Music transcoder!!
This commit is contained in:
commit
e48574b4ce
GPG key ID:
B61CC9ADABE2D952
4 changed files with 413 additions and 0 deletions
219
.gitignore
vendored
Normal file
219
.gitignore
vendored
Normal file
|
|
@ -0,0 +1,219 @@
|
||||||
|
# Byte-compiled / optimized / DLL files
|
||||||
|
__pycache__/
|
||||||
|
*.py[codz]
|
||||||
|
*$py.class
|
||||||
|
|
||||||
|
# C extensions
|
||||||
|
*.so
|
||||||
|
|
||||||
|
# Distribution / packaging
|
||||||
|
.Python
|
||||||
|
build/
|
||||||
|
develop-eggs/
|
||||||
|
dist/
|
||||||
|
downloads/
|
||||||
|
eggs/
|
||||||
|
.eggs/
|
||||||
|
lib/
|
||||||
|
lib64/
|
||||||
|
parts/
|
||||||
|
sdist/
|
||||||
|
var/
|
||||||
|
wheels/
|
||||||
|
share/python-wheels/
|
||||||
|
*.egg-info/
|
||||||
|
.installed.cfg
|
||||||
|
*.egg
|
||||||
|
MANIFEST
|
||||||
|
|
||||||
|
# PyInstaller
|
||||||
|
# Usually these files are written by a python script from a template
|
||||||
|
# before PyInstaller builds the exe, so as to inject date/other infos into it.
|
||||||
|
*.manifest
|
||||||
|
*.spec
|
||||||
|
|
||||||
|
# Installer logs
|
||||||
|
pip-log.txt
|
||||||
|
pip-delete-this-directory.txt
|
||||||
|
|
||||||
|
# Unit test / coverage reports
|
||||||
|
htmlcov/
|
||||||
|
.tox/
|
||||||
|
.nox/
|
||||||
|
.coverage
|
||||||
|
.coverage.*
|
||||||
|
.cache
|
||||||
|
nosetests.xml
|
||||||
|
coverage.xml
|
||||||
|
*.cover
|
||||||
|
*.py.cover
|
||||||
|
.hypothesis/
|
||||||
|
.pytest_cache/
|
||||||
|
cover/
|
||||||
|
|
||||||
|
# Translations
|
||||||
|
*.mo
|
||||||
|
*.pot
|
||||||
|
|
||||||
|
# Django stuff:
|
||||||
|
*.log
|
||||||
|
local_settings.py
|
||||||
|
db.sqlite3
|
||||||
|
db.sqlite3-journal
|
||||||
|
|
||||||
|
# Flask stuff:
|
||||||
|
instance/
|
||||||
|
.webassets-cache
|
||||||
|
|
||||||
|
# Scrapy stuff:
|
||||||
|
.scrapy
|
||||||
|
|
||||||
|
# Sphinx documentation
|
||||||
|
docs/_build/
|
||||||
|
|
||||||
|
# PyBuilder
|
||||||
|
.pybuilder/
|
||||||
|
target/
|
||||||
|
|
||||||
|
# Jupyter Notebook
|
||||||
|
.ipynb_checkpoints
|
||||||
|
|
||||||
|
# IPython
|
||||||
|
profile_default/
|
||||||
|
ipython_config.py
|
||||||
|
|
||||||
|
# pyenv
|
||||||
|
# For a library or package, you might want to ignore these files since the code is
|
||||||
|
# intended to run in multiple environments; otherwise, check them in:
|
||||||
|
# .python-version
|
||||||
|
|
||||||
|
# pipenv
|
||||||
|
# According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
|
||||||
|
# However, in case of collaboration, if having platform-specific dependencies or dependencies
|
||||||
|
# having no cross-platform support, pipenv may install dependencies that don't work, or not
|
||||||
|
# install all needed dependencies.
|
||||||
|
# Pipfile.lock
|
||||||
|
|
||||||
|
# UV
|
||||||
|
# Similar to Pipfile.lock, it is generally recommended to include uv.lock in version control.
|
||||||
|
# This is especially recommended for binary packages to ensure reproducibility, and is more
|
||||||
|
# commonly ignored for libraries.
|
||||||
|
# uv.lock
|
||||||
|
|
||||||
|
# poetry
|
||||||
|
# Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
|
||||||
|
# This is especially recommended for binary packages to ensure reproducibility, and is more
|
||||||
