On Wed, 27 Feb 2019, Mark Thompson wrote:

This can be used to add region of interest side data to video frames.
---
libavfilter/Makefile     |   1 +
libavfilter/allfilters.c |   1 +
libavfilter/vf_addroi.c  | 237 +++++++++++++++++++++++++++++++++++++++
3 files changed, 239 insertions(+)
create mode 100644 libavfilter/vf_addroi.c

[...]

+static const AVFilterPad addroi_inputs[] = {
+    {
+        .name         = "default",
+        .type         = AVMEDIA_TYPE_VIDEO,
+        .config_props = addroi_config_input,
+        .filter_frame = addroi_filter_frame,

Please use the activate callback of AVFilter context instead.

Thanks,
Marton
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