Refactor IncrementalVideoStitcher to handle raw image tensors and add LoadVideoWithSourceAudio node.

Changes:
- Modified IncrementalVideoStitcher to process IMAGE tensors directly instead of MP4 lists.
- Implemented RAM/VRAM saving mechanism by saving tensor state dynamically to `.pt` files and cleaning them manually via `gc`.
- Introduced LoadVideoWithSourceAudio mapping to extract complete original tracks dynamically.
This commit is contained in:
Meisoftcoltd
2026-03-28 14:26:11 +00:00
parent 18eb230109
commit 10bf229175
2 changed files with 129 additions and 84 deletions
Binary file not shown.
+129 -84
View File
@@ -41,7 +41,8 @@ class WanFrameValidator:
return (corrected_frames, )
session_video_list = []
import gc
import torch
@register_node
class IncrementalVideoStitcher:
@@ -49,121 +50,165 @@ class IncrementalVideoStitcher:
def INPUT_TYPES(s):
return {
"required": {
"trigger": ("VHS_FILENAMES", ),
"images": ("IMAGE", ),
"output_prefix": ("STRING", {"default": "SCAIL_Final"}),
"current_loop_index": ("INT", {"default": 0, "min": 0, "max": 10000}),
"total_loops": ("INT", {"default": 1, "min": 1, "max": 10000}),
},
"optional": {
"audio": ("AUDIO", ), # Nueva entrada de audio opcional
"audio": ("AUDIO", ),
}
}
RETURN_TYPES = ("STRING", )
RETURN_NAMES = ("final_video_path", )
RETURN_TYPES = ("IMAGE", "AUDIO")
RETURN_NAMES = ("ALL_IMAGES", "AUDIO_OUT")
OUTPUT_NODE = True
INPUT_IS_LIST = True
FUNCTION = "stitch_incremental"
CATEGORY = "🔁 Sequential Batcher/Video"
def stitch_incremental(self, trigger, output_prefix, current_loop_index, audio=None):
if not trigger or trigger[0] is None:
raise ValueError("❌ ERROR CRÍTICO: El nodo 'Incremental Auto-Stitcher' no recibe archivos de vídeo. Conecta la salida 'filenames' de tu Video Combine.")
def stitch_incremental(self, images, output_prefix, current_loop_index, total_loops, audio=None):
if images is None:
raise ValueError("❌ ERROR CRÍTICO: El nodo 'Incremental Auto-Stitcher' necesita el cable de 'images' con los tensores.")
if not current_loop_index or current_loop_index[0] is None:
raise ValueError("❌ ERROR CRÍTICO: El nodo 'Incremental Auto-Stitcher' necesita el cable de 'current_loop_index' para gestionar la sesión.")
if current_loop_index is None or total_loops is None:
raise ValueError("❌ ERROR CRÍTICO: El nodo 'Incremental Auto-Stitcher' necesita 'current_loop_index' y 'total_loops'.")
global session_video_list
# Barrera de seguridad para evitar que un string vacío borre el directorio principal
if not output_prefix or not output_prefix.strip():
output_prefix = "SCAIL_Final"
out_dir = folder_paths.get_output_directory()
prefix = output_prefix[0] if isinstance(output_prefix, list) else output_prefix
loop_idx = current_loop_index[0] if isinstance(current_loop_index, list) else current_loop_index
# Creamos una subcarpeta usando el output_prefix
stitch_dir = os.path.join(out_dir, output_prefix)
os.makedirs(stitch_dir, exist_ok=True)
print(f"\n{'='*50}")
print(f"🎞️ [DEBUG] NODO: Incremental Auto-Stitcher")
print(f" -> Ciclo actual: {loop_idx} | Prefix: {prefix}")
print(f" -> Ciclo actual: {current_loop_index} / Total: {total_loops} | Prefix: {output_prefix}")
if loop_idx == 0:
print(f" -> 🧹 Limpiando lista de vídeos de sesiones anteriores.")
