import os import gradio as gr from groq import Groq import tempfile import requests import json import base64 from pathlib import Path import time import sys import platform import torch from collections import defaultdict import spaces # ========== ADD THIS FUNCTION FOR ZEROGPU COMPATIBILITY ========== @spaces.GPU def gpu_detection(): """Required for ZeroGPU spaces - detects GPU availability""" import torch if torch.cuda.is_available(): return "GPU available: " + torch.cuda.get_device_name(0) else: return "No GPU available - running on CPU" # Or if you want a simpler version without torch dependency: def gpu_detection(): """Required for ZeroGPU spaces - detects GPU availability""" try: import torch if torch.cuda.is_available(): return f"GPU: {torch.cuda.get_device_name(0)}" else: return "No GPU available" except ImportError: return "PyTorch not installed" # Available English voices for different providers groq_voices = [ "Arista-PlayAI", "Atlas-PlayAI", "Basil-PlayAI", "Briggs-PlayAI", "Calum-PlayAI", "Celeste-PlayAI", "Cheyenne-PlayAI", "Chip-PlayAI", "Cillian-PlayAI", "Deedee-PlayAI", "Fritz-PlayAI", "Gail-PlayAI", "Indigo-PlayAI", "Mamaw-PlayAI", "Mason-PlayAI", "Mikail-PlayAI", "Mitch-PlayAI", "Quinn-PlayAI", "Thunder-PlayAI" ] # OpenAI voices (if user has OpenAI API key) openai_voices = ["alloy", "ash", "coral", "sage", "echo", "fable", "onyx", "nova", "shimmer"] # Edge TTS voices (free, no API key required) edge_voices = [ "af-ZA-AdriNeural", "af-ZA-WillemNeural", "sq-AL-AnilaNeural", "sq-AL-IlirNeural", "am-ET-AmehaNeural", "am-ET-MekdesNeural", "ar-DZ-AminaNeural", "ar-DZ-IsmaelNeural", "ar-BH-AliNeural", "ar-BH-LailaNeural", "ar-EG-SalmaNeural", "ar-EG-ShakirNeural", "ar-IQ-BasselNeural", "ar-IQ-RanaNeural", "ar-JO-SanaNeural", "ar-JO-TaimNeural", "ar-KW-FahedNeural", "ar-KW-NouraNeural", "ar-LB-LaylaNeural", "ar-LB-RamiNeural", "ar-LY-ImanNeural", "ar-LY-OmarNeural", "ar-MA-JamalNeural", "ar-MA-MounaNeural", "ar-OM-AbdullahNeural", "ar-OM-AyshaNeural", "ar-QA-AmalNeural", "ar-QA-MoazNeural", "ar-SA-HamedNeural", "ar-SA-ZariyahNeural", "ar-SY-AmanyNeural", "ar-SY-LaithNeural", "ar-TN-HediNeural", "ar-TN-ReemNeural", "ar-AE-FatimaNeural", "ar-AE-HamdanNeural", "ar-YE-MaryamNeural", "ar-YE-SalehNeural", "az-AZ-BabekNeural", "az-AZ-BanuNeural", "bn-BD-NabanitaNeural", "bn-BD-PradeepNeural", "bn-IN-BashkarNeural", "bn-IN-TanishaaNeural", "bs-BA-GoranNeural", "bs-BA-VesnaNeural", "bg-BG-BorislavNeural", "bg-BG-KalinaNeural", "my-MM-NilarNeural", "my-MM-ThihaNeural", "ca-ES-EnricNeural", "ca-ES-JoanaNeural", "zh-HK-HiuGaaiNeural", "zh-HK-HiuMaanNeural", "zh-HK-WanLungNeural", "zh-CN-XiaoxiaoNeural", "zh-CN-XiaoyiNeural", "zh-CN-YunjianNeural", "zh-CN-YunxiNeural", "zh-CN-YunxiaNeural", "zh-CN-YunyangNeural", "zh-CN-liaoning-XiaobeiNeural", "zh-TW-HsiaoChenNeural", "zh-TW-YunJheNeural", "zh-TW-HsiaoYuNeural", "zh-CN-shaanxi-XiaoniNeural", "hr-HR-GabrijelaNeural", "hr-HR-SreckoNeural", "cs-CZ-AntoninNeural", "cs-CZ-VlastaNeural", "da-DK-ChristelNeural", "da-DK-JeppeNeural", "nl-BE-ArnaudNeural", "nl-BE-DenaNeural", "nl-NL-ColetteNeural", "nl-NL-FennaNeural", "nl-NL-MaartenNeural", "en-AU-NatashaNeural", "en-AU-WilliamNeural", "en-CA-ClaraNeural", "en-CA-LiamNeural", "en-HK-SamNeural", "en-HK-YanNeural", "en-IN-NeerjaNeural", "en-IN-PrabhatNeural", "en-IE-ConnorNeural", "en-IE-EmilyNeural", "en-KE-AsiliaNeural", "en-KE-ChilembaNeural", "en-NZ-MitchellNeural", "en-NZ-MollyNeural", "en-NG-AbeoNeural", "en-NG-EzinneNeural", "en-PH-JamesNeural", "