mirror of
https://github.com/blakeblackshear/frigate.git
synced 2026-08-02 17:12:16 +03:00
Hailo Official integration (#16906)
* Adding Models * Final Async Update * Bug Fixing * Fix * Adding fixes * Working async infer * Final Documenatation and debug update * Removing some extra prints * Post-process correct label push * config docs fix * Review Fix * Review fix 2.0 * Fixing the ASYNC API to work from 30ms to 10ms * Fix for multi stream async infernce * Format * Fix #3 * Format#2 * Remove Unnessery includes * Sort Imports
This commit is contained in:
Regular → Executable
+390
-226
@@ -1,286 +1,450 @@
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import logging
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import os
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import queue
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import subprocess
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import threading
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import urllib.request
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from functools import partial
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from typing import Dict, List, Optional, Tuple
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import cv2
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import numpy as np
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try:
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from hailo_platform import (
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HEF,
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ConfigureParams,
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FormatType,
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HailoRTException,
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HailoStreamInterface,
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InferVStreams,
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InputVStreamParams,
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OutputVStreamParams,
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HailoSchedulingAlgorithm,
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VDevice,
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)
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except ModuleNotFoundError:
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pass
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from pydantic import BaseModel, Field
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from pydantic import Field
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from typing_extensions import Literal
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from frigate.const import MODEL_CACHE_DIR
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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 frigate.detectors.detector_config import (
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BaseDetectorConfig,
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)
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# Set up logging
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logger = logging.getLogger(__name__)
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# Define the detector key for Hailo
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# ----------------- ResponseStore Class ----------------- #
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class ResponseStore:
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"""
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A thread-safe hash-based response store that maps request IDs
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to their results. Threads can wait on the condition variable until
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their request's result appears.
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"""
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def __init__(self):
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self.responses = {} # Maps request_id -> (original_input, infer_results)
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self.lock = threading.Lock()
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self.cond = threading.Condition(self.lock)
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def put(self, request_id, response):
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with self.cond:
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self.responses[request_id] = response
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self.cond.notify_all()
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def get(self, request_id, timeout=None):
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with self.cond:
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if not self.cond.wait_for(
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lambda: request_id in self.responses, timeout=timeout
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):
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raise TimeoutError(f"Timeout waiting for response {request_id}")
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return self.responses.pop(request_id)
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# ----------------- Utility Functions ----------------- #
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def preprocess_tensor(image: np.ndarray, model_w: int, model_h: int) -> np.ndarray:
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"""
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Resize an image with unchanged aspect ratio using padding.
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Assumes input image shape is (H, W, 3).
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"""
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if image.ndim == 4 and image.shape[0] == 1:
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image = image[0]
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h, w = image.shape[:2]
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if (w, h) == (320, 320) and (model_w, model_h) == (640, 640):
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return cv2.resize(image, (model_w, model_h), interpolation=cv2.INTER_LINEAR)
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scale = min(model_w / w, model_h / h)
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new_w, new_h = int(w * scale), int(h * scale)
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resized_image = cv2.resize(image, (new_w, new_h), interpolation=cv2.INTER_CUBIC)
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padded_image = np.full((model_h, model_w, 3), 114, dtype=image.dtype)
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x_offset = (model_w - new_w) // 2
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y_offset = (model_h - new_h) // 2
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padded_image[y_offset : y_offset + new_h, x_offset : x_offset + new_w] = (
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resized_image
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)
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return padded_image
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# ----------------- Global Constants ----------------- #
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DETECTOR_KEY = "hailo8l"
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ARCH = None
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H8_DEFAULT_MODEL = "yolov6n.hef"
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H8L_DEFAULT_MODEL = "yolov6n.hef"
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H8_DEFAULT_URL = "https://hailo-model-zoo.s3.eu-west-2.amazonaws.com/ModelZoo/Compiled/v2.14.0/hailo8/yolov6n.hef"
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H8L_DEFAULT_URL = "https://hailo-model-zoo.s3.eu-west-2.amazonaws.com/ModelZoo/Compiled/v2.14.0/hailo8l/yolov6n.hef"
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# Configuration class for model settings
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class ModelConfig(BaseModel):
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path: str = Field(default=None, title="Model Path") # Path to the HEF file
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def detect_hailo_arch():
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try:
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result = subprocess.run(
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["hailortcli", "fw-control", "identify"], capture_output=True, text=True
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)
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if result.returncode != 0:
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logger.error(f"Inference error: {result.stderr}")
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return None
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for line in result.stdout.split("\n"):
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if "Device Architecture" in line:
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if "HAILO8L" in line:
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return "hailo8l"
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elif "HAILO8" in line:
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return "hailo8"
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logger.error("Inference error: Could not determine Hailo architecture.")
