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Comment: Added Transcoding API

The Transcoding API will consist of a set of lightweight Ruby classes that will be able to initiate transcoding jobs, distribute derivative files, track/poll job status, and perform common maintenance tasks such as prioritization, cancellation, and cleanup.


ConsumerApplication code that makes use of the Transcoding API.

The set of classes and methods that make a given Transcoder available to a Consumer via the methods defined in the Transcoding API

JobA single piece of transcoding work

An implementation-specific provider of transcoding services. Examples include OpenCast Matterhorn, Kaltura, Zencoder, and Amazon Elastic Transcoder.

Transcoding APIThe set of classes and methods that can be used to initiate, track and manipulate trancoding jobs.



An abstract model that serves as the reference for an Implementation.

Class Methods

create(input, output, opts={})

Begin a transcoding operation. Returns a job.



Load and return a single job.



Find all jobs currently in the given state(s).

Instance attributes

  • job_id
  • state
  • current_operations
  • errors
  • original_filename
  • tech_metadata

Instance Methods

  • cancel!
  • canceled?
  • complete?
  • purge!
  • running?
  • update!

Chris's F2F Notes

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