session_video_list.clear()
# Ciclo 0: Limpieza
if current_loop_index == 0:
print(f" -> 🧹 Limpiando archivos de tensores de sesiones anteriores en: {stitch_dir}")
pt_files = glob.glob(os.path.join(stitch_dir, "*.pt"))
for pt_file in pt_files:
try:
os.remove(pt_file)
except Exception as e:
print(f" -> ❌ Error borrando {pt_file}: {e}")
current_mp4s = []
def extract_mp4s(data):
if isinstance(data, str) and data.endswith(".mp4"):
current_mp4s.append(data)
elif isinstance(data, (list, tuple)):
for item in data: extract_mp4s(item)
elif isinstance(data, dict):
for item in data.values(): extract_mp4s(item)
extract_mp4s(trigger)
# Guardar tensor a disco para liberar RAM/VRAM
pt_filename = f"batch_{current_loop_index:04d}.pt"
pt_path = os.path.join(stitch_dir, pt_filename)
for v in current_mp4s:
abs_path = v if os.path.isabs(v) else os.path.join(out_dir, v)
if abs_path not in session_video_list and os.path.exists(abs_path):
session_video_list.append(abs_path)
print(f" -> ➕ Añadido al ensamblaje: {os.path.basename(abs_path)}")
print(f" -> 💾 Descargando tensores a la CPU y guardando en: {pt_filename}")
cpu_images = images.cpu()
torch.save(cpu_images, pt_path)
print(f" -> 📦 Total de vídeos a ensamblar: {len(session_video_list)}")
# Limpieza manual de memoria
del images
del cpu_images
gc.collect()
if not session_video_list:
# Comprobamos si es el último ciclo
if current_loop_index < (total_loops - 1):
print(f" -> ⏳ Bucle en proceso. Retornando tensor vacío para ahorrar RAM.")
print(f"{'='*50}\n")
return ("", )
# Devolvemos un tensor vacío y None para el audio
dummy_tensor = torch.zeros((1, 16, 16, 3))
return (dummy_tensor, None)
list_file_path = os.path.join(out_dir, "batch_concat_list.txt")
out_name = f"{prefix}_{loop_idx:04d}.mp4"
temp_concat = os.path.join(out_dir, f"temp_concat_video_{loop_idx:04d}.mp4")
final_output = os.path.join(out_dir, out_name)
elif current_loop_index == (total_loops - 1):
print(f" -> 🏁 Último ciclo alcanzado. Ensamblando tensores finales...")
pt_files = sorted(glob.glob(os.path.join(stitch_dir, "*.pt")))
tensor_list = []
try:
with open(list_file_path, 'w', encoding='utf-8') as f:
for video in session_video_list: f.write(f"file '{video}'\n")
for pt_file in pt_files:
try:
loaded_tensor = torch.load(pt_file)
tensor_list.append(loaded_tensor)
print(f" -> 📦 Cargado: {os.path.basename(pt_file)}")
except Exception as e:
print(f" -> ❌ Error cargando {pt_file}: {e}")
# Paso 1: Ensamblar los vídeos de forma silenciosa
ffmpeg_cmd = ["ffmpeg", "-y", "-f", "concat", "-safe", "0", "-i", list_file_path, "-c", "copy", temp_concat]
subprocess.run(ffmpeg_cmd, check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if not tensor_list:
print(f" -> ⚠️ No se encontraron tensores guardados para ensamblar.")
print(f"{'='*50}\n")
dummy_tensor = torch.zeros((1, 16, 16, 3))
return (dummy_tensor, audio)
# Paso 2: Procesar e inyectar el Audio (si existe)
has_audio = audio is not None and isinstance(audio, list) and len(audio) > 0 and audio[0] is not None
if has_audio:
print(f" -> 🎵 Audio detectado. Sincronizando y multiplexando...")
# Unir todos los tensores
print(f" -> 🧩 Concatenando {len(tensor_list)} tensores...")
