swscale/input: Fix GBRAP16 input

[ffmpeg] / libavdevice / gdigrab.c

diff --git a/libavdevice/gdigrab.c b/libavdevice/gdigrab.c
index 4428a34ee7f5044e02238d68ab000df349e206d1..7db587cd97ee3d37008dd62d4e34abe0abc3011b 100644 (file)
--- a/libavdevice/gdigrab.c
+++ b/libavdevice/gdigrab.c
@@ -446,6 +446,8 @@ static void paint_mouse_pointer(AVFormatContext *s1, struct gdigrab *gdigrab)
         POINT pos;
         RECT clip_rect = gdigrab->clip_rect;
         HWND hwnd = gdigrab->hwnd;
+        int vertres = GetDeviceCaps(gdigrab->source_hdc, VERTRES);
+        int desktopvertres = GetDeviceCaps(gdigrab->source_hdc, DESKTOPVERTRES);
         info.hbmMask = NULL;
         info.hbmColor = NULL;
 
@@ -479,6 +481,10 @@ static void paint_mouse_pointer(AVFormatContext *s1, struct gdigrab *gdigrab)
             }
         }
 
+        //that would keep the correct location of mouse with hidpi screens
+        pos.x = pos.x * desktopvertres / vertres;
+        pos.y = pos.y * desktopvertres / vertres;
+
         av_log(s1, AV_LOG_DEBUG, "Cursor pos (%li,%li) -> (%li,%li)\n",
                 ci.ptScreenPos.x, ci.ptScreenPos.y, pos.x, pos.y);