This filter modifies the input frame.
---
libavfilter/vf_fieldorder.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/vf_fieldorder.c b/libavfilter/vf_fieldorder.c
index e814785..5f0cc3b 100644
--- 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 }
--
1.7.10.4
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