|
# commonly ignored for libraries.
|
||||||
|
# https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
|
||||||
|
# poetry.lock
|
||||||
|
# poetry.toml
|
||||||
|
|
||||||
|
# pdm
|
||||||
|
# Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
|
||||||
|
# pdm recommends including project-wide configuration in pdm.toml, but excluding .pdm-python.
|
||||||
|
# https://pdm-project.org/en/latest/usage/project/#working-with-version-control
|
||||||
|
# pdm.lock
|
||||||
|
# pdm.toml
|
||||||
|
.pdm-python
|
||||||
|
.pdm-build/
|
||||||
|
|
||||||
|
# pixi
|
||||||
|
# Similar to Pipfile.lock, it is generally recommended to include pixi.lock in version control.
|
||||||
|
# pixi.lock
|
||||||
|
# Pixi creates a virtual environment in the .pixi directory, just like venv module creates one
|
||||||
|
# in the .venv directory. It is recommended not to include this directory in version control.
|
||||||
|
.pixi
|
||||||
|
|
||||||
|
# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
|
||||||
|
__pypackages__/
|
||||||
|
|
||||||
|
# Celery stuff
|
||||||
|
celerybeat-schedule
|
||||||
|
celerybeat.pid
|
||||||
|
|
||||||
|
# Redis
|
||||||
|
*.rdb
|
||||||
|
*.aof
|
||||||
|
*.pid
|
||||||
|
|
||||||
|
# RabbitMQ
|
||||||
|
mnesia/
|
||||||
|
rabbitmq/
|
||||||
|
rabbitmq-data/
|
||||||
|
|
||||||
|
# ActiveMQ
|
||||||
|
activemq-data/
|
||||||
|
|
||||||
|
# SageMath parsed files
|
||||||
|
*.sage.py
|
||||||
|
|
||||||
|
# Environments
|
||||||
|
.env
|
||||||
|
.envrc
|
||||||
|
.venv
|
||||||
|
env/
|
||||||
|
venv/
|
||||||
|
ENV/
|
||||||
|
env.bak/
|
||||||
|
venv.bak/
|
||||||
|
|
||||||
|
# Spyder project settings
|
||||||
|
.spyderproject
|
||||||
|
.spyproject
|
||||||
|
|
||||||
|
# Rope project settings
|
||||||
|
.ropeproject
|
||||||
|
|
||||||
|
# mkdocs documentation
|
||||||
|
/site
|
||||||
|
|
||||||
|
# mypy
|
||||||
|
.mypy_cache/
|
||||||
|
.dmypy.json
|
||||||
|
dmypy.json
|
||||||
|
|
||||||
|
# Pyre type checker
|
||||||
|
.pyre/
|
||||||
|
|
||||||
|
# pytype static type analyzer
|
||||||
|
.pytype/
|
||||||
|
|
||||||
|
# Cython debug symbols
|
||||||
|
cython_debug/
|
||||||
|
|
||||||
|
# PyCharm
|
||||||
|
# JetBrains specific template is maintained in a separate JetBrains.gitignore that can
|
||||||
|
# be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
|
||||||
|
# and can be added to the global gitignore or merged into this file. For a more nuclear
|
||||||
|
# option (not recommended) you can uncomment the following to ignore the entire idea folder.
|
||||||
|
# .idea/
|
||||||
|
|
||||||
|
# Abstra
|
||||||
|
# Abstra is an AI-powered process automation framework.
|
||||||
|
# Ignore directories containing user credentials, local state, and settings.
|
||||||
|
# Learn more at https://abstra.io/docs
|
||||||
|
.abstra/
|
||||||
|
|
||||||
|
# Visual Studio Code
|
||||||
|
# Visual Studio Code specific template is maintained in a separate VisualStudioCode.gitignore
|
||||||
|
# that can be found at https://github.com/github/gitignore/blob/main/Global/VisualStudioCode.gitignore
|
||||||
|
# and can be added to the global gitignore or merged into this file. However, if you prefer,
|
||||||
|
# you could uncomment the following to ignore the entire vscode folder
|
||||||
|
