Create app.py

app.py

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+import gradio as gr
+import mido
+import pygame
+import threading
+import time
+
+# Function to play MIDI
+def play_midi(file):
+    pygame.midi.init()
+    port = pygame.midi.Output(0)
+    mid = mido.MidiFile(file.name)
+    for msg in mid.play():
+        if msg.type == 'note_on':
+            port.note_on(msg.note, msg.velocity)
+        elif msg.type == 'note_off':
+            port.note_off(msg.note, msg.velocity)
+    port.close()
+    pygame.midi.quit()
+
+# Function to visualize MIDI
+def visualize_midi(file):
+    mid = mido.MidiFile(file.name)
+    events = []
+    for track in mid.tracks:
+        for msg in track:
+            if msg.type in ['note_on', 'note_off']:
+                events.append((msg.time, msg.type, msg.note, msg.velocity))
+
+    # Create a simple visualization (text-based for this example)
+    visualization = ""
+    current_time = 0
+    for event in events:
+        current_time += event[0]
+        visualization += f"Time: {current_time}, Type: {event[1]}, Note: {event[2]}, Velocity: {event[3]}\n"
+    return visualization
+
+# Gradio interface
+def midi_interface(file):
+    # Start playing MIDI in a separate thread to avoid blocking
+    threading.Thread(target=play_midi, args=(file,)).start()
+    
+    # Return visualization
+    visualization = visualize_midi(file)
+    return visualization
+
+# Gradio blocks
+with gr.Blocks() as demo:
+    midi_file = gr.File(label="Upload MIDI File")
+    visualization_output = gr.Textbox(label="MIDI Visualization", lines=20)
+    play_btn = gr.Button("Play MIDI and Visualize")
+    
+    play_btn.click(fn=midi_interface, inputs=midi_file, outputs=visualization_output)
+
+demo.launch()