NcmSharpCLI

A CLI ncm conversion tool

Can convert encrypted audio files in ncm format to flac or mp3 audio files

This software is intended for learning and research. Please comply with local laws and regulations, and abide the project license.

Framework

• .NET 9.0
• C# 13
• Support NativeAoT

Usage

    NcmSharpCLI [options]

Options:
    -p,--working-path <path>    Set the directory for storing ncm encrypted audio files
    -o,--output-path  <path>    Set the output directory
    -j,--jobs         <count>   Set the maximum decryption workflow
                                WARNNING: This option is used to specify the maximum asynchronous workflow limit,
                                which does not necessarily use all threads.
    -c,--use-memory-as-cache    Read the file and store it in the memory buffer before decrypting it.
    -i,--igonre-extension       Ignore file extensions and attempt to decrypt all files
    -h,--help                   print help and exit

Build

Envirnemt

Ubuntu 24.04.1 LTS

Before building, please make sure you have .NET 9.0 SDK on your computer

See also: Install .NET on Windows, Linux, and macOS

git clone https://github.com/LeZi9916/NcmSharpCLI

cd NcmSharpCLI
git submodule update --init --recursive

dotnet restore
dotnet build -c Release
# Build output path: bin/Release/net9.0/

License

MIT license

References

• taurusxin/ncmdump
• Majjcom/ncmpp