Fi fddlmZddlmZddlZddlZddlmZddl m Z ddl m Z Gdd e Z y) ) annotations)PathN)LOGGER)check_requirements) BaseBackendc eZdZdZddZddZy) NCNNBackendzTencent NCNN inference backend for mobile and embedded deployment. Loads and runs inference with Tencent NCNN models (*_ncnn_model/ directories). Optimized for mobile platforms with optional Vulkan GPU acceleration when available. ctjd|dtddddl}||_|j |_t|jtr|jjdrvd |j j_ |j jt|jjd d t!jd |_nd |j j_ t#|}|j%st'|j)d}|j j+t||j j-t|j/d|j0dz }|j3r'ddlm}|j9|j;|yy)zLoad an NCNN model from a .param/.bin file pair or model directory. Args: weight (str | Path): Path to the .param file or directory containing NCNN model files. zLoading z for NCNN inference...ncnnz --no-deps)cmdsrNvulkanT:rcpuFz*.paramz.binz metadata.yaml)YAML)rinforr pyncnnNetnet isinstancedevicestr startswithoptuse_vulkan_computeset_vulkan_deviceintsplittorchris_filenextglob load_param load_model with_suffixparentexistsultralytics.utilsrapply_metadataload)selfweightrw metadata_filers ^/var/www/pod-logistic/pod-ai/venv/lib/python3.12/site-packages/ultralytics/nn/backends/ncnn.pyr$zNCNNBackend.load_modelsM  hvh&<=>6 4 ::< dkk3 'DKK,B,B8,L.2DHHLL + HH & &s4;;+<+rMs(# $78+8r0