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