back to file based audio output

app.py

@@ -13,27 +13,38 @@ def synthesize_speech(text):
     # Check for NSFW content
     nsfw_result = nsfw_detector(text)
     if nsfw_result[0]['label'] == 'NSFW':
-        yield "NSFW content detected. Cannot process."
-        return
+        return "NSFW content detected. Cannot process.", None
 
     model_path = hf_hub_download(repo_id="aigmixer/speaker_00", filename="speaker_00_model.onnx")
     config_path = hf_hub_download(repo_id="aigmixer/speaker_00", filename="speaker_00_model.onnx.json")
     voice = PiperVoice.load(model_path, config_path)
 
-    # Synthesize speech and stream audio
-    for audio_chunk in voice.synthesize(text, chunk_size=2048):
-        yield audio_chunk.tobytes()
+    # Create an in-memory buffer for the WAV file
+    buffer = BytesIO()
+    with wave.open(buffer, 'wb') as wav_file:
+        wav_file.setframerate(voice.config.sample_rate)
+        wav_file.setsampwidth(2)  # 16-bit
+        wav_file.setnchannels(1)  # mono
+
+        # Synthesize speech
+        voice.synthesize(text, wav_file)
+
+    # Convert buffer to NumPy array for Gradio output
+    buffer.seek(0)
+    audio_data = np.frombuffer(buffer.read(), dtype=np.int16)
+
+    return audio_data.tobytes(), None
 
 # Using Gradio Blocks
 with gr.Blocks(theme=gr.themes.Base()) as blocks:
     gr.Markdown("# Text to Speech Synthesizer")
     gr.Markdown("Enter text to synthesize it into speech using PiperVoice.")
     input_text = gr.Textbox(label="Input Text")
-    output_audio = gr.Audio(label="Synthesized Speech", type="numpy", streaming=True)
+    output_audio = gr.Audio(label="Synthesized Speech", type="numpy")
+    output_text = gr.Textbox(label="Output Text", visible=False)  # This is the new text output component
     submit_button = gr.Button("Synthesize")
 
-    submit_button.click(synthesize_speech, inputs=input_text, outputs=output_audio)
+    submit_button.click(synthesize_speech, inputs=input_text, outputs=[output_audio, output_text])
 
 # Run the app
-blocks.launch()
-
+blocks.launch()