17 lines
481 B
Plaintext
17 lines
481 B
Plaintext
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#!/usr/bin/env ruby
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if ARGV.length != 1
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STDERR.puts "Usage: #{__FILE__} <input> | command"
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STDERR.puts ARGV.length.to_s
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exit 1
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end
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resolution = IO.popen(["ffprobe", "-v", "error", "-select_streams", "v:0", "-show_entries", "stream=width,height", "-of", "default=noprint_wrappers=1:nokey=1", ARGV[0]]).read.split.map{ |x| x.to_i }
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STDOUT.write(resolution.pack("L>L>"))
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STDOUT.flush
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exec("ffmpeg", "-v", "error", "-i", ARGV[0], "-f", "rawvideo", "-pix_fmt", "argb", "-")
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