Patchification research to condition the model

This commit is contained in:
CrossProduct
2025-01-14 18:14:53 +00:00
parent 9f0fdb5055
commit f34b8659c3
2 changed files with 73 additions and 0 deletions
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import torch
from diffusers import LTXPipeline
from diffusers import LTXVideoTransformer3DModel
from diffusers.utils import export_to_video
from diffusers.utils import testing_utils
testing_utils.enable_full_determinism()
transformer = LTXVideoTransformer3DModel.from_pretrained("/home/ubuntu/upstream/finetrainers/ltx-video/ltxv_strip/checkpoint-38000/transformer/",torch_dtype=torch.bfloat16).to("cuda")
pipe = LTXPipeline.from_pretrained(
"Lightricks/LTX-Video", torch_dtype=torch.bfloat16,
# transformer=transformer
).to("cuda")
prompt = "A woman semi nude in red lingerie with black straps and garter belts walks through a modern, minimalist interior featuring a white sofa, black chairs, and a glass partition. Her confident and alluring demeanor is highlighted by the soft lighting and the room's neutral tones. As she strides forward, her bare feet touch the carpet, and her blonde hair cascades over her shoulders. The setting includes a sleek black dining table and a bookshelf filled with books and decorative items, creating an atmosphere of sophistication and intimacy."
g = torch.Generator(device="cuda")
g.manual_seed(42)
for seconds in range(3, 8):
num_frames = seconds * 24
result = pipe(
prompt=prompt,
width=768,
height=512,
num_frames=num_frames,
num_inference_steps=50,
generator=g
)
video = result.frames[0]
export_to_video(video, f"out_{seconds}.mp4", fps=24)
# pipe.load_lora_weights("/home/ubuntu/finetrainers/ltx-video/ltxv_strip/checkpoint-10000/pytorch_lora_weights.safetensors", adapter_name="ltxv-lora")
# pipe.set_adapters(["ltxv-lora"], [1.0])
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import torch
# Creating a Multi Channel Single Video
a = torch.ones(1,2,4,4) # video
b = torch.randn(1,2,4,4) # conditioning
c = torch.cat([a,b],dim=1)
# Final shape.
print(c.shape)
print(c)
# ImageOrVideoDataset Shape result
# _preprocess_video [F, C, H, W] video tensor
# _preprocess_image [1, C, H, W] (1-frame video)
# VAE Shape Results Dims
# VideoProcessor latent output shape preprocess_video
# Video Tensor Shape
# Latent Tensor Shape
# VAE Patchification Result Shape
# encode and then decode and decouple the videos
#
# check transformer hidden state, should still be same sequence or slightly larger sequence.
def patchify_multichannel_latent(video_latent:torch.tensor,patch_size:int):# B, C, F, W, H
pass
def unpatchify_multichannel_laten(video_latent:torch.tensor,patch_size:int): # B, C ,F, W, H
pass
def mask_multichannel_latent(mask_shape:torch.tensor):
pass