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return None
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except Exception as e:
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logger.error(f"Inference error: {e}")
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return None
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# Configuration class for Hailo detector
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class HailoDetectorConfig(BaseDetectorConfig):
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type: Literal[DETECTOR_KEY] # Type of the detector
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device: str = Field(default="PCIe", title="Device Type") # Device type (e.g., PCIe)
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# ----------------- HailoAsyncInference Class ----------------- #
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class HailoAsyncInference:
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def __init__(
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self,
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hef_path: str,
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input_queue: queue.Queue,
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output_store: ResponseStore,
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batch_size: int = 1,
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input_type: Optional[str] = None,
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output_type: Optional[Dict[str, str]] = None,
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send_original_frame: bool = False,
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) -> None:
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self.input_queue = input_queue
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self.output_store = output_store
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params = VDevice.create_params()
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params.scheduling_algorithm = HailoSchedulingAlgorithm.ROUND_ROBIN
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self.hef = HEF(hef_path)
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self.target = VDevice(params)
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self.infer_model = self.target.create_infer_model(hef_path)
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self.infer_model.set_batch_size(batch_size)
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if input_type is not None:
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self._set_input_type(input_type)
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if output_type is not None:
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self._set_output_type(output_type)
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self.output_type = output_type
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self.send_original_frame = send_original_frame
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def _set_input_type(self, input_type: Optional[str] = None) -> None:
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self.infer_model.input().set_format_type(getattr(FormatType, input_type))
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def _set_output_type(
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self, output_type_dict: Optional[Dict[str, str]] = None
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) -> None:
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for output_name, output_type in output_type_dict.items():
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self.infer_model.output(output_name).set_format_type(
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getattr(FormatType, output_type)
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)
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def callback(
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self,
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completion_info,
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bindings_list: List,
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input_batch: List,
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request_ids: List[int],
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):
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if completion_info.exception:
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logger.error(f"Inference error: {completion_info.exception}")
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else:
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for i, bindings in enumerate(bindings_list):
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if len(bindings._output_names) == 1:
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result = bindings.output().get_buffer()
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else:
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result = {
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name: np.expand_dims(bindings.output(name).get_buffer(), axis=0)
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for name in bindings._output_names
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}
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self.output_store.put(request_ids[i], (input_batch[i], result))
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def _create_bindings(self, configured_infer_model) -> object:
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if self.output_type is None:
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output_buffers = {
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output_info.name: np.empty(
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self.infer_model.output(output_info.name).shape,
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dtype=getattr(
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np, str(output_info.format.type).split(".")[1].lower()
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),
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)
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for output_info in self.hef.get_output_vstream_infos()
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}
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else:
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output_buffers = {
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name: np.empty(
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self.infer_model.output(name).shape,
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dtype=getattr(np, self.output_type[name].lower()),
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)
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for name in self.output_type
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}
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return configured_infer_model.create_bindings(output_buffers=output_buffers)
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def get_input_shape(self) -> Tuple[int, ...]:
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return self.hef.get_input_vstream_infos()[0].shape
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def run(self) -> None:
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with self.infer_model.configure() as configured_infer_model:
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while True:
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batch_data = self.input_queue.get()
