[PATCH v4 3/4] winegstreamer: Translate the MF_MT_DEFAULT_STRIDE attribute to flipped video in mf_media_type_to_wg_format().

[Zebediah Figura]

From: Zebediah Figura

---
 dlls/winegstreamer/mfplat.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/dlls/winegstreamer/mfplat.c b/dlls/winegstreamer/mfplat.c
index 257ffb381a8..af164614b43 100644
--- a/dlls/winegstreamer/mfplat.c
+++ b/dlls/winegstreamer/mfplat.c
@@ -699,7 +699,7 @@ static void mf_media_type_to_wg_format_video(IMFMediaType *type, const GUID *sub
 {
     UINT64 frame_rate, frame_size;
     MFVideoArea aperture;
-    UINT32 size;
+    UINT32 size, stride;

if (FAILED(IMFMediaType_GetUINT64(type, &MF_MT_FRAME_SIZE, &frame_size)))
     {
@@ -729,6 +729,14 @@ static void mf_media_type_to_wg_format_video(IMFMediaType *type, const GUID *sub
     }

format->u.video.format = mf_video_format_to_wg(subtype);
+
+    if (SUCCEEDED(IMFMediaType_GetUINT32(type, &MF_MT_DEFAULT_STRIDE, &stride)))
+    {
+        if (wg_video_format_is_rgb(format->u.video.format))
+            format->u.video.height = -format->u.video.height;
+        if ((int)stride < 0)
+            format->u.video.height = -format->u.video.height;
+    }
 }

static void mf_media_type_to_wg_format_audio_wma(IMFMediaType *type, const GUID *subtype, struct wg_format *format)