# .vscode/
|
||||||
|
|
||||||
|
# Ruff stuff:
|
||||||
|
.ruff_cache/
|
||||||
|
|
||||||
|
# PyPI configuration file
|
||||||
|
.pypirc
|
||||||
|
|
||||||
|
# Marimo
|
||||||
|
marimo/_static/
|
||||||
|
marimo/_lsp/
|
||||||
|
__marimo__/
|
||||||
|
|
||||||
|
# Streamlit
|
||||||
|
.streamlit/secrets.toml
|
||||||
|
|
||||||
|
# Direnv
|
||||||
|
.direnv
|
||||||
61
flake.lock
generated
Normal file
61
flake.lock
generated
Normal file
|
|
@ -0,0 +1,61 @@
|
||||||
|
{
|
||||||
|
"nodes": {
|
||||||
|
"flake-utils": {
|
||||||
|
"inputs": {
|
||||||
|
"systems": "systems"
|
||||||
|
},
|
||||||
|
"locked": {
|
||||||
|
"lastModified": 1731533236,
|
||||||
|
"narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
|
||||||
|
"owner": "numtide",
|
||||||
|
"repo": "flake-utils",
|
||||||
|
"rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
|
||||||
|
"type": "github"
|
||||||
|
},
|
||||||
|
"original": {
|
||||||
|
"owner": "numtide",
|
||||||
|
"repo": "flake-utils",
|
||||||
|
"type": "github"
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"nixpkgs": {
|
||||||
|
"locked": {
|
||||||
|
"lastModified": 1759733170,
|
||||||
|
"narHash": "sha256-TXnlsVb5Z8HXZ6mZoeOAIwxmvGHp1g4Dw89eLvIwKVI=",
|
||||||
|
"owner": "NixOS",
|
||||||
|
"repo": "nixpkgs",
|
||||||
|
"rev": "8913c168d1c56dc49a7718685968f38752171c3b",
|
||||||
|
"type": "github"
|
||||||
|
},
|
||||||
|
"original": {
|
||||||
|
"owner": "NixOS",
|
||||||
|
"ref": "nixos-unstable",
|
||||||
|
"repo": "nixpkgs",
|
||||||
|
"type": "github"
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"root": {
|
||||||
|
"inputs": {
|
||||||
|
"flake-utils": "flake-utils",
|
||||||
|
"nixpkgs": "nixpkgs"
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"systems": {
|
||||||
|
"locked": {
|
||||||
|
"lastModified": 1681028828,
|
||||||
|
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
|
||||||
|
"owner": "nix-systems",
|
||||||
|
"repo": "default",
|
||||||
|
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
|
||||||
|
"type": "github"
|
||||||
|
},
|
||||||
|
"original": {
|
||||||
|
"owner": "nix-systems",
|
||||||
|
"repo": "default",
|
||||||
|
"type": "github"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"root": "root",
|
||||||
|
"version": 7
|
||||||
|
}
|
||||||
26
flake.nix
Normal file
26
flake.nix
Normal file
|
|
@ -0,0 +1,26 @@
|
||||||
|
{
|
||||||
|
inputs = {
|
||||||
|
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
|
||||||
|
flake-utils.url = "github:numtide/flake-utils";
|
||||||
|
};
|
||||||
|
|
||||||
|
outputs = { self, nixpkgs, flake-utils, ... }:
|
||||||
|
flake-utils.lib.eachDefaultSystem (system:
|
||||||
|
let
|
||||||
|
pkgs = import nixpkgs {
|
||||||
|
inherit system;
|
||||||
|
};
|
||||||
|
in
|
||||||
|
{
|
||||||
|
devShells.default = pkgs.mkShell rec {
|
||||||
|
buildInputs = [
|
||||||
|
pkgs.opusTools
|
||||||
|
(pkgs.python3.withPackages (python-pkgs: with python-pkgs; [
|
||||||
|
black
|
||||||
|
click
|
||||||
|
]))
|
||||||
|
];
|
||||||
|
};
|
||||||
|
}
|
||||||
|
);
|
||||||
|
}
|
||||||
107
music_transcoder/__main__.py
Normal file
107
music_transcoder/__main__.py
Normal file
|
|
@ -0,0 +1,107 @@
|
||||||
|
from dataclasses import dataclass
|
||||||
|
import click
|
||||||
|
import os
|