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if batch_data is None:
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break
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request_id, frame_data = batch_data
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preprocessed_batch = [frame_data]
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request_ids = [request_id]
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input_batch = preprocessed_batch # non-send_original_frame mode
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bindings_list = []
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for frame in preprocessed_batch:
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bindings = self._create_bindings(configured_infer_model)
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bindings.input().set_buffer(np.array(frame))
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bindings_list.append(bindings)
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configured_infer_model.wait_for_async_ready(timeout_ms=10000)
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job = configured_infer_model.run_async(
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bindings_list,
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partial(
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self.callback,
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input_batch=input_batch,
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request_ids=request_ids,
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bindings_list=bindings_list,
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),
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)
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job.wait(100)
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# Hailo detector class implementation
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# ----------------- HailoDetector Class ----------------- #
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class HailoDetector(DetectionApi):
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type_key = DETECTOR_KEY # Set the type key to the Hailo detector key
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type_key = DETECTOR_KEY
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def __init__(self, detector_config: HailoDetectorConfig):
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# Initialize device type and model path from the configuration
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self.h8l_device_type = detector_config.device
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self.h8l_model_path = detector_config.model.path
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self.h8l_model_height = detector_config.model.height
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self.h8l_model_width = detector_config.model.width
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self.h8l_model_type = detector_config.model.model_type
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self.h8l_tensor_format = detector_config.model.input_tensor
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self.h8l_pixel_format = detector_config.model.input_pixel_format
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self.model_url = "https://hailo-model-zoo.s3.eu-west-2.amazonaws.com/ModelZoo/Compiled/v2.11.0/hailo8l/ssd_mobilenet_v1.hef"
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self.cache_dir = os.path.join(MODEL_CACHE_DIR, "h8l_cache")
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self.expected_model_filename = "ssd_mobilenet_v1.hef"
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output_type = "FLOAT32"
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def __init__(self, detector_config: "HailoDetectorConfig"):
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global ARCH
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ARCH = detect_hailo_arch()
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self.cache_dir = MODEL_CACHE_DIR
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self.device_type = detector_config.device
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self.model_height = (
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detector_config.model.height
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if hasattr(detector_config.model, "height")
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else None
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)
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self.model_width = (
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detector_config.model.width
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if hasattr(detector_config.model, "width")
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else None
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)
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self.model_type = (
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detector_config.model.model_type
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if hasattr(detector_config.model, "model_type")
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else None
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)
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self.tensor_format = (
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detector_config.model.input_tensor
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if hasattr(detector_config.model, "input_tensor")
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else None
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)
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self.pixel_format = (
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detector_config.model.input_pixel_format
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if hasattr(detector_config.model, "input_pixel_format")
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else None
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)
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self.input_dtype = (
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detector_config.model.input_dtype
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if hasattr(detector_config.model, "input_dtype")
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else None
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)
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self.output_type = "FLOAT32"
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self.set_path_and_url(detector_config.model.path)
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self.working_model_path = self.check_and_prepare()
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self.batch_size = 1
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self.input_queue = queue.Queue()
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self.response_store = ResponseStore()
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self.request_counter = 0
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self.request_counter_lock = threading.Lock()
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logger.info(f"Initializing Hailo device as {self.h8l_device_type}")
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self.check_and_prepare_model()
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try:
