v0.3.1 fix multi-style gradio bug; add features suggested #591

src/f5_tts/infer/infer_gradio.py

@@ -120,6 +120,14 @@ def infer(
     speed=1,
     show_info=gr.Info,
 ):
+    if not ref_audio_orig:
+        gr.Warning("Please provide reference audio.")
+        return gr.update(), gr.update(), ref_text
+
+    if not gen_text.strip():
+        gr.Warning("Please enter text to generate.")
+        return gr.update(), gr.update(), ref_text
+
     ref_audio, ref_text = preprocess_ref_audio_text(ref_audio_orig, ref_text, show_info=show_info)
 
     if model == "F5-TTS":
@@ -240,7 +248,7 @@ with gr.Blocks() as app_tts:
             nfe_step=nfe_slider,
             speed=speed_slider,
         )
-        return audio_out, spectrogram_path, gr.update(value=ref_text_out)
+        return audio_out, spectrogram_path, ref_text_out
 
     generate_btn.click(
         basic_tts,
@@ -320,7 +328,7 @@ with gr.Blocks() as app_multistyle:
     )
 
     # Regular speech type (mandatory)
-    with gr.Row():
+    with gr.Row() as regular_row:
         with gr.Column():
             regular_name = gr.Textbox(value="Regular", label="Speech Type Name")
             regular_insert = gr.Button("Insert Label", variant="secondary")
@@ -329,12 +337,12 @@ with gr.Blocks() as app_multistyle:
 
     # Regular speech type (max 100)
     max_speech_types = 100
-    speech_type_rows = []  # 99
-    speech_type_names = [regular_name]  # 100
-    speech_type_audios = [regular_audio]  # 100
-    speech_type_ref_texts = [regular_ref_text]  # 100
-    speech_type_delete_btns = []  # 99
-    speech_type_insert_btns = [regular_insert]  # 100
+    speech_type_rows = [regular_row]
+    speech_type_names = [regular_name]
+    speech_type_audios = [regular_audio]
+    speech_type_ref_texts = [regular_ref_text]
+    speech_type_delete_btns = [None]
+    speech_type_insert_btns = [regular_insert]
 
     # Additional speech types (99 more)
     for i in range(max_speech_types - 1):
@@ -355,51 +363,32 @@ with gr.Blocks() as app_multistyle:
     # Button to add speech type
     add_speech_type_btn = gr.Button("Add Speech Type")
 
-    # Keep track of current number of speech types
-    speech_type_count = gr.State(value=1)
+    # Keep track of autoincrement of speech types, no roll back
+    speech_type_count = 1
 
     # Function to add a speech type
-    def add_speech_type_fn(speech_type_count):
+    def add_speech_type_fn():
+        row_updates = [gr.update() for _ in range(max_speech_types)]
+        global speech_type_count
         if speech_type_count < max_speech_types:
+            row_updates[speech_type_count] = gr.update(visible=True)
             speech_type_count += 1
-            # Prepare updates for the rows
-            row_updates = []
-            for i in range(1, max_speech_types):
-                if i < speech_type_count:
-                    row_updates.append(gr.update(visible=True))
-                else:
-                    row_updates.append(gr.update())
         else:
-            # Optionally, show a warning
-            row_updates = [gr.update() for _ in range(1, max_speech_types)]
-        return [speech_type_count] + row_updates
+            gr.Warning("Exhausted maximum number of speech types. Consider restart the app.")
+        return row_updates
 
-    add_speech_type_btn.click(
-        add_speech_type_fn, inputs=speech_type_count, outputs=[speech_type_count] + speech_type_rows
-    )
+    add_speech_type_btn.click(add_speech_type_fn, outputs=speech_type_rows)
 
     # Function to delete a speech type
-    def make_delete_speech_type_fn(index):
-        def delete_speech_type_fn(speech_type_count):
-            # Prepare updates
-            row_updates = []
-
-            for i in range(1, max_speech_types):
-                if i == index:
-                    row_updates.append(gr.update(visible=False))
-                else:
-                    row_updates.append(gr.update())
-
-            speech_type_count = max(1, speech_type_count)
-
-            return [speech_type_count] + row_updates
-
-        return delete_speech_type_fn
+    def delete_speech_type_fn():
+        return gr.update(visible=False), None, None, None
 
