|
|
|
import re |
|
import base64 |
|
def to_data_url(midi_filename): |
|
""" This is crucial for Colab/WandB support. Thanks to Scott Hawley!! |
|
https://github.com/drscotthawley/midi-player/blob/main/midi_player/midi_player.py |
|
|
|
""" |
|
with open(midi_filename, "rb") as f: |
|
encoded_string = base64.b64encode(f.read()) |
|
return 'data:audio/midi;base64,'+encoded_string.decode('utf-8') |
|
|
|
|
|
def to_youtube_embed_url(video_url): |
|
regex = r"(?:https:\/\/)?(?:www\.)?(?:youtube\.com|youtu\.be)\/(?:watch\?v=)?(.+)" |
|
return re.sub(regex, r"https://www.youtube.com/embed/\1",video_url) |
|
|
|
|
|
def create_html_from_midi(midifile): |
|
html_template = """ |
|
<!DOCTYPE html> |
|
<html> |
|
<head> |
|
<title>Awesome MIDI Player</title> |
|
<script src="https://cdn.jsdelivr.net/combine/npm/tone@14.7.58,npm/@magenta/music@1.23.1/es6/core.js,npm/focus-visible@5,npm/html-midi-player@1.5.0"> |
|
</script> |
|
<style> |
|
/* Background color for the section */ |
|
#proll {{background-color:transparent}} |
|
|
|
/* Custom player style */ |
|
#proll midi-player {{ |
|
display: block; |
|
width: inherit; |
|
margin: 4px; |
|
margin-bottom: 0; |
|
transform-origin: top; |
|
transform: scaleY(0.8); /* Added scaleY */ |
|
}} |
|
|
|
#proll midi-player::part(control-panel) {{ |
|
background: #d8dae880; |
|
border-radius: 8px 8px 0 0; |
|
border: 1px solid #A0A0A0; |
|
}} |
|
|
|
/* Custom visualizer style */ |
|
#proll midi-visualizer .piano-roll-visualizer {{ |
|
background: #45507328; |
|
border-radius: 0 0 8px 8px; |
|
border: 1px solid #A0A0A0; |
|
margin: 4px; |
|
margin-top: 1; |
|
overflow: auto; |
|
transform-origin: top; |
|
transform: scaleY(0.8); /* Added scaleY */ |
|
}} |
|
|
|
#proll midi-visualizer svg rect.note {{ |
|
opacity: 0.6; |
|
stroke-width: 2; |
|
}} |
|
|
|
#proll midi-visualizer svg rect.note[data-instrument="0"] {{ |
|
fill: #e22; |
|
stroke: #055; |
|
}} |
|
|
|
#proll midi-visualizer svg rect.note[data-instrument="2"] {{ |
|
fill: #2ee; |
|
stroke: #055; |
|
}} |
|
|
|
#proll midi-visualizer svg rect.note[data-is-drum="true"] {{ |
|
fill: #888; |
|
stroke: #888; |
|
}} |
|
|
|
#proll midi-visualizer svg rect.note.active {{ |
|
opacity: 0.9; |
|
stroke: #34384F; |
|
}} |
|
|
|
/* Media queries for responsive scaling */ |
|
@media (max-width: 700px) {{ #proll midi-visualizer .piano-roll-visualizer {{transform-origin: top; transform: scaleY(0.75);}} }} |
|
@media (max-width: 500px) {{ #proll midi-visualizer .piano-roll-visualizer {{transform-origin: top; transform: scaleY(0.7);}} }} |
|
@media (max-width: 400px) {{ #proll midi-visualizer .piano-roll-visualizer {{transform-origin: top; transform: scaleY(0.6);}} }} |
|
@media (max-width: 300px) {{ #proll midi-visualizer .piano-roll-visualizer {{transform-origin: top; transform: scaleY(0.5);}} }} |
|
</style> |
|
</head> |
|
<body> |
|
<div> |
|
<a href="{midifile}" target="_blank" style="font-size: 14px;">Download MIDI</a> <br> |
|
</div> |
|
<div> |
|
<section id="proll"> |
|
<midi-player src="{midifile}" sound-font="https://storage.googleapis.com/magentadata/js/soundfonts/sgm_plus" visualizer="#proll midi-visualizer"> |
|
</midi-player> |
|
<midi-visualizer src="{midifile}"> |
|
</midi-visualizer> |
|
</section> |
|
</div> |
|
|
|
</body> |
|
</html> |
|
""".format(midifile=midifile) |
|
html = f"""<div style="display: flex; justify-content: center; align-items: center;"> |
|
<iframe style="width: 100%; height: 500px; overflow:hidden" srcdoc='{html_template}'></iframe> |
|
</div>""" |
|
return html |
|
|
|
def create_html_youtube_player(youtube_url): |
|
youtube_url = to_youtube_embed_url(youtube_url) |
|
html = f""" |
|
<div style="display: flex; justify-content: center; align-items: center; position: relative; width: 100%; height: 100%;"> |
|
<style> |
|
.responsive-iframe {{ width: 560px; height: 315px; transform-origin: top left; transition: width 0.3s ease, height 0.3s ease; }} |
|
@media (max-width: 560px) {{ .responsive-iframe {{ width: 100%; height: 100%; }} }} |
|
</style> |
|
<iframe class="responsive-iframe" src="{youtube_url}" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> |
|
</div> |
|
""" |
|
return html |
|
|
