Ziqing Hui : winegstreamer/aac_decoder: Support clearing media types.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 19d6a0177d743c1b471d5fb5692dfba23ca12c2b
URL:    https://gitlab.winehq.org/wine/wine/-/commit/19d6a0177d743c1b471d5fb5692dfba...

Author: Ziqing Hui <zhui(a)codeweavers.com>
Date:   Wed Jun 26 16:22:17 2024 +0800

winegstreamer/aac_decoder: Support clearing media types.

---

 dlls/winegstreamer/aac_decoder.c | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/dlls/winegstreamer/aac_decoder.c b/dlls/winegstreamer/aac_decoder.c
index 2cf605bc56c..d8e8246e1ca 100644
--- a/dlls/winegstreamer/aac_decoder.c
+++ b/dlls/winegstreamer/aac_decoder.c
@@ -324,6 +324,27 @@ static HRESULT WINAPI transform_SetInputType(IMFTransform *iface, DWORD id, IMFM
     if (id)
         return MF_E_INVALIDSTREAMNUMBER;
 
+    if (!type)
+    {
+        if (decoder->input_type)
+        {
+            IMFMediaType_Release(decoder->input_type);
+            decoder->input_type = NULL;
+        }
+        if (decoder->output_type)
+        {
+            IMFMediaType_Release(decoder->output_type);
+            decoder->output_type = NULL;
+        }
+        if (decoder->wg_transform)
+        {
+            wg_transform_destroy(decoder->wg_transform);
+            decoder->wg_transform = 0;
+        }
+
+        return S_OK;
+    }
+
     if (FAILED(hr = MFCreateWaveFormatExFromMFMediaType(type, (WAVEFORMATEX **)&format, &size,
             MFWaveFormatExConvertFlag_ForceExtensible)))
         return hr;
@@ -364,6 +385,23 @@ static HRESULT WINAPI transform_SetOutputType(IMFTransform *iface, DWORD id, IMF
 
     if (id)
         return MF_E_INVALIDSTREAMNUMBER;
+
+    if (!type)
+    {
+        if (decoder->output_type)
+        {
+            IMFMediaType_Release(decoder->output_type);
+            decoder->input_type = NULL;
+        }
+        if (decoder->wg_transform)
+        {
+            wg_transform_destroy(decoder->wg_transform);
+            decoder->wg_transform = 0;
+        }
+
+        return S_OK;
+    }
+
     if (!decoder->input_type)
         return MF_E_TRANSFORM_TYPE_NOT_SET;