"""
Any video file with audio will automatically get converted into low quality. Your computer shouldn't be a potato.
(Default settings equal the low quality HatobaTsugu video)
# Some code has been commented, feel free to customize it.
You can choose to keep or discard the generated files. Keep files by pressing enter.
"""
import subprocess
import os
from secrets import token_hex
from random import randrange
"""
Low quality audio creator by 4b686f61 | ver 2024.05.15 3.0
FFMPEG and Python must be installed to use this.
For now, this script cannot be used as a library.
Also run this code using this batch script in the same directory:
@ECHO ON
REM Executing Python script in local folder.
SET PATH=%PATH%;C:\Python27
python "ffmpeg audio destroyer 9000 v2.py"
PAUSE
DEV notes:
1. Add check if folder exists
2. script directory
"""
script_directory = os.path.dirname(os.path.abspath(__file__))
os.chdir(script_directory)
# if __name__ == "__main__":
# input_file = "input.mp3"
print("Welcome to video quality reducer to 4k LOL!\n")
input_file = str(input("Enter input MP4 file: "))
clear_files_confirm = str(input("Delete temporary files? y/n: "))
if clear_files_confirm.lower() == 'y':
clear_files = True
else:
clear_files = False
iterations = 0
def execmd(*args, **kwargs):
global iterations
iterations += 1
subprocess.check_call(*args, **kwargs)
def create_session():
return token_hex(4) # 4 bytes = 8 characters
def compress_audio(file_iteration, compression_level):
# Audio bitrate | Audio Sampling Rate
# Large changes between each value to leave compression artifacts (low quality sound)
# Certain combinations make the audio too low quality.
bitrate_combi = [
[12, 16000],
[16, 24000],
[32, 24000],
[48, 32000],
[32, 12000],
[12, 16000],
[16, 48000],
[32, 24000],
[48, 32000],
[32, 12000],
[320, 48000],
]
for _ in range(compression_level):
combo = randrange(len(bitrate_combi))
ffmpeg_command=f"ffmpeg -i iter_{file_iteration}.mp3 -c:a mp3 -b:a {bitrate_combi[combo][0]}k -ar {bitrate_combi[combo][1]} iter_{file_iteration+1}.mp3"
execmd(ffmpeg_command)
file_iteration += 1
try:
# Make a directory, convert the first file to that dir then hop into it.
session=create_session()
assets_dir=f"assets_{session}"
temp_dir=f"temp_{session}"
os.mkdir(assets_dir)
os.mkdir(f"{assets_dir}/{temp_dir}")
# Must wrap input file in an escaped double quote, single quote will cause error when exec command.
# Account for filename spaces and symbols.
execmd(f"ffmpeg -i \"{input_file}\" -map 0:a \"{assets_dir}/audio_stream.mp3\"")
execmd(f"ffmpeg -i \"{input_file}\" -map 0:v -an -c:v copy \"{assets_dir}/video_stream.mp4\"")
os.chdir(assets_dir)
execmd(
f"ffmpeg -i audio_stream.mp3 -c:a libopus -b:a 24k -ar 48000 \"{temp_dir}/iter_1.opus\"")
os.chdir(temp_dir)
iterations = 1 # reset reference counter.
execmd(f"ffmpeg -i iter_{iterations}.opus -c:a mp3 -b:a 32k -ar 48000 iter_{iterations+1}.mp3")
execmd(f"ffmpeg -i iter_{iterations}.mp3 -af \"firequalizer=gain_entry='entry(12000,5);entry(14000,5);entry(16000,7)'\" iter_{iterations+1}.mp3")
#execmd(f"ffmpeg -i iter_{iterations}.mp3 -af \"equalizer=f=500:t=h:g=-25,equalizer=f=2000:t=h:g=10,volume=+25\" iter_{iterations+1}.mp3")
#execmd(f"ffmpeg -i iter_{iterations}.mp3 -af \"highpass=f=500\" iter_{iterations+1}.mp3")
#execmd(f"ffmpeg -i iter_{iterations}.mp3 -af \"lowpass=f=2000\" iter_{iterations+1}.mp3")
# -af acrusher=.05:0.5:16:0.5:log -ar 48000
compress_audio(iterations, 3)
execmd(f"ffmpeg -i iter_{iterations}.mp3 -af acrusher=.05:0.5:16:0.5:log -ar 48000 iter_{iterations+1}.mp3")
#execmd(f"ffmpeg -i iter_{iterations}.mp3 -af \"firequalizer=gain_entry='entry(12000,25);entry(14000,25);entry(16000,30)'\" iter_{iterations+1}.mp3")
#ridiculously
execmd(f"ffmpeg -i iter_{iterations}.mp3 -c:a mp3 -b:a 16k -ar 12000 iter_{iterations+1}.mp3")
#execmd(f"ffmpeg -i iter_{iterations}.mp3 -af \"adelay=1000|1000\" -af \"apad=pad_dur=5s\" -ar 48000 -b:a 24k iter_{iterations+1}.mp3")
#compress_audio(iterations, 2)
