modelscope / modelscope/DiffSynth-Studio

Trying to create tensor with negative dimension

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Description

Hi,
I'm trying to edit a video using Vace:

control_video = VideoData("a.mp4", height=1600, width=3840)
video = pipe(
prompt="背景是很普通的房子,人们的穿着也特别朴素",
negative_prompt="色调艳丽,过曝,静态,细节模糊不清,字幕,风格,作品,画作,画面,静止,整体发灰,JPEG压缩残留,丑陋的,残缺的,多余的手指,画得不好的手部,画得不好的脸部,畸形的,毁容的,形态畸形的肢体,手指融合,静止不动的画面,杂乱的背景,三条腿,倒着走",
vace_video=control_video,
seed=1, tiled=True,
height=1600, width=3840,
)
save_video(video, "output.mp4", fps=15, quality=5)

but facing the following error:

RuntimeError: Trying to create tensor with negative dimension -96000: [1, -96000, 5120]

How to fix this issue?

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the Vace entry point shown in the issue: the VideoData construction and pipe call using height 1600 and width 3840 with tiled=True. Trace where these dimensions produce the reported negative tensor dimension, then verify the behavior with the same invocation; done means the video can be generated without the RuntimeError.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
machine-learning
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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