Ziqing Hui : winegstreamer: Implement Flush for WMV decoder DMO.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 8e3f316cc9fb7bb9a384986b19b6978ed671b6aa
URL:    https://gitlab.winehq.org/wine/wine/-/commit/8e3f316cc9fb7bb9a384986b19b6978...

Author: Ziqing Hui <zhui(a)codeweavers.com>
Date:   Wed Jun 14 10:20:39 2023 +0800

winegstreamer: Implement Flush for WMV decoder DMO.

---

 dlls/mf/tests/transform.c        |  3 ---
 dlls/winegstreamer/wmv_decoder.c | 13 +++++++++++--
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/dlls/mf/tests/transform.c b/dlls/mf/tests/transform.c
index 1eb0fd2c719..9ba1dfc9660 100644
--- a/dlls/mf/tests/transform.c
+++ b/dlls/mf/tests/transform.c
@@ -6392,10 +6392,8 @@ static void test_wmv_decoder_media_object(void)
     hr = IMediaObject_ProcessInput(media_object, 0, &input_media_buffer->IMediaBuffer_iface, 0, 0, 0);
     ok(hr == S_OK, "ProcessInput returned %#lx.\n", hr);
     hr = IMediaObject_Flush(media_object);
-    todo_wine
     ok(hr == S_OK, "Flush returned %#lx.\n", hr);
     hr = IMediaObject_Flush(media_object);
-    todo_wine
     ok(hr == S_OK, "Flush returned %#lx.\n", hr);
     output_media_buffer->length = 0;
     output_data_buffer.pBuffer = &output_media_buffer->IMediaBuffer_iface;
@@ -6405,7 +6403,6 @@ static void test_wmv_decoder_media_object(void)
     hr = IMediaObject_ProcessOutput(media_object, 0, 1, &output_data_buffer, &status);
     todo_wine
     ok(hr == S_FALSE, "ProcessOutput returned %#lx.\n", hr);
-    todo_wine
     ok(output_media_buffer->length == 0, "Unexpected length %#lx.\n", output_media_buffer->length);
 
     /* Test ProcessOutput with setting framerate. */
diff --git a/dlls/winegstreamer/wmv_decoder.c b/dlls/winegstreamer/wmv_decoder.c
index 32dbbbbe686..d6c95cbd526 100644
--- a/dlls/winegstreamer/wmv_decoder.c
+++ b/dlls/winegstreamer/wmv_decoder.c
@@ -657,8 +657,17 @@ static HRESULT WINAPI media_object_SetInputMaxLatency(IMediaObject *iface, DWORD
 
 static HRESULT WINAPI media_object_Flush(IMediaObject *iface)
 {
-    FIXME("iface %p stub!\n", iface);
-    return E_NOTIMPL;
+    struct wmv_decoder *decoder = impl_from_IMediaObject(iface);
+    HRESULT hr;
+
+    TRACE("iface %p.\n", iface);
+
+    if (FAILED(hr = wg_transform_flush(decoder->wg_transform)))
+        return hr;
+
+    wg_sample_queue_flush(decoder->wg_sample_queue, TRUE);
+
+    return S_OK;
 }
 
 static HRESULT WINAPI media_object_Discontinuity(IMediaObject *iface, DWORD index)