vf_fieldorder: require write permissions

This filter modifies the input frame.
12 years ago · 4c973de9a5
parent 49dd71a6f1
commit 4c973de9a5
1 changed files with 1 additions and 1 deletions
--- a/libavfilter/vf_fieldorder.c
+++ b/libavfilter/vf_fieldorder.c
@ -184,7 +184,7 @@ static const AVFilterPad avfilter_vf_fieldorder_inputs[] = {
        .config_props     = config_input,
        .get_video_buffer = get_video_buffer,
        .filter_frame     = filter_frame,
-        .min_perms        = AV_PERM_READ,
+        .min_perms        = AV_PERM_READ | AV_PERM_WRITE,
        .rej_perms        = AV_PERM_REUSE2 | AV_PERM_PRESERVE,
    },
    { NULL }