Sha256: 92eff6252f97aabe26828ddf680c69fd1d3cbdfe8ccf6524e1629160acb89f5e
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Size: 949 Bytes
Versions: 68
Compression:
Stored size: 949 Bytes
Contents
# frozen_string_literal: true
require "shellwords"
module ActiveStorage
class Previewer::VideoPreviewer < Previewer
class << self
def accept?(blob)
blob.video? && ffmpeg_exists?
end
def ffmpeg_exists?
return @ffmpeg_exists if defined?(@ffmpeg_exists)
@ffmpeg_exists = system(ffmpeg_path, "-version", out: File::NULL, err: File::NULL)
end
def ffmpeg_path
ActiveStorage.paths[:ffmpeg] || "ffmpeg"
end
end
def preview(**options)
download_blob_to_tempfile do |input|
draw_relevant_frame_from input do |output|
yield io: output, filename: "#{blob.filename.base}.jpg", content_type: "image/jpeg", **options
end
end
end
private
def draw_relevant_frame_from(file, &block)
draw self.class.ffmpeg_path, "-i", file.path, *Shellwords.split(ActiveStorage.video_preview_arguments), "-", &block
end
end
end
Version data entries
68 entries across 63 versions & 7 rubygems