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Zencoder integration gem.

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Zencoder

The gem for interacting with the API on Zencoder.

See http://zencoder.com/docs/api for more details on the API.

Tested on the following versions of Ruby:

  • Ruby 1.8.6-p420
  • Ruby 1.8.7-p249
  • Ruby 1.8.7-p352
  • Ruby 1.9.2-p290
  • Ruby 1.9.3-p0
  • Ruby 2.0.0-p353
  • Rubinius 2.0.0dev
  • jRuby 1.6.5

v2.4 WARNING!!!

Version 2.4 brings some significant changes to the gem, ones which you should be aware of:

  • Removed dependency on activesupport. This means that the keys of your hashes should all be symbols except in the case of HTTP headers.
  • Added dependency on multi_json. This gem allows encoding and decoding to and from JSON without all the baggage of activesupport.
  • Removed support for XML requests. Since we're doing all the encoding and decoding in the gem, it didn't make sense to support it any longer. You could still conceivably do this with the gem, but you'd need to encode and decode to and from XML yourself and pass appropriate headers. Let us know if this is a problem for you.
  • Using header authentication by default. Zencoder has always allowed the passing of the API key as an HTTP header (Zencoder-Api-Key), but in this library we've traditionally merged it in with your requests. In at least one case this would result in messy deserialization and serialization of parameters. Using this alternative authentication method clears up this problem.
  • Some actions only work on future versions of the API. See the section titled APIv2 below.
  • Now defaults to API v2. If you'd like to continue using API v1, you should change the base_url as outlined in the section titled APIv2 below.
  • The Zencoder SSL CA chain is now bundled. Previously when you used the default HTTP backend (Net::HTTP), we would try to detect the CA path on your system and use it. This led to some frustration for some users and was generally unreliable. We now bundle our SSL CA chain in the library which should make integration easier. Please note that if you were using Zencoder::HTTP::NetHTTP.root_cert_paths or Zencoder::HTTP::NetHTTP.skip_setting_root_cert_path, they have been removed.

APIv2

With the release of version two of the Zencoder API, there are some new methods available to you.

  • Zencoder::Job.progress(job_id)
  • Zencoder::Input.details(input_id)
  • Zencoder::Input.progress(input_id)
  • Zencoder::Output.details(output_id)
  • Zencoder::Report.minutes(:from => "2011-01-01", :to => "2011-03-01")
  • Zencoder::Report.all(:from => "2011-01-01", :to => "2011-03-01")
  • Zencoder::Report.live(:from => "2011-01-01", :to => "2011-03-01")
  • Zencoder::Report.vod(:from => "2011-01-01", :to => "2011-03-01")

These new methods will not work with older versions of the API. Please see the Zencoder documentation and our blog post on the subject for more information on APIv2.

If you'd like to use the new version of the library but continue using APIv1 until you work through any integration troubles, you can do the following:

Zencoder.base_url = "https://app.zencoder.com/api/v1"

Getting Started

To install the gem on Rails, simply add it to your Gemfile:

gem "zencoder", "~> 2.0"

The first thing you'll need to interact with the Zencoder API is your API key. You can use your API key in one of three ways. The first and easiest is to set it and forget it on the Zencoder module like so:

Zencoder.api_key = 'abcd1234'

Alternatively, you can use an environment variable:

ENV['ZENCODER_API_KEY'] = 'abcd1234'

You can also pass your API key in every request, but who wants to do that?

Responses

All calls in the Zencoder library either raise Zencoder::HTTPError or return a Zencoder::Response.

A Zencoder::Response can be used as follows:

response = Zencoder::Job.list
response.success?     # => true if the response code was 200 through 299
response.code         # => 200
response.body         # => the JSON-parsed body or raw body if unparseable
response.raw_body     # => the body pre-JSON-parsing
response.raw_response # => the raw Net::HTTP or Typhoeus response (see below for how to use Typhoeus)
response.request      # => the request object, you can inspect it if you need details on the request to debug it

Parameters

When sending API request parameters you can specify them as a non-string object, which we'll then serialize to JSON:

Zencoder::Job.create({:input => 's3://bucket/key.mp4'})

Or you can specify them as a string, which we'll just pass along as the request body:

Zencoder::Job.create('{"input": "s3://bucket/key.mp4"}')

Jobs

There's more you can do on jobs than anything else in the API. The following methods are available: list, create, details, resubmit, cancel, delete.

create

The hash you pass to the create method should be encodable to the JSON you would pass to the Job creation API call on Zencoder. We'll auto-populate your API key if you've set it already.

Zencoder::Job.create({:input => 's3://bucket/key.mp4'})
Zencoder::Job.create({:input => 's3://bucket/key.mp4',
                      :outputs => [{:label => 'vp8 for the web',
                                    :url => 's3://bucket/key_output.webm'}]})
Zencoder::Job.create({:input => 's3://bucket/key.mp4', :api_key => 'abcd1234'})

This returns a Zencoder::Response object. The body includes a Job ID, and one or more Output IDs (one for every output file created).

response = Zencoder::Job.create({:input => 's3://bucket/key.mp4'})
response.code            # => 201
response.body['id']      # => 12345

list

By default the jobs listing is paginated with 50 jobs per page and sorted by ID in descending order. You can pass two parameters to control the paging: page and per_page.

Zencoder::Job.list
Zencoder::Job.list(:per_page => 10)
Zencoder::Job.list(:per_page => 10, :page => 2)
Zencoder::Job.list(:per_page => 10, :page => 2, :api_key => 'abcd1234')

details

The number passed to details is the ID of a Zencoder job.

