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  • Modifier la date de publication

    21 juin 2013, par

    Comment changer la date de publication d’un média ?
    Il faut au préalable rajouter un champ "Date de publication" dans le masque de formulaire adéquat :
    Administrer > Configuration des masques de formulaires > Sélectionner "Un média"
    Dans la rubrique "Champs à ajouter, cocher "Date de publication "
    Cliquer en bas de la page sur Enregistrer

  • Participer à sa traduction

    10 avril 2011

    Vous pouvez nous aider à améliorer les locutions utilisées dans le logiciel ou à traduire celui-ci dans n’importe qu’elle nouvelle langue permettant sa diffusion à de nouvelles communautés linguistiques.
    Pour ce faire, on utilise l’interface de traduction de SPIP où l’ensemble des modules de langue de MediaSPIP sont à disposition. ll vous suffit de vous inscrire sur la liste de discussion des traducteurs pour demander plus d’informations.
    Actuellement MediaSPIP n’est disponible qu’en français et (...)

  • Les autorisations surchargées par les plugins

    27 avril 2010, par

    Mediaspip core
    autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs

Sur d’autres sites (9113)

  • Normalize samples with ffmpeg

    5 avril 2017, par Steva

    I am writing application for music analysis. I wrote resampling module relying on ffmpeg. Currently, I have AV_SAMPLE_FMT_S16 but later I have converting to float, which can be time consuming.

    Because I need samples to be in some reasonable interval I need to do some kind of normalization, for AV_SAMPLE_FMT_FLT samples.

    So, how I can normalize samples which I get when I select AV_SAMPLE_FMT_FLT. Ideal interval would be -n to n, where n is greater than equal of 1.f

  • Rails 4.2.8 Using Paperclip With Resque

    27 mars 2017, par AntonioMarquis

    My application uploads training videos to a S3 bucket. I need the transcoding videos to be processed in the background so they don’t tie up the application. I want to use Resque on my dev machine and Heroku. But my jobs continue to fail.

    Model

    has_attached_file :video
    

    
process_in_background :video

    Gems

    gem 'aws-sdk', '< 2.0'
    
gem 'paperclip'
    
gem 'paperclip-av-transcoder'
    
gem "paperclip-ffmpeg"
    
gem "ffmpeg"
    
gem 'daemons'
    
gem 'delayed_paperclip'
    
gem 'nokogiri'#, '~> 1.5.9'
    
gem 'rmagick'
    
gem 'resque', "~> 1.22.0"

    Output from Failed Jobs

    Class ActiveJob::QueueAdapters::ResqueAdapter::JobWrapper
    

    
Arguments {"job_class"=>"DelayedPaperclip::Jobs::ActiveJob", "job_id"=>"111e4f9d-942d-4613-b3cb-0e884581249f", "queue_name"=>"paperclip", "arguments"=>["Video", 30, "source"], "locale"=>"en"}
    

    
Exception NoMethodError
    

    
Error undefined method `call' for "result == false":String
    

    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:165:in `block in halting'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:504:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:504:in `block in call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:504:in `each'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:504:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:92:in `__run_callbacks__'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:778:in `_run_source_post_process_callbacks'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:81:in `run_callbacks'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/paperclip-3.5.4/lib/paperclip/callbacks.rb:26:in `run_paperclip_callbacks'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/paperclip-3.5.4/lib/paperclip/attachment.rb:419:in `block in post_process'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:88:in `__run_callbacks__'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:778:in `_run_post_process_callbacks'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:81:in `run_callbacks'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/paperclip-3.5.4/lib/paperclip/callbacks.rb:26:in `run_paperclip_callbacks'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/paperclip-3.5.4/lib/paperclip/attachment.rb:418:in `post_process'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/paperclip-3.5.4/lib/paperclip/attachment.rb:112:in `assign'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/paperclip-3.5.4/lib/paperclip/attachment.rb:322:in `reprocess!'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/delayed_paperclip-2.10.0/lib/delayed_paperclip/attachment.rb:68:in `process_delayed!'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/delayed_paperclip-2.10.0/lib/delayed_paperclip.rb:36:in `process_job'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/delayed_paperclip-2.10.0/lib/delayed_paperclip/jobs/active_job.rb:10:in `perform'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/activejob-4.2.8/lib/active_job/execution.rb:32:in `block in perform_now'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:117:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:117:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:555:in `block (2 levels) in compile'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:505:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:505:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:498:in `block (2 levels) in around'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:343:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:343:in `block (2 levels) in simple'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/i18n-0.8.1/lib/i18n.rb:257:in `with_locale'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/activejob-4.2.8/lib/active_job/translation.rb:7:in `block (2 levels) in '
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:441:in `instance_exec'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:441:in `block in make_lambda'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:342:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:342:in `block in simple'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:497:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:497:in `block in around'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:505:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:505:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:498:in `block (2 levels) in around'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:343:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:343:in `block (2 levels) in simple'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/activejob-4.2.8/lib/active_job/logging.rb:23:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/activejob-4.2.8/lib/active_job/logging.rb:23:in `block (4 levels) in '
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/notifications.rb:164:in `block in instrument'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/notifications.rb:164:in `instrument'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/activejob-4.2.8/lib/active_job/logging.rb:22:in `block (3 levels) in '
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/activejob-4.2.8/lib/active_job/logging.rb:43:in `block in tag_logger'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/tagged_logging.rb:68:in `block in tagged'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/tagged_logging.rb:26:in `tagged'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/tagged_logging.rb:68:in `tagged'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/activejob-4.2.8/lib/active_job/logging.rb:43:in `tag_logger'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/activejob-4.2.8/lib/active_job/logging.rb:19:in `block (2 levels) in '
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:441:in `instance_exec'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:441:in `block in make_lambda'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:342:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:342:in `block in simple'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:497:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:497:in `block in around'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:505:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:505:in `call'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:92:in `__run_callbacks__'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:778:in `_run_perform_callbacks'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551@global/gems/activesupport-4.2.8/lib/active_support/callbacks.rb:81:in `run_callbacks'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/activejob-4.2.8/lib/active_job/execution.rb:31:in `perform_now'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/activejob-4.2.8/lib/active_job/execution.rb:21:in `execute'
    
