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import os
import asyncio
import logging
import tempfile
import requests
from datetime import datetime
import edge_tts
import gradio as gr
import torch
from transformers import GPT2Tokenizer, GPT2LMHeadModel
from keybert import KeyBERT
from moviepy.editor import VideoFileClip, concatenate_videoclips, AudioFileClip, CompositeAudioClip, concatenate_audioclips, AudioClip
import re
import math
import shutil
import json
from collections import Counter
import time
logging.basicConfig(
level=logging.DEBUG,
format='%(asctime)s - %(levelname)s - %(message)s',
handlers=[
logging.StreamHandler(),
logging.FileHandler('video_generator_full.log', encoding='utf-8')
]
)
logger = logging.getLogger(__name__)
logger.info("="*80)
logger.info("INICIO DE EJECUCIÓN - GENERADOR DE VIDEOS")
logger.info("="*80)
VOCES_DISPONIBLES = {
"Español (España)": {
"es-ES-JuanNeural": "Juan (España) - Masculino",
"es-ES-ElviraNeural": "Elvira (España) - Femenino",
"es-ES-AlvaroNeural": "Álvaro (España) - Masculino",
"es-ES-AbrilNeural": "Abril (España) - Femenino",
"es-ES-ArnauNeural": "Arnau (España) - Masculino",
"es-ES-DarioNeural": "Darío (España) - Masculino",
"es-ES-EliasNeural": "Elías (España) - Masculino",
"es-ES-EstrellaNeural": "Estrella (España) - Femenino",
"es-ES-IreneNeural": "Irene (España) - Femenino",
"es-ES-LaiaNeural": "Laia (España) - Femenino",
"es-ES-LiaNeural": "Lía (España) - Femenino",
"es-ES-NilNeural": "Nil (España) - Masculino",
"es-ES-SaulNeural": "Saúl (España) - Masculino",
"es-ES-TeoNeural": "Teo (España) - Masculino",
"es-ES-TrianaNeural": "Triana (España) - Femenino",
"es-ES-VeraNeural": "Vera (España) - Femenino"
},
"Español (México)": {
"es-MX-JorgeNeural": "Jorge (México) - Masculino",
"es-MX-DaliaNeural": "Dalia (México) - Femenino",
"es-MX-BeatrizNeural": "Beatriz (México) - Femenino",
"es-MX-CandelaNeural": "Candela (México) - Femenino",
"es-MX-CarlotaNeural": "Carlota (México) - Femenino",
"es-MX-CecilioNeural": "Cecilio (México) - Masculino",
"es-MX-GerardoNeural": "Gerardo (México) - Masculino",
"es-MX-LarissaNeural": "Larissa (México) - Femenino",
"es-MX-LibertoNeural": "Liberto (México) - Masculino",
"es-MX-LucianoNeural": "Luciano (México) - Masculino",
"es-MX-MarinaNeural": "Marina (México) - Femenino",
"es-MX-NuriaNeural": "Nuria (México) - Femenino",
"es-MX-PelayoNeural": "Pelayo (México) - Masculino",
"es-MX-RenataNeural": "Renata (México) - Femenino",
"es-MX-YagoNeural": "Yago (México) - Masculino"
},
"Español (Argentina)": {
"es-AR-TomasNeural": "Tomás (Argentina) - Masculino",
"es-AR-ElenaNeural": "Elena (Argentina) - Femenino"
},
"Español (Colombia)": {
"es-CO-GonzaloNeural": "Gonzalo (Colombia) - Masculino",
"es-CO-SalomeNeural": "Salomé (Colombia) - Femenino"
},
"Español (Chile)": {
"es-CL-LorenzoNeural": "Lorenzo (Chile) - Masculino",
"es-CL-CatalinaNeural": "Catalina (Chile) - Femenino"
},
"Español (Perú)": {
"es-PE-AlexNeural": "Alex (Perú) - Masculino",
"es-PE-CamilaNeural": "Camila (Perú) - Femenino"
},
"Español (Venezuela)": {
"es-VE-PaolaNeural": "Paola (Venezuela) - Femenino",
"es-VE-SebastianNeural": "Sebastián (Venezuela) - Masculino"
},
"Español (Estados Unidos)": {
"es-US-AlonsoNeural": "Alonso (Estados Unidos) - Masculino",
"es-US-PalomaNeural": "Paloma (Estados Unidos) - Femenino"
}
}
def get_voice_choices():
choices = []
for region, voices in VOCES_DISPONIBLES.items():
for voice_id, voice_name in voices.items():
choices.append((f"{voice_name} ({region})", voice_id))
return choices
AVAILABLE_VOICES = get_voice_choices()
DEFAULT_VOICE_ID = "es-ES-JuanNeural"
DEFAULT_VOICE_NAME = DEFAULT_VOICE_ID
for text, voice_id in AVAILABLE_VOICES:
if voice_id == DEFAULT_VOICE_ID:
DEFAULT_VOICE_NAME = text
break
if DEFAULT_VOICE_ID not in [v[1] for v in AVAILABLE_VOICES]:
DEFAULT_VOICE_ID = AVAILABLE_VOICES[0][1] if AVAILABLE_VOICES else "en-US-AriaNeural"
DEFAULT_VOICE_NAME = AVAILABLE_VOICES[0][0] if AVAILABLE_VOICES else "Aria (United States) - Female"
logger.info(f"Voz por defecto seleccionada (ID): {DEFAULT_VOICE_ID}")
PEXELS_API_KEY = os.environ.get("PEXELS_API_KEY")
if not PEXELS_API_KEY:
logger.critical("NO SE ENCONTRÓ PEXELS_API_KEY EN VARIABLES DE ENTORNO")
MODEL_NAME = "datificate/gpt2-small-spanish"
logger.info(f"Inicializando modelo GPT-2: {MODEL_NAME}")
tokenizer = None
model = None
try:
tokenizer = GPT2Tokenizer.from_pretrained(MODEL_NAME)
model = GPT2LMHeadModel.from_pretrained(MODEL_NAME).eval()
if tokenizer.pad_token is None:
tokenizer.pad_token = tokenizer.eos_token
logger.info(f"Modelo GPT-2 cargado | Vocabulario: {len(tokenizer)} tokens")
except Exception as e:
logger.error(f"FALLA CRÍTICA al cargar GPT-2: {str(e)}", exc_info=True)
tokenizer = model = None
logger.info("Cargando modelo KeyBERT...")
