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allow mask to be base64 encoded into the config file

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This commit is contained in:
Blake Blackshear 2020-07-25 08:11:05 -05:00
parent 1f03c8cb8c
commit e6c6338266
2 changed files with 10 additions and 2 deletions
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4
config/config.example.yml
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@ -126,7 +126,9 @@ cameras:
# width: 720
################
## Optional mask. Must be the same aspect ratio as your video feed.
## Optional mask. Must be the same aspect ratio as your video feed. Value is either the
## name of a file in the config directory or a base64 encoded bmp image prefixed with
## 'base64,' eg. 'base64,asfasdfasdf....'.
##
## The mask works by looking at the bottom center of the bounding box for the detected
## person in the image. If that pixel in the mask is a black pixel, it ignores it as a

8
frigate/video.py
View File

@ -12,6 +12,7 @@ import numpy as np
import copy
import itertools
import json
import base64
from collections import defaultdict
from frigate.util import draw_box_with_label, area, calculate_region, clipped, intersection_over_union, intersection, EventsPerSecond, listen, PlasmaManager
from frigate.objects import ObjectTracker
@ -189,7 +190,12 @@ def track_camera(name, config, global_objects_config, frame_queue, frame_shape,
# load in the mask for object detection
if 'mask' in config:
mask = cv2.imread("/config/{}".format(config['mask']), cv2.IMREAD_GRAYSCALE)
if config['mask'].startswith('base64,'):
img = base64.b64decode(config['mask'][7:])
npimg = np.fromstring(img, dtype=np.uint8)
mask = cv2.imdecode(npimg, cv2.IMREAD_GRAYSCALE)
else:
mask = cv2.imread("/config/{}".format(config['mask']), cv2.IMREAD_GRAYSCALE)
else:
mask = None