/Users/antoniomarquis/.rvm/gems/ruby-1.9.3-p551/gems/activejob-4.2.8/lib/active_job/queue_adapters/resque_adapter.rb:46:in `perform'
    
Powered by Resque v1.22.0
    
Connected to Redis namespace resque on redis://127.0.0.1:6379/0

  • Encoding error with Sidekiq

    14 mars 2017, par DavidK

    Im following this tutorial https://www.pubnub.com/blog/2015-12-08-building-video-sharing-app-server-messaging-ruby/ on Building a Video Sharing App. Its a bit outdated and Ive already had to fix a view issues to get this far but Im pretty lost now with this latest issue. I believe its something to do with sidekiq. When I try uploading a video it seems to work and shows up on the database, but I get a "Video is still being encoded." message.

    This is the log :

    2017-03-13T22:00:14.729Z 11109 TID-ova30dq94 WebmVideoEncoder JID-540aa74110e63e334a712719 INFO: fail: 0.122 sec
    
2017-03-13T22:00:14.730Z 11109 TID-ova30dq94 WARN: {"context":"Job raised exception","job":{"class":"WebmVideoEncoder","args":[3],"retry":true,"queue":"default","jid":"540aa74110e63e334a712719","created_at":1489441065.533313,"enqueued_at":1489442414.60714,"error_message":"exception class/object expected","error_class":"TypeError","failed_at":1489441065.541595,"retry_count":6,"retried_at":1489442414.7293491},"jobstr":"{\"class\":\"WebmVideoEncoder\",\"args\":[3],\"retry\":true,\"queue\":\"default\",\"jid\":\"540aa74110e63e334a712719\",\"created_at\":1489441065.533313,\"enqueued_at\":1489442414.60714,\"error_message\":\"exception class/object expected\",\"error_class\":\"TypeError\",\"failed_at\":1489441065.541595,\"retry_count\":5,\"retried_at\":1489441667.7081149}"}
    
2017-03-13T22:00:14.730Z 11109 TID-ova30dq94 WARN: TypeError: exception class/object expected
    
2017-03-13T22:00:14.730Z 11109 TID-ova30dq94 WARN: /Users/David/rubyProjects/videouploader/videouploader/app/workers/webm_video_encoder.rb:14:in `raise'
    
/Users/David/rubyProjects/videouploader/videouploader/app/workers/webm_video_encoder.rb:14:in `perform'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:158:in `execute_job'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:138:in `block (4 levels) in process'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq.rb:36:in `block in '
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:133:in `block (3 levels) in process'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/chain.rb:128:in `block in invoke'
    
/Users/David/.rvm/gems/ruby-2.3.0/bundler/gems/sidetiq-7bec4084165f/lib/sidetiq/middleware/history.rb:8:in `call'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/chain.rb:130:in `block in invoke'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/server/retry_jobs.rb:74:in `call'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/chain.rb:130:in `block in invoke'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/server/logging.rb:11:in `block in call'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/logging.rb:32:in `with_context'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/server/logging.rb:7:in `call'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/chain.rb:130:in `block in invoke'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/chain.rb:133:in `invoke'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:132:in `block (2 levels) in process'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:174:in `stats'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:131:in `block in process'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/rails.rb:106:in `block in call'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.2/lib/active_support/execution_wrapper.rb:85:in `wrap'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.2/lib/active_support/reloader.rb:68:in `block in wrap'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.2/lib/active_support/execution_wrapper.rb:85:in `wrap'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.2/lib/active_support/reloader.rb:67:in `wrap'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/rails.rb:105:in `call'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:126:in `process'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:82:in `process_one'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:70:in `run'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/util.rb:17:in `watchdog'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/util.rb:26:in `block in safe_thread'
    
