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video_node.py
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video_node.py
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import torch
import folder_paths
from PIL import Image, ImageOps
import numpy as np
import safetensors.torch
import hashlib
import os
import cv2
import os
import imageio
import shutil
from moviepy.editor import VideoFileClip, AudioFileClip
import random
import math
import json
from comfy.cli_args import args
import time
import concurrent.futures
import skbuild
YELLOW = '\33[33m'
END = '\33[0m'
# Brutally copied from comfy_extras/nodes_rebatch.py and modified
class LatentRebatch:
@staticmethod
def get_batch(latents, list_ind, offset):
'''prepare a batch out of the list of latents'''
samples = latents[list_ind]['samples']
shape = samples.shape
mask = latents[list_ind]['noise_mask'] if 'noise_mask' in latents[list_ind] else torch.ones((shape[0], 1, shape[2]*8, shape[3]*8), device='cpu')
if mask.shape[-1] != shape[-1] * 8 or mask.shape[-2] != shape[-2]:
torch.nn.functional.interpolate(mask.reshape((-1, 1, mask.shape[-2], mask.shape[-1])), size=(shape[-2]*8, shape[-1]*8), mode="bilinear")
if mask.shape[0] < samples.shape[0]:
mask = mask.repeat((shape[0] - 1) // mask.shape[0] + 1, 1, 1, 1)[:shape[0]]
if 'batch_index' in latents[list_ind]:
batch_inds = latents[list_ind]['batch_index']
else:
batch_inds = [x+offset for x in range(shape[0])]
return samples, mask, batch_inds
@staticmethod
def get_slices(indexable, num, batch_size):
'''divides an indexable object into num slices of length batch_size, and a remainder'''
slices = []
for i in range(num):
slices.append(indexable[i*batch_size:(i+1)*batch_size])
if num * batch_size < len(indexable):
return slices, indexable[num * batch_size:]
else:
return slices, None
@staticmethod
def slice_batch(batch, num, batch_size):
result = [LatentRebatch.get_slices(x, num, batch_size) for x in batch]
return list(zip(*result))
@staticmethod
def cat_batch(batch1, batch2):
if batch1[0] is None:
return batch2
result = [torch.cat((b1, b2)) if torch.is_tensor(b1) else b1 + b2 for b1, b2 in zip(batch1, batch2)]
return result
def rebatch(self, latents, batch_size):
batch_size = batch_size[0]
output_list = []
current_batch = (None, None, None)
processed = 0
for i in range(len(latents)):
# fetch new entry of list
#samples, masks, indices = self.get_batch(latents, i)
next_batch = self.get_batch(latents, i, processed)
processed += len(next_batch[2])
# set to current if current is None
if current_batch[0] is None:
current_batch = next_batch
# add previous to list if dimensions do not match
elif next_batch[0].shape[-1] != current_batch[0].shape[-1] or next_batch[0].shape[-2] != current_batch[0].shape[-2]:
sliced, _ = self.slice_batch(current_batch, 1, batch_size)
output_list.append({'samples': sliced[0][0], 'noise_mask': sliced[1][0], 'batch_index': sliced[2][0]})
current_batch = next_batch
# cat if everything checks out
else:
current_batch = self.cat_batch(current_batch, next_batch)
# add to list if dimensions gone above target batch size
if current_batch[0].shape[0] > batch_size:
num = current_batch[0].shape[0] // batch_size
sliced, remainder = self.slice_batch(current_batch, num, batch_size)
for i in range(num):
output_list.append({'samples': sliced[0][i], 'noise_mask': sliced[1][i], 'batch_index': sliced[2][i]})
current_batch = remainder
#add remainder
if current_batch[0] is not None:
sliced, _ = self.slice_batch(current_batch, 1, batch_size)
output_list.append({'samples': sliced[0][0], 'noise_mask': sliced[1][0], 'batch_index': sliced[2][0]})
#get rid of empty masks
for s in output_list:
if s['noise_mask'].mean() == 1.0:
del s['noise_mask']
return output_list
input_dir = os.path.join(folder_paths.get_input_directory(),"n-suite")
output_dir = os.path.join(folder_paths.get_output_directory(),"n-suite","frames_out")
