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import gradio as gr
# HTML and JavaScript for the MidiVisualizer
visualizer_html = """
<midi-visualizer></midi-visualizer>
<div id="midi_visualizer_container" style="width: 100%;"></div>
<audio id="midi_audio" controls></audio>
<script>
// Insert the provided JavaScript code here
</script>
"""
def process_midi(midi_file):
# Process the MIDI file and return the visualization and audio
midi_data = midi_file.read()
# You would need to implement the actual MIDI parsing and event extraction logic here.
# For the sake of example, let's assume we generate MIDI events and an audio file.
midi_events = extract_midi_events(midi_data)
audio_file = generate_audio_from_midi(midi_data)
# Send MIDI events to the visualizer via messages
for event in midi_events:
gr.send_message("visualizer_append", {"data": event})
gr.send_message("visualizer_end")
return visualizer_html, audio_file
def extract_midi_events(midi_data):
# Dummy implementation to extract MIDI events from midi_data
# Replace this with actual MIDI parsing logic
return [
["note", 0, 1, 1, 0, 60, 127],
["note", 1, 1, 1, 0, 64, 127],
["note", 2, 1, 1, 0, 67, 127],
]
def generate_audio_from_midi(midi_data):
# Dummy implementation to generate an audio file from midi_data
# Replace this with actual audio generation logic
return "path/to/generated/audio/file.mp3"
# Gradio UI
with gr.Blocks() as demo:
with gr.Row():
gr.Markdown("# MIDI Visualizer")
with gr.Row():
midi_input = gr.File(label="Upload MIDI File")
with gr.Row():
output_html = gr.HTML()
audio_output = gr.Audio()
midi_input.change(process_midi, inputs=midi_input, outputs=[output_html, audio_output])
demo.launch()
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