Big organizing cameras. seperated

This commit is contained in:
BOTAlex 2025-03-07 23:06:45 +01:00
parent 28e2204ce1
commit 5b52184480
8 changed files with 337 additions and 47 deletions

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@ -0,0 +1,31 @@
import cv2
import numpy as np
import queue
import serial
import serial.tools.list_ports
import threading
import time
from colorama import Fore
from config import EyeTrackCameraConfig
from enum import Enum
import psutil, os
import sys
from Camera.CameraState import CameraState
from Camera.SerialCamera import SerialCamera
from Camera.SystemCamera import SystemCamera
from Camera.ICameraSource import ICameraSource
from Camera.UDP_Camera.UDP_Camera import UDP_Camera
# Sorry for the (non-OOP) Python devs. Factory time!
class CameraFactory:
@staticmethod
def get_camera_from_string_type(sourceName: str) -> ICameraSource:
sourceName = str(sourceName) # prevents int to be entered
if sourceName.lower().startswith("COM") or sourceName.lower().startswith("/dev/cu") or sourceName.lower().startswith("/dev/tty"): # Windows # macOS # Linux
return SerialCamera
elif sourceName.lower() == "udp":
print(f"{Fore.YELLOW}[WARN] UDP selected. Prepare for bugs from BOTAlex. Unfinished and extreme alpha. {Fore.RESET}")
return UDP_Camera
else:
return SystemCamera

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@ -50,6 +50,17 @@ class ICameraSource:
self.extraInit() self.extraInit()
process = psutil.Process(os.getpid()) # set process priority to low
try:
sys.getwindowsversion()
except AttributeError:
process.nice(10) # UNIX: 0 low 10 high
process.nice()
else:
process.nice(psutil.HIGH_PRIORITY_CLASS) # Windows
process.nice()
# See https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-getpriorityclass#return-value for values
self.error_message = f"{Fore.YELLOW}[WARN] Capture source {{}} not found, retrying...{Fore.RESET}" self.error_message = f"{Fore.YELLOW}[WARN] Capture source {{}} not found, retrying...{Fore.RESET}"
@ -76,4 +87,4 @@ class ICameraSource:
pass pass
def set_output_queue(self, camera_output_outgoing: "queue.Queue"): def set_output_queue(self, camera_output_outgoing: "queue.Queue"):
self.camera_output_outgoing = camera_output_outgoing self.camera_output_outgoing = camera_output_outgoing