Zencoder::Job.details(1)
Zencoder::Job.details(1, :api_key => 'abcd1234')

progress

The number passed to progress is the ID of a Zencoder job.

Zencoder::Job.progress(1)
Zencoder::Job.progress(1, :api_key => 'abcd1234')

resubmit

The number passed to resubmit is the ID of a Zencoder job.

Zencoder::Job.resubmit(1)
Zencoder::Job.resubmit(1, :api_key => 'abcd1234')

cancel

The number passed to cancel is the ID of a Zencoder job.

Zencoder::Job.cancel(1)
Zencoder::Job.cancel(1, :api_key => 'abcd1234')

delete

The number passed to delete is the ID of a Zencoder job.

Zencoder::Job.delete(1)
Zencoder::Job.delete(1, :api_key => 'abcd1234')

Inputs

details

The number passed to details is the ID of a Zencoder input.

Zencoder::Input.details(1)
Zencoder::Input.details(1, :api_key => 'abcd1234')

progress

The number passed to progress is the ID of a Zencoder input.

Zencoder::Input.progress(1)
Zencoder::Input.progress(1, :api_key => 'abcd1234')

Outputs

details

The number passed to details is the ID of a Zencoder output.

Zencoder::Output.details(1)
Zencoder::Output.details(1, :api_key => 'abcd1234')

progress

Important: the number passed to progress is the output file ID, not the Job ID.

Zencoder::Output.progress(1)
Zencoder::Output.progress(1, :api_key => 'abcd1234')

Notifications

list

By default the jobs listing is paginated with 50 jobs per page and sorted by ID in descending order. You can pass three parameters to control the paging: page, per_page, and since_id. Passing since_id will return notifications for jobs created after the job with the given ID.

Zencoder::Notification.list
Zencoder::Notification.list(:per_page => 10)
Zencoder::Notification.list(:per_page => 10, :page => 2)
Zencoder::Notification.list(:per_page => 10, :page => 2, :since_id => 20)
Zencoder::Notification.list(:api_key => 'abcd1234')

Accounts

create

The hash you pass to the create method should be encodable to the JSON you would pass to the Account creation API call on Zencoder. No API key is required for this call, of course.

Zencoder::Account.create({:terms_of_service => 1,
                          :email => 'bob@example.com'})
Zencoder::Account.create({:terms_of_service => 1,
                          :email => 'bob@example.com',
                          :password => 'abcd1234',
                          :affiliate_code => 'abcd1234'})

details

Zencoder::Account.details
Zencoder::Account.details(:api_key => 'abcd1234')

integration

This will put your account into integration mode (site-wide).

Zencoder::Account.integration
Zencoder::Account.integration(:api_key => 'abcd1234')

live

This will put your account into live mode (site-wide).

Zencoder::Account.live
Zencoder::Account.live(:api_key => 'abcd1234')

Reports

minutes

This will list the minutes used for your account within a certain, configurable range.

Zencoder::Report.minutes(:from => "2011-10-30", :to => "2011-11-24")

all

This will list all usage, including VOD and Live for your account within a certain, configurable range.

Zencoder::Report.all(:from => "2011-10-30", :to => "2011-11-24")

vod

This will list just VOD usage for your account within a certain, configurable range.

Zencoder::Report.vod(:from => "2011-10-30", :to => "2011-11-24")

live

This will list just Live usage for your account within a certain, configurable range.

Zencoder::Report.live(:from => "2011-10-30", :to => "2011-11-24")

Advanced HTTP

Alternate HTTP Libraries

By default this library will use Net::HTTP to make all API calls. You can change the backend or add your own:

require 'typhoeus'
Zencoder::HTTP.http_backend = Zencoder::HTTP::Typhoeus

require 'my_favorite_http_library'
Zencoder::HTTP.http_backend = MyFavoriteHTTPBackend

See the HTTP backends in this library to get started on your own.

Advanced Options

A secondary options hash can be passed to any method call which will then be passed on to the HTTP backend. You can pass timeout (in milliseconds), headers, and params (will be added to the query string) to any of the backends. If you are using Typhoeus, see their documentation for further options. In the following example the timeout is set to one second:

Zencoder::Job.create({:input => 's3://bucket/key.mp4'}, {:timeout => 1000})

SSL Verification

We will use our bundled SSL CA chain for SSL peer verification which should almost always work without a hitch. However, if you'd like to skip SSL verification you can pass an option in the secondary options hash.

NOTE: WE HIGHLY DISCOURAGE THIS! THIS WILL LEAVE YOU VULNERABLE TO MAN-IN-THE-MIDDLE ATTACKS!

Zencoder::Job.create({:input => 's3://bucket/key.mp4'}, {:skip_ssl_verify => true})

Alternatively you can add it to the default options.

Zencoder::HTTP.default_options.merge!(:skip_ssl_verify => true)

Default Options

Default options are passed to the HTTP backend. These can be retrieved and modified.

Zencoder::HTTP.default_options = {:timeout => 3000,
                                  :headers => {'Accept' => 'application/json',
                                               'Content-Type' => 'application/json'}}

Advanced JSON

Alternate JSON Libraries

This library uses the multi_json gem to encode and decode JSON. This fantastic gem lets you swap out the JSON backend at will and includes a working JSON encoder/decoder. You can check the MultiJson project for more information on how to accomplish this.

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