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Add prompt metadata to png exports #178

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Add prompt metadata to png exports #178

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c85d440
Add prompt metadata to png exports
hardreddata Apr 20, 2025
cf455da
Add prompt and seed metadata to png
hardreddata Apr 20, 2025
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7 changes: 6 additions & 1 deletion demo_gradio.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
import math

from PIL import Image
from PIL.PngImagePlugin import PngInfo
from diffusers import AutoencoderKLHunyuanVideo
from transformers import LlamaModel, CLIPTextModel, LlamaTokenizerFast, CLIPTokenizer
from diffusers_helper.hunyuan import encode_prompt_conds, vae_decode, vae_encode, vae_decode_fake
Expand Down Expand Up @@ -141,7 +142,11 @@ def worker(input_image, prompt, n_prompt, seed, total_second_length, latent_wind
height, width = find_nearest_bucket(H, W, resolution=640)
input_image_np = resize_and_center_crop(input_image, target_width=width, target_height=height)

Image.fromarray(input_image_np).save(os.path.join(outputs_folder, f'{job_id}.png'))
metadata = PngInfo()
metadata.add_text("prompt", prompt)
metadata.add_text("seed", str(seed))

Image.fromarray(input_image_np).save(os.path.join(outputs_folder, f'{job_id}.png'), pnginfo=metadata)

input_image_pt = torch.from_numpy(input_image_np).float() / 127.5 - 1
input_image_pt = input_image_pt.permute(2, 0, 1)[None, :, None]
Expand Down