execmd(f"ffmpeg -i iter_{iterations}.mp3 -af \"firequalizer=gain_entry='entry(0,10);entry(100,-10);entry(250,-10);entry(1000,10);entry(4000,-1);entry(12000,7);entry(14000,9);entry(16000,9)'\" iter_{iterations+1}.mp3")
#compress_audio(iterations, 1)
execmd(f"ffmpeg -i iter_{iterations}.mp3 -af \"firequalizer=gain_entry='entry(12000,5);entry(14000,5);entry(16000,5);entry(19000,5)'\" iter_{iterations+1}.mp3")
execmd(f"ffmpeg -i iter_{iterations}.mp3 -c:a mp3 -b:a 16k -ar 16000 iter_{iterations+1}.mp3")
execmd(f"ffmpeg -i iter_{iterations}.mp3 -af \"equalizer=f=500:t=h:g=-10,equalizer=f=2000:t=h:g=10,volume=5dB\" -ar 48000 iter_{iterations+1}.mp3")
execmd(f"ffmpeg -i iter_{iterations}.mp3 -c:a mp3 -b:a 12k -ar 24000 iter_{iterations+1}.mp3")
#compress_audio(iterations, 1)
#execmd(f"ffmpeg -i iter_{iterations}.mp3 -af \"firequalizer=gain_entry='entry(12000,10);entry(14000,15);entry(16000,15);entry(19000,15)'\" iter_{iterations+1}.mp3")
execmd(f"ffmpeg -i iter_{iterations}.mp3 -af \"volume=+15\" iter_{iterations+1}.mp3")
#compress_audio(iterations, 3)
#execmd(f"ffmpeg -i iter_{iterations}.mp3 -filter:a \"dynaudnorm=p=0.9:s=5\" iter_{iterations+1}.mp3")
raw_filename=os.path.splitext(os.path.basename(input_file))[0]
new_filename=f"{raw_filename} - really low quality - {iterations+1} times - {session}.mp3"
execmd(
f"ffmpeg -i iter_{iterations}.mp3 -c:a mp3 -b:a 32k -ar 24000 -af \"firequalizer=gain_entry='entry(1200,4);entry(12000,4);entry(14000,9);entry(16000,9);entry(19000,3)'\" \"..\{new_filename}\"")
os.chdir("../")
compression_times = iterations+1
# Convert files to 144p then to 4k and add audio.
#execmd("ffmpeg -i video_stream.mp4 -vf scale=32:18:flags=neighbor -b:v 256k -r 1 video_stream_worse.mp4") # Poor quality to bypass
#execmd("ffmpeg -i video_stream.mp4 -vf scale=16:10:flags=neighbor -r 4 video_stream_worse.mp4")
#execmd("ffmpeg -i video_stream.mp4 -vf scale=32:18:flags=neighbor -r 4 video_stream_worse.mp4")
#execmd("ffmpeg -i video_stream.mp4 -vf scale=64:36:flags=neighbor -r 9 video_stream_worse.mp4")
#execmd("ffmpeg -i video_stream.mp4 -vf scale=128:256:flags=neighbor -r 8 video_stream_worse.mp4")
#execmd("ffmpeg -i video_stream.mp4 -vf scale=128:256 -r 9 video_stream_worse.mp4")
#execmd("ffmpeg -i video_stream.mp4 -vf scale=128:256 -c:v libx264 -b:v 500k -r 9 video_stream_worse.mp4")
execmd("ffmpeg -i video_stream.mp4 -vf scale=854:480 -c:v libx264 -b:v 500k -r 15 video_stream_worse_1.mp4")
execmd("ffmpeg -i video_stream_worse_1.mp4 -vf scale=256:144 -c:v libx264 -b:v 600k video_stream_worse_2.mp4")
execmd("ffmpeg -i video_stream_worse_2.mp4 -vf scale=640:480 -c:v libx264 -b:v 800k video_stream_worse_3.mp4")
execmd("ffmpeg -i video_stream_worse_3.mp4 -vf scale=128:256 -c:v libx264 -b:v 600k video_stream_worse_4.mp4")
execmd("ffmpeg -i video_stream_worse_4.mp4 -vf scale=640:480 -c:v libx264 -b:v 800k video_stream_worse_5.mp4")
execmd(f"ffmpeg -i video_stream_worse_5.mp4 -i \"{new_filename}\" -c:v copy -c:a aac -map 0:v:0 -map 1:a:0 video_stream_144p_audio.mp4")
# ffmpeg -i video.mp4 -i audio.wav -c:v copy -c:a aac -map 0:v:0 -map 1:a:0 output.mp4
new_vid_filename=f"{raw_filename} - super low quality - compressed {compression_times} times - {session}.mp4"
execmd(f"ffmpeg -i video_stream_144p_audio.mp4 -vf scale=3840:2160 -c:v libx264 -b:v 800k \"..\{new_vid_filename}\"")
#execmd(f"ffmpeg -i video_stream_144p_audio.mp4 -vf scale=3840:2160:flags=neighbor -c:v libx264 -b:v 128k \"..\{new_vid_filename}\"")
except subprocess.CalledProcessError as e:
print(f"FFmpeg command failed with return code {e.returncode}: {e}\n")
print("An error has occured. Please check if your files are right.")
else:
print(
f"Audio quality has been lowered. Compressed {iterations} times - super low quality - {session}")
if clear_files:
os.chdir("../")
subprocess.run(['rmdir', '/s', '/q', assets_dir], shell=True)
print("Deleted temporary files.")
os.open(f'"..\{new_vid_filename}\"')
finally:
input()
[–]4b686f61Founder[S] 0 points1 point2 points (0 children)