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Add auto-configuration for detect width, height, and fps for input roles with detect in the CameraConfig class in config.py

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Sergey Krashevich 2023-06-14 23:38:42 +03:00
parent 535f710c2b
commit 63cd8e54c5
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GPG Key ID: 625171324E7D3856
2 changed files with 20 additions and 11 deletions
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24
frigate/config.py
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@ -267,7 +267,7 @@ class StationaryConfig(FrigateBaseModel):
class DetectConfig(FrigateBaseModel):
autoconf: bool = Field(default=False, title="Auto detect height, width and fps.")
autoconf: bool = Field(default=True, title="Auto detect height, width and fps.")
height: int = Field(default=720, title="Height of the stream for the detect role.")
width: int = Field(default=1280, title="Width of the stream for the detect role.")
fps: int = Field(
@ -671,6 +671,21 @@ class CameraConfig(FrigateBaseModel):
if has_rtmp:
config["ffmpeg"]["inputs"][0]["roles"].append("rtmp")
for input in config["ffmpeg"]["inputs"]:
if config["detect"].get("autoconf") and (
"detect" in input.get("roles", [])
):
try:
(
config["detect"]["width"],
config["detect"]["height"],
# config["detect"]["fps"],
) = get_video_properties(input.get("path"))
break
except Exception:
logger.debug("Error autoconf url " + input.get("path"))
continue
super().__init__(**config)
@property
@ -970,13 +985,6 @@ class FrigateConfig(FrigateBaseModel):
for input in camera_config.ffmpeg.inputs:
input.path = input.path.format(**FRIGATE_ENV_VARS)
if camera_config.detect.autoconf and ("detect" in input.roles):
(
camera_config.detect.width,
camera_config.detect.height,
camera_config.detect.fps,
) = get_video_properties(input.path)
# ONVIF substitution
if camera_config.onvif.user or camera_config.onvif.password:
camera_config.onvif.user = camera_config.onvif.user.format(

7
frigate/util.py
View File

@ -1147,12 +1147,13 @@ def to_relative_box(
def get_video_properties(url):
width = height = 0
# Open the video stream
video = cv2.VideoCapture(url)
# Check if the video stream was opened successfully
if not video.isOpened():
print("Error opening video stream")
logger.debug(f"Error opening video stream {url}.")
return None
# Get the width of frames in the video stream
@ -1162,9 +1163,9 @@ def get_video_properties(url):
height = video.get(cv2.CAP_PROP_FRAME_HEIGHT)
# Get the frames per second (fps) of the video stream
fps = video.get(cv2.CAP_PROP_FPS)
# fps = min(24.0, video.get(cv2.CAP_PROP_FPS))
# Release the video stream
video.release()
return width, height, fps
return width, height # , fps