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vllm-omni/vllm_omni/model_executor/models/dynin_omni/pipeline.py
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# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
"""Dynin-Omni pipeline topology (frozen).
Stage 0: token2text — multimodal understanding / text generation (comprehension)
Stage 1: token2image — stage-0 tokens → image latents
Stage 2: token2audio — stage-1 tokens → audio latents
All three stages run on the generation worker (``LLM_GENERATION``); the
inter-stage hand-off uses the worker-connector full-payload data plane
(``*_full_payload`` producers + ``token2text_to_token2image`` /
``token2image_to_token2audio`` consumers). Deploy knobs (devices, GPU memory,
batched tokens, connectors) live in ``vllm_omni/deploy/dynin_omni*.yaml``.
"""
from vllm_omni.config.stage_config import (
PipelineConfig,
StageExecutionType,
StagePipelineConfig,
)
_PROC = "vllm_omni.model_executor.stage_input_processors.dynin_omni"
DYNIN_OMNI_PIPELINE = PipelineConfig(
model_type="dynin_omni",
default_deploy_config_name="dynin_omni.yaml",
model_arch="DyninOmniForConditionalGeneration",
# Arch-fallback safety net: route by hf_config.architectures when the
# auto-detected model_type does not match the registry key exactly.
hf_architectures=("DyninOmniForConditionalGeneration",),
stages=(
StagePipelineConfig(
stage_id=0,
model_stage="token2text",
execution_type=StageExecutionType.LLM_GENERATION,
input_sources=(),
final_output=True,
final_output_type="text",
owns_tokenizer=True,
engine_output_type="latent",
custom_process_next_stage_input_func=f"{_PROC}.token2text_to_token2image_full_payload",
),
StagePipelineConfig(
stage_id=1,
model_stage="token2image",
execution_type=StageExecutionType.LLM_GENERATION,
input_sources=(0,),
final_output=True,
final_output_type="image",
engine_output_type="latent",
custom_process_input_func=f"{_PROC}.token2text_to_token2image",
custom_process_next_stage_input_func=f"{_PROC}.token2image_to_token2audio_full_payload",
requires_full_payload_input=True,
),
StagePipelineConfig(
stage_id=2,
model_stage="token2audio",
execution_type=StageExecutionType.LLM_GENERATION,
input_sources=(1,),
final_output=True,
final_output_type="audio",
engine_output_type="latent",
custom_process_input_func=f"{_PROC}.token2image_to_token2audio",
requires_full_payload_input=True,
),
),
)