44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
import cv2
|
|
import numpy as np
|
|
import subprocess
|
|
|
|
# Define the FFmpeg command to read from the camera
|
|
ffmpeg_command = [
|
|
'ffmpeg',
|
|
'-f', 'v4l2', # Input format
|
|
'-i', '/dev/video0', # Camera device
|
|
'-f', 'rawvideo', # Output format
|
|
'-pix_fmt', 'bgr24', # Pixel format
|
|
'-an', # Disable audio
|
|
'-sn', # Disable subtitles
|
|
'-'
|
|
]
|
|
|
|
# Start the FFmpeg process
|
|
process = subprocess.Popen(ffmpeg_command, stdout=subprocess.PIPE, bufsize=10**8)
|
|
|
|
# Set the width and height for the camera resolution
|
|
width = 1920
|
|
height = 1080
|
|
|
|
while True:
|
|
# Read a frame from the FFmpeg output
|
|
raw_frame = process.stdout.read(width * height * 3) # 3 bytes per pixel for BGR
|
|
if not raw_frame:
|
|
break # Exit the loop if no more frames
|
|
|
|
# Convert the byte data to a numpy array and reshape it to an image
|
|
frame = np.frombuffer(raw_frame, np.uint8).reshape((height, width, 3))
|
|
|
|
# Display the frame using OpenCV
|
|
cv2.imshow('Camera Stream', frame)
|
|
|
|
# Break the loop on 'q' key press
|
|
if cv2.waitKey(1) & 0xFF == ord('q'):
|
|
break
|
|
|
|
# Clean up
|
|
process.stdout.close()
|
|
process.wait()
|
|
cv2.destroyAllWindows()
|