temp_output_dir = os.path.join(folder_paths.get_temp_directory(),"n-suite","frames_out")
frames_output_dir = os.path.join(folder_paths.get_temp_directory(),"n-suite","frames")
videos_output_dir = os.path.join(folder_paths.get_output_directory(),"n-suite","videos")
audios_output_temp_dir = os.path.join(folder_paths.get_temp_directory(),"audio.mp3")
videos_output_temp_dir = os.path.join(folder_paths.get_temp_directory(),"video.mp4")
video_preview_output_temp_dir = os.path.join(folder_paths.get_output_directory(),"n-suite","videos")
_resize_type = ["none","width", "height"]
_framerate = ["original","half", "quarter"]
_choice = ["Yes", "No"]
try:
os.makedirs(input_dir)
except:
pass
try:
os.makedirs(output_dir)
except:
pass
try:
os.makedirs(temp_output_dir)
except:
pass
try:
os.makedirs(videos_output_dir)
except:
pass
try:
os.makedirs(frames_output_dir)
except:
pass
try:
os.makedirs(folder_paths.get_temp_directory())
except:
pass
def calc_resize_image(input_path, target_size, resize_by):
image = cv2.imread(input_path)
height, width = image.shape[:2]
if resize_by == 'width':
new_width = target_size
new_height = int(height * (target_size / width))
elif resize_by == 'height':
new_height = target_size
new_width = int(width * (target_size / height))
else:
new_height = height
new_width = width
return new_width, new_height
def resize_image(input_path, new_width, new_height):
image = cv2.imread(input_path)
height, width = image.shape[:2]
if height != new_height or width != new_width:
resized_image = cv2.resize(image, (new_width, new_height))
else:
resized_image = image
pil_image = Image.fromarray(cv2.cvtColor(resized_image, cv2.COLOR_BGR2RGB))
return pil_image
def extract_frames_from_video(video_path, output_folder, target_fps=30):
list_files = []
os.makedirs(output_folder, exist_ok=True)
cap = cv2.VideoCapture(video_path)
frame_count = 0
# Ottieni il framerate originale del video
original_fps = int(cap.get(cv2.CAP_PROP_FPS))
# Calcola il rapporto per ridurre il framerate
frame_skip_ratio = original_fps // target_fps
real_frame_count = 0
while True:
ret, frame = cap.read()
if not ret:
break
frame_count += 1
# Estrai solo ogni "frame_skip_ratio"-esimo fotogramma
if frame_count % frame_skip_ratio == 0:
frame_filename = os.path.join(output_folder, f"{frame_count:07d}.png")
list_files.append(frame_filename)
cv2.imwrite(frame_filename, frame)
real_frame_count += 1
cap.release()
print(f"{real_frame_count} frames have been extracted from the video and saved in {output_folder}")
return list_files
def extract_frames_from_gif(gif_path, output_folder):
os.makedirs(output_folder, exist_ok=True)
gif_frames = imageio.mimread(gif_path)
frame_count = 0
for frame in gif_frames:
frame_count += 1
frame_filename = os.path.join(output_folder, f"{frame_count:07d}.png")
cv2.imwrite(frame_filename, cv2.cvtColor(frame, cv2.COLOR_RGB2BGR))
print(f"{frame_count} frames have been extracted from the GIF and saved in {output_folder}")
def get_output_filename(input_file_path, output_folder, file_extension,suffix="") :
existing_files = [f for f in os.listdir(output_folder)]
max_progressive = 0
for filename in existing_files:
parts_ext = filename.split(".")
parts = parts_ext[0]
if len(parts) > 2 and parts.isdigit():
progressive = int(parts)
max_progressive = max(max_progressive, progressive)
new_progressive = max_progressive + 1
new_filename = f"{new_progressive:07d}{suffix}{file_extension}"
return os.path.join(output_folder, new_filename), new_filename
def get_output_filename_video(input_file_path, output_folder, file_extension,suffix="") :
input_filename = os.path.basename(input_file_path)
input_filename_without_extension = os.path.splitext(input_filename)[0]
existing_files = [f for f in os.listdir(output_folder) if f.startswith(input_filename_without_extension)]
max_progressive = 0
for filename in existing_files:
parts_ext = filename.split(".")
