[Omnigen] Added support to Omnigen model and Pipeline

[ighoshsubho]

What does this PR do?

Fixes #9873

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[staoxiao]

@ighoshsubho, great work! I am the owner of OmniGen repo, and also currently working on integrating OmniGen into Diffusers. We can collaborate on this. Perhaps you could submit the PR to my forked Diffusers: https://github.com/staoxiao/diffusers, and I can try to further optimize it.

[ighoshsubho]

@ighoshsubho, great work! I am the owner of OmniGen repo, and also currently working on integrating OmniGen into Diffusers. We can collaborate on this. Perhaps you could submit the PR to my forked Diffusers: https://github.com/staoxiao/diffusers, and I can try to further optimize it.

sure will make a PR there with changes.

[github-actions]

This issue has been automatically marked as stale because it has not had recent activity. If you think this still needs to be addressed please comment on this thread.

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[nitinmukesh]

Remove stale.
This is an interesting project and looking forward to it's integration.

[a-r-r-o-w]

@nitinmukesh Omnigen has already been integrated by the author in a separate PR :)

[nitinmukesh]

Oh! I was wondering I have Gradio UI ready locally, why did I not integrated. Thanks for letting me know. Please could this be closed.

repo_id = "Shitao/OmniGen-v1-diffusers"

modules.util.appstate.global_pipe = OmniGenPipeline.from_pretrained(
    repo_id,
    torch_dtype=torch.bfloat16
)

[yiyixuxu]

closing as completed!