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authorAnton Khirnov <anton@khirnov.net>2021-11-22 14:39:11 +0100
committerAnton Khirnov <anton@khirnov.net>2021-12-04 14:07:19 +0100
commitb9c928a486fda3c0d79b153591ac86beb1c53708 (patch)
tree4cbc1fe372de041aa3a147c60a31bf5fba532356 /libavfilter/vf_null.c
parent944c34a94c3150fc84816c3288cc6f2143f1581b (diff)
downloadffmpeg-b9c928a486fda3c0d79b153591ac86beb1c53708.tar.gz
avfilter: add AVFILTER_FLAG_METADATA_ONLY
This flag allows distinguishing between filters that actually modify the data and those that only modify metadata or gather some stream information.
Diffstat (limited to 'libavfilter/vf_null.c')
-rw-r--r--libavfilter/vf_null.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavfilter/vf_null.c b/libavfilter/vf_null.c
index 33b1185ce0..fa80e2a102 100644
--- a/libavfilter/vf_null.c
+++ b/libavfilter/vf_null.c
@@ -43,6 +43,7 @@ static const AVFilterPad avfilter_vf_null_outputs[] = {
const AVFilter ff_vf_null = {
.name = "null",
.description = NULL_IF_CONFIG_SMALL("Pass the source unchanged to the output."),
+ .flags = AVFILTER_FLAG_METADATA_ONLY,
FILTER_INPUTS(avfilter_vf_null_inputs),
FILTER_OUTPUTS(avfilter_vf_null_outputs),
};