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# Validate device type
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if self.h8l_device_type not in ["PCIe", "M.2"]:
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raise ValueError(f"Unsupported device type: {self.h8l_device_type}")
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# Initialize the Hailo device
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self.target = VDevice()
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# Load the HEF (Hailo's binary format for neural networks)
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self.hef = HEF(self.h8l_model_path)
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# Create configuration parameters from the HEF
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self.configure_params = ConfigureParams.create_from_hef(
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hef=self.hef, interface=HailoStreamInterface.PCIe
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logger.debug(f"[INIT] Loading HEF model from {self.working_model_path}")
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self.inference_engine = HailoAsyncInference(
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self.working_model_path,
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self.input_queue,
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self.response_store,
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self.batch_size,
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)
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# Configure the device with the HEF
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self.network_groups = self.target.configure(self.hef, self.configure_params)
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self.network_group = self.network_groups[0]
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self.network_group_params = self.network_group.create_params()
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# Create input and output virtual stream parameters
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self.input_vstream_params = InputVStreamParams.make(
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self.network_group,
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format_type=self.hef.get_input_vstream_infos()[0].format.type,
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self.input_shape = self.inference_engine.get_input_shape()
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logger.debug(f"[INIT] Model input shape: {self.input_shape}")
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self.inference_thread = threading.Thread(
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target=self.inference_engine.run, daemon=True
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)
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self.output_vstream_params = OutputVStreamParams.make(
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self.network_group, format_type=getattr(FormatType, output_type)
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)
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# Get input and output stream information from the HEF
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self.input_vstream_info = self.hef.get_input_vstream_infos()
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self.output_vstream_info = self.hef.get_output_vstream_infos()
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logger.info("Hailo device initialized successfully")
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logger.debug(f"[__init__] Model Path: {self.h8l_model_path}")
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logger.debug(f"[__init__] Input Tensor Format: {self.h8l_tensor_format}")
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logger.debug(f"[__init__] Input Pixel Format: {self.h8l_pixel_format}")
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logger.debug(f"[__init__] Input VStream Info: {self.input_vstream_info[0]}")
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logger.debug(
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f"[__init__] Output VStream Info: {self.output_vstream_info[0]}"
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)
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except HailoRTException as e:
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logger.error(f"HailoRTException during initialization: {e}")
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raise
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self.inference_thread.start()
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except Exception as e:
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logger.error(f"Failed to initialize Hailo device: {e}")
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logger.error(f"[INIT] Failed to initialize HailoAsyncInference: {e}")
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raise
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def check_and_prepare_model(self):
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# Ensure cache directory exists
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def set_path_and_url(self, path: str = None):
|
||||
if not path:
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self.model_path = None
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self.url = None
|
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return
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if self.is_url(path):
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self.url = path
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self.model_path = None
|
||||
else:
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self.model_path = path
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self.url = None
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|
||||
def is_url(self, url: str) -> bool:
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return (
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url.startswith("http://")
|
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or url.startswith("https://")
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||||
or url.startswith("www.")
|
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)
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@staticmethod
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def extract_model_name(path: str = None, url: str = None) -> str:
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if path and path.endswith(".hef"):
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return os.path.basename(path)
|
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elif url and url.endswith(".hef"):
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return os.path.basename(url)
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else:
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if ARCH == "hailo8":
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return H8_DEFAULT_MODEL
|
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else:
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return H8L_DEFAULT_MODEL
|
||||
|
||||
@staticmethod
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||||
def download_model(url: str, destination: str):
|
||||
if not url.endswith(".hef"):
|
||||
raise ValueError("Invalid model URL. Only .hef files are supported.")
