Zebediah Figura : quartz/vmr9: Invert only RGB video.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: c4f92087af906e869253f1d184f414691155d3ab
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=c4f92087af906e869253f1d18...

Author: Zebediah Figura 
Date:   Fri Jun 19 19:50:15 2020 -0500

quartz/vmr9: Invert only RGB video.

Signed-off-by: Zebediah Figura 
Signed-off-by: Alexandre Julliard

---

dlls/quartz/vmr9.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dlls/quartz/vmr9.c b/dlls/quartz/vmr9.c
index bee5a10718..d4331d321d 100644
--- a/dlls/quartz/vmr9.c
+++ b/dlls/quartz/vmr9.c
@@ -279,7 +279,7 @@ static HRESULT WINAPI VMR9_DoRenderSample(struct strmbase_renderer *iface, IMedi
         return hr;
     }

-    if (height > 0)
+    if (height > 0 && bitmap_header->biCompression == BI_RGB)
     {
         BYTE *dst = (BYTE *)locked_rect.pBits + (height * locked_rect.Pitch);
         const BYTE *src = data;
@@ -298,6 +298,8 @@ static HRESULT WINAPI VMR9_DoRenderSample(struct strmbase_renderer *iface, IMedi
         BYTE *dst = locked_rect.pBits;
         const BYTE *src = data;

+        height = abs(height);
+
         TRACE("Source pitch %u does not match dest pitch %u; copying manually.\n",
                 src_pitch, locked_rect.Pitch);