Rémi Bernon : windowscodecs: Use IWICComponentFactory_CreateQueryReaderFromBlockReader in GetMetadataQueryReader.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b44fb04759b17f60f85f395ad3ad537e423e8d89
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=b44fb04759b17f60f85f395ad...

Author: Rémi Bernon 
Date:   Mon Jan 25 10:20:15 2021 +0100

windowscodecs: Use IWICComponentFactory_CreateQueryReaderFromBlockReader in GetMetadataQueryReader.

Instead of MetadataQueryReader_CreateInstance.

Signed-off-by: Rémi Bernon 
Signed-off-by: Esme Povirk 
Signed-off-by: Alexandre Julliard

---

dlls/windowscodecs/decoder.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/dlls/windowscodecs/decoder.c b/dlls/windowscodecs/decoder.c
index b05d50dfea9..b0fcd34c742 100644
--- a/dlls/windowscodecs/decoder.c
+++ b/dlls/windowscodecs/decoder.c
@@ -433,6 +433,8 @@ static HRESULT WINAPI CommonDecoderFrame_GetMetadataQueryReader(IWICBitmapFrameD
     IWICMetadataQueryReader **ppIMetadataQueryReader)
 {
     CommonDecoderFrame *This = impl_from_IWICBitmapFrameDecode(iface);
+    IWICComponentFactory* factory;
+    HRESULT hr;

TRACE("(%p,%p)\n", iface, ppIMetadataQueryReader);

@@ -442,7 +444,18 @@ static HRESULT WINAPI CommonDecoderFrame_GetMetadataQueryReader(IWICBitmapFrameD
     if (!(This->parent->file_info.flags & WICBitmapDecoderCapabilityCanEnumerateMetadata))
         return WINCODEC_ERR_UNSUPPORTEDOPERATION;

-    return MetadataQueryReader_CreateInstance(&This->IWICMetadataBlockReader_iface, NULL, ppIMetadataQueryReader);
+    hr = create_instance(&CLSID_WICImagingFactory, &IID_IWICComponentFactory, (void**)&factory);
+
+    if (SUCCEEDED(hr))
+    {
+        hr = IWICComponentFactory_CreateQueryReaderFromBlockReader(factory, &This->IWICMetadataBlockReader_iface, ppIMetadataQueryReader);
+        IWICComponentFactory_Release(factory);
+    }
+
+    if (FAILED(hr))
+        *ppIMetadataQueryReader = NULL;
+
+    return hr;
 }

static HRESULT WINAPI CommonDecoderFrame_GetColorContexts(IWICBitmapFrameDecode *iface,