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generated by cgit v1.2.1 (git 2.18.0) at 2025-06-11 23:14:57 +0000
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#!/usr/bin/env python3

# SPDX-License-Identifier: BSD-3-Clause
# Copyright (C) 2022, Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>

# A simple capture example extending the simple-capture.py example:
# - Capture frames using events from multiple cameras
# - Listening events from stdin to exit the application
# - Memory mapping the frames and calculating CRC

import binascii
import libcamera as libcam
import libcamera.utils
import selectors
import sys


# A container class for our state per camera
class CameraCaptureContext:
    idx: int
    cam: libcam.Camera
    reqs: list[libcam.Request]
    mfbs: dict[libcam.FrameBuffer, libcamera.utils.MappedFrameBuffer]

    def __init__(self, cam, idx):
        self.idx = idx
        self.cam = cam

        # Acquire the camera for our use

        cam.acquire()

        # Configure the camera