2017-03-13T22:00:50.877Z 11109 TID-ova3gyd4k ThumbnailCutter JID-d0c693e39e06c2cccdec7d33 INFO: start
    
sh: -c: line 0: syntax error near unexpected token `('
    
sh: -c: line 0: `ffmpeg -i /Users/David/rubyProjects/videouploader/videouploader/public/system/videos/video_files/000/000/002/original/Heart_of_Gold_-_Neil_Young_cover_with_harmonica.1_(1).mp4 -ss 00:00:01.000 -vframes 1 /tmp/1489442450881632.png'
    
2017-03-13T22:00:50.902Z 11109 TID-ova3gyd4k ThumbnailCutter JID-d0c693e39e06c2cccdec7d33 INFO: fail: 0.025 sec
    
2017-03-13T22:00:50.903Z 11109 TID-ova3gyd4k WARN: {"context":"Job raised exception","job":{"class":"ThumbnailCutter","args":[2],"retry":true,"queue":"default","jid":"d0c693e39e06c2cccdec7d33","created_at":1489437193.246615,"enqueued_at":1489442450.8759801,"error_message":"exception class/object expected","error_class":"TypeError","failed_at":1489437193.254677,"retry_count":7,"retried_at":1489442450.901133},"jobstr":"{\"class\":\"ThumbnailCutter\",\"args\":[2],\"retry\":true,\"queue\":\"default\",\"jid\":\"d0c693e39e06c2cccdec7d33\",\"created_at\":1489437193.246615,\"enqueued_at\":1489442450.8759801,\"error_message\":\"exception class/object expected\",\"error_class\":\"TypeError\",\"failed_at\":1489437193.254677,\"retry_count\":6,\"retried_at\":1489441044.6660218}"}
    
2017-03-13T22:00:50.903Z 11109 TID-ova3gyd4k WARN: TypeError: exception class/object expected
    
2017-03-13T22:00:50.903Z 11109 TID-ova3gyd4k WARN: /Users/David/rubyProjects/videouploader/videouploader/app/workers/thumbnail_cutter.rb:13:in `raise'
    
/Users/David/rubyProjects/videouploader/videouploader/app/workers/thumbnail_cutter.rb:13:in `perform'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:158:in `execute_job'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:138:in `block (4 levels) in process'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq.rb:36:in `block in '
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:133:in `block (3 levels) in process'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/chain.rb:128:in `block in invoke'
    
/Users/David/.rvm/gems/ruby-2.3.0/bundler/gems/sidetiq-7bec4084165f/lib/sidetiq/middleware/history.rb:8:in `call'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/chain.rb:130:in `block in invoke'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/server/retry_jobs.rb:74:in `call'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/chain.rb:130:in `block in invoke'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/server/logging.rb:11:in `block in call'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/logging.rb:32:in `with_context'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/server/logging.rb:7:in `call'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/chain.rb:130:in `block in invoke'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/middleware/chain.rb:133:in `invoke'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:132:in `block (2 levels) in process'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:174:in `stats'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:131:in `block in process'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/rails.rb:106:in `block in call'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.2/lib/active_support/execution_wrapper.rb:85:in `wrap'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.2/lib/active_support/reloader.rb:68:in `block in wrap'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.2/lib/active_support/execution_wrapper.rb:85:in `wrap'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.2/lib/active_support/reloader.rb:67:in `wrap'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/rails.rb:105:in `call'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:126:in `process'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:82:in `process_one'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/processor.rb:70:in `run'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/util.rb:17:in `watchdog'
    
/Users/David/.rvm/gems/ruby-2.3.0/gems/sidekiq-4.2.9/lib/sidekiq/util.rb:26:in `block in safe_thread'

    thumbnail_cutter.rb

    class ThumbnailCutter
    
  include Sidekiq::Worker
    

    
  def perform(video_id)
    
    video = Video.find(video_id)
    
    output = "/tmp/#{Time.now.getutc.to_f.to_s.delete('.')}.png"
    
    _command = `ffmpeg -i #{video.video_file.path} -ss 00:00:01.000 -vframes 1 #{output}`
    
    if $?.to_i == 0
    
      video.thumbnail = File.open(output, 'r')
    
      video.save
    
      FileUtils.rm(output)
    
    else
    
      raise $?
    
    end
    
  end
    
end

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