Fully functioning version
This commit is contained in:
parent
3732eadf27
commit
1ecd83723a
@ -1,41 +1,46 @@
|
||||
#!/usr/bin/env python3
|
||||
|
||||
# ffmpeg wrapper
|
||||
from os import sched_get_priority_max
|
||||
import multiprocessing
|
||||
from os.path import isdir, isfile
|
||||
import ffmpy
|
||||
|
||||
# argument parsing
|
||||
import argparse
|
||||
|
||||
# multiprocessing stuff
|
||||
from multiprocessing import Pool
|
||||
from multiprocessing import cpu_count
|
||||
|
||||
# executing some commands
|
||||
import subprocess
|
||||
|
||||
# parsing json output of loudnorm
|
||||
import json
|
||||
|
||||
# file/directory handling
|
||||
import os
|
||||
|
||||
# most recent starttime for program
|
||||
import time
|
||||
|
||||
from random import randint
|
||||
|
||||
"""
|
||||
parser = argparse.ArgumentParser(description="")
|
||||
|
||||
# Input file
|
||||
parser.add_argument("-i", "--input-file", required=True, type=str, help="Input file")
|
||||
|
||||
args = parser.parse_args()
|
||||
|
||||
inputfile = args.input_file
|
||||
"""
|
||||
"""
|
||||
ffmpeg -y -i FalKKonE\ -\ 01\ Aria\ \(From\ \"Berserk:\ The\ Golden\ Age\ Arc\"\).flac -pass 1 -filter:a loudnorm=print_format=json -f flac /dev/null
|
||||
|
||||
ffmpeg -i FalKKonE\ -\ 01\ Aria\ \(From\ \"Berserk:\ The\ Golden\ Age\ Arc\"\).flac -pass 2 -filter:a loudnorm=I=-30.0:linear=true:measured_I=-4.52:measured_LRA=1.90:measured_thresh=-14.64 -c:a libopus -b:a 320k test441.opus
|
||||
ffmpeg -i $FILE -c:v libx264 -b:v 4000k -pass 2 -filter:a loudnorm=linear=true:measured_I=$input_i:measured_LRA=$input_lra:measured_tp=$input_tp:measured_thresh=$input_thresh -c:a aac -b:a 256k $FILE.mkv
|
||||
"""
|
||||
|
||||
# FIXME
|
||||
inputfile = (
|
||||
'/home/marc/Downloads/FalKKonE - 01 Aria (From "Berserk: The Golden Age Arc").flac'
|
||||
)
|
||||
# inputfile = (
|
||||
# '/home/marc/Downloads/FalKKonE - 01 Aria (From "Berserk: The Golden Age Arc").flac'
|
||||
# )
|
||||
# inputfile = "/home/marc/Downloads/test441.opus"
|
||||
outputfile = "/home/marc/Downloads/test441_out.opus"
|
||||
# outputfile = "/home/marc/Downloads/test441_out.opus"
|
||||
|
||||
# srcfolder = "/home/marc/Downloads/MusikRaw"
|
||||
# destfolder = "/home/marc/Downloads/Musik"
|
||||
|
||||
musicfile_extensions = (".flac", ".wav", ".mp3", ".m4a", ".aac", ".opus")
|
||||
|
||||
|
||||
def get_format(inputfile) -> str:
|
||||
@ -45,8 +50,7 @@ def get_format(inputfile) -> str:
|
||||
ff = ffmpy.FFprobe(
|
||||
inputs={inputfile: None},
|
||||
global_options=(
|
||||
"-v",
|
||||
"quiet",
|
||||
"-v quiet",
|
||||
"-select_streams a",
|
||||
"-show_entries stream=codec_name",
|
||||
"-of default=noprint_wrappers=1:nokey=1",
|
||||
@ -66,6 +70,25 @@ def get_format(inputfile) -> str:
|
||||
return format
|
||||
|
||||
|
||||
def remove_picture(inputfile):
|
||||
"""
|
||||
This function makes sure no image is attached to the audio stream.
|
||||
An image might cause problems for the later conversion to opus.