kw_model = None
try:
kw_model = KeyBERT('distilbert-base-multilingual-cased')
logger.info("KeyBERT inicializado correctamente")
except Exception as e:
logger.error(f"FALLA al cargar KeyBERT: {str(e)}", exc_info=True)
kw_model = None
def buscar_videos_pexels(query, api_key, per_page=5):
if not api_key:
logger.warning("No se puede buscar en Pexels: API Key no configurada.")
return []
logger.debug(f"Buscando en Pexels: '{query}' | Resultados: {per_page}")
headers = {"Authorization": api_key}
try:
params = {
"query": query,
"per_page": per_page,
"orientation": "landscape",
"size": "medium"
}
response = requests.get(
"https://api.pexels.com/videos/search",
headers=headers,
params=params,
timeout=20
)
response.raise_for_status()
data = response.json()
videos = data.get('videos', [])
logger.info(f"Pexels: {len(videos)} videos encontrados para '{query}'")
return videos
except requests.exceptions.RequestException as e:
logger.error(f"Error de conexión Pexels para '{query}': {str(e)}")
except json.JSONDecodeError:
logger.error(f"Pexels: JSON inválido recibido | Status: {response.status_code} | Respuesta: {response.text[:200]}...")
except Exception as e:
logger.error(f"Error inesperado Pexels para '{query}': {str(e)}", exc_info=True)
return []
def generate_script(prompt, max_length=150):
logger.info(f"Generando guión | Prompt: '{prompt[:50]}...' | Longitud máxima: {max_length}")
if not tokenizer or not model:
logger.warning("Modelos GPT-2 no disponibles - Usando prompt original como guion.")
return prompt.strip()
instruction_phrase_start = "Escribe un guion corto, interesante y coherente sobre:"
ai_prompt = f"{instruction_phrase_start} {prompt}"
try:
inputs = tokenizer(ai_prompt, return_tensors="pt", truncation=True, max_length=512)
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
model.to(device)
inputs = {k: v.to(device) for k, v in inputs.items()}
outputs = model.generate(
**inputs,
max_length=max_length + inputs[list(inputs.keys())[0]].size(1),
do_sample=True,
top_p=0.9,
top_k=40,
temperature=0.7,
repetition_penalty=1.2,
pad_token_id=tokenizer.pad_token_id,
eos_token_id=tokenizer.eos_token_id,
no_repeat_ngram_size=3
)
text = tokenizer.decode(outputs[0], skip_special_tokens=True)
cleaned_text = text.strip()
try:
prompt_in_output_idx = text.lower().find(prompt.lower())
if prompt_in_output_idx != -1:
cleaned_text = text[prompt_in_output_idx + len(prompt):].strip()
logger.debug("Texto limpiado tomando parte después del prompt original.")
else:
instruction_start_idx = text.find(instruction_phrase_start)
if instruction_start_idx != -1:
cleaned_text = text[instruction_start_idx + len(instruction_phrase_start):].strip()
logger.debug("Texto limpiado tomando parte después de la frase de instrucción base.")
else:
logger.warning("No se pudo identificar el inicio del guión generado. Usando texto generado completo.")
cleaned_text = text.strip()
except Exception as e:
logger.warning(f"Error durante la limpieza heurística del guión de IA: {e}. Usando texto generado sin limpieza adicional.")
cleaned_text = re.sub(r'<[^>]+>', '', text).strip()
if not cleaned_text or len(cleaned_text) < 10:
logger.warning("El guión generado parece muy corto o vacío después de la limpieza heurística. Usando el texto generado original (sin limpieza adicional).")
cleaned_text = re.sub(r'<[^>]+>', '', text).strip()
cleaned_text = re.sub(r'<[^>]+>', '', cleaned_text).strip()
cleaned_text = cleaned_text.lstrip(':').strip()
cleaned_text = cleaned_text.lstrip('.').strip()
sentences = cleaned_text.split('.')
if sentences and sentences[0].strip():
final_text = sentences[0].strip() + '.'
if len(sentences) > 1 and sentences[1].strip() and len(final_text.split()) < max_length * 0.7:
final_text += " " + sentences[1].strip() + "."
final_text = final_text.replace("..", ".")
logger.info(f"Guion generado final (Truncado a 100 chars): '{final_text[:100]}...'")
return final_text.strip()
logger.info(f"Guion generado final (sin oraciones completas detectadas - Truncado): '{cleaned_text[:100]}...'")
return cleaned_text.strip()
except Exception as e:
logger.error(f"Error generando guion con GPT-2 (fuera del bloque de limpieza): {str(e)}", exc_info=True)
logger.warning("Usando prompt original como guion debido al error de generación.")
return prompt.strip()
async def text_to_speech(text, output_path, voice):
logger.info(f"Convirtiendo texto a voz | Caracteres: {len(text)} | Voz: {voice} | Salida: {output_path}")
if not text or not text.strip():
logger.warning("Texto vacío para TTS")
return False
try:
communicate = edge_tts.Communicate(text, voice)
await communicate.save(output_path)
if os.path.exists(output_path) and os.path.getsize(output_path) > 100:
logger.info(f"Audio guardado exitosamente en: {output_path} | Tamaño: {os.path.getsize(output_path)} bytes")
return True
else:
logger.error(f"TTS guardó un archivo pequeño o vacío en: {output_path}")
return False
except Exception as e:
logger.error(f"Error en TTS con voz '{voice}': {str(e)}", exc_info=True)
return False
def download_video_file(url, temp_dir):
if not url:
logger.warning("URL de video no proporcionada para descargar")
return None
try:
logger.info(f"Descargando video desde: {url[:80]}...")
