Update app.py

app.py

@@ -28,7 +28,7 @@ in_space = os.getenv("SYSTEM") == "spaces"
 
 #==========================================================================================================
 
-def render_midi(input_midi, render_type, soundfont_bank, melody_patch):
+def render_midi(input_midi, render_type, soundfont_bank, render_sample_rate, melody_patch):
     
     print('*' * 70)
     print('Req start time: {:%Y-%m-%d %H:%M:%S}'.format(datetime.datetime.now(PDT)))
@@ -48,6 +48,7 @@ def render_midi(input_midi, render_type, soundfont_bank, melody_patch):
     print('Input MIDI md5 hash', input_midi_md5hash)
     print('Render type:', render_type)
     print('Soudnfont bank', soundfont_bank)
+    print('Audio render sample rate', render_sample_rate)
     print('Melody patch', melody_patch)
     
     print('=' * 70)
@@ -93,7 +94,7 @@ def render_midi(input_midi, render_type, soundfont_bank, melody_patch):
             e[6] = max(0, min(127, melody_patch))
 
             if e[4] < 60:
-                e[4] = (e[4] % 12) + 60
+                e[4] = (e[4] % 12) + 72
 
     elif render_type == "Transform":
         output_score = copy.deepcopy(escore)
@@ -149,10 +150,16 @@ def render_midi(input_midi, render_type, soundfont_bank, melody_patch):
     
     else:
         sf2bank = 0
+
+    if render_sample_rate in ["16000", "32000", "44100"]:
+        srate = int(render_sample_rate)
+    
+    else:
+        srate = 16000
     
     audio = midi_to_colab_audio(new_fn, 
                         soundfont_path=soundfonts[sf2bank],
-                        sample_rate=16000, # 44100
+                        sample_rate=srate,
                         volume_scale=10,
                         output_for_gradio=True
                         )
@@ -168,7 +175,7 @@ def render_midi(input_midi, render_type, soundfont_bank, melody_patch):
     output_midi_title = str(fn1)
     output_midi_summary = str(meta_data)
     output_midi = str(new_fn)
-    output_audio = (16000, audio)
+    output_audio = (srate, audio)
     output_plot = TMIDIX.plot_ms_SONG(output_score, plot_title=output_midi)
 
     print('Output MIDI file name:', output_midi)
@@ -228,6 +235,8 @@ if __name__ == "__main__":
 
         soundfont_bank = gr.Radio(["General MIDI", "Nice strings plus orchestra", "Real choir"], label="SoundFont bank", value="General MIDI")
 
+        render_sample_rate = gr.Radio(["16000", "32000", "44100"], label="MIDI audio render sample rate", value="16000")
+
         melody_patch = gr.Slider(0, 127, value=40, label="Melody MIDI Patch")
 
         submit = gr.Button()
@@ -241,7 +250,7 @@ if __name__ == "__main__":
         output_plot = gr.Plot(label="Output MIDI score plot")
         output_midi = gr.File(label="Output MIDI file", file_types=[".mid"])
         
-        run_event = submit.click(render_midi, [input_midi, render_type, soundfont_bank, melody_patch],
+        run_event = submit.click(render_midi, [input_midi, render_type, soundfont_bank, render_sample_rate, melody_patch],
                                                 [output_midi_md5, output_midi_title, output_midi_summary, output_midi, output_audio, output_plot])
         
     app.queue(1).launch(server_port=opt.port, share=opt.share, inbrowser=True)