import logging
import platform
import subprocess
+import warnings
from typing import NamedTuple, Optional
import cv2 # type: ignore
import requests
import decorator_utils
+import exceptions
logger = logging.getLogger(__name__)
class RawJpgHsv(NamedTuple):
"""Raw image bytes, the jpeg image and the HSV (hue saturation value) image."""
+
raw: Optional[bytes]
jpg: Optional[np.ndarray]
hsv: Optional[np.ndarray]
-class BlueIrisImageMetadata(NamedTuple):
+class SanityCheckImageMetadata(NamedTuple):
"""Is a Blue Iris image bad (big grey borders around it) or infrared?"""
+
is_bad_image: bool
is_infrared_image: bool
-def analyze_blue_iris_image(hsv: np.ndarray) -> BlueIrisImageMetadata:
- """See if a Blue Iris image is bad and infrared."""
+def sanity_check_image(hsv: np.ndarray) -> SanityCheckImageMetadata:
+ """See if a Blue Iris or Shinobi image is bad and infrared."""
+
+ def is_near(a, b) -> bool:
+ return abs(a - b) < 3
+
rows, cols, _ = hsv.shape
num_pixels = rows * cols
+ weird_orange_count = 0
hs_zero_count = 0
- gray_count = 0
for r in range(rows):
for c in range(cols):
pixel = hsv[(r, c)]
- if pixel[0] == 0 and pixel[1] == 0:
+ if (
+ is_near(pixel[0], 16)
+ and is_near(pixel[1], 117)
+ and is_near(pixel[2], 196)
+ ):
+ weird_orange_count += 1
+ elif is_near(pixel[0], 0) and is_near(pixel[1], 0):
hs_zero_count += 1
- if abs(pixel[2] - 64) <= 10:
- gray_count += 1
- logger.debug(f"gray#={gray_count}, hs0#={hs_zero_count}")
- return BlueIrisImageMetadata(
- gray_count > (num_pixels * 0.33), hs_zero_count > (num_pixels * 0.75)
+ logger.debug(f"hszero#={hs_zero_count}, weird_orange={weird_orange_count}")
+ return SanityCheckImageMetadata(
+ hs_zero_count > (num_pixels * 0.75),
+ weird_orange_count > (num_pixels * 0.75),
)
"""Fetch the raw webcam image from the video server."""
camera_name = camera_name.replace(".house", "")
camera_name = camera_name.replace(".cabin", "")
- url = f"http://10.0.0.56:81/image/{camera_name}?w={width}&q={quality}"
+ url = f"http://10.0.0.226:8080/Umtxxf1uKMBniFblqeQ9KRbb6DDzN4/jpeg/GKlT2FfiSQ/{camera_name}/s.jpg"
+ logger.debug(f'Fetching image from {url}')
try:
response = requests.get(url, stream=False, timeout=10.0)
if response.ok:
raw = response.content
+ logger.debug(f'Read {len(response.content)} byte image from HTTP server')
tmp = np.frombuffer(raw, dtype="uint8")
+ logger.debug(
+ f'Translated raw content into {tmp.shape} {type(tmp)} with element type {type(tmp[0])}.'
+ )
jpg = cv2.imdecode(tmp, cv2.IMREAD_COLOR)
+ logger.debug(
+ f'Decoded into {jpg.shape} jpeg {type(jpg)} with element type {type(jpg[0][0])}'
+ )
hsv = cv2.cvtColor(jpg, cv2.COLOR_BGR2HSV)
- (is_bad_image, _) = analyze_blue_iris_image(hsv)
+ logger.debug(
+ f'Converted JPG into HSV {hsv.shape} HSV {type(hsv)} with element type {type(hsv[0][0])}'
+ )
+ (_, is_bad_image) = sanity_check_image(hsv)
if not is_bad_image:
- logger.debug(f"Got a good image from {url}")
return raw
except Exception as e:
logger.exception(e)
- logger.warning(f"Got a bad image or HTTP error from {url}")
+ msg = f"Got a bad image or HTTP error from {url}; returning None."
+ logger.warning(msg)
+ warnings.warn(msg, stacklevel=2)
return None
-def blue_iris_camera_name_to_hostname(camera_name: str) -> str:
+def camera_name_to_hostname(camera_name: str) -> str:
+ """Map a camera name to a hostname
+
+ >>> camera_name_to_hostname('driveway')
+ 'driveway.house'
+
+ >>> camera_name_to_hostname('cabin_driveway')
+ 'driveway.cabin'
+
+ """
mapping = {
"driveway": "driveway.house",
"backyard": "backyard.house",
camera_name: str, *, width: int = 256
) -> Optional[bytes]:
"""Fetch the raw webcam image straight from the webcam's RTSP stream."""
- hostname = blue_iris_camera_name_to_hostname(camera_name)
+ hostname = camera_name_to_hostname(camera_name)
+ stream = f"rtsp://camera:IaLaIok@{hostname}:554/live"
+ logger.debug(f'Fetching image from RTSP stream {stream}')
try:
cmd = [
"/usr/bin/timeout",
"/usr/local/bin/ffmpeg",
"-y",
"-i",
- f"rtsp://camera:IaLaIok@{hostname}:554/live",
+ f"{stream}",
"-f",
"singlejpeg",
"-vframes",
return out
except Exception as e:
logger.exception(e)
- logger.warning("Failed to retrieve image from RTSP stream")
+ msg = f"Failed to retrieve image via RTSP {stream}, returning None."
+ logger.warning(msg)
+ warnings.warn(msg, stacklevel=2)
return None
camera_name, width=width, quality=quality
)
if raw is None:
- logger.debug(
- "Reading from video server failed; trying direct RTSP stream"
- )
+ logger.debug("Reading from video server failed; trying direct RTSP stream")
raw = fetch_camera_image_from_rtsp_stream(camera_name, width=width)
if raw is not None and len(raw) > 0:
tmp = np.frombuffer(raw, dtype="uint8")
jpg=jpg,
hsv=hsv,
)
- logger.warning(
- "Failed to retieve image from both video server and direct RTSP stream"
- )
+ msg = "Failed to retieve image from both video server and direct RTSP stream"
+ logger.warning(msg)
+ warnings.warn(msg, stacklevel=2)
return RawJpgHsv(None, None, None)
) -> RawJpgHsv:
try:
return _fetch_camera_image(camera_name, width=width, quality=quality)
- except decorator_utils.TimeoutError:
+ except exceptions.TimeoutError:
+ logger.warning('Fetching camera image operation timed out.')
return RawJpgHsv(None, None, None)
+
+
+if __name__ == '__main__':
+ import doctest
+
+ doctest.testmod()
projects / python_utils.git / blobdiff