os.makedirs(temp_dir, exist_ok=True)
file_name = f"video_dl_{datetime.now().strftime('%Y%m%d_%H%M%S_%f')}.mp4"
output_path = os.path.join(temp_dir, file_name)
with requests.get(url, stream=True, timeout=60) as r:
r.raise_for_status()
with open(output_path, 'wb') as f:
for chunk in r.iter_content(chunk_size=8192):
f.write(chunk)
if os.path.exists(output_path) and os.path.getsize(output_path) > 1000:
logger.info(f"Video descargado exitosamente: {output_path} | Tamaño: {os.path.getsize(output_path)} bytes")
return output_path
else:
logger.warning(f"Descarga parece incompleta o vacía para {url[:80]}... Archivo: {output_path} Tamaño: {os.path.getsize(output_path) if os.path.exists(output_path) else 'N/A'} bytes")
if os.path.exists(output_path):
os.remove(output_path)
return None
except requests.exceptions.RequestException as e:
logger.error(f"Error de descarga para {url[:80]}... : {str(e)}")
except Exception as e:
logger.error(f"Error inesperado descargando {url[:80]}... : {str(e)}", exc_info=True)
return None
def loop_audio_to_length(audio_clip, target_duration):
logger.debug(f"Ajustando audio | Duración actual: {audio_clip.duration:.2f}s | Objetivo: {target_duration:.2f}s")
if audio_clip is None or audio_clip.duration is None or audio_clip.duration <= 0:
logger.warning("Input audio clip is invalid (None or zero duration), cannot loop.")
try:
sr = getattr(audio_clip, 'fps', 44100) if audio_clip else 44100
return AudioClip(lambda t: 0, duration=target_duration, fps=sr)
except Exception as e:
logger.error(f"Could not create silence clip: {e}", exc_info=True)
return AudioFileClip(filename="")
if audio_clip.duration >= target_duration:
logger.debug("Audio clip already longer or equal to target. Trimming.")
trimmed_clip = audio_clip.subclip(0, target_duration)
if trimmed_clip.duration is None or trimmed_clip.duration <= 0:
logger.error("Trimmed audio clip is invalid.")
try:
trimmed_clip.close()
except:
pass
return AudioFileClip(filename="")
return trimmed_clip
loops = math.ceil(target_duration / audio_clip.duration)
logger.debug(f"Creando {loops} loops de audio")
audio_segments = [audio_clip] * loops
looped_audio = None
final_looped_audio = None
try:
looped_audio = concatenate_audioclips(audio_segments)
if looped_audio.duration is None or looped_audio.duration <= 0:
logger.error("Concatenated audio clip is invalid (None or zero duration).")
raise ValueError("Invalid concatenated audio.")
final_looped_audio = looped_audio.subclip(0, target_duration)
if final_looped_audio.duration is None or final_looped_audio.duration <= 0:
logger.error("Final subclipped audio clip is invalid (None or zero duration).")
raise ValueError("Invalid final subclipped audio.")
return final_looped_audio
except Exception as e:
logger.error(f"Error concatenating/subclipping audio clips for looping: {str(e)}", exc_info=True)
try:
if audio_clip.duration is not None and audio_clip.duration > 0:
logger.warning("Returning original audio clip (may be too short).")
return audio_clip.subclip(0, min(audio_clip.duration, target_duration))
except:
pass
logger.error("Fallback to original audio clip failed.")
return AudioFileClip(filename="")
finally:
if looped_audio is not None and looped_audio is not final_looped_audio:
try:
looped_audio.close()
except:
pass
def extract_visual_keywords_from_script(script_text):
logger.info("Extrayendo palabras clave del guion")
if not script_text or not script_text.strip():
logger.warning("Guion vacío, no se pueden extraer palabras clave.")
return ["naturaleza", "ciudad", "paisaje"]
clean_text = re.sub(r'[^\w\sáéíóúñÁÉÍÓÚÑ]', '', script_text)
keywords_list = []
if kw_model:
try:
logger.debug("Intentando extracción con KeyBERT...")
keywords1 = kw_model.extract_keywords(clean_text, keyphrase_ngram_range=(1, 1), stop_words='spanish', top_n=5)
keywords2 = kw_model.extract_keywords(clean_text, keyphrase_ngram_range=(2, 2), stop_words='spanish', top_n=3)
all_keywords = keywords1 + keywords2
all_keywords.sort(key=lambda item: item[1], reverse=True)
seen_keywords = set()
for keyword, score in all_keywords:
formatted_keyword = keyword.lower().replace(" ", "+")
if formatted_keyword and formatted_keyword not in seen_keywords:
keywords_list.append(formatted_keyword)
seen_keywords.add(formatted_keyword)
if len(keywords_list) >= 5:
break
if keywords_list:
logger.debug(f"Palabras clave extraídas por KeyBERT: {keywords_list}")
return keywords_list
except Exception as e:
logger.warning(f"KeyBERT falló: {str(e)}. Intentando método simple.")
logger.debug("Extrayendo palabras clave con método simple...")
words = clean_text.lower().split()
stop_words = {"el", "la", "los", "las", "de", "en", "y", "a", "que", "es", "un", "una", "con", "para", "del", "al", "por", "su", "sus", "se", "lo", "le", "me", "te", "nos", "os", "les", "mi", "tu",
"nuestro", "vuestro", "este", "ese", "aquel", "esta", "esa", "aquella", "esto", "eso", "aquello", "mis", "tus",
"nuestros", "vuestros", "estas", "esas", "aquellas", "si", "no", "más", "menos", "sin", "sobre", "bajo", "entre", "hasta", "desde", "durante", "mediante", "según", "versus", "via", "cada", "todo", "todos", "toda", "todas", "poco", "pocos", "poca", "pocas", "mucho", "muchos", "mucha", "muchas", "varios", "varias", "otro", "otros", "otra", "otras", "mismo", "misma", "mismos", "mismas", "tan", "tanto", "tanta", "tantos", "tantas", "tal", "tales", "cual", "cuales", "cuyo", "cuya", "cuyos", "cuyas", "quien", "quienes", "cuan", "cuanto", "cuanta", "cuantos", "cuantas", "como", "donde", "cuando", "porque", "aunque", "mientras", "siempre", "nunca", "jamás", "muy", "casi", "solo", "solamente", "incluso", "apenas", "quizás", "tal vez", "acaso", "claro", "cierto", "obvio", "evidentemente", "realmente", "simplemente", "generalmente", "especialmente", "principalmente", "posiblemente", "probablemente", "difícilmente", "fácilmente", "rápidamente", "lentamente", "bien", "mal", "mejor", "peor", "arriba", "abajo", "adelante", "atrás", "cerca", "lejos", "dentro", "fuera", "encima", "debajo", "frente", "detrás", "antes", "después", "luego", "pronto", "tarde", "todavía", "ya", "aun", "aún", "quizá"}
valid_words = [word for word in words if len(word) > 3 and word not in stop_words]
if not valid_words:
logger.warning("No se encontraron palabras clave válidas con método simple. Usando palabras clave predeterminadas.")
