winegstreamer: Keep input / output stream info in struct resampler.

dlls/winegstreamer/resampler.c

@@ -43,8 +43,11 @@ struct resampler
     IPropertyStore IPropertyStore_iface;
     IUnknown *outer;
     LONG refcount;
+
     IMFMediaType *input_type;
+    MFT_INPUT_STREAM_INFO input_info;
     IMFMediaType *output_type;
+    MFT_OUTPUT_STREAM_INFO output_info;
 
     struct wg_transform *wg_transform;
     struct wg_sample_queue *wg_sample_queue;
@@ -191,44 +194,32 @@ static HRESULT WINAPI transform_GetStreamIDs(IMFTransform *iface, DWORD input_si
 static HRESULT WINAPI transform_GetInputStreamInfo(IMFTransform *iface, DWORD id, MFT_INPUT_STREAM_INFO *info)
 {
     struct resampler *impl = impl_from_IMFTransform(iface);
-    UINT32 block_alignment;
-    HRESULT hr;
 
     TRACE("iface %p, id %#lx, info %p.\n", iface, id, info);
 
     if (!impl->input_type || !impl->output_type)
+    {
+        memset(info, 0, sizeof(*info));
         return MF_E_TRANSFORM_TYPE_NOT_SET;
+    }
 
-    if (FAILED(hr = IMFMediaType_GetUINT32(impl->input_type, &MF_MT_AUDIO_BLOCK_ALIGNMENT, &block_alignment)))
-        return hr;
-
-    info->dwFlags = 0;
-    info->cbSize = block_alignment;
-    info->cbAlignment = 1;
-    info->hnsMaxLatency = 0;
-    info->cbMaxLookahead = 0;
-
+    *info = impl->input_info;
     return S_OK;
 }
 
 static HRESULT WINAPI transform_GetOutputStreamInfo(IMFTransform *iface, DWORD id, MFT_OUTPUT_STREAM_INFO *info)
 {
     struct resampler *impl = impl_from_IMFTransform(iface);
-    UINT32 block_alignment;
-    HRESULT hr;
 
     TRACE("iface %p, id %#lx, info %p.\n", iface, id, info);
 
     if (!impl->input_type || !impl->output_type)
+    {
+        memset(info, 0, sizeof(*info));
         return MF_E_TRANSFORM_TYPE_NOT_SET;
+    }
 
-    if (FAILED(hr = IMFMediaType_GetUINT32(impl->output_type, &MF_MT_AUDIO_BLOCK_ALIGNMENT, &block_alignment)))
-        return hr;
-
-    info->dwFlags = 0;
-    info->cbSize = block_alignment;
-    info->cbAlignment = 1;
-
+    *info = impl->output_info;
     return S_OK;
 }
 
@@ -367,9 +358,6 @@ static HRESULT check_media_type(IMFMediaType *type)
     if (FAILED(IMFMediaType_GetItemType(type, &MF_MT_AUDIO_SAMPLES_PER_SECOND, &item_type)) ||
         item_type != MF_ATTRIBUTE_UINT32)
         return MF_E_INVALIDMEDIATYPE;
-    if (FAILED(IMFMediaType_GetItemType(type, &MF_MT_AUDIO_BLOCK_ALIGNMENT, &item_type)) ||
-        item_type != MF_ATTRIBUTE_UINT32)
-        return MF_E_INVALIDMEDIATYPE;
 
     return S_OK;
 }
@@ -377,12 +365,15 @@ static HRESULT check_media_type(IMFMediaType *type)
 static HRESULT WINAPI transform_SetInputType(IMFTransform *iface, DWORD id, IMFMediaType *type, DWORD flags)
 {
     struct resampler *impl = impl_from_IMFTransform(iface);
+    UINT32 block_alignment;
     HRESULT hr;
 
     TRACE("iface %p, id %#lx, type %p, flags %#lx.\n", iface, id, type, flags);
 
     if (FAILED(hr = check_media_type(type)))
         return hr;
+    if (FAILED(hr = IMFMediaType_GetUINT32(type, &MF_MT_AUDIO_BLOCK_ALIGNMENT, &block_alignment)))
+        return MF_E_INVALIDMEDIATYPE;
     if (flags & MFT_SET_TYPE_TEST_ONLY)
         return S_OK;
 
@@ -395,9 +386,12 @@ static HRESULT WINAPI transform_SetInputType(IMFTransform *iface, DWORD id, IMFM
         impl->output_type = NULL;
     }
 
-    if (FAILED(hr = IMFMediaType_CopyAllItems(type, (IMFAttributes *)impl->input_type)))
+    if (SUCCEEDED(hr = IMFMediaType_CopyAllItems(type, (IMFAttributes *)impl->input_type)))
+        impl->input_info.cbSize = block_alignment;
+    else
     {
         IMFMediaType_Release(impl->input_type);
+        impl->input_info.cbSize = 0;
         impl->input_type = NULL;
     }
 
@@ -407,6 +401,7 @@ static HRESULT WINAPI transform_SetInputType(IMFTransform *iface, DWORD id, IMFM
 static HRESULT WINAPI transform_SetOutputType(IMFTransform *iface, DWORD id, IMFMediaType *type, DWORD flags)
 {
     struct resampler *impl = impl_from_IMFTransform(iface);
+    UINT32 block_alignment;
     HRESULT hr;
 
     TRACE("iface %p, id %#lx, type %p, flags %#lx.\n", iface, id, type, flags);
@@ -416,6 +411,8 @@ static HRESULT WINAPI transform_SetOutputType(IMFTransform *iface, DWORD id, IMF
 
     if (FAILED(hr = check_media_type(type)))
         return hr;
+    if (FAILED(hr = IMFMediaType_GetUINT32(type, &MF_MT_AUDIO_BLOCK_ALIGNMENT, &block_alignment)))
+        return MF_E_INVALIDMEDIATYPE;
     if (flags & MFT_SET_TYPE_TEST_ONLY)
         return S_OK;
 
@@ -428,10 +425,12 @@ static HRESULT WINAPI transform_SetOutputType(IMFTransform *iface, DWORD id, IMF
     if (FAILED(hr = try_create_wg_transform(impl)))
         goto failed;
 
+    impl->output_info.cbSize = block_alignment;
     return hr;
 
 failed:
     IMFMediaType_Release(impl->output_type);
+    impl->output_info.cbSize = 0;
     impl->output_type = NULL;
     return hr;
 }
@@ -940,6 +939,9 @@ HRESULT resampler_create(IUnknown *outer, IUnknown **out)
     impl->refcount = 1;
     impl->outer = outer ? outer : &impl->IUnknown_inner;
 
+    impl->input_info.cbAlignment = 1;
+    impl->output_info.cbAlignment = 1;
+
     *out = &impl->IUnknown_inner;
     TRACE("Created %p\n", *out);
     return S_OK;