[PATCH v3 04/12] winegstreamer: Implement ::GetInputAvailableType for audio conversion transform.

[Derek Lesho]

Signed-off-by: Derek Lesho 
---
v3: Discard usage of raw_types.
---
 dlls/winegstreamer/audioconvert.c | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

diff --git a/dlls/winegstreamer/audioconvert.c b/dlls/winegstreamer/audioconvert.c
index 35b984618de..9d7e9da9d3a 100644
--- a/dlls/winegstreamer/audioconvert.c
+++ b/dlls/winegstreamer/audioconvert.c
@@ -147,9 +147,35 @@ static HRESULT WINAPI audio_converter_AddInputStreams(IMFTransform *iface, DWORD
 static HRESULT WINAPI audio_converter_GetInputAvailableType(IMFTransform *iface, DWORD id, DWORD index,
         IMFMediaType **type)
 {
-    FIXME("%p, %u, %u, %p.\n", iface, id, index, type);
+    IMFMediaType *ret;
+    HRESULT hr;

-    return E_NOTIMPL;
+    TRACE("%p, %u, %u, %p.\n", iface, id, index, type);
+
+    if (id != 0)
+        return MF_E_INVALIDSTREAMNUMBER;
+
+    if (index >= 2)
+        return MF_E_NO_MORE_TYPES;
+
+    if (FAILED(hr = MFCreateMediaType(&ret)))
+        return hr;
+
+    if (FAILED(hr = IMFMediaType_SetGUID(ret, &MF_MT_MAJOR_TYPE, &MFMediaType_Audio)))
+    {
+        IMFMediaType_Release(ret);
+        return hr;
+    }
+
+    if (FAILED(hr = IMFMediaType_SetGUID(ret, &MF_MT_SUBTYPE, index ? &MFAudioFormat_Float : &MFAudioFormat_PCM)))
+    {
+        IMFMediaType_Release(ret);
+        return hr;
+    }
+
+    *type = ret;
+
+    return S_OK;
 }

static HRESULT WINAPI audio_converter_GetOutputAvailableType(IMFTransform *iface, DWORD id, DWORD index,