mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-12-05 10:28:28 -05:00
62 lines
1.4 KiB
Ruby
Executable File
62 lines
1.4 KiB
Ruby
Executable File
#!/usr/bin/env ruby
|
|
|
|
require 'open3'
|
|
require 'json'
|
|
|
|
ffmpeg_bin = 'ffmpeg'
|
|
target_il = -24.0
|
|
target_lra = +11.0
|
|
target_tp = -2.0
|
|
samplerate = '48k'
|
|
|
|
if ARGF.argv.count != 2
|
|
puts "Usage: #{$PROGRAM_NAME} input.wav output.wav"
|
|
exit 1
|
|
end
|
|
|
|
ff_cmd = Array.new([
|
|
ffmpeg_bin,
|
|
'-hide_banner',
|
|
'-i', ARGF.argv[0],
|
|
'-af', "loudnorm='I=#{target_il}:LRA=#{target_lra}:tp=#{target_tp}:print_format=json'",
|
|
'-f', 'null',
|
|
'-']);
|
|
|
|
_stdin, _stdout, stderr, wait_thr = Open3.popen3(*ff_cmd)
|
|
|
|
if wait_thr.value.success?
|
|
stats = JSON.parse(stderr.read.lines[-12, 12].join)
|
|
loudnorm_string = 'loudnorm='
|
|
loudnorm_string += 'print_format=summary:'
|
|
loudnorm_string += 'linear=true:'
|
|
loudnorm_string += "I=#{target_il}:"
|
|
loudnorm_string += "LRA=#{target_lra}:"
|
|
loudnorm_string += "tp=#{target_tp}:"
|
|
loudnorm_string += "measured_I=#{stats['input_i']}:"
|
|
loudnorm_string += "measured_LRA=#{stats['input_lra']}:"
|
|
loudnorm_string += "measured_tp=#{stats['input_tp']}:"
|
|
loudnorm_string += "measured_thresh=#{stats['input_thresh']}:"
|
|
loudnorm_string += "offset=#{stats['target_offset']}"
|
|
else
|
|
puts stderr.read
|
|
exit 1
|
|
end
|
|
|
|
ff_cmd = Array.new([
|
|
ffmpeg_bin,
|
|
'-y', '-hide_banner',
|
|
'-i', ARGF.argv[0],
|
|
'-af', loudnorm_string,
|
|
'-ar', samplerate,
|
|
ARGF.argv[1].to_s]);
|
|
|
|
_stdin, _stdout, stderr, wait_thr = Open3.popen3(*ff_cmd)
|
|
|
|
if wait_thr.value.success?
|
|
puts stderr.read.lines[-12, 12].join
|
|
exit 0
|
|
else
|
|
puts stderr.read
|
|
exit 1
|
|
end
|