return ["espiritual", "terror", "matrix", "arcontes", "galaxia", "creepy", "magia", "gangstalking","conspiracy",]
word_counts = Counter(valid_words)
top_keywords = [word.replace(" ", "+") for word, _ in word_counts.most_common(5)]
if not top_keywords:
logger.warning("El método simple no produjo keywords. Usando palabras clave predeterminadas.")
return ["espiritual", "terror", "matrix", "arcontes", "galaxia", "creepy", "magia", "gangstalking","conspiracy",]
logger.info(f"Palabras clave finales: {top_keywords}")
return top_keywords
def crear_video(prompt_type, input_text, selected_voice, musica_file=None):
logger.info("="*80)
logger.info(f"INICIANDO CREACIÓN DE VIDEO | Tipo: {prompt_type}")
logger.debug(f"Input: '{input_text[:100]}...'")
logger.info(f"Voz seleccionada: {selected_voice}")
start_time = datetime.now()
temp_dir_intermediate = None
output_filename = None
permanent_path = None
temp_intermediate_files = []
audio_tts_original = None
musica_audio_original = None
audio_tts = None
musica_audio = None
video_base = None
video_final = None
source_clips = []
clips_to_concatenate = []
try:
if prompt_type == "Generar Guion con IA":
guion = generate_script(input_text)
else:
guion = input_text.strip()
logger.info(f"Guion final ({len(guion)} chars): '{guion[:100]}...'")
if not guion.strip():
logger.error("El guion resultante está vacío o solo contiene espacios.")
raise ValueError("El guion está vacío.")
temp_dir_intermediate = tempfile.mkdtemp(prefix="video_gen_intermediate_")
logger.info(f"Directorio temporal intermedio creado: {temp_dir_intermediate}")
logger.info("Generando audio de voz...")
voz_path = os.path.join(temp_dir_intermediate, "voz.mp3")
tts_voices_to_try = [selected_voice]
fallback_juan = "es-ES-JuanNeural"
fallback_elvira = "es-ES-ElviraNeural"
if fallback_juan and fallback_juan != selected_voice and fallback_juan not in tts_voices_to_try:
tts_voices_to_try.append(fallback_juan)
if fallback_elvira and fallback_elvira != selected_voice and fallback_elvira not in tts_voices_to_try:
tts_voices_to_try.append(fallback_elvira)
tts_success = False
tried_voices = set()
for current_voice in tts_voices_to_try:
if not current_voice or current_voice in tried_voices:
continue
tried_voices.add(current_voice)
logger.info(f"Intentando TTS con voz: {current_voice}...")
try:
tts_success = asyncio.run(text_to_speech(guion, voz_path, voice=current_voice))
if tts_success:
logger.info(f"TTS exitoso con voz '{current_voice}'.")
break
except Exception as e:
logger.warning(f"Fallo al generar TTS con voz '{current_voice}': {str(e)}", exc_info=True)
pass
if not tts_success or not os.path.exists(voz_path) or os.path.getsize(voz_path) <= 100:
logger.error("Fallo en la generación de voz después de todos los intentos. Archivo de audio no creado o es muy pequeño.")
raise ValueError("Error generando voz a partir del guion (fallo de TTS).")
temp_intermediate_files.append(voz_path)
audio_tts_original = AudioFileClip(voz_path)
if audio_tts_original.reader is None or audio_tts_original.duration is None or audio_tts_original.duration <= 0:
logger.critical("Clip de audio TTS inicial es inválido (reader is None o duración <= 0) *después* de crear AudioFileClip.")
try:
audio_tts_original.close()
except:
pass
audio_tts_original = None
if os.path.exists(voz_path):
try:
os.remove(voz_path)
except:
pass
if voz_path in temp_intermediate_files:
temp_intermediate_files.remove(voz_path)
raise ValueError("Audio de voz generado es inválido después de procesamiento inicial.")
audio_tts = audio_tts_original
audio_duration = audio_tts_original.duration
logger.info(f"Duración audio voz: {audio_duration:.2f} segundos")
if audio_duration < 1.0:
logger.error(f"Duración audio voz ({audio_duration:.2f}s) es muy corta.")
raise ValueError("Generated voice audio is too short (min 1 second required).")
logger.info("Extrayendo palabras clave...")
try:
keywords = extract_visual_keywords_from_script(guion)
logger.info(f"Palabras clave identificadas: {keywords}")
except Exception as e:
logger.error(f"Error extrayendo keywords: {str(e)}", exc_info=True)
keywords = ["naturaleza", "paisaje"]
if not keywords:
keywords = ["video", "background"]
logger.info("Buscando videos en Pexels...")
videos_data = []
total_desired_videos = 10
per_page_per_keyword = max(1, total_desired_videos // len(keywords))
for keyword in keywords:
if len(videos_data) >= total_desired_videos:
break
try:
videos = buscar_videos_pexels(keyword, PEXELS_API_KEY, per_page=per_page_per_keyword)
if videos:
videos_data.extend(videos)
logger.info(f"Encontrados {len(videos)} videos para '{keyword}'. Total data: {len(videos_data)}")
except Exception as e:
logger.warning(f"Error buscando videos para '{keyword}': {str(e)}")
if len(videos_data) < total_desired_videos / 2:
logger.warning(f"Pocos videos encontrados ({len(videos_data)}). Intentando con palabras clave genéricas.")