||||||
|
import subprocess
|
||||||
|
|
||||||
|
INPUT_FILE_EXTS_OPUSENC = [
|
||||||
|
".flac",
|
||||||
|
".wav",
|
||||||
|
".aiff",
|
||||||
|
]
|
||||||
|
INPUT_FILE_EXTS_COPY = [
|
||||||
|
".opus",
|
||||||
|
".ogg", # this can also contain FLAC (fry about it)
|
||||||
|
".mp3",
|
||||||
|
".m4a",
|
||||||
|
]
|
||||||
|
|
||||||
|
|
||||||
|
def get_opusenc_args(
|
||||||
|
input_path: str,
|
||||||
|
output_path: str,
|
||||||
|
bitrate: int = 192,
|
||||||
|
) -> list[str]:
|
||||||
|
return [
|
||||||
|
"opusenc",
|
||||||
|
"--bitrate",
|
||||||
|
str(bitrate),
|
||||||
|
"--music",
|
||||||
|
input_path,
|
||||||
|
output_path,
|
||||||
|
]
|
||||||
|
|
||||||
|
|
||||||
|
@dataclass
|
||||||
|
class InputFile:
|
||||||
|
filepath: str
|
||||||
|
relpath: str
|
||||||
|
relpath_noext: str
|
||||||
|
transcode: bool
|
||||||
|
|
||||||
|
|
||||||
|
@click.option(
|
||||||
|
"--input-dir",
|
||||||
|
"-i",
|
||||||
|
type=click.Path(exists=True, dir_okay=True, file_okay=False, resolve_path=True),
|
||||||
|
)
|
||||||
|
@click.option(
|
||||||
|
"--output-dir",
|
||||||
|
"-o",
|
||||||
|
type=click.Path(
|
||||||
|
exists=False, dir_okay=True, file_okay=False, writable=True, resolve_path=True
|
||||||
|
),
|
||||||
|
)
|
||||||
|
@click.command()
|
||||||
|
def music_transcoder(input_dir, output_dir):
|
||||||
|
input_files: list[InputFile] = []
|
||||||
|
|
||||||
|
for dirpath, _, filenames in os.walk(input_dir):
|
||||||
|
for filename in filenames:
|
||||||
|
_, ext = os.path.splitext(filename)
|
||||||
|
|
||||||
|
transcode: bool
|
||||||
|
if ext in INPUT_FILE_EXTS_OPUSENC:
|
||||||
|
transcode = True
|
||||||
|
elif ext in INPUT_FILE_EXTS_COPY:
|
||||||
|
transcode = False
|
||||||
|
else:
|
||||||
|
print("[WARN] rejecting file:", dirpath, filename)
|
||||||
|
continue
|
||||||
|
|
||||||
|
filepath = os.path.join(dirpath, filename)
|
||||||
|
relpath = os.path.relpath(filepath, input_dir)
|
||||||
|
relpath_noext, _ = os.path.splitext(relpath)
|
||||||
|
input_files.append(
|
||||||
|
InputFile(
|
||||||
|
filepath=filepath,
|
||||||
|
relpath=relpath,
|
||||||
|
relpath_noext=relpath_noext,
|
||||||
|
transcode=transcode,
|
||||||
|
)
|
||||||
|
)
|
||||||
|
|
||||||
|
for input_file in input_files:
|
||||||
|
if input_file.transcode:
|
||||||
|
output_path = os.path.join(output_dir, input_file.relpath_noext + ".opus")
|
||||||
|
else:
|
||||||
|
output_path = os.path.join(output_dir, input_file.relpath)
|
||||||
|
|
||||||
|
if os.path.exists(output_path):
|
||||||
|
print("[WARN] skipping existing file", output_path)
|
||||||
|
continue
|
||||||
|
|
||||||
|
output_path_dir, _ = os.path.split(output_path)
|
||||||
|
os.makedirs(output_path_dir, exist_ok=True)
|
||||||
|
|
||||||
|
if not input_file.transcode:
|
||||||
|
print("[INFO] hardlinking lossy file →", output_path)
|
||||||
|
os.link(input_file.filepath, output_path)
|
||||||
|
continue
|
||||||
|
|
||||||
|
print("[INFO] transcoding lossless file →", output_path)
|
||||||
|
opusenc_args = get_opusenc_args(input_file.filepath, output_path)
|
||||||
|
subprocess.run(opusenc_args, check=True)
|
||||||
|
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
music_transcoder()
|
||||||
Loading…
Add table
Add a link
Reference in a new issue