Sha256: 0a3210d8976a084e5b252a39b99bdcdac69494c2b394474cfa8db9e7da9dfbe7
Contents?: true
Size: 927 Bytes
Versions: 17
Compression:
Stored size: 927 Bytes
Contents
# frozen_string_literal: true
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
17 entries across 17 versions & 3 rubygems