generic_keywords = ["mystery", "alien", "ufo", "conspiracy", "paranormal", "supernatural", "horror", "fear", "suspense", "secret", "government", "cover_up", "simulation", "matrix", "apocalypse", "dystopian", "shadow", "occult", "unexplained", "creepy", "extraterrestrial", "abduction", "experiment", "secret_society", "illuminati", "new_world_order", "ancient_aliens", "ufo_sighting", "cryptid", "bigfoot", "loch_ness", "ghost", "haunting", "spirit", "demon", "possession", "exorcism", "witchcraft", "ritual", "cursed", "urban_legend", "myth", "legend", "folklore", "scary", "terror", "panic", "anxiety", "dread", "nightmare", "dark", "gloomy", "fog", "haunted", "cemetery", "asylum", "abandoned", "ruins", "underground", "tunnel", "bunker", "lab", "experiment", "government_secret", "mind_control", "brainwash", "propaganda", "surveillance", "spy", "whistleblower", "leak", "anonymous", "hack", "cyber", "virtual_reality", "ai", "artificial_intelligence", "robot", "cyborg", "apocalyptic", "post_apocalyptic", "zombie", "outbreak", "pandemic", "contagion", "biohazard", "radiation", "nuclear", "doomsday", "armageddon", "revelation", "prophecy", "symbolism", "hidden_meaning", "enigma", "puzzle", "code", "cipher", "mysterious", "unidentified", "anomaly", "glitch", "time_travel", "parallel_universe", "dimension", "portal"]
for keyword in generic_keywords:
if len(videos_data) >= total_desired_videos:
break
try:
videos = buscar_videos_pexels(keyword, PEXELS_API_KEY, per_page=2)
if videos:
videos_data.extend(videos)
logger.info(f"Encontrados {len(videos)} videos para '{keyword}' (genérico). Total data: {len(videos_data)}")
except Exception as e:
logger.warning(f"Error buscando videos genéricos para '{keyword}': {str(e)}")
if not videos_data:
logger.error("No se encontraron videos en Pexels para ninguna palabra clave.")
raise ValueError("No se encontraron videos adecuados en Pexels.")
video_paths = []
logger.info(f"Intentando descargar {len(videos_data)} videos encontrados...")
for video in videos_data:
if 'video_files' not in video or not video['video_files']:
logger.debug(f"Saltando video sin archivos de video: {video.get('id')}")
continue
try:
best_quality = None
for vf in sorted(video['video_files'], key=lambda x: x.get('width', 0) * x.get('height', 0), reverse=True):
if 'link' in vf:
best_quality = vf
break
if best_quality and 'link' in best_quality:
path = download_video_file(best_quality['link'], temp_dir_intermediate)
if path:
video_paths.append(path)
temp_intermediate_files.append(path)
logger.info(f"Video descargado OK desde {best_quality['link'][:50]}...")
else:
logger.warning(f"No se pudo descargar video desde {best_quality['link'][:50]}...")
else:
logger.warning(f"No se encontró enlace de descarga válido para video {video.get('id')}.")
except Exception as e:
logger.warning(f"Error procesando/descargando video {video.get('id')}: {str(e)}")
logger.info(f"Descargados {len(video_paths)} archivos de video utilizables.")
if not video_paths:
logger.error("No se pudo descargar ningún archivo de video utilizable.")
raise ValueError("No se pudo descargar ningún video utilizable de Pexels.")
logger.info("Procesando y concatenando videos descargados...")
current_duration = 0
min_clip_duration = 0.5
max_clip_segment = 10.0
for i, path in enumerate(video_paths):
if current_duration >= audio_duration + max_clip_segment:
logger.debug(f"Video base suficiente ({current_duration:.1f}s >= {audio_duration:.1f}s + {max_clip_segment:.1f}s buffer). Dejando de procesar clips fuente restantes.")
break
clip = None
try:
logger.debug(f"[{i+1}/{len(video_paths)}] Abriendo clip: {path}")
clip = VideoFileClip(path)
source_clips.append(clip)
if clip.reader is None or clip.duration is None or clip.duration <= 0:
logger.warning(f"[{i+1}/{len(video_paths)}] Clip fuente {path} parece inválido (reader is None o duración <= 0). Saltando.")
continue
remaining_needed = audio_duration - current_duration
potential_use_duration = min(clip.duration, max_clip_segment)
if remaining_needed > 0:
segment_duration = min(potential_use_duration, remaining_needed + min_clip_duration)
segment_duration = max(min_clip_duration, segment_duration)
segment_duration = min(segment_duration, clip.duration)
if segment_duration >= min_clip_duration:
try:
sub = clip.subclip(0, segment_duration)
if sub.reader is None or sub.duration is None or sub.duration <= 0:
logger.warning(f"[{i+1}/{len(video_paths)}] Subclip generado de {path} es inválido. Saltando.")
try:
sub.close()
except:
pass
continue
clips_to_concatenate.append(sub)
current_duration += sub.duration
logger.debug(f"[{i+1}/{len(video_paths)}] Segmento añadido: {sub.duration:.1f}s (total video: {current_duration:.1f}/{audio_duration:.1f}s)")
except Exception as sub_e:
logger.warning(f"[{i+1}/{len(video_paths)}] Error creando subclip de {path} ({segment_duration:.1f}s): {str(sub_e)}")
continue
else:
logger.debug(f"[{i+1}/{len(video_paths)}] Clip {path} ({clip.duration:.1f}s) no contribuye un segmento suficiente ({segment_duration:.1f}s necesario). Saltando.")
else:
logger.debug(f"[{i+1}/{len(video_paths)}] Duración de video base ya alcanzada. Saltando clip.")
except Exception as e:
logger.warning(f"[{i+1}/{len(video_paths)}] Error procesando video {path}: {str(e)}", exc_info=True)
continue
logger.info(f"Procesamiento de clips fuente finalizado. Se obtuvieron {len(clips_to_concatenate)} segmentos válidos.")