final_images = torch.cat(tensor_list, dim=0)
audio_data = audio[0]
waveform = audio_data.get("waveform")
sample_rate = audio_data.get("sample_rate", 44100)
# (Opcional) Borrar la subcarpeta para ahorrar espacio
print(f" -> 🧹 Limpiando subcarpeta temporal: {stitch_dir}")
try:
shutil.rmtree(stitch_dir)
except Exception as e:
print(f" -> ❌ Error borrando subcarpeta: {e}")
if waveform is not None:
# ComfyUI a veces envía el tensor como [Batch, Canales, Muestras]. Lo pasamos a [Canales, Muestras]
if waveform.dim() == 3:
waveform = waveform.squeeze(0)
temp_audio_path = os.path.join(out_dir, f"temp_audio_{loop_idx:04d}.wav")
torchaudio.save(temp_audio_path, waveform, sample_rate)
# Multiplexamos usando -shortest para que el audio se corte donde termina el vídeo
ffmpeg_mux_cmd = [
"ffmpeg", "-y",
"-i", temp_concat,
"-i", temp_audio_path,
"-c:v", "copy",
"-c:a", "aac", "-b:a", "192k",
"-shortest", final_output
]
subprocess.run(ffmpeg_mux_cmd, check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if os.path.exists(temp_audio_path): os.remove(temp_audio_path)
if os.path.exists(temp_concat): os.remove(temp_concat)
print(f" -> ✅ Ensamblaje progresivo CON AUDIO exitoso: {out_name}")
else:
shutil.move(temp_concat, final_output)
print(f" -> ⚠️ Audio detectado pero sin waveform. Ensamblaje sin audio: {out_name}")
print(f" -> ✅ Ensamblaje exitoso. Retornando tensor gigante: {list(final_images.shape)}")
if audio is not None:
print(f" -> 🎵 Retornando audio ('passthrough').")
else:
# Si no hay audio conectado, simplemente renombramos el archivo temporal
shutil.move(temp_concat, final_output)
print(f" -> ✅ Ensamblaje progresivo exitoso (Mudo): {out_name}")
print(f" -> 🔇 No se detectó audio ('passthrough' vacío).")
print(f"{'='*50}\n")
return (final_images, audio)
import nodes
@register_node
class LoadVideoWithSourceAudio:
@classmethod
def INPUT_TYPES(s):
# Clonar los inputs dinámicamente si VHS está instalado
vhs_class = nodes.NODE_CLASS_MAPPINGS.get("VHS_LoadVideo")
if vhs_class:
return vhs_class.INPUT_TYPES()
else:
raise Exception("❌ VHS_LoadVideo no encontrado. Instala VideoHelperSuite.")
RETURN_TYPES = ("IMAGE", "INT", "AUDIO", "VHS_VIDEOINFO", "AUDIO")
RETURN_NAMES = ("IMAGE", "frame_count", "audio", "video_info", "source_audio")
FUNCTION = "load_video_with_audio"
CATEGORY = "🔁 Sequential Batcher/Video"
# Intentamos mantener el Display Name para la interfaz web a través del Custom Node mapping original de ComfyUI (opcional pero util para que se llame diferente a VHS)
# Normalmente esto se hace en el NODE_DISPLAY_NAME_MAPPINGS global de __init__.py pero la clase será LoadVideoWithSourceAudio
def load_video_with_audio(self, **kwargs):
vhs_class = nodes.NODE_CLASS_MAPPINGS.get("VHS_LoadVideo")
if not vhs_class:
raise Exception("❌ VHS_LoadVideo no encontrado.")
print(f"\n{'='*50}")
print(f"🎥 [DEBUG] NODO: Load Video + Source Audio")
# 1. Instanciar el nodo original y ejecutar su lógica
print(f" -> Ejecutando lógica original de VHS...")
vhs_instance = vhs_class()
vhs_result = vhs_instance.load_video(**kwargs)
# vhs_result contiene: (IMAGE, frame_count, audio, video_info)
# 2. Lógica nueva: Extraer el audio completo del archivo fuente
video_filename = kwargs.get("video")
# El nombre del archivo puede venir como una ruta completa desde input, o desde un subdirectorio.
# En VHS y ComfyUI, usan get_annotated_filepath (esto lo traemos si hace falta, o simplemente path del input dir)
# VHS lo carga así:
video_path = folder_paths.get_annotated_filepath(video_filename)
print(f" -> 🎵 Extrayendo pista de audio completa (sin cortes) desde: {video_path}")
try:
waveform, sample_rate = torchaudio.load(video_path)
# Retornamos el diccionario en el formato estándar AUDIO de ComfyUI
source_audio = {"waveform": waveform.unsqueeze(0), "sample_rate": sample_rate}
print(f" -> ✅ Audio extraído con éxito. Muestreo: {sample_rate}Hz")
except Exception as e:
print(f" -> ❌ Error FFmpeg: {e}")
finally:
if os.path.exists(list_file_path): os.remove(list_file_path)
print(f" -> ⚠️ Error cargando audio fuente: {e}")
source_audio = None
print(f"{'='*50}\n")
return (final_output, )
# 3. Devolver el resultado original + nuestro audio completo en el 5º puerto
return (vhs_result[0], vhs_result[1], vhs_result[2], vhs_result[3], source_audio)