Unroll
Unroll is a Python module to ease transcription of piano rolls to sheet music. It transcribes either a MIDI file or a video of a piano roll. It finds the notes, the tempo, roughly separates the hands, and writes the result in a Lilypond file. In particular
You can use it like this:
# TO TRANSCRIBE FROM A VIDEO
from unroll import video2scan, rollscan2keystrikes
focus = lambda im : im[[156],58:478]
scan = video2scan(videofile = "limehouse_nights.mp4", focus = focus)
keystrikes = rollscan2keystrikes(scan)
keystrikes = ks.transposed(26)
keystrikes.transcribe('score.ly', quarter_durations = [2,10,0.02])
# TO TRANSCRIBE FROM A MIDI FILE
from unroll import midi2keystrikes
keystrikes = midi2keystrikes('tiger_rag.mid')
ks.transcribe('score.ly', quarter_durations = [50,100,0.02])
Then you must edit score.ly to correct the mistakes and when you are done you compile it with
lilypond score.ly
Installation
Unroll can be installed by unzipping the source code in one directory and using this command:
(sudo) python setup.py install
You can also install it directly from the Python Package Index (PYPI) with this command:
(sudo) pip unroll install
Contribute
Unroll is an open-source software originally written by Zulko and released under the MIT licence. The project is hosted on Github and everyone is welcome to contribute ! Please give feedback if you are using it and encounter difficulties.
1 maintainer
Metadata
1 maintainer
Release files for unroll 0.1.0
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
|---|---|---|---|---|
| unroll-0.1.0.tar.gz | 7.3 kB | Without provenance | Details for unroll-0.1.0.tar.gz |
Release files / unroll-0.1.0.tar.gz
| Download URL | unroll-0.1.0.tar.gz |
|---|---|
| Size | 7.3 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
2de37a1a04c3ee7a92c005a3798cb71a6addd1ba7136e454404785902121c753
|
|
BLAKE2b-256 checksum How to use checksums |
fe3c124bdf4276e582c8e4e23ce27c4462a259f6608df8e550d30f003f2b4189
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
No |
Security for unroll 0.1.0
Provenance
Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.
No provenance found
None of the files in this release were uploaded with provenance metadata.
A note on package security
PyPI is a repository for distributing packages, not a service for auditing them. While third-party security researchers and our staff do their best to detect and remove malicious packages, PyPI cannot guarantee the quality, security or suitability of any given package.
To learn more about protecting yourself from malicious actors, visit our package security documentation.