|
||||
try:
|
||||
urllib.request.urlretrieve(url, destination)
|
||||
logger.debug(f"Downloaded model to {destination}")
|
||||
except Exception as e:
|
||||
raise RuntimeError(f"Failed to download model from {url}: {str(e)}")
|
||||
|
||||
def check_and_prepare(self) -> str:
|
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if not os.path.exists(self.cache_dir):
|
||||
os.makedirs(self.cache_dir)
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model_name = self.extract_model_name(self.model_path, self.url)
|
||||
cached_model_path = os.path.join(self.cache_dir, model_name)
|
||||
if not self.model_path and not self.url:
|
||||
if os.path.exists(cached_model_path):
|
||||
logger.debug(f"Model found in cache: {cached_model_path}")
|
||||
return cached_model_path
|
||||
else:
|
||||
logger.debug(f"Downloading default model: {model_name}")
|
||||
if ARCH == "hailo8":
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||||
self.download_model(H8_DEFAULT_URL, cached_model_path)
|
||||
else:
|
||||
self.download_model(H8L_DEFAULT_URL, cached_model_path)
|
||||
elif self.url:
|
||||
logger.debug(f"Downloading model from URL: {self.url}")
|
||||
self.download_model(self.url, cached_model_path)
|
||||
elif self.model_path:
|
||||
if os.path.exists(self.model_path):
|
||||
logger.debug(f"Using existing model at: {self.model_path}")
|
||||
return self.model_path
|
||||
else:
|
||||
raise FileNotFoundError(f"Model file not found at: {self.model_path}")
|
||||
return cached_model_path
|
||||
|
||||
# Check for the expected model file
|
||||
model_file_path = os.path.join(self.cache_dir, self.expected_model_filename)
|
||||
if not os.path.isfile(model_file_path):
|
||||
logger.info(
|
||||
f"A model file was not found at {model_file_path}, Downloading one from {self.model_url}."
|
||||
)
|
||||
urllib.request.urlretrieve(self.model_url, model_file_path)
|
||||
logger.info(f"A model file was downloaded to {model_file_path}.")
|
||||
else:
|
||||
logger.info(
|
||||
f"A model file already exists at {model_file_path} not downloading one."
|
||||
)
|
||||
def _get_request_id(self) -> int:
|
||||
with self.request_counter_lock:
|
||||
request_id = self.request_counter
|
||||
self.request_counter += 1
|
||||
if self.request_counter > 1000000:
|
||||
self.request_counter = 0
|
||||
return request_id
|
||||
|
||||
def detect_raw(self, tensor_input):
|
||||
logger.debug("[detect_raw] Entering function")
|
||||
logger.debug(
|
||||
f"[detect_raw] The `tensor_input` = {tensor_input} tensor_input shape = {tensor_input.shape}"
|
||||
)
|
||||
request_id = self._get_request_id()
|
||||
|
||||
if tensor_input is None:
|
||||
raise ValueError(
|
||||
"[detect_raw] The 'tensor_input' argument must be provided"
|
||||
)
|
||||
|
||||
# Ensure tensor_input is a numpy array
|
||||
if isinstance(tensor_input, list):
|
||||
tensor_input = np.array(tensor_input)
|
||||
logger.debug(
|
||||
f"[detect_raw] Converted tensor_input to numpy array: shape {tensor_input.shape}"
|
||||
)
|
||||
|
||||
input_data = tensor_input
|
||||
logger.debug(
|
||||
f"[detect_raw] Input data for inference shape: {tensor_input.shape}, dtype: {tensor_input.dtype}"
|
||||
)
|
||||
tensor_input = self.preprocess(tensor_input)
|
||||
if isinstance(tensor_input, np.ndarray) and len(tensor_input.shape) == 3:
|
||||
tensor_input = np.expand_dims(tensor_input, axis=0)
|
||||
|
||||
self.input_queue.put((request_id, tensor_input))
|
||||
try:
|
||||
with InferVStreams(
|
||||
self.network_group,
|
||||
self.input_vstream_params,
|
||||
self.output_vstream_params,
|
||||
) as infer_pipeline:
|
||||
input_dict = {}
|
||||
if isinstance(input_data, dict):
|
||||
input_dict = input_data
|
||||
logger.debug("[detect_raw] it a dictionary.")
|
||||
elif isinstance(input_data, (list, tuple)):
|
||||
for idx, layer_info in enumerate(self.input_vstream_info):
|
||||
input_dict[layer_info.name] = input_data[idx]
|
||||
logger.debug("[detect_raw] converted from list/tuple.")
|
||||
else:
|
||||
if len(input_data.shape) == 3:
|
||||
input_data = np.expand_dims(input_data, axis=0)
|
||||
logger.debug("[detect_raw] converted from an array.")
