Zebediah Figura : winegstreamer: Translate the MF_MT_DEFAULT_STRIDE attribute to flipped video in mf_media_type_to_wg_format().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: af82c44e03ab5355f60b0796b5420b3688ea86a3
URL:    https://gitlab.winehq.org/wine/wine/-/commit/af82c44e03ab5355f60b0796b5420b3...

Author: Zebediah Figura <zfigura(a)codeweavers.com>
Date:   Tue Jan 24 15:59:45 2023 -0600

winegstreamer: Translate the MF_MT_DEFAULT_STRIDE attribute to flipped video in mf_media_type_to_wg_format().

---

 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)