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@ -0,0 +1,166 @@
import struct
import cv2
import numpy as np
import queue
import serial
import serial.tools.list_ports
import threading
import time
from colorama import Fore
from config import EyeTrackCameraConfig
from enum import Enum
import psutil, os
import sys
from Camera.CameraState import CameraState
from Camera.ICameraSource import ICameraSource
import socket
# Serial communication protocol:
# header-begin (2 bytes)
# header-type (2 bytes)
# packet-size (2 bytes)
# packet (packet-size bytes)
ETVR_HEADER = b"\xff\xa0"
ETVR_HEADER_FRAME = b"\xff\xa1"
ETVR_HEADER_LEN = 6
class SerialCamera(ICameraSource):
def run(self):
while True:
if self.cancellation_event.is_set():
print(f"{Fore.CYAN}[INFO] Exiting Capture thread{Fore.RESET}")
# openCV won't switch to a new source if provided with one
# so, we have to manually release the camera on exit
return
should_push = True
# If things aren't open, retry until they are. Don't let read requests come in any earlier
# than this, otherwise we can deadlock ourselves.
if self.config.capture_source != None and self.config.capture_source != "":
self.current_capture_source = self.config.capture_source
addr = str(self.current_capture_source)
if (
self.serial_connection is None
or self.camera_status == CameraState.DISCONNECTED
or self.config.capture_source != self.current_capture_source
):
port = self.config.capture_source
self.current_capture_source = port
self.start_serial_connection(port)
else:
# We don't have a capture source to try yet, wait for one to show up in the GUI.
if self.cancellation_event.wait(WAIT_TIME):
self.camera_status = CameraState.DISCONNECTED
return
# Assuming we can access our capture source, wait for another thread to request a capture.
# Cycle every so often to see if our cancellation token has fired. This basically uses a
# python event as a context-less, resettable one-shot channel.
if should_push and not self.capture_event.wait(timeout=0.001):
continue
if self.config.capture_source != None:
addr = str(self.current_capture_source)
self.get_serial_camera_picture(should_push)
if not should_push:
# if we get all the way down here, consider ourselves connected
self.camera_status = CameraState.CONNECTED
def get_next_packet_bounds(self):
beg = -1
while beg == -1:
self.buffer += self.serial_connection.read(2048)
beg = self.buffer.find(ETVR_HEADER + ETVR_HEADER_FRAME)
# Discard any data before the frame header.
if beg > 0:
self.buffer = self.buffer[beg:]
beg = 0
# We know exactly how long the jpeg packet is
end = int.from_bytes(self.buffer[4:6], signed=False, byteorder="little")
self.buffer += self.serial_connection.read(end - len(self.buffer))
return beg, end
def get_next_jpeg_frame(self):
beg, end = self.get_next_packet_bounds()
jpeg = self.buffer[beg + ETVR_HEADER_LEN : end + ETVR_HEADER_LEN]
self.buffer = self.buffer[end + ETVR_HEADER_LEN :]
return jpeg
def get_serial_camera_picture(self, should_push):
conn = self.serial_connection
if conn is None:
return
try:
if conn.in_waiting:
jpeg = self.get_next_jpeg_frame()
if jpeg:
# Create jpeg frame from byte string
image = cv2.imdecode(np.fromstring(jpeg, dtype=np.uint8), cv2.IMREAD_UNCHANGED)
if image is None:
print(f"{Fore.YELLOW}[WARN] Frame drop. Corrupted JPEG.{Fore.RESET}")
return
# Discard the serial buffer. This is due to the fact that it
# may build up some outdated frames. A bit of a workaround here tbh.
if conn.in_waiting >= 32768:
print(f"{Fore.CYAN}[INFO] Discarding the serial buffer ({conn.in_waiting} bytes){Fore.RESET}")
conn.reset_input_buffer()
self.buffer = b""
# Calculate the fps.
current_frame_time = time.time()
delta_time = current_frame_time - self.last_frame_time
self.last_frame_time = current_frame_time
# Avoid division by zero
if delta_time > 0:
fps = 1.0 / delta_time
else:
fps = 0
# Smooth the FPS using a moving average
self.fl.append(fps)
if len(self.fl) > 60:
self.fl.pop(0) # Keep the list length constant
# Compute average FPS
self.fps = sum(self.fl) / len(self.fl)
# Compute bandwidth per second (bps)
self.bps = image.nbytes * self.fps
# Increment frame count
self.frame_number += 1
if should_push:
self.push_image_to_queue(image, self.frame_number, self.fps)
except Exception:
print(
f"{Fore.YELLOW}[WARN] Serial capture source problem, assuming camera disconnected, waiting for reconnect.{Fore.RESET}"
)
conn.close()
self.camera_status = CameraState.DISCONNECTED
pass
def start_serial_connection(self, port):
if self.serial_connection is not None and self.serial_connection.is_open:
# Do nothing. The connection is already open on this port.
if self.serial_connection.port == port:
return
# Otherwise, close the connection before trying to reopen.
self.serial_connection.close()
com_ports = [tuple(p) for p in list(serial.tools.list_ports.comports())]
# Do not try connecting if no such port i.e. device was unplugged.
if not any(p for p in com_ports if port in p):
return
try:
rate = 115200 if sys.platform == "darwin" else 3000000 # Higher baud rate not working on macOS
conn = serial.Serial(baudrate=rate, port=port, xonxoff=False, dsrdtr=False, rtscts=False)
# Set explicit buffer size for serial.
if sys.platform == "win32":
buffer_size = 32768
conn.set_buffer_size(rx_size=buffer_size, tx_size=buffer_size)
print(f"{Fore.CYAN}[INFO] ETVR Serial Tracker device connected on {port}{Fore.RESET}")
self.serial_connection = conn
self.camera_status = CameraState.CONNECTED
except Exception:
print(f"{Fore.CYAN}[INFO] Failed to connect on {port}{Fore.RESET}")
self.camera_status = CameraState.DISCONNECTED