parts = parts_ext[0].split("_")
if len(parts) == 2 and parts[1].isdigit():
progressive = int(parts[1])
max_progressive = max(max_progressive, progressive)
new_progressive = max_progressive + 1
new_filename = f"{input_filename_without_extension}_{new_progressive:02d}{suffix}{file_extension}"
return os.path.join(output_folder, new_filename), new_filename
def image_preprocessing(i):
i = ImageOps.exif_transpose(i)
image = i.convert("RGB")
image = np.array(image).astype(np.float32) / 255.0
image = torch.from_numpy(image)[None,]
return image
def create_video_from_frames(frame_folder, output_video, frame_rate = 30.0):
frame_filenames = [os.path.join(frame_folder, filename) for filename in os.listdir(frame_folder) if filename.endswith(".png")]
frame_filenames.sort(key=lambda f: int(''.join(filter(str.isdigit, f))))
first_frame = cv2.imread(frame_filenames[0])
height, width, layers = first_frame.shape
fourcc = cv2.VideoWriter_fourcc(*'mp4v')
out = cv2.VideoWriter(output_video, fourcc, frame_rate, (width, height))
for frame_filename in frame_filenames:
frame = cv2.imread(frame_filename)
out.write(frame)
out.release()
print(f"Frames have been successfully reassembled into {output_video}")
def create_gif_from_frames(frame_folder, output_gif):
frame_filenames = [os.path.join(frame_folder, filename) for filename in os.listdir(frame_folder) if filename.endswith(".png")]
frame_filenames.sort()
frames = [imageio.imread(frame_filename) for frame_filename in frame_filenames]
# imageio
imageio.mimsave(output_gif, frames, duration=0.1)
print(f"Frames have been successfully assembled into {output_gif}")
temp_dir= folder_paths.temp_directory
class LoadVideo:
def __init__(self):
pass
@classmethod
def INPUT_TYPES(s):
files = [f for f in os.listdir(input_dir) if os.path.isfile(os.path.join(input_dir, f))]
return {"required": {"video": (sorted(files), ),
"local_url": ("STRING", {"default": ""} ),
"framerate": (_framerate, {"default": "original"} ),
"resize_by": (_resize_type,{"default": "none"} ),
"size": ("INT", {"default": 512, "min": 512, "step": 64}),
"images_limit": ("INT", {"default": 0, "min": 0, "step": 1}),
"batch_size": ("INT", {"default": 0, "min": 0, "step": 1}),
"starting_frame": ("INT", {"default": 0, "min": 0, "step": 1}),
"autoplay":("BOOLEAN",{"default": True} ),
},}
RETURN_TYPES = ("IMAGE","LATENT","STRING","INT","INT",)
OUTPUT_IS_LIST = (True, True, False, False,False, )
RETURN_NAMES = ("IMAGES","EMPTY LATENTS","METADATA","WIDTH","HEIGHT")
CATEGORY = "N-Suite/Video"
FUNCTION = "encode"
@staticmethod
def vae_encode_crop_pixels(pixels):
x = (pixels.shape[1] // 8) * 8
y = (pixels.shape[2] // 8) * 8
if pixels.shape[1] != x or pixels.shape[2] != y:
x_offset = (pixels.shape[1] % 8) // 2
y_offset = (pixels.shape[2] % 8) // 2
pixels = pixels[:, x_offset:x + x_offset, y_offset:y + y_offset, :]
return pixels
def load_video(self, video,framerate, local_url):
file_path = folder_paths.get_annotated_filepath(os.path.join("n-suite",video))
cap = cv2.VideoCapture(file_path)
# Check if the video was opened successfully
if not cap.isOpened():
print("Unable to open the video.")
else:
# Get the FPS of the video
fps = int(cap.get(cv2.CAP_PROP_FPS))
print(f"The video has {fps} frames per second.")
try:
shutil.rmtree(os.path.join(temp_output_dir,video.split(".")[0]))
except:
print("Video Path already deleted")
full_temp_output_dir = os.path.join(temp_output_dir,video.split(".")[0])
#set new framerate
if "half" in framerate:
fps = fps // 2
print (f"The video has been reduced to {fps} frames per second.")
elif "quarter" in framerate:
fps = fps // 4
print (f"The video has been reduced to {fps} frames per second.")
# Estract frames
file_extension = os.path.splitext(file_path)[1].lower()
if file_extension == ".mp4":
list_files = extract_frames_from_video(file_path, full_temp_output_dir, target_fps=fps)
audio_clip = VideoFileClip(file_path).audio
try:
#save audio
audio_clip.write_audiofile(os.path.join(temp_output_dir,video.split(".")[0],"audio.mp3"))
except:
print("Could not save audio")
pass
"""
elif file_extension == ".gif":
extract_frames_from_gif(file_path, output_dir)
#create_gif_from_frames(output_dir, output_video2)
"""
else:
print("Format not supported. Please provide an MP4 or GIF file.")
