f75c437a60
Signed-off-by: princepride <wangzhipeng628@gmail.com> Co-authored-by: Cursor <cursoragent@cursor.com> Co-authored-by: Hongsheng Liu <liuhongsheng4@huawei.com> Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
50 lines
2.1 KiB
Python
50 lines
2.1 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
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from __future__ import annotations
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import inspect
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from vllm_omni.diffusion.data import OmniDiffusionConfig
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from vllm_omni.diffusion.registry import DiffusionModelRegistry
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def supports_multimodal_input(od_config: OmniDiffusionConfig) -> tuple[bool, bool]:
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if od_config.diffusion_load_format == "diffusers" and (pipe_cls := od_config.diffusers_pipeline_cls) is not None:
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signature = inspect.signature(pipe_cls.__call__)
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support_image_input = "image" in signature.parameters
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support_audio_input = (
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"audio" in signature.parameters or "audio_latents" in signature.parameters
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) # ref. LTX-2 format
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return support_image_input, support_audio_input
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supports_image_input = False
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supports_audio_input = False
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model_cls = DiffusionModelRegistry._try_load_model_cls(od_config.model_class_name)
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if model_cls is not None:
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supports_image_input = bool(getattr(model_cls, "support_image_input", False))
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supports_audio_input = bool(getattr(model_cls, "support_audio_input", False))
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return supports_image_input, supports_audio_input
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def image_color_format(model_class_name: str) -> str:
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model_cls = DiffusionModelRegistry._try_load_model_cls(model_class_name)
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return getattr(model_cls, "color_format", "RGB")
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def supports_audio_output(model_class_name: str) -> bool:
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model_cls = DiffusionModelRegistry._try_load_model_cls(model_class_name)
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if model_cls is None:
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return False
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return bool(getattr(model_cls, "support_audio_output", False))
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def get_dummy_run_num_frames(model_class_name: str, supports_audio_input: bool) -> int:
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"""Get num_frames for the dummy warmup run. Returns 0 to skip warmup."""
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model_cls = DiffusionModelRegistry._try_load_model_cls(model_class_name)
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if model_cls is not None and hasattr(model_cls, "dummy_run_num_frames"):
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return int(getattr(model_cls, "dummy_run_num_frames"))
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return 2 if supports_audio_input or supports_audio_output(model_class_name) else 1
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