|
||||
|
||||
Parameters:
|
||||
inputfile (str): Path to file
|
||||
"""
|
||||
tmpfile = os.path.splitext(inputfile)[0] + ".tmp" + os.path.splitext(inputfile)[1]
|
||||
ff = ffmpy.FFmpeg(
|
||||
inputs={inputfile: None},
|
||||
outputs={tmpfile: "-vn -c:a copy"},
|
||||
global_options=("-v error"),
|
||||
)
|
||||
ff.run()
|
||||
os.remove(inputfile)
|
||||
os.rename(tmpfile, inputfile)
|
||||
|
||||
|
||||
def loudness_info(inputfile) -> dict[str, str]:
|
||||
# get format from file
|
||||
# inputformat = get_format(inputfile)
|
||||
@ -91,6 +114,8 @@ def loudness_info(inputfile) -> dict[str, str]:
|
||||
# decode json to dict
|
||||
loudness: dict[str, str] = json.loads(loudness_json)
|
||||
# print(loudness_json)
|
||||
# print(ff.cmd)
|
||||
print("Measuring loudness of ", os.path.basename(inputfile))
|
||||
return loudness
|
||||
|
||||
|
||||
@ -117,11 +142,107 @@ def convert(inputfile, outputfile, loudness):
|
||||
input_thresh=loudness["input_thresh"],
|
||||
)
|
||||
},
|
||||
global_options=("-v error"),
|
||||
)
|
||||
print(ff.cmd)
|
||||
# print(ff.cmd)
|
||||
print("Working on ", os.path.basename(inputfile))
|
||||
ff.run()
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
def main(inputfile: str):
|
||||
"""
|
||||
Main program loop
|
||||
|
||||
Parameters:
|
||||
inputfile (str): Path to input file
|
||||
"""
|
||||
# set output folder to parent path + "normalized"
|
||||
outputfolder = os.path.join(os.path.dirname(inputfile), "normalized")
|
||||
# NOTE create output folder
|
||||
# because multiple parallel processes are at work here,
|
||||
# there might be conflicts with one trying to create the directory although it already exists
|
||||
# this while loop makes sure the directory does exist
|
||||
# the try/except block ensures the error is caught and (hopefully) doesn't happen again just after with random sleep
|
||||
# there's very likely a better way to do this, idk
|
||||
while not os.path.isdir(outputfolder):
|
||||
try:
|
||||
os.mkdir(outputfolder)
|
||||
except:
|
||||
time.sleep(randint(0, 4))
|
||||
|
||||
# output file path
|
||||
noext_infile: str = os.path.splitext(os.path.basename(inputfile))[0]
|
||||
outputfile: str = os.path.join(outputfolder, noext_infile + ".opus")
|
||||
|
||||
# print(inputfile)
|
||||
# print(os.path.dirname(inputfile))
|
||||
# print(os.path.basename(inputfile))
|
||||
# print(outputfile)
|
||||
|
||||
remove_picture(inputfile=inputfile)
|
||||
loudness = loudness_info(inputfile=inputfile)
|
||||
convert(inputfile=inputfile, outputfile=outputfile, loudness=loudness)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
parser = argparse.ArgumentParser(description="")
|
||||
|
||||
# Input directory
|
||||
parser.add_argument(
|
||||
"-i", "--input-dir", required=True, type=str, help="Input source directory"
|
||||
)
|
||||
|
||||
# number of cpus/threads to use, defaults to all available
|
||||
parser.add_argument(
|
||||
"-c",
|
||||
"--cpu-count",
|
||||
required=False,
|
||||
type=int,
|
||||
help="Number of cpu cores",
|
||||
default=multiprocessing.cpu_count(),
|
||||
)
|
||||
|
||||
args = parser.parse_args()
|
||||
|
||||
srcfolder = args.input_dir
|
||||
|
||||
cpu = args.cpu_count
|
||||
|
||||
# NOTE DEALING WITH TIME
|
||||
# so it only runs for the modified files since the last run
|
||||
# time of this run
|
||||
starttime = time.time()
|
||||
# file where last run is stored
|
||||
timefile = os.path.join(srcfolder, "run.time")
|
||||
|
||||
# get time of previous run
|
||||
if os.path.isfile(timefile):
|
||||
with open(timefile, "r") as file:
|
||||
timeprev = file.read()
|
||||
else:
|
||||
timeprev = 0
|
||||
|
||||
# FIXME
|
||||
timeprev = 0
|
||||
|
||||
# print(timeprev)
|
||||
|
||||
musicfiles = []
|
||||
for root, dirs, files in os.walk(srcfolder):
|
||||
# ignore the "normalized" subfolder
|
||||
dirs[:] = [d for d in dirs if d not in ["normalized"]]
|
||||
for file in files:
|
||||
if file.endswith(musicfile_extensions):
|
||||
filepath = os.path.join(root, file)
|
||||
# only file newer than the last run are added
|
||||
if os.path.getmtime(filepath) >= float(timeprev):
|
||||
musicfiles.append(os.path.join(root, file))
|
||||
|
||||
# print(musicfiles)
|
||||
|
||||
with Pool(cpu) as p:
|
||||
p.map(main, musicfiles)
|
||||
|
||||
# write this run's time into file
|
||||
with open(timefile, "w") as file:
|
||||
file.write(str(starttime))
|
||||
|
||||
Loading…
Reference in New Issue
Block a user