[FFmpeg-cvslog] lavfi/overlay_vaapi: set input region for overlay video to NULL

[Haihao Xiang]

ffmpeg | branch: master | Haihao Xiang <haihao.xiang at intel.com> | Wed Apr 12 10:32:51 2023 +0800| [2aad9765efa9affbe5e1184873e839d5ffacbcd9] | committer: Haihao Xiang

lavfi/overlay_vaapi: set input region for overlay video to NULL

Otherwise main and overlay videos share the same input region. Note NULL
pointer imples the whole overlay video will be processed.

Signed-off-by: Haihao Xiang <haihao.xiang at intel.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2aad9765efa9affbe5e1184873e839d5ffacbcd9
---

 libavfilter/vf_overlay_vaapi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavfilter/vf_overlay_vaapi.c b/libavfilter/vf_overlay_vaapi.c
index 16d1e0e211..92227ead7f 100644
--- a/libavfilter/vf_overlay_vaapi.c
+++ b/libavfilter/vf_overlay_vaapi.c
@@ -237,6 +237,7 @@ static int overlay_vaapi_blend(FFFrameSync *fs)
         params[1].blend_state = &blend_state;
 
         params[1].surface       = (VASurfaceID)(uintptr_t)input_overlay->data[3];
+        params[1].surface_region = NULL;
         params[1].output_region = &overlay_region;
     }