Update app.py

app.py

@@ -1,55 +1,41 @@
 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>
+def play_midi(midi_file):
+    # You would use a library like mido to handle the MIDI file
+    # For the purpose of this example, we'll just return the MIDI file path
+    return midi_file.name
 
+css = """
+<style>
+    .note.active {
+        stroke: black;
+        stroke-width: 0.75;
+        stroke-opacity: 0.75;
+    }
+    midi-visualizer {
+        display: block;
+        overflow-x: scroll;
+    }
+</style>
+"""
+
+html = """
+<div id="midi_visualizer_container"></div>
+<audio id="midi_audio" controls>
+    <source src="{{ midi_url }}" type="audio/midi">
+    Your browser does not support the audio element.
+</audio>
 <script>
-    // Insert the provided JavaScript code here
+    // JavaScript code for handling MIDI visualization and playback
+    // Paste 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])
+    midi_file = gr.File(label="Upload MIDI File", file_count="single", file_types=[".mid"])
+    gr.Markdown(css)
+    midi_url = gr.Variable(value="")
+    gr.Markdown(html)
+    midi_file.change(fn=play_midi, inputs=midi_file, outputs=midi_url)
 
 demo.launch()