en-PH-RosaNeural", "en-SG-LunaNeural", "en-SG-WayneNeural", "en-ZA-LeahNeural", "en-ZA-LukeNeural", "en-TZ-ElimuNeural", "en-TZ-ImaniNeural", "en-GB-LibbyNeural", "en-GB-MaisieNeural", "en-GB-RyanNeural", "en-GB-SoniaNeural", "en-GB-ThomasNeural", "en-US-AriaNeural", "en-US-AnaNeural", "en-US-ChristopherNeural", "en-US-EricNeural", "en-US-GuyNeural", "en-US-JennyNeural", "en-US-MichelleNeural", "en-US-RogerNeural", "en-US-SteffanNeural", "et-EE-AnuNeural", "et-EE-KertNeural", "fil-PH-AngeloNeural", "fil-PH-BlessicaNeural", "fi-FI-HarriNeural", "fi-FI-NooraNeural", "fr-BE-CharlineNeural", "fr-BE-GerardNeural", "fr-CA-AntoineNeural", "fr-CA-JeanNeural", "fr-CA-SylvieNeural", "fr-FR-DeniseNeural", "fr-FR-EloiseNeural", "fr-FR-HenriNeural", "fr-CH-ArianeNeural", "fr-CH-FabriceNeural", "gl-ES-RoiNeural", "gl-ES-SabelaNeural", "ka-GE-EkaNeural", "ka-GE-GiorgiNeural", "de-AT-IngridNeural", "de-AT-JonasNeural", "de-DE-AmalaNeural", "de-DE-ConradNeural", "de-DE-KatjaNeural", "de-DE-KillianNeural", "de-CH-JanNeural", "de-CH-LeniNeural", "el-GR-AthinaNeural", "el-GR-NestorasNeural", "gu-IN-DhwaniNeural", "gu-IN-NiranjanNeural", "he-IL-AvriNeural", "he-IL-HilaNeural", "hi-IN-MadhurNeural", "hi-IN-SwaraNeural", "hu-HU-NoemiNeural", "hu-HU-TamasNeural", "is-IS-GudrunNeural", "is-IS-GunnarNeural", "id-ID-ArdiNeural", "id-ID-GadisNeural", "ga-IE-ColmNeural", "ga-IE-OrlaNeural", "it-IT-DiegoNeural", "it-IT-ElsaNeural", "it-IT-IsabellaNeural", "ja-JP-KeitaNeural", "ja-JP-NanamiNeural", "jv-ID-DimasNeural", "jv-ID-SitiNeural", "kn-IN-GaganNeural", "kn-IN-SapnaNeural", "kk-KZ-AigulNeural", "kk-KZ-DauletNeural", "km-KH-PisethNeural", "km-KH-SreymomNeural", "ko-KR-InJoonNeural", "ko-KR-SunHiNeural", "lo-LA-ChanthavongNeural", "lo-LA-KeomanyNeural", "lv-LV-EveritaNeural", "lv-LV-NilsNeural", "lt-LT-LeonasNeural", "lt-LT-OnaNeural", "mk-MK-AleksandarNeural", "mk-MK-MarijaNeural", "ms-MY-OsmanNeural", "ms-MY-YasminNeural", "ml-IN-MidhunNeural", "ml-IN-SobhanaNeural", "mt-MT-GraceNeural", "mt-MT-JosephNeural", "mr-IN-AarohiNeural", "mr-IN-ManoharNeural", "mn-MN-BataaNeural", "mn-MN-YesuiNeural", "ne-NP-HemkalaNeural", "ne-NP-SagarNeural", "nb-NO-FinnNeural", "nb-NO-PernilleNeural", "ps-AF-GulNawazNeural", "ps-AF-LatifaNeural", "fa-IR-DilaraNeural", "fa-IR-FaridNeural", "pl-PL-MarekNeural", "pl-PL-ZofiaNeural", "pt-BR-AntonioNeural", "pt-BR-FranciscaNeural", "pt-PT-DuarteNeural", "pt-PT-RaquelNeural", "ro-RO-AlinaNeural", "ro-RO-EmilNeural", "ru-RU-DmitryNeural", "ru-RU-SvetlanaNeural", "sr-RS-NicholasNeural", "sr-RS-SophieNeural", "si-LK-SameeraNeural", "si-LK-ThiliniNeural", "sk-SK-LukasNeural", "sk-SK-ViktoriaNeural", "sl-SI-PetraNeural", "sl-SI-RokNeural", "so-SO-MuuseNeural", "so-SO-UbaxNeural", "es-AR-ElenaNeural", "es-AR-TomasNeural", "es-BO-MarceloNeural", "es-BO-SofiaNeural", "es-CL-CatalinaNeural", "es-CL-LorenzoNeural", "es-CO-GonzaloNeural", "es-CO-SalomeNeural", "es-CR-JuanNeural", "es-CR-MariaNeural", "es-CU-BelkysNeural", "es-CU-ManuelNeural", "es-DO-EmilioNeural", "es-DO-RamonaNeural", "es-EC-AndreaNeural", "es-EC-LuisNeural", "es-SV-LorenaNeural", "es-SV-RodrigoNeural", "es-GQ-JavierNeural", "es-GQ-TeresaNeural", "es-GT-AndresNeural", "es-GT-MartaNeural", "es-HN-CarlosNeural", "es-HN-KarlaNeural", "es-MX-DaliaNeural", "es-MX-JorgeNeural", "es-MX-LorenzoEsCLNeural", "es-NI-FedericoNeural", "es-NI-YolandaNeural", "es-PA-MargaritaNeural", "es-PA-RobertoNeural", "es-PY-MarioNeural", "es-PY-TaniaNeural", "es-PE-AlexNeural", "es-PE-CamilaNeural", "es-PR-KarinaNeural", "es-PR-VictorNeural", "es-ES-AlvaroNeural", "es-ES-ElviraNeural", "es-ES-ManuelEsCUNeural", "es-US-AlonsoNeural", "es-US-PalomaNeural", "es-UY-MateoNeural", "es-UY-ValentinaNeural", "es-VE-PaolaNeural", "es-VE-SebastianNeural", "su-ID-JajangNeural", "su-ID-TutiNeural", "sw-KE-RafikiNeural", "sw-KE-ZuriNeural", "sw-TZ-DaudiNeural", "sw-TZ-RehemaNeural", "sv-SE-MattiasNeural", "sv-SE-SofieNeural", "ta-IN-PallaviNeural", "ta-IN-ValluvarNeural", "ta-MY-KaniNeural", "ta-MY-SuryaNeural", "ta-SG-AnbuNeural", "ta-SG-VenbaNeural", "ta-LK-KumarNeural", "ta-LK-SaranyaNeural", "te-IN-MohanNeural", "te-IN-ShrutiNeural", "th-TH-NiwatNeural", "th-TH-PremwadeeNeural", "tr-TR-AhmetNeural", "tr-TR-EmelNeural", "uk-UA-OstapNeural", "uk-UA-PolinaNeural", "ur-IN-GulNeural", "ur-IN-SalmanNeural", "ur-PK-AsadNeural", "ur-PK-UzmaNeural", "uz-UZ-MadinaNeural", "uz-UZ-SardorNeural", "vi-VN-HoaiMyNeural", "vi-VN-NamMinhNeural", "cy-GB-AledNeural", "cy-GB-NiaNeural", "zu-ZA-ThandoNeural", "zu-ZA-ThembaNeural" ] # Country code to country name mapping country_mapping = { 'ZA': 'South Africa', 'AL': 'Albania', 'ET': 'Ethiopia', 'DZ': 'Algeria', 'BH': 'Bahrain', 'EG': 'Egypt', 'IQ': 'Iraq', 'JO': 'Jordan', 'KW': 'Kuwait', 'LB': 'Lebanon', 'LY': 'Libya', 'MA': 'Morocco', 'OM': 'Oman', 'QA': 'Qatar', 'SA': 'Saudi Arabia', 'SY': 'Syria', 'TN': 'Tunisia', 'AE': 'United Arab Emirates', 'YE': 'Yemen', 'AZ': 'Azerbaijan', 'BD': 'Bangladesh', 'IN': 'India', 'BA': 'Bosnia and Herzegovina', 'BG': 'Bulgaria', 'MM': 'Myanmar', 'ES': 'Spain', 'HK': 'Hong Kong', 'CN': 'China', 'TW': 'Taiwan', 'HR': 'Croatia', 'CZ': 'Czech Republic', 'DK': 'Denmark', 'BE': 'Belgium', 'NL': 'Netherlands', 'AU': 'Australia', 'CA': 'Canada', 'IE': 'Ireland', 'KE': 'Kenya', 'NZ': 'New Zealand', 'NG': 'Nigeria', 'PH': 'Philippines', 'SG': 'Singapore', 'TZ': 'Tanzania', 'GB': 'United Kingdom', 'US': 'United States', 'EE': 'Estonia', 'FI': 'Finland', 'FR': 'France', 'CH': 'Switzerland', 'GE': 'Georgia', 'AT': 'Austria', 'DE': 'Germany', 'GR': 'Greece', 'GU': 'India', # Gujarati 'IL': 'Israel', 'HU': 'Hungary', 'IS': 'Iceland', 'ID': 'Indonesia', 'IT': 'Italy', 'JP': 'Japan', 'KN': 'India', # Kannada 'KZ': 'Kazakhstan', 'KH': 'Cambodia', 'KR': 'South Korea', 'LA': 'Laos', 'LV': 'Latvia', 'LT': 'Lithuania', 'MK': 'North Macedonia', 'MY': 'Malaysia', 'ML': 'India', # Malayalam 'MT': 'Malta', 'MR': 'India', # Marathi 'MN': 'Mongolia', 'NP': 'Nepal', 'NO': 'Norway', 'AF': 'Afghanistan', 'IR': 'Iran', 'PL': 'Poland', 'BR': 'Brazil', 'PT': 'Portugal', 'RO': 'Romania', 'RU': 'Russia', 'RS': 'Serbia', 'LK': 'Sri Lanka', 'SK': 'Slovakia', 'SI': 'Slovenia', 'SO': 'Somalia', 'AR': 'Argentina', 'BO': 'Bolivia', 'CL': 'Chile', 'CO': 'Colombia', 'CR': 'Costa Rica', 'CU': 'Cuba', 'DO': 'Dominican Republic', 'EC': 'Ecuador', 'SV': 'El Salvador', 'GQ': 'Equatorial Guinea', 'GT': 'Guatemala', 'HN': 'Honduras', 'MX': 'Mexico', 'NI': 'Nicaragua', 'PA': 'Panama', 'PY': 'Paraguay', 'PE': 'Peru', 'PR': 'Puerto Rico', 'UY': 'Uruguay', 'VE': 'Venezuela', 'SU': 'Indonesia', # Sundanese 'KE': 'Kenya', 'SE': 'Sweden', 'TA': 'India', # Tamil 'LK': 'Sri Lanka', # Tamil 'SG': 'Singapore', # Tamil 'MY': 'Malaysia', # Tamil 'TE': 'India', # Telugu 'TH': 'Thailand', 'TR': 'Turkey', 'UA': 'Ukraine', 'PK': 'Pakistan', 'UZ': 'Uzbekistan', 'VN': 'Vietnam', 'CY': 'Wales', 'ZU': 'South Africa' # Zulu } # Create a dictionary to group voices by country voices_by_country = defaultdict(list) for voice in edge_voices: country_code = voice.split('-')[1] country_name = country_mapping.get(country_code, country_code) voices_by_country[country_name].append(voice) # Function to display voices for selected country def display_voices(country): voices = voices_by_country.get(country, []) if not voices: return "No voices available for this country." return "\n".join(voices) def check_internet_connection(): """Check if internet connection is available""" try: import socket socket.create_connection(("8.8.8.8", 53), timeout=3) return True except OSError: return False def chunk_text(text, max_length=4000): """Split text into chunks to avoid rate limits""" if len(text) <= max_length: return [text] chunks = [] words = text.split() current_chunk = [] current_length = 0 for word in words: if current_length + len(word) + 1 <= max_length: current_chunk.append(word) current_length += len(word) + 1 else: if current_chunk: chunks.append(" ".join(current_chunk)) current_chunk = [word] current_length = len(word) if current_chunk: chunks.append(" ".join(current_chunk)) return chunks def try_groq_tts(api_key, text, voice): """Try Groq TTS with chunking and retry logic""" try: if not check_internet_connection(): return None, "❌ No internet connection available for Groq TTS" client = Groq(api_key=api_key) # Check if text needs chunking chunks = chunk_text(text, 3500) # Leave some buffer if len(chunks) == 1: # Single chunk - direct call response = client.audio.speech.create( model="playai-tts", voice=voice, input=text, response_format="wav" ) with tempfile.NamedTemporaryFile(suffix=".wav", delete=False) as temp_file: response.write_to_file(temp_file.name) return temp_file.name, "✅ Speech generated successfully with Groq PlayAI!" else: # Multiple chunks - process separately and inform user return None, f"⚠️ Text too long for single request ({len(text)} chars). Try shorter text or use Edge TTS for longer content." except Exception as e: error_msg = str(e) if "rate_limit_exceeded" in error_msg: return None, "🔄 Groq rate limit reached. Switching to alternative providers..." elif "429" in error_msg: return None, "🔄 Groq rate limit reached. Switching to alternative providers..." else: return None, f"❌ Groq error: {error_msg}" def try_openai_tts(api_key, text, voice): """Try OpenAI TTS as fallback""" try: if not check_internet_connection(): return None, "❌ No internet connection available for OpenAI TTS" import openai client = openai.OpenAI(api_key=api_key) response = client.audio.speech.create( model="tts-1", voice=voice, input=text[:4096] # OpenAI limit ) with tempfile.NamedTemporaryFile(suffix=".wav", delete=False) as temp_file: response.stream_to_file(temp_file.name) return temp_file.name, "✅ Speech generated successfully with OpenAI TTS!" except ImportError: return None, "❌ OpenAI library not installed. Install with: pip install openai" except Exception as e: return None, f"❌ OpenAI error: {str(e)}" def try_edge_tts(text, voice="en-US-JennyNeural"): """Try Microsoft Edge TTS as free fallback""" try: if not check_internet_connection(): return None, "❌ No internet connection available for Edge TTS" import edge_tts import asyncio async def generate_edge_speech(): communicate = edge_tts.Communicate(text, voice) # No character limit for Edge TTS with tempfile.NamedTemporaryFile(suffix=".mp3", delete=False) as temp_file: async for chunk in communicate.stream(): if chunk["type"] == "audio": temp_file.write(chunk["data"]) return temp_file.name # Run async function try: loop = asyncio.get_event_loop() except RuntimeError: loop = asyncio.new_event_loop() asyncio.set_event_loop(loop) audio_file = loop.run_until_complete(generate_edge_speech()) return audio_file, "✅ Speech generated successfully with Microsoft Edge TTS (Free & High Quality)!" except ImportError: return None, "❌ Edge TTS not installed. Install with: pip install edge-tts" except Exception as e: return None, f"❌ Edge TTS error: {str(e)}" def try_pyttsx3_fallback(text): """Ultimate fallback using pyttsx3 (offline)""" try: import pyttsx3 # Initialize the engine engine = pyttsx3.init() # Get available voices and set a good one voices = engine.getProperty('voices') if voices: # Try to find a female English voice first, then any English voice english_voice = None for voice in voices: voice_id = voice.id.lower() voice_name = voice.name.lower() if hasattr(voice, 'name') else "" # Look for English voices if any(keyword in voice_id or keyword in voice_name for keyword in ['english', 'en-us', 'en_us', 'zira', 'hazel', 'eva']): english_voice = voice.id if any(female_keyword in voice_name for female_keyword in ['zira', 'hazel', 'eva', 'female']): break # Prefer female voices if english_voice: engine.setProperty('voice', english_voice) # Set properties for better quality engine.setProperty('rate', 180) # Speed of speech (words per minute) engine.setProperty('volume', 0.9) # Volume level (0.0 to 1.0) # Create temporary file with tempfile.NamedTemporaryFile(suffix=".wav", delete=False) as temp_file: temp_path = temp_file.name # Limit text length for stability and split into sentences for better processing limited_text = text[:2000] # Limit for stability # Use the save_to_file method correctly engine.save_to_file(limited_text, temp_path) engine.runAndWait() # Check if file was created and has content if os.path.exists(temp_path) and os.path.getsize(temp_path) > 0: return temp_path, "✅ Speech generated with offline TTS! (No internet required)" else: # If save_to_file didn't work, try alternative method return try_alternative_offline_tts(limited_text) except ImportError: return None, "❌ pyttsx3 not installed. Install with: pip install pyttsx3" except Exception as e: # Try alternative offline method if pyttsx3 fails return try_alternative_offline_tts(text[:2000]) def try_alternative_offline_tts(text): """Alternative offline TTS using system commands""" try: system = platform.system().lower() with tempfile.NamedTemporaryFile(suffix=".wav", delete=False) as temp_file: temp_path = temp_file.name if system == "windows": # Windows SAPI TTS try: import win32com.client speaker = win32com.client.Dispatch("SAPI.SpVoice") # Save to file file_stream = win32com.client.Dispatch("SAPI.SpFileStream") file_stream.Open(temp_path, 3) speaker.AudioOutputStream = file_stream speaker.Speak(text) file_stream.Close() if os.path.exists(temp_path) and os.path.getsize(temp_path) > 0: return temp_path, "✅ Speech generated with Windows SAPI TTS (Offline)!" except ImportError: pass elif system == "darwin": # macOS # Use macOS 'say' command import subprocess try: subprocess.run(['say', '-o', temp_path, '--data-format=LEF32@22050', text], check=True, timeout=30) if os.path.exists(temp_path) and os.path.getsize(temp_path) > 0: return temp_path, "✅ Speech generated with macOS TTS (Offline)!" except (subprocess.CalledProcessError, subprocess.TimeoutExpired, FileNotFoundError): pass elif system == "linux": # Try espeak or festival on Linux import subprocess try: # Try espeak first subprocess.run(['espeak', '-w', temp_path, text], check=True, timeout=30) if