if not clips_to_concatenate:
logger.error("No hay segmentos de video válidos disponibles para crear la secuencia.")
raise ValueError("No hay segmentos de video válidos disponibles para crear el video.")
logger.info(f"Concatenando {len(clips_to_concatenate)} segmentos de video.")
concatenated_base = None
try:
concatenated_base = concatenate_videoclips(clips_to_concatenate, method="chain")
logger.info(f"Duración video base después de concatenación inicial: {concatenated_base.duration:.2f}s")
if concatenated_base is None or concatenated_base.duration is None or concatenated_base.duration <= 0:
logger.critical("Video base concatenado es inválido después de la primera concatenación (None o duración cero).")
raise ValueError("Fallo al crear video base válido a partir de segmentos.")
except Exception as e:
logger.critical(f"Error durante la concatenación inicial: {str(e)}", exc_info=True)
raise ValueError("Fallo durante la concatenación de video inicial.")
finally:
for clip_segment in clips_to_concatenate:
try:
clip_segment.close()
except:
pass
clips_to_concatenate = []
video_base = concatenated_base
final_video_base = video_base
if final_video_base.duration < audio_duration:
logger.info(f"Video base ({final_video_base.duration:.2f}s) es más corto que el audio ({audio_duration:.2f}s). Repitiendo...")
num_full_repeats = int(audio_duration // final_video_base.duration)
remaining_duration = audio_duration % final_video_base.duration
repeated_clips_list = [final_video_base] * num_full_repeats
if remaining_duration > 0:
try:
remaining_clip = final_video_base.subclip(0, remaining_duration)
if remaining_clip is None or remaining_clip.duration is None or remaining_clip.duration <= 0:
logger.warning(f"Subclip generado para duración restante {remaining_duration:.2f}s es inválido. Saltando.")
try:
remaining_clip.close()
except:
pass
else:
repeated_clips_list.append(remaining_clip)
logger.debug(f"Añadiendo segmento restante: {remaining_duration:.2f}s")
except Exception as e:
logger.warning(f"Error creando subclip para duración restante {remaining_duration:.2f}s: {str(e)}")
if repeated_clips_list:
logger.info(f"Concatenando {len(repeated_clips_list)} partes para repetición.")
video_base_repeated = None
try:
video_base_repeated = concatenate_videoclips(repeated_clips_list, method="chain")
logger.info(f"Duración del video base repetido: {video_base_repeated.duration:.2f}s")
if video_base_repeated is None or video_base_repeated.duration is None or video_base_repeated.duration <= 0:
logger.critical("Video base repetido concatenado es inválido.")
raise ValueError("Fallo al crear video base repetido válido.")
if final_video_base is not video_base_repeated:
try:
final_video_base.close()
except:
pass
final_video_base = video_base_repeated
except Exception as e:
logger.critical(f"Error durante la concatenación de repetición: {str(e)}", exc_info=True)
raise ValueError("Fallo durante la repetición de video.")
finally:
if 'repeated_clips_list' in locals():
for clip in repeated_clips_list:
if clip is not final_video_base:
try:
clip.close()
except:
pass
if final_video_base.duration > audio_duration:
logger.info(f"Recortando video base ({final_video_base.duration:.2f}s) para que coincida con la duración del audio ({audio_duration:.2f}s).")
trimmed_video_base = None
try:
trimmed_video_base = final_video_base.subclip(0, audio_duration)
if trimmed_video_base is None or trimmed_video_base.duration is None or trimmed_video_base.duration <= 0:
logger.critical("Video base recortado es inválido.")
raise ValueError("Fallo al crear video base recortado válido.")
if final_video_base is not trimmed_video_base:
try:
final_video_base.close()
except:
pass
final_video_base = trimmed_video_base
except Exception as e:
logger.critical(f"Error durante el recorte: {str(e)}", exc_info=True)
raise ValueError("Fallo durante el recorte de video.")
if final_video_base is None or final_video_base.duration is None or final_video_base.duration <= 0:
logger.critical("Video base final es inválido antes de audio/escritura (None o duración cero).")
raise ValueError("Video base final es inválido.")
if final_video_base.size is None or final_video_base.size[0] <= 0 or final_video_base.size[1] <= 0:
logger.critical(f"Video base final tiene tamaño inválido: {final_video_base.size}. No se puede escribir video.")
raise ValueError("Video base final tiene tamaño inválido antes de escribir.")
video_base = final_video_base
logger.info("Procesando audio...")
final_audio = audio_tts_original
musica_audio_looped = None
if musica_file:
musica_audio_original = None
try:
music_path = os.path.join(temp_dir_intermediate, "musica_bg.mp3")
shutil.copyfile(musica_file, music_path)
temp_intermediate_files.append(music_path)
logger.info(f"Música de fondo copiada a: {music_path}")
musica_audio_original = AudioFileClip(music_path)
if musica_audio_original.reader is None or musica_audio_original.duration is None or musica_audio_original.duration <= 0:
logger.warning("Clip de música de fondo parece inválido o tiene duración cero. Saltando música.")
try:
musica_audio_original.close()
except:
pass
musica_audio_original = None
else:
musica_audio_looped = loop_audio_to_length(musica_audio_original, video_base.duration)
logger.debug(f"Música ajustada a duración del video: {musica_audio_looped.duration:.2f}s")
if musica_audio_looped is None or musica_audio_looped.duration is None or musica_audio_looped.duration <= 0:
logger.warning("Clip de música de fondo loopeado es inválido. Saltando música.")
try:
musica_audio_looped.close()
except:
pass
musica_audio_looped = None
if musica_audio_looped:
composite_audio = CompositeAudioClip([
musica_audio_looped.volumex(0.2),
audio_tts_original.volumex(1.0)
])
if composite_audio.duration is None or composite_audio.duration <= 0:
logger.warning("Clip de audio compuesto es inválido (None o duración cero). Usando solo audio de voz.")
try:
composite_audio.close()
except:
pass
final_audio = audio_tts_original
else:
logger.info("Mezcla de audio completada (voz + música).")