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@ -0,0 +1,120 @@
import struct
import cv2
import numpy as np
import queue
import serial
import serial.tools.list_ports
import threading
import time
from colorama import Fore
from config import EyeTrackCameraConfig
from enum import Enum
import psutil, os
import sys
from Camera.CameraState import CameraState
from Camera.ICameraSource import ICameraSource
import socket
WAIT_TIME = 0.1
class SystemCamera(ICameraSource):
def run(self):
OPENCV_PARAMS = [
cv2.CAP_PROP_OPEN_TIMEOUT_MSEC,
5000,
cv2.CAP_PROP_READ_TIMEOUT_MSEC,
5000,
]
while True:
if self.cancellation_event.is_set():
print(f"{Fore.CYAN}[INFO] Exiting Capture thread{Fore.RESET}")
# openCV won't switch to a new source if provided with one
# so, we have to manually release the camera on exit
addr = str(self.current_capture_source)
self.cv2_camera.release()
return
should_push = True
# If things aren't open, retry until they are. Don't let read requests come in any earlier
# than this, otherwise we can deadlock ourselves.
if self.config.capture_source != None and self.config.capture_source != "":
self.current_capture_source = self.config.capture_source
addr = str(self.current_capture_source)
if (
self.cv2_camera is None
or not self.cv2_camera.isOpened()
or self.camera_status == CameraState.DISCONNECTED
or self.config.capture_source != self.current_capture_source
):
print(self.error_message.format(self.config.capture_source))
# This requires a wait, otherwise we can error and possible screw up the camera
# firmware. Fickle things.
if self.cancellation_event.wait(WAIT_TIME):
return
self.current_capture_source = self.config.capture_source
# self.cv2_camera = cv2.VideoCapture(self.current_capture_source)
self.cv2_camera = cv2.VideoCapture()
self.cv2_camera.setExceptionMode(True)
# https://github.com/opencv/opencv/blob/4.8.0/modules/videoio/include/opencv2/videoio.hpp#L803
self.cv2_camera.open(self.current_capture_source)
should_push = False
else:
# We don't have a capture source to try yet, wait for one to show up in the GUI.
if self.cancellation_event.wait(WAIT_TIME):
self.camera_status = CameraState.DISCONNECTED
return
# Assuming we can access our capture source, wait for another thread to request a capture.
# Cycle every so often to see if our cancellation token has fired. This basically uses a
# python event as a context-less, resettable one-shot channel.
if should_push and not self.capture_event.wait(timeout=0.001):
continue
if self.config.capture_source != None:
addr = str(self.current_capture_source)
self.get_cv2_camera_picture(should_push)
if not should_push:
# if we get all the way down here, consider ourselves connected
self.camera_status = CameraState.CONNECTED
def get_cv2_camera_picture(self, should_push):
try:
ret, image = self.cv2_camera.read()
height, width = image.shape[:2] # Calculate the aspect ratio
if int(width) > 680:
aspect_ratio = float(width) / float(
height
) # Determine the new height based on the desired maximum width
new_height = int(680 / aspect_ratio)
image = cv2.resize(image, (680, new_height))
if not ret:
self.cv2_camera.set(cv2.CAP_PROP_POS_FRAMES, 0)
raise RuntimeError("Problem while getting frame")
frame_number = self.cv2_camera.get(cv2.CAP_PROP_POS_FRAMES)
current_frame_time = time.time()
delta_time = current_frame_time - self.last_frame_time
if delta_time > 0:
current_fps = 1 / delta_time
else:
current_fps = 0
self.last_frame_time = current_frame_time
if len(self.fl) < 60:
self.fl.append(current_fps)
else:
self.fl.pop(0)
self.fl.append(current_fps)
self.fps = sum(self.fl) / len(self.fl)
self.bps = image.nbytes * self.fps
if should_push:
self.push_image_to_queue(image, frame_number, self.fps)
except:
print(
f"{Fore.YELLOW}[WARN] Capture source problem, assuming camera disconnected, waiting for reconnect.{Fore.RESET}"
)
self.camera_status = CameraState.DISCONNECTED
pass

