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When enabled this will convert uploaded videos to a standard format that should be playable on all devices and browsers. The goal of this feature is to prevent codec playback issues that sometimes can occur with video uploads. It uses an adapter pattern, so that other services for video conversion could be easily added in the future.
54 lines
1.5 KiB
Ruby
Vendored
54 lines
1.5 KiB
Ruby
Vendored
# frozen_string_literal: true
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module VideoConversion
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class BaseAdapter
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STATUS_COMPLETE = :complete
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STATUS_ERROR = :error
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STATUS_PENDING = :pending
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def initialize(upload, options = {})
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@upload = upload
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@options = options
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end
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# Starts the conversion process and returns a job identifier
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def convert
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raise NotImplementedError, "#{self.class} must implement #convert"
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end
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# Checks the status of a conversion job
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# Returns a symbol: STATUS_COMPLETE, STATUS_ERROR, or STATUS_PENDING
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def check_status(job_id)
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raise NotImplementedError, "#{self.class} must implement #check_status"
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end
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# Handles the completion of a successful conversion
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# This is called by the job system when status is :complete
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def handle_completion(job_id, output_path, new_sha1)
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raise NotImplementedError, "#{self.class} must implement #handle_completion"
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end
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protected
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def create_optimized_video_record(output_path, new_sha1, filesize, url)
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OptimizedVideo.create_for(
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@upload,
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@upload.original_filename.sub(/\.[^.]+$/, "_converted.mp4"),
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@upload.user_id,
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filesize: filesize,
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sha1: new_sha1,
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url: url,
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extension: "mp4",
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adapter: adapter_name,
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)
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end
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private
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def adapter_name
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self.class::ADAPTER_NAME
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rescue NameError
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# Fallback for adapters that don't define ADAPTER_NAME
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self.class.name.demodulize.underscore
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end
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end
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end
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