final_audio = composite_audio
musica_audio = musica_audio_looped
except Exception as e:
logger.warning(f"Error procesando música de fondo: {str(e)}", exc_info=True)
final_audio = audio_tts_original
musica_audio = None
logger.warning("Usando solo audio de voz debido a un error con la música.")
if final_audio.duration is not None and abs(final_audio.duration - video_base.duration) > 0.2:
logger.warning(f"Duración del audio final ({final_audio.duration:.2f}s) difiere significativamente del video base ({video_base.duration:.2f}s). Intentando recorte.")
try:
if final_audio.duration > video_base.duration:
trimmed_final_audio = final_audio.subclip(0, video_base.duration)
if trimmed_final_audio is None or trimmed_final_audio.duration <= 0:
logger.warning("Audio final recortado es inválido. Usando audio final original.")
try:
trimmed_final_audio.close()
except:
pass
else:
if final_audio is not trimmed_final_audio:
try:
final_audio.close()
except:
pass
final_audio = trimmed_final_audio
logger.warning("Audio final recortado para que coincida con la duración del video.")
except Exception as e:
logger.warning(f"Error ajustando duración del audio final: {str(e)}")
video_final = video_base.set_audio(final_audio)
output_filename = f"video_{int(time.time())}.mp4"
output_path = os.path.join(temp_dir_intermediate, output_filename)
permanent_path = f"/tmp/{output_filename}"
video_final.write_videofile(
output_path,
fps=24,
threads=2,
codec="libx264",
audio_codec="aac",
preset="medium",
ffmpeg_params=[
'-vf', 'scale=1920:1080:force_original_aspect_ratio=decrease,pad=1920:1080:-1:-1:color=black',
'-crf', '23'
],
logger='bar'
)
try:
shutil.copy(output_path, permanent_path)
logger.info(f"Video guardado permanentemente en: {permanent_path}")
except Exception as move_error:
logger.error(f"Error moviendo archivo: {str(move_error)}. Usando path original.")
permanent_path = output_path
try:
video_final.close()
if 'video_base' in locals() and video_base is not None and video_base is not video_final:
video_base.close()
except Exception as close_error:
logger.error(f"Error cerrando clips: {str(close_error)}")
total_time = (datetime.now() - start_time).total_seconds()
logger.info(f"PROCESO DE VIDEO FINALIZADO | Output: {permanent_path} | Tiempo total: {total_time:.2f}s")
return permanent_path
except ValueError as ve:
logger.error(f"ERROR CONTROLADO en crear_video: {str(ve)}")
raise ve
except Exception as e:
logger.critical(f"ERROR CRÍTICO NO CONTROLADO en crear_video: {str(e)}", exc_info=True)
raise e
finally:
logger.info("Iniciando limpieza de clips y archivos temporales intermedios...")
for clip in source_clips:
try:
clip.close()
except Exception as e:
logger.warning(f"Error cerrando clip de video fuente en finally: {str(e)}")
for clip_segment in clips_to_concatenate:
try:
clip_segment.close()
except Exception as e:
logger.warning(f"Error cerrando segmento de video en finally: {str(e)}")
if musica_audio is not None:
try:
musica_audio.close()
except Exception as e:
logger.warning(f"Error cerrando musica_audio (procesada) en finally: {str(e)}")
if musica_audio_original is not None and musica_audio_original is not musica_audio:
try:
musica_audio_original.close()
except Exception as e:
logger.warning(f"Error cerrando musica_audio_original en finally: {str(e)}")
if audio_tts is not None and audio_tts is not audio_tts_original:
try:
audio_tts.close()
except Exception as e:
logger.warning(f"Error cerrando audio_tts (procesada) en finally: {str(e)}")
if audio_tts_original is not None:
try:
audio_tts_original.close()
except Exception as e:
logger.warning(f"Error cerrando audio_tts_original en finalmente: {str(e)}")
if video_final is not None:
try:
video_final.close()
except Exception as e:
logger.warning(f"Error cerrando video_final en finally: {str(e)}")
elif video_base is not None and video_base is not video_final:
try:
video_base.close()
except Exception as e:
logger.warning(f"Error cerrando video_base en finally: {str(e)}")
if temp_dir_intermediate and os.path.exists(temp_dir_intermediate):
final_output_in_temp = None
if output_filename:
final_output_in_temp = os.path.join(temp_dir_intermediate, output_filename)
for path in temp_intermediate_files:
try:
if os.path.isfile(path) and path != final_output_in_temp and path != permanent_path:
logger.debug(f"Eliminando archivo temporal intermedio: {path}")
os.remove(path)
elif os.path.isfile(path) and (path == final_output_in_temp or path == permanent_path):
logger.debug(f"Saltando eliminación del archivo de video final: {path}")
except Exception as e:
logger.warning(f"No se pudo eliminar archivo temporal intermedio {path}: {str(e)}")
logger.info(f"Directorio temporal intermedio {temp_dir_intermediate} persistirá para que Gradio lea el video final.")
def run_app(prompt_type, prompt_ia, prompt_manual, musica_file, selected_voice):
logger.info("="*80)
logger.info("SOLICITUD RECIBIDA EN INTERFAZ")
input_text = prompt_ia if prompt_type == "Generar Guion con IA" else prompt_manual
output_video = None
output_file = None
status_msg = gr.update(value="⏳ Procesando...", interactive=False)
if not input_text or not input_text.strip():
logger.warning("Texto de entrada vacío.")
return None, None, gr.update(value="⚠️ Por favor, ingresa texto para el guion o el tema.", interactive=False)
voice_ids_disponibles = [v[1] for v in AVAILABLE_VOICES]
if selected_voice not in voice_ids_disponibles:
logger.warning(f"Voz seleccionada inválida o no encontrada en la lista: '{selected_voice}'. Usando voz por defecto: {DEFAULT_VOICE_ID}.")
selected_voice = DEFAULT_VOICE_ID
else:
logger.info(f"Voz seleccionada validada: {selected_voice}")
logger.info(f"Tipo de entrada: {prompt_type}")
logger.debug(f"Texto de entrada: '{input_text[:100]}...'")