os.path.exists(temp_path) and os.path.getsize(temp_path) > 0: return temp_path, "✅ Speech generated with espeak TTS (Offline)!" except (subprocess.CalledProcessError, subprocess.TimeoutExpired, FileNotFoundError): try: # Try festival as backup subprocess.run(['text2wave', '-o', temp_path], input=text, text=True, check=True, timeout=30) if os.path.exists(temp_path) and os.path.getsize(temp_path) > 0: return temp_path, "✅ Speech generated with Festival TTS (Offline)!" except (subprocess.CalledProcessError, subprocess.TimeoutExpired, FileNotFoundError): pass return None, f"❌ No offline TTS available for {system}. Install: pip install pyttsx3" except Exception as e: return None, f"❌ Alternative offline TTS error: {str(e)}" # Main function with multiple provider fallback def generate_speech(groq_api_key, openai_api_key, text, voice_provider, voice): if not text: return None, "⚠️ Please enter some text to generate speech." # Apply 10,000 character limit for providers other than Edge TTS if voice_provider != "Edge TTS (Free)" and len(text) > 10000: return None, "🚫 Text input exceeds 10,000 character limit for this provider. Try Edge TTS for unlimited text length." # Check internet connection has_internet = check_internet_connection() internet_status = "🌐 Internet: Connected" if has_internet else "📴 Internet: Offline" # Status message status_msg = f"🔄 Generating speech...\n{internet_status}\n" # If no internet and user selected online provider, inform them if not has_internet and voice_provider in ["Groq (PlayAI)", "OpenAI TTS", "Edge TTS (Free)"]: status_msg += "⚠️ No internet connection. Using offline TTS...\n" audio_file, message = try_pyttsx3_fallback(text) if audio_file: return audio_file, status_msg + message else: return None, status_msg + message # Try providers in order based on selection if voice_provider == "Groq (PlayAI)" and groq_api_key and has_internet: status_msg += "🎯 Using Groq PlayAI...\n" audio_file, message = try_groq_tts(groq_api_key, text, voice) if audio_file: return audio_file, message else: status_msg += f"❌ Groq failed: {message}\n" # Fallback to OpenAI if available if openai_api_key and voice_provider in ["OpenAI TTS", "Auto (Try All)"] and has_internet: status_msg += "🔄 Trying OpenAI TTS...\n" openai_voice = voice if voice in openai_voices else "alloy" audio_file, message = try_openai_tts(openai_api_key, text, openai_voice) if audio_file: return audio_file, message else: status_msg += f"❌ OpenAI failed: {message}\n" # Try Edge TTS (Free) - Only if internet available if voice_provider in ["Edge TTS (Free)", "Auto (Try All)"] and (has_internet or not groq_api_key): if has_internet: status_msg += "🔄 Using Edge TTS (Free & High Quality)...\n" edge_voice = voice if voice in edge_voices else "en-US-JennyNeural" audio_file, message = try_edge_tts(text, edge_voice) if audio_file: return audio_file, message else: status_msg += f"❌ Edge TTS failed: {message}\n" else: status_msg += "❌ Edge TTS requires internet connection\n" # Ultimate fallback - pyttsx3 (offline) - ALWAYS TRY THIS IF OTHERS FAIL status_msg += "🔄 Using offline TTS (works without internet)...\n" audio_file, message = try_pyttsx3_fallback(text) if audio_file: return audio_file, status_msg + message else: status_msg += f"❌ Offline TTS failed: {message}\n" return None, status_msg + "❌ All TTS providers failed. Please check your setup or try shorter text." def update_voice_options(provider): """Update voice dropdown based on selected provider""" if provider == "Groq (PlayAI)": return gr.Dropdown(choices=groq_voices, value="Fritz-PlayAI", visible=True) elif provider == "OpenAI TTS": return gr.Dropdown(choices=openai_voices, value="alloy", visible=True) elif provider == "Edge TTS (Free)": return gr.Dropdown(choices=edge_voices, value="en-US-JennyNeural", visible=True) elif provider == "Offline TTS": return gr.Dropdown(choices=["Default System Voice"], value="Default System Voice", visible=True) else: # Auto return gr.Dropdown(choices=groq_voices, value="Fritz-PlayAI", visible=True, label="🎭 Voice (Auto mode will try best match)") # Custom CSS (unchanged) custom_css = """ @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap'); * { box-sizing: border-box; } :root { --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%); --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); --dark-bg: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%); --glass-bg: rgba(255, 255, 255, 0.08); --glass-border: rgba(255, 255, 255, 0.15); --text-primary: #ffffff; --text-secondary: rgba(255, 255, 255, 0.7); --shadow-primary: 0 8px 32px rgba(0, 0, 0, 0.4); --shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.6); --border-radius: 16px; } body, .gradio-container { background: var(--dark-bg) !important; font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important; color: var(--text-primary) !important; overflow-x: hidden; } .gradio-container { max-width: 1400px !important; margin: 40px auto !important; padding: 0 20px !important; min-height: 100vh; } .gradio-container > div { background: var(--glass-bg) !important; backdrop-filter: blur(20px) !important; border: 1px solid var(--glass-border) !important; border-radius: var(--border-radius) !important; padding: 40px !important; box-shadow: var(--shadow-primary) !important; position: relative; overflow: hidden; } h1 { text-align: center !important; font-size: clamp(2.5rem, 5vw, 4rem) !important; font-weight: 700 !important; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important; -webkit-background-clip: text !important; -webkit-text-fill-color: transparent !important; background-clip: text !important; margin: 0 0 50px 0 !important; animation: glow 3s ease-in-out infinite alternate; } @keyframes glow { 0% { filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.3)); } 100% { filter: drop-shadow(0 0 30px rgba(118, 75, 162, 0.5)); } } #generate-btn { background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%) !important; border: 2px solid #4facfe !important; color: #ffffff !important; font-weight: bold !important; box-shadow: 0 0 12px rgba(0, 242, 254, 0.5) !important; transition: all 0.3s ease !important; margin-top: 8.5px !important; } #generate-btn:hover { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%) !important; transform: scale(1.03) !important; box-shadow: 0 0 18px rgba(0, 242, 254, 0.7) !important; } .gr-textbox, .gr-dropdown { background: var(--glass-bg) !important; border: 2px solid transparent !important; border-radius: 12px !important; position: relative; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important; backdrop-filter: blur(10px) !important; } .gr-textbox textarea, .gr-textbox input, .gr-dropdown select { background: transparent !important; color: var(--text-primary) !important; border: none !important; font-size: 16px !important; font-weight: 400 !important; padding: 16px !important; } .gr-input-label, .gr-output-label { color: var(--text-primary) !important; font-weight: 600 !important; font-size: 14px !important; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 12px !important; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; } .gr-button { background: var(--primary-gradient) !important; border: none !important; color: white !important; font-weight: 600 !important; font-size: 16px !important; padding: 16px 32px !important; border-radius: 12px !important; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important; text-transform: uppercase; letter-spacing: 0.5px; box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3) !important; margin-top: 20px !important; } .gr-button:hover { transform: translateY(-2px) !important; box-shadow: var(--shadow-hover) !important; filter: brightness(1.1); } .gr-audio { background: var(--glass-bg) !important; border: 1px solid var(--glass-border) !important; border-radius: 12px !important; padding: 20px !important; backdrop-filter: blur(10px) !important; transition: all 0.3s ease !important; } .info-box { background: rgba(0, 242, 254, 0.1) !important; border: 1px solid rgba(0, 242, 254, 0.3) !important; border-radius: 12px !important; padding: 20px !important; margin: 20px 0 !important; backdrop-filter: blur(10px) !important; } .info-box, .info-box * { color: white !important; } .warning-box, .warning-box * { color: white !important; } .no-api-box { background: rgba(46, 204, 113, 0.1) !important; border: 1px solid rgba(46, 204, 113, 0.3) !important; border-radius: 12px !important; padding: 20px !important; margin: 20px 0 !important; backdrop-filter: blur(10px) !important; } .no-api-box, .no-api-box * { color: white !important; } .warning-box { background: rgba(255, 193, 7, 0.1) !important; border: 1px solid rgba(255, 193, 7, 0.3) !important; border-radius: 12px !important; padding: 15px !important; margin: 15px 0 !important; backdrop-filter: blur(10px) !important; } .offline-box { background: rgba(255, 87, 34, 0.1) !important; border: 1px solid rgba(255, 87, 34, 0.3) !important; border-radius: 12px !important; padding: 20px !important; margin: 20px 0 !important; backdrop-filter: blur(10px) !important; } .offline-box, .offline-box * { color: white !important; } #voice-selector-header h3{ text-align: center !important; font-size: 1.5rem !important; font-weight: 600 !important; margin-bottom: 20px !important; color: white !important; } """ custom_html = """
Transform your text into natural-sounding speech with multiple AI-powered voice providers
Select "Offline TTS" to use system TTS without any internet connection!
✅ Works completely offline but in local pc not in HF space env • ✅ No API keys needed • ✅ Always available as fallback • 🚫 10,000 char limit
Select "Edge TTS (Free)" for online high-quality TTS with no character limit or "Offline TTS" for no internet!
✅ Edge TTS: High quality voices with internet, unlimited text and various language support • ✅ Offline TTS: Basic quality, works anywhere, 10,000 char limit
🔄 Multiple Providers Available: Groq PlayAI, OpenAI TTS, Microsoft Edge TTS (Free), Offline TTS
🛡️ Smart Fallback System: If one provider fails, automatically tries the next available
💡 Recommended: Use "Auto (Try All)" for maximum reliability or specific providers based on your needs
📏 Text Limits: Edge TTS (Unlimited), Groq/OpenAI/Offline (10,000 chars)
⚠️ Important: If you don't have API keys or internet, you have multiple options:
📴 Offline Option (Always Works):
🆓 Free Online Option (High Quality):
🔑 Premium Options (Optional):
🚀 Smart Auto Mode:
💡 Tips:
Enjoy generating high-quality speech with ease! 🎤