|
||||
input_dict[self.input_vstream_info[0].name] = input_data
|
||||
original_input, infer_results = self.response_store.get(
|
||||
request_id, timeout=10.0
|
||||
)
|
||||
except TimeoutError:
|
||||
logger.error(
|
||||
f"Timeout waiting for inference results for request {request_id}"
|
||||
)
|
||||
return np.zeros((20, 6), dtype=np.float32)
|
||||
|
||||
logger.debug(
|
||||
f"[detect_raw] Input dictionary for inference keys: {input_dict.keys()}"
|
||||
)
|
||||
if isinstance(infer_results, list) and len(infer_results) == 1:
|
||||
infer_results = infer_results[0]
|
||||
|
||||
with self.network_group.activate(self.network_group_params):
|
||||
raw_output = infer_pipeline.infer(input_dict)
|
||||
logger.debug(f"[detect_raw] Raw inference output: {raw_output}")
|
||||
|
||||
if self.output_vstream_info[0].name not in raw_output:
|
||||
logger.error(
|
||||
f"[detect_raw] Missing output stream {self.output_vstream_info[0].name} in inference results"
|
||||
)
|
||||
return np.zeros((20, 6), np.float32)
|
||||
|
||||
raw_output = raw_output[self.output_vstream_info[0].name][0]
|
||||
logger.debug(
|
||||
f"[detect_raw] Raw output for stream {self.output_vstream_info[0].name}: {raw_output}"
|
||||
)
|
||||
|
||||
# Process the raw output
|
||||
detections = self.process_detections(raw_output)
|
||||
if len(detections) == 0:
|
||||
logger.debug(
|
||||
"[detect_raw] No detections found after processing. Setting default values."
|
||||
)
|
||||
return np.zeros((20, 6), np.float32)
|
||||
else:
|
||||
formatted_detections = detections
|
||||
if (
|
||||
formatted_detections.shape[1] != 6
|
||||
): # Ensure the formatted detections have 6 columns
|
||||
logger.error(
|
||||
f"[detect_raw] Unexpected shape for formatted detections: {formatted_detections.shape}. Expected (20, 6)."
|
||||
)
|
||||
return np.zeros((20, 6), np.float32)
|
||||
return formatted_detections
|
||||
except HailoRTException as e:
|
||||
logger.error(f"[detect_raw] HailoRTException during inference: {e}")
|
||||
return np.zeros((20, 6), np.float32)
|
||||
except Exception as e:
|
||||
logger.error(f"[detect_raw] Exception during inference: {e}")
|
||||
return np.zeros((20, 6), np.float32)
|
||||
finally:
|
||||
logger.debug("[detect_raw] Exiting function")
|
||||
|
||||
def process_detections(self, raw_detections, threshold=0.5):
|
||||
boxes, scores, classes = [], [], []
|
||||
num_detections = 0
|
||||
|
||||
logger.debug(f"[process_detections] Raw detections: {raw_detections}")
|
||||
|
||||
for i, detection_set in enumerate(raw_detections):
|
||||
threshold = 0.4
|
||||
all_detections = []
|
||||
for class_id, detection_set in enumerate(infer_results):
|
||||
if not isinstance(detection_set, np.ndarray) or detection_set.size == 0:
|
||||
logger.debug(
|
||||
f"[process_detections] Detection set {i} is empty or not an array, skipping."
|
||||
)
|
||||
continue
|
||||
|
||||
logger.debug(
|
||||
f"[process_detections] Detection set {i} shape: {detection_set.shape}"
|
||||
)
|
||||
|
||||
for detection in detection_set:
|
||||
if detection.shape[0] == 0:
|
||||
logger.debug(
|
||||
f"[process_detections] Detection in set {i} is empty, skipping."