if musica_file:
logger.info(f"Archivo de música recibido: {musica_file}")
else:
logger.info("No se proporcionó archivo de música.")
logger.info(f"Voz final a usar (ID): {selected_voice}")
try:
logger.info("Llamando a crear_video...")
video_path = crear_video(prompt_type, input_text, selected_voice, musica_file)
if video_path and os.path.exists(video_path):
logger.info(f"crear_video retornó path: {video_path}")
logger.info(f"Tamaño del archivo de video retornado: {os.path.getsize(video_path)} bytes")
output_video = video_path
output_file = video_path
status_msg = gr.update(value="✅ Video generado exitosamente.", interactive=False)
else:
logger.error(f"crear_video no retornó un path válido o el archivo no existe: {video_path}")
status_msg = gr.update(value="❌ Error: La generación del video falló o el archivo no se creó correctamente.", interactive=False)
except ValueError as ve:
logger.warning(f"Error de validación durante la creación del video: {str(ve)}")
status_msg = gr.update(value=f"⚠️ Error de validación: {str(ve)}", interactive=False)
except Exception as e:
logger.critical(f"Error crítico durante la creación del video: {str(e)}", exc_info=True)
status_msg = gr.update(value=f"❌ Error inesperado: {str(e)}", interactive=False)
finally:
logger.info("Fin del handler run_app.")
return output_video, output_file, status_msg
with gr.Blocks(title="Generador de Videos con IA", theme=gr.themes.Soft(), css="""
.gradio-container {max-width: 800px; margin: auto;}
h1 {text-align: center;}
""") as app:
gr.Markdown("# 🎬 Generador Automático de Videos con IA")
gr.Markdown("Genera videos cortos a partir de un tema o guion, usando imágenes de archivo de Pexels y voz generada.")
with gr.Row():
with gr.Column():
prompt_type = gr.Radio(
["Generar Guion con IA", "Usar Mi Guion"],
label="Método de Entrada",
value="Generar Guion con IA"
)
with gr.Column(visible=True) as ia_guion_column:
prompt_ia = gr.Textbox(
label="Tema para IA",
lines=2,
placeholder="Ej: Un paisaje natural con montañas y ríos al amanecer, mostrando la belleza de la naturaleza...",
max_lines=4,
value=""
)
with gr.Column(visible=False) as manual_guion_column:
prompt_manual = gr.Textbox(
label="Tu Guion Completo",
lines=5,
placeholder="Ej: En este video exploraremos los misterios del océano. Veremos la vida marina fascinante y los arrecifes de coral vibrantes. ¡Acompáñanos en esta aventura subacuática!",
max_lines=10,
value=""
)
musica_input = gr.Audio(
label="Música de fondo (opcional)",
type="filepath",
interactive=True,
value=None
)
voice_dropdown = gr.Dropdown(
label="Seleccionar Voz para Guion",
choices=AVAILABLE_VOICES,
value=DEFAULT_VOICE_ID,
interactive=True
)
generate_btn = gr.Button("✨ Generar Video", variant="primary")
with gr.Column():
video_output = gr.Video(
label="Previsualización del Video Generado",
interactive=False,
height=400
)
file_output = gr.File(
label="Descargar Archivo de Video",
interactive=False,
visible=False
)
status_output = gr.Textbox(
label="Estado",
interactive=False,
show_label=False,
placeholder="Esperando acción...",
value="Esperando entrada..."
)
prompt_type.change(
lambda x: (gr.update(visible=x == "Generar Guion con IA"),
gr.update(visible=x == "Usar Mi Guion")),
inputs=prompt_type,
outputs=[ia_guion_column, manual_guion_column]
)
generate_btn.click(
lambda: (None, None, gr.update(value="⏳ Procesando... Esto puede tomar varios minutos.", interactive=False)),
outputs=[video_output, file_output, status_output],
queue=True,
).then(
run_app,
inputs=[prompt_type, prompt_ia, prompt_manual, musica_input, voice_dropdown],
outputs=[video_output, file_output, status_output]
).then(
lambda video_path, file_path, status_msg: gr.update(visible=file_path is not None),
inputs=[video_output, file_output, status_output],
outputs=[file_output]
)
gr.Markdown("### Instrucciones:")
gr.Markdown("""
1. **Clave API de Pexels:** Asegúrate de haber configurado la variable de entorno `PEXELS_API_KEY` con tu clave.
2. **Selecciona el tipo de entrada**: "Generar Guion con IA" o "Usar Mi Guion".
3. **Sube música** (opcional): Selecciona un archio de audio (MP3, WAV, etc.).
4. **Selecciona la voz** deseada del desplegable.
5. **Haz clic en "✨ Generar Video"**.
6. Espera a que se procese el video. Verás el estado.
7. La previsualización aparecerá si es posible, y siempre un enlace **Descargar Archivo de Video** se mostrará si la generación fue exitosa.
8. Revisa `video_generator_full.log` para detalles si hay errores.
""")
gr.Markdown("---")
gr.Markdown("Desarrollado por [Tu Nombre/Empresa/Alias - Opcional]")
if __name__ == "__main__":
logger.info("Verificando dependencias críticas...")
try:
from moviepy.editor import ColorClip
try:
temp_clip = ColorClip((100,100), color=(255,0,0), duration=0.1)
temp_clip.close()
logger.info("Clips base de MoviePy creados y cerrados exitosamente. FFmpeg parece accesible.")
except Exception as e:
logger.critical(f"Fallo al crear clip base de MoviePy. A menudo indica problemas con FFmpeg/ImageMagick. Error: {e}", exc_info=True)
except Exception as e:
logger.critical(f"Fallo al importar MoviePy. Asegúrate de que está instalado. Error: {e}", exc_info=True)
os.environ['GRADIO_SERVER_TIMEOUT'] = '1200'
logger.info("Iniciando aplicación Gradio...")
try:
app.launch(server_name="0.0.0.0", server_port=7860, share=False)
except Exception as e:
logger.critical(f"No se pudo iniciar la app: {str(e)}", exc_info=True)
raise |