avfilter_insert_pad  615 libavfilter/avfilter.h void avfilter_insert_pad(unsigned idx, unsigned *count, size_t padidx_off,
avfilter_insert_pad  623 libavfilter/avfilter.h     avfilter_insert_pad(index, &f->input_count, offsetof(AVFilterLink, dstpad),
avfilter_insert_pad  631 libavfilter/avfilter.h     avfilter_insert_pad(index, &f->output_count, offsetof(AVFilterLink, srcpad),