Sha256: 36a2ef6661fe43bc4ca6b48f06d49e302e252b574a9e10d7c53457f018bb08e8
Contents?: true
Size: 1.35 KB
Versions: 9
Compression:
Stored size: 1.35 KB
Contents
# frozen_string_literal: true
module Lolcommits
class CaptureLinux < Capturer
MPLAYER_FPS = 25
def capture
tmpdir = Dir.mktmpdir
# Default delay is 1s
delay = capture_delay != 0 ? capture_delay : 1
# There's no way to give a capture delay in mplayer, but a number of frame
# mplayer's "delay" is actually a number of frames at 25 fps
# multiply the set value (in seconds) by 25
frames = delay.to_i * MPLAYER_FPS
debug 'calling out to mplayer to capture image'
# mplayer's output is ugly and useless, let's throw it away
_stdin, stdout, _stderr = Open3.popen3("mplayer -vo jpeg:outdir=#{tmpdir} #{capture_device_string} -frames #{frames} -fps #{MPLAYER_FPS} tv://")
# looks like we still need to read the output for something to happen
stdout.read
debug 'calling out to mplayer to capture image'
# get last frame from tmpdir (regardless of fps)
all_frames = Dir.glob("#{tmpdir}/*.jpg").sort_by do |f|
File.mtime(f)
end
if all_frames.empty?
debug 'failed to capture any image'
else
FileUtils.mv(all_frames.last, capture_path)
debug 'cleaning up'
end
FileUtils.rm_rf(tmpdir)
end
private
def capture_device_string
"-tv device=\"#{capture_device || Dir.glob('/dev/video*').first}\""
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems