1 files changed, 5 insertions, 2 deletions
diff --git a/video/img_format.h b/video/img_format.h
index 77d722f7c9..f88592e7f9 100644
--- a/video/img_format.h
+++ b/video/img_format.h
@@ -202,11 +202,14 @@ enum mp_imgfmt {
     // structures, instead of pixel data.
     IMGFMT_VDPAU,           // VdpVideoSurface
     IMGFMT_VDPAU_OUTPUT,    // VdpOutputSurface
-    IMGFMT_VDA,
-    IMGFMT_VIDEOTOOLBOX,
     IMGFMT_VAAPI,
     IMGFMT_DXVA2,           // IDirect3DSurface9 (NV12)
     IMGFMT_MMAL,            // MMAL_BUFFER_HEADER_T
+    // These use the same underlying format, but FFmpeg requires us to keep
+    // them separate. The VDA decoder will change the format to
+    // IMGFMT_VIDEOTOOLBOX, though.
+    IMGFMT_VIDEOTOOLBOX,
+    IMGFMT_VDA,
 
     // Generic pass-through of AV_PIX_FMT_*. Used for formats which don't have
     // a corresponding IMGFMT_ value.