     # Update delete button clicks
-    for i, delete_btn in enumerate(speech_type_delete_btns):
-        delete_fn = make_delete_speech_type_fn(i)
-        delete_btn.click(delete_fn, inputs=speech_type_count, outputs=[speech_type_count] + speech_type_rows)
+    for i in range(1, len(speech_type_delete_btns)):
+        speech_type_delete_btns[i].click(
+            delete_speech_type_fn,
+            outputs=[speech_type_rows[i], speech_type_names[i], speech_type_audios[i], speech_type_ref_texts[i]],
+        )
 
     # Text input for the prompt
     gen_text_input_multistyle = gr.Textbox(
@@ -413,7 +402,7 @@ with gr.Blocks() as app_multistyle:
             current_text = current_text or ""
             speech_type_name = speech_type_name or "None"
             updated_text = current_text + f"{{{speech_type_name}}} "
-            return gr.update(value=updated_text)
+            return updated_text
 
         return insert_speech_type_fn
 
@@ -473,10 +462,14 @@ with gr.Blocks() as app_multistyle:
             if style in speech_types:
                 current_style = style
             else:
-                # If style not available, default to Regular
+                gr.Warning(f"Type {style} is not available, will use Regular as default.")
                 current_style = "Regular"
 
-            ref_audio = speech_types[current_style]["audio"]
+            try:
+                ref_audio = speech_types[current_style]["audio"]
+            except KeyError:
+                gr.Warning(f"Please provide reference audio for type {current_style}.")
+                return [None] + [speech_types[style]["ref_text"] for style in speech_types]
             ref_text = speech_types[current_style].get("ref_text", "")
 
             # Generate speech for this segment
@@ -491,12 +484,10 @@ with gr.Blocks() as app_multistyle:
         # Concatenate all audio segments
         if generated_audio_segments:
             final_audio_data = np.concatenate(generated_audio_segments)
-            return [(sr, final_audio_data)] + [
-                gr.update(value=speech_types[style]["ref_text"]) for style in speech_types
-            ]
+            return [(sr, final_audio_data)] + [speech_types[style]["ref_text"] for style in speech_types]
         else:
             gr.Warning("No audio generated.")
-            return [None] + [gr.update(value=speech_types[style]["ref_text"]) for style in speech_types]
+            return [None] + [speech_types[style]["ref_text"] for style in speech_types]
 
     generate_multistyle_btn.click(
         generate_multistyle_speech,
@@ -514,7 +505,7 @@ with gr.Blocks() as app_multistyle:
 
     # Validation function to disable Generate button if speech types are missing
     def validate_speech_types(gen_text, regular_name, *args):
-        speech_type_names_list = args[:max_speech_types]
+        speech_type_names_list = args
 
         # Collect the speech types names
         speech_types_available = set()
@@ -678,7 +669,7 @@ Have a conversation with an AI using your reference voice!
                 speed=1.0,
                 show_info=print,  # show_info=print no pull to top when generating
             )
-            return audio_result, gr.update(value=ref_text_out)
+            return audio_result, ref_text_out
 
         def clear_conversation():
             """Reset the conversation"""
@@ -828,7 +819,10 @@ If you're having issues, try converting your reference audio to WAV or MP3, clip
             visible=False,
         )
         custom_model_cfg = gr.Dropdown(
-            choices=[DEFAULT_TTS_MODEL_CFG[2]],
+            choices=[
+                DEFAULT_TTS_MODEL_CFG[2],
+                json.dumps(dict(dim=768, depth=18, heads=12, ff_mult=2, text_dim=512, conv_layers=4)),
+            ],
             value=load_last_used_custom()[2],
             allow_custom_value=True,
             label="Config: in a dictionary form",