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@ -14,7 +14,7 @@ import sys
from Camera.CameraState import CameraState from Camera.CameraState import CameraState
from Camera.ICameraSource import ICameraSource from Camera.ICameraSource import ICameraSource
import socket import socket
from .DataPacket import PacketHeader # Python imports stupid. missed a single "." from .PacketHeader import PacketHeader # Python imports stupid. missed a single "."
WAIT_TIME = 0.1 WAIT_TIME = 0.1
@ -26,27 +26,10 @@ RED = "\033[91m"
GREEN = "\033[92m" GREEN = "\033[92m"
RESET = "\033[0m" RESET = "\033[0m"
# I HATE PYTHON!!!! slow fucking... # I do not like slow slow slow python - BOTAlex
# Never know when value passed by value or ref
# EVERYTHING is lowercase, EXCEPT True and False. ok
# const is UPPERCASE, but still modifiable. ok
# Unreadable sudo code language
# forced upon me by every industry. VR, AI, Websites? bruh
# Rant over
class UDP_Camera(ICameraSource): class UDP_Camera(ICameraSource):
def extraInit(self): def extraInit(self):
process = psutil.Process(os.getpid()) # set process priority to low
try:
sys.getwindowsversion()
except AttributeError:
process.nice(10) # UNIX: 0 low 10 high
process.nice()
else:
process.nice(psutil.HIGH_PRIORITY_CLASS) # Windows
process.nice()
# See https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-getpriorityclass#return-value for values
self.host = "0.0.0.0" self.host = "0.0.0.0"
self.port = 3333 self.port = 3333
self.num_loaded = 0 self.num_loaded = 0

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@ -40,19 +40,6 @@ from Camera.CameraState import CameraState
from Camera.ICameraSource import ICameraSource from Camera.ICameraSource import ICameraSource
process = psutil.Process(os.getpid()) # set process priority to low
try:
sys.getwindowsversion()
except AttributeError:
process.nice(10) # UNIX: 0 low 10 high
process.nice()
else:
process.nice(psutil.HIGH_PRIORITY_CLASS) # Windows
process.nice()
# See https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-getpriorityclass#return-value for values
WAIT_TIME = 0.1 WAIT_TIME = 0.1
# Serial communication protocol: # Serial communication protocol:
# header-begin (2 bytes) # header-begin (2 bytes)

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@ -32,8 +32,8 @@ import math
from eye import EyeId from eye import EyeId
from eye_processor import EyeProcessor, EyeInfoOrigin from eye_processor import EyeProcessor, EyeInfoOrigin
from queue import Queue, Empty from queue import Queue, Empty
from Camera.camera import Camera, CameraState from Camera.camera import CameraState
from Camera.UDP_Camera.UDP_Camera import UDP_Camera from Camera.CameraFactory import CameraFactory
import cv2 import cv2
from osc.OSCMessage import OSCMessageType, OSCMessage from osc.OSCMessage import OSCMessageType, OSCMessage
from utils.misc_utils import PlaySound, SND_FILENAME, SND_ASYNC, resource_path from utils.misc_utils import PlaySound, SND_FILENAME, SND_ASYNC, resource_path
@ -105,18 +105,10 @@ class CameraWidget:
) )
self.camera_status_queue = Queue() self.camera_status_queue = Queue()
if not self.config.capture_source is None and "UDP" in self.config.capture_source: # Not the best code but I don't care. I want to be finished CameraFactory
print("UDP selected. Prepare for bugs from BOTAlex")
self.camera = UDP_Camera( if not self.config.capture_source is None:
self.config, self.camera = CameraFactory.get_camera_from_string_type(self.config.capture_source)(
0,
self.cancellation_event,
self.capture_event,
self.camera_status_queue,
self.capture_queue,
)
else:
self.camera = Camera(
self.config, self.config,
0, 0,
self.cancellation_event, self.cancellation_event,