"""Native visual HVS adapter used by visual initialization.""" from .registry import MODELS class Actor: def __init__(self,name,out,max_pixels=65536): import torch from transformers import AutoProcessor,Qwen2_5_VLForConditionalGeneration self.name=name;self.profile=MODELS[name];self.kind=self.profile['kind'];self.out=out;self.max_pixels=max_pixels assert self.kind=='vl' and not self.profile['audio'] self.proc=AutoProcessor.from_pretrained(self.profile['path'],local_files_only=True,min_pixels=3136,max_pixels=max_pixels,use_fast=True) self.model=Qwen2_5_VLForConditionalGeneration.from_pretrained(self.profile['path'],local_files_only=True,torch_dtype=torch.bfloat16,attn_implementation='sdpa').cuda().eval() ip=self.proc.image_processor;ip.min_pixels=3136;ip.max_pixels=max_pixels if isinstance(getattr(ip,'size',None),dict):ip.size.update(shortest_edge=3136,longest_edge=max_pixels) self.model.requires_grad_(False) def prepare_inputs(self,msgs,pics,audio=None): assert audio is None text=self.proc.apply_chat_template(msgs,tokenize=False,add_generation_prompt=True) batch=dict(self.proc(text=[text],images=pics,return_tensors='pt',padding=True)) assert batch['input_ids'].shape[1]<=4096 return batch def generate(self,msgs,pics,audio=None,instruction='',pose=None): import torch x={k:v.cuda() for k,v in self.prepare_inputs(msgs,pics,audio).items()};n=x['input_ids'].shape[1] with torch.inference_mode(),torch.autocast('cuda',dtype=torch.bfloat16): y=self.model.generate(**x,max_new_tokens=512,do_sample=False,use_cache=True,pad_token_id=self.proc.tokenizer.eos_token_id) return self.proc.decode(y[0,n:],skip_special_tokens=True)