|
||||
)
|
||||
for det in detection_set:
|
||||
if det.shape[0] < 5:
|
||||
continue
|
||||
|
||||
ymin, xmin, ymax, xmax = detection[:4]
|
||||
score = np.clip(detection[4], 0, 1) # Use np.clip for clarity
|
||||
|
||||
score = float(det[4])
|
||||
if score < threshold:
|
||||
logger.debug(
|
||||
f"[process_detections] Detection in set {i} has a score {score} below threshold {threshold}. Skipping."
|
||||
)
|
||||
continue
|
||||
all_detections.append([class_id, score, det[0], det[1], det[2], det[3]])
|
||||
|
||||
logger.debug(
|
||||
f"[process_detections] Adding detection with coordinates: ({xmin}, {ymin}), ({xmax}, {ymax}) and score: {score}"
|
||||
)
|
||||
boxes.append([ymin, xmin, ymax, xmax])
|
||||
scores.append(score)
|
||||
classes.append(i)
|
||||
num_detections += 1
|
||||
if len(all_detections) == 0:
|
||||
detections_array = np.zeros((20, 6), dtype=np.float32)
|
||||
else:
|
||||
detections_array = np.array(all_detections, dtype=np.float32)
|
||||
if detections_array.shape[0] > 20:
|
||||
detections_array = detections_array[:20, :]
|
||||
elif detections_array.shape[0] < 20:
|
||||
pad = np.zeros((20 - detections_array.shape[0], 6), dtype=np.float32)
|
||||
detections_array = np.vstack((detections_array, pad))
|
||||
|
||||
logger.debug(
|
||||
f"[process_detections] Boxes: {boxes}, Scores: {scores}, Classes: {classes}, Num detections: {num_detections}"
|
||||
)
|
||||
return detections_array
|
||||
|
||||
if num_detections == 0:
|
||||
logger.debug("[process_detections] No valid detections found.")
|
||||
return np.zeros((20, 6), np.float32)
|
||||
|
||||
combined = np.hstack(
|
||||
(
|
||||
np.array(classes)[:, np.newaxis],
|
||||
np.array(scores)[:, np.newaxis],
|
||||
np.array(boxes),
|
||||
def preprocess(self, image):
|
||||
if isinstance(image, np.ndarray):
|
||||
processed = preprocess_tensor(
|
||||
image, self.input_shape[1], self.input_shape[0]
|
||||
)
|
||||
)
|
||||
return np.expand_dims(processed, axis=0)
|
||||
else:
|
||||
raise ValueError("Unsupported image format for preprocessing")
|
||||
|
||||
if combined.shape[0] < 20:
|
||||
padding = np.zeros(
|
||||
(20 - combined.shape[0], combined.shape[1]), dtype=combined.dtype
|
||||
)
|
||||
combined = np.vstack((combined, padding))
|
||||
def close(self):
|
||||
"""Properly shuts down the inference engine and releases the VDevice."""
|
||||
logger.debug("[CLOSE] Closing HailoDetector")
|
||||
try:
|
||||
if hasattr(self, "inference_engine"):
|
||||
if hasattr(self.inference_engine, "target"):
|
||||
self.inference_engine.target.release()
|
||||
logger.debug("Hailo VDevice released successfully")
|
||||
except Exception as e:
|
||||
logger.error(f"Failed to close Hailo device: {e}")
|
||||
raise
|
||||
|
||||
logger.debug(
|
||||
f"[process_detections] Combined detections (padded to 20 if necessary): {np.array_str(combined, precision=4, suppress_small=True)}"
|
||||
)
|
||||
def __del__(self):
|
||||
"""Destructor to ensure cleanup when the object is deleted."""
|
||||
self.close()
|
||||
|
||||
return combined[:20, :6]
|
||||
|
||||
# ----------------- HailoDetectorConfig Class ----------------- #
|
||||
class HailoDetectorConfig(BaseDetectorConfig):
|
||||
type: Literal[DETECTOR_KEY]
|
||||
device: str = Field(default="PCIe", title="Device Type")
|
||||
|
||||
Reference in New Issue
Block a user