Exibir várias cameras na mesma janela usando opencv

Opencv_multicam_one_window.py

import cv2

import numpy as np

# Camera indices

camera_indices = [0, 1]

# Create capture objects

cameras = [cv2.VideoCapture(index) for index in camera_indices]

while True:

    frames = []

    all_frames_valid = True

    for camera in cameras:

        ret, frame = camera.read()

        if not ret:

            all_frames_valid = False

            break

        frames.append(frame)

    if not all_frames_valid:

        print("Error reading from cameras. Exiting...")

        break

    # Resize frames to the same size (optional)

    resized_frames = []

    for frame in frames:

        resized_frames.append(cv2.resize(frame, (320, 240)))

    # Combine frames horizontally

    combined_frame = np.concatenate(resized_frames, axis=1)

    # Display the combined frame

    cv2.imshow("Combined Cameras", combined_frame)

    if cv2.waitKey(1) & 0xFF == ord("q"):

        break

# Release resources

for camera in cameras:

    camera.release()

cv2.destroyAllWindows()