr == MF_E_TRANSFORM_STREAM_CHANGE && !format)
+            FIXME("Unexpected stream format change!\n");
         return hr;
+    }
 
     if (FAILED(hr = IMFMediaBuffer_SetCurrentLength(sample->u.mf.buffer, wg_sample->size)))
         return hr;
@@ -349,7 +353,11 @@ HRESULT wg_transform_read_quartz(struct wg_transform *transform, struct wg_sampl
     TRACE_(mfplat)("transform %p, wg_sample %p.\n", transform, wg_sample);
 
     if (FAILED(hr = wg_transform_read_data(transform, wg_sample, NULL)))
+    {
+        if (hr == MF_E_TRANSFORM_STREAM_CHANGE)
+            FIXME("Unexpected stream format change!\n");
         return hr;
+    }
 
     if (FAILED(hr = IMediaSample_SetActualDataLength(sample->u.quartz.sample, wg_sample->size)))
         return hr;

dlls/winegstreamer/wma_decoder.c

@@ -597,9 +597,6 @@ static HRESULT WINAPI transform_ProcessOutput(IMFTransform *iface, DWORD flags,
 
     wg_sample_release(wg_sample);
 
-    if (hr == MF_E_TRANSFORM_STREAM_CHANGE)
-        FIXME("Unexpected stream format change!\n");
-
     return hr;
 }