Sha256: 0794330b6ecbb4a71939604581e9ab734d106df692524e6b5e9a389b7d4a0907
Contents?: true
Size: 922 Bytes
Versions: 96
Compression:
Stored size: 922 Bytes
Contents
require "rvideo"
class VideoThumbnailEncoder < Dragonfly::Encoding::RMagickEncoder
def encode(image, format, encoding={})
format = format.to_s.downcase
throw :unable_to_handle unless supported_formats.include?(format.to_sym)
encoded_image = rmagick_image(image, encoding[:offset])
if encoded_image.format.downcase == format
image # do nothing
else
encoded_image.format = format
encoded_image.to_blob
end
end
private
def rmagick_image(temp_object, offset = "30%")
vi = RVideo::Inspector.new(:file => temp_object.path)
if vi.valid?
voutput = RVideo::FrameCapturer.capture!( :input => temp_object.path, :offset => offset)
Magick::Image.read(voutput).first
else
throw :unable_to_handle
end
rescue Magick::ImageMagickError => e
log.warn("Unable to handle content in #{self.class} - got:\n#{e}")
throw :unable_to_handle
end
end
Version data entries
96 entries across 96 versions & 1 rubygems