return list_files,fps
def generate_latent(self, width, height, batch_size=1):
latent = torch.zeros([batch_size, 4, height // 8, width // 8])
return {"samples":latent}
def process_image(self,args):
image_path, width, height = args
# Funzione per ridimensionare e pre-elaborare un'immagine
image = resize_image(image_path, width, height)
image = image_preprocessing(image)
return torch.tensor(image)
def encode(self,video,framerate, local_url, resize_by, size, images_limit,batch_size,starting_frame,autoplay):
metadata = []
FRAMES,fps = self.load_video(video,framerate, local_url)
max_frames = len(FRAMES)
if images_limit>0 and starting_frame>0:
images_limit = images_limit + starting_frame
#if images_limit==0:
# images_limit = max_frames
print(f"images_limit {images_limit}")
#if starting frame is too high do the last frames only
if starting_frame>max_frames:
starting_frame = max_frames-1
print(f"{YELLOW}WARNING: The starting frame is greater than the number of frames in the video. Only the last frame of the video will be used ({starting_frame}). {END}")
#if images_limit > max_frames
if images_limit > max_frames:
images_limit = max_frames
print(f"{YELLOW}WARNING: The number of images to extract is greater than the number of frames in the video. Images_limit has been reduced to the number of frames ({images_limit}). {END}")
#if batch_size > max_frames
if batch_size > max_frames:
print(f"{YELLOW}WARNING: The batch size is greater than the number of frames requested. Batch size has been reduced. {END}")
batch_size = max_frames
#if batch_size > images_limit
if images_limit!=0 and batch_size > images_limit:
print(f"{YELLOW}WARNING: The batch size is greater than the number of frames requested. Batch size has been reduced to the number of images_limit. {END}")
batch_size = images_limit
pool_size=5
t_list = []
i_list = []
i = 0
o = 0
final_count_frame=0
with concurrent.futures.ThreadPoolExecutor() as executor:
futures = []
width, height = calc_resize_image(FRAMES[0], size, resize_by)
for batch_start in range(0, len(FRAMES), pool_size):
batch_images = FRAMES[batch_start:batch_start + pool_size]
#remove audio if image_limit > 0 or starting_frame>0
if images_limit != 0 or starting_frame != 0:
try:
os.remove(os.path.join(temp_output_dir,video.split(".")[0],"audio.mp3"))
except:
pass
#if o >= images_limit:
# break
for image_path in batch_images:
# loop only when it reaches the starting_frame
if o>=starting_frame and (o<images_limit or images_limit==0):
args = (image_path, width, height)
futures.append(executor.submit(self.process_image, args))
final_count_frame += 1
o += 1
i += len(batch_images)
# Attendi il completamento delle operazioni in parallelo
concurrent.futures.wait(futures)
# Recupera i risultati
for future in futures:
batch_i_tensors = future.result()
i_list.extend(batch_i_tensors)
i_tensor = torch.stack(i_list, dim=0)
if images_limit != 0 or starting_frame != 0:
b_size=final_count_frame
else:
b_size=len(FRAMES)
latent = self.generate_latent( width, height, batch_size=b_size)
metadata.append(fps)
metadata.append(b_size)
try:
metadata.append(video.split(".")[0])
except:
print("No video name")
if batch_size != 0:
rebatcher = LatentRebatch()
rebatched_latent = rebatcher.rebatch([latent], [batch_size])
n_chunks = b_size//batch_size
i_tensor_batches = torch.chunk(i_tensor, n_chunks, dim=0)
return (i_tensor_batches,rebatched_latent,metadata, width, height,)
return ( [i_tensor],[latent],metadata, width, height,)
class SaveVideo:
def __init__(self):
self.type = "output"
@classmethod
def INPUT_TYPES(s):
s.video_file_path,s.video_filename = get_output_filename_video("video", videos_output_dir, ".mp4")
try:
shutil.rmtree(frames_output_dir)
os.mkdir(frames_output_dir)
except:
pass
#print(f"Temporary folder {frames_output_dir} has been emptied.")
