blakeblackshear--frigate
wehub-resource-sync
46 行
1.2 KiB
Python
46 行
1.2 KiB
Python
import logging
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from typing import Literal
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from pydantic import ConfigDict
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from frigate.detectors.detection_api import DetectionApi
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from frigate.detectors.detector_config import BaseDetectorConfig
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from ..detector_utils import (
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tflite_detect_raw,
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tflite_init,
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tflite_load_delegate_interpreter,
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)
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logger = logging.getLogger(__name__)
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# Use _tfl suffix to default tflite model
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DETECTOR_KEY = "teflon_tfl"
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class TeflonDetectorConfig(BaseDetectorConfig):
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"""Teflon delegate detector for TFLite using Mesa Teflon delegate library to accelerate inference on supported GPUs."""
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model_config = ConfigDict(
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title="Teflon",
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)
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type: Literal[DETECTOR_KEY]
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class TeflonTfl(DetectionApi):
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type_key = DETECTOR_KEY
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def __init__(self, detector_config: TeflonDetectorConfig):
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# Location in Debian's mesa-teflon-delegate
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delegate_library = "/usr/lib/teflon/libteflon.so"
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device_config = {}
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interpreter = tflite_load_delegate_interpreter(
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delegate_library, detector_config, device_config
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)
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tflite_init(self, interpreter)
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def detect_raw(self, tensor_input):
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return tflite_detect_raw(self, tensor_input)
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