Grass Valley iTX System v.2.6 - Manual (Page 377)

Using iTX Workflow
The File Copy Service can run on a machine with other iTX services.
Media Rules and MediaFlow Processes
In the design of a workflow process, a number of workflow activities are combined to form a
workflow definition. Designing workflows can be complex and normally requires the skills of a
Grass Valley workflow designer.
In the iTX installation folder, however, there are a number of components that contain
prepared workflow definitions. You can install these components and configure them to suit
individual system requirements. The components fall into two types: Media Rules and
MediaFlow Processes.
Media Rules are workflow definitions for automated processes; they prompt the Workflow
Service to create jobs at specified times for assets that meet specified criteria. In iTX v2, there
are three available Media Rules:
• Keyframe All causes the Workflow Service to create keyframe-generation jobs. The
jobs are to find video clips that meet certain criteria and create keyframes for them.
• Proxy All causes the Workflow Service to create proxy-generation jobs. The jobs are to
find video clips that meet certain criteria and create proxy files for them.
• Purge Expired Assets causes the Workflow Service to find and delete assets that have
an expiry date that has passed.
Media Flow Processes are workflow definitions for manually triggered jobs; they include details
of job properties. In iTX v2, there are two available MediaFlow Process:
• Export Asset causes the Workflow Service to create file-copying jobs. The jobs are to
copy selected video files to a specified location. The location is a property of the Media
Flow Process.
• Multi-Domain Content Transfer causes the Workflow process to create multi-domain
content-transfer jobs. The jobs are to copy selected media files and metadata from a
remote domain to the local domain.
Installing ITX Workflow components
All iTX systems that use ITX Workflow require the Workflow Service.
Depending on what types of job a system is to handle, other services and components are
required to interact with the Workflow Service. You need to install various iTX software
modules, as we describe below, by selecting them when running the iTX installer.
Selection of software modules
To enable iTX to use ITX Workflow, you need to install this module from the Workflow
Category:
• The Workflow Server.
To enable the system to perform particular jobs, you need to install job-provider modules from
the Content Management category:
• The File Copy Server.
March 2015 System Administrator Guide Page 377 of 404