return {"required":
{"images": ("IMAGE", ),
"METADATA": ("STRING", {"default": "", "forceInput": True} ),
"SaveVideo": ("BOOLEAN",{"default": False} ),
"SaveFrames": ("BOOLEAN",{"default": False} ),
"CompressionLevel": ("INT", {"default": 2, "min": 0, "max":9, "step": 1}),
},
"hidden": {"prompt": "PROMPT", "extra_pnginfo": "EXTRA_PNGINFO"},
}
RETURN_TYPES = ()
FUNCTION = "save_video"
OUTPUT_NODE = True
CATEGORY = "N-Suite/Video"
def save_video(self, images,METADATA,SaveVideo,SaveFrames, CompressionLevel, prompt=None, extra_pnginfo=None):
fps = METADATA[0]
frame_number = METADATA[1]
video_filename_original = METADATA[2]
#full_output_folder, filename, counter, subfolder, filename_prefix = folder_paths.get_save_image_path("", frames_output_dir, images[0].shape[1], images[0].shape[0])
results = list()
for image in images:
full_output_folder,file = get_output_filename("", frames_output_dir, ".png")
file_name = file
i = 255. * image.cpu().numpy()
img = Image.fromarray(np.clip(i, 0, 255).astype(np.uint8))
metadata = None
#file = f"frame_{counter:05}_.png"
img.save(full_output_folder, pnginfo=metadata, compress_level=CompressionLevel)
results.append({
"filename": file,
"subfolder": "frames",
"type": self.type
})
try:
file_name_number = int(file.split(".")[0])
except:
file_name_number = 0
if(file_name_number >= frame_number):
create_video_from_frames(frames_output_dir, videos_output_temp_dir,frame_rate=fps)
video_clip = VideoFileClip(videos_output_temp_dir)
try:
audio_clip = AudioFileClip(os.path.join(temp_output_dir,video_filename_original,"audio.mp3"))
video_clip = video_clip.set_audio(audio_clip)
except:
print("No audio found")
pass
if SaveFrames == True:
#copy frames_output_dir to self.video_file_path/self.video_filename
frame_folder=os.path.join(videos_output_dir,self.video_filename.split(".")[0])
shutil.copytree(frames_output_dir, frame_folder)
if SaveVideo == True:
video_clip.write_videofile(self.video_file_path)
file_name = self.video_filename
else:
#delete all temporary files that start with video_preview
for file in os.listdir(video_preview_output_temp_dir):
if file.startswith("video_preview"):
os.remove(os.path.join(video_preview_output_temp_dir,file))
#random number
suffix = str(random.randint(1,100000))
file_name = f"video_preview_{suffix}.mp4"
video_clip.write_videofile(os.path.join(video_preview_output_temp_dir,file_name))
return {"ui": {"text": [file_name],}}
class LoadFramesFromFolder:
def __init__(self):
pass
@classmethod
def INPUT_TYPES(s):
return {"required": { "folder":("STRING", {"default": ""} ),
"fps":("INT", {"default": 30})
}}
RETURN_TYPES = ("IMAGE","STRING",)
RETURN_NAMES = ("IMAGES","METADATA")
FUNCTION = "load_images"
OUTPUT_IS_LIST = (True,False,)
CATEGORY = "N-Suite/Video"
def load_images(self, folder,fps):
image_list = []
METADATA = [fps, len(os.listdir(folder)),"load"]
images = [os.path.join(folder, filename) for filename in os.listdir(folder) if filename.endswith(".png") or filename.endswith(".jpg")]
images.sort(key=lambda f: int(''.join(filter(str.isdigit, f))))
for image in images:
image_list.append(image_preprocessing(Image.open(image)))
#i_tensor = torch.stack(image_list, dim=0)
return (image_list,METADATA,)
class SetMetadata:
def __init__(self):
pass
@classmethod
def INPUT_TYPES(s):
return {"required": { "number_of_frames":("INT", {"default": 1, "min": 1, "step": 1}),
"fps":("INT", {"default": 30, "min": 1, "step": 1}),
"VideoName": ("STRING", {"default": "manual"} )
}}
RETURN_TYPES = ("STRING",)
RETURN_NAMES = ("METADATA",)
FUNCTION = "set_metadata"
OUTPUT_IS_LIST = (False,)
CATEGORY = "N-Suite/Video"
def set_metadata(self, number_of_frames,fps,VideoName):
METADATA = [fps, number_of_frames,VideoName]
return (METADATA,)
# A dictionary that contains all nodes you want to export with their names
# NOTE: names should be globally unique
NODE_CLASS_MAPPINGS = {
"LoadVideo": LoadVideo,
"SaveVideo":SaveVideo,
"LoadFramesFromFolder": LoadFramesFromFolder,
"SetMetadataForSaveVideo": SetMetadata
}
# A dictionary that contains the friendly/humanly readable titles for the nodes
NODE_DISPLAY_NAME_MAPPINGS = {
"Video": "LoadVideo",
"Video": "SaveVideo",
"Video": "LoadFramesFromFolder",
"Video": "SetMetadataForSaveVideo"
}