80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
from PySide6.QtCore import QObject, QThread, Signal, QTimer
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from PySide6.QtGui import QImage, QPixmap
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import cv2
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import numpy as np
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from .base import BaseControlSource, BaseImageSource
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# try:
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# import gphoto2 as gp
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# except:
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from . import mock_gphoto as gp
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class GPhotoImageSource(BaseImageSource):
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def __init__(self, camera: gp.Camera, fps=10, parent=None):
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super().__init__(parent)
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self.camera = camera
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self.fps = fps
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self.timer = None
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def start(self):
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self.timer = QTimer()
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self.timer.timeout.connect(self._grab_frame)
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self.timer.start(int(1000 / self.fps))
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def _grab_frame(self):
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try:
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file = self.camera.capture_preview()
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data = file.get_data_and_size()
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frame = np.frombuffer(data, dtype=np.uint8)
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frame = cv2.imdecode(frame, cv2.IMREAD_COLOR)
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if frame is None:
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return
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rgb_image = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
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h, w, ch = rgb_image.shape
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qimg = QImage(rgb_image.data, w, h, ch * w, QImage.Format.Format_RGB888)
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pixmap = QPixmap.fromImage(qimg)
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self.frameReady.emit(pixmap)
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except gp.GPhoto2Error as e:
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self.errorOccurred.emit(f"GPhoto2 error: {e}")
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def stop(self):
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if self.timer:
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self.timer.stop()
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class GPhotoControlSource(BaseControlSource):
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def __init__(self, camera: gp.Camera, parent=None):
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super().__init__(parent)
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self.camera = camera
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def set_parameter(self, name, value):
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try:
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config = self.camera.get_config()
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child = config.get_child_by_name(name)
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child.set_value(value)
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self.camera.set_config(config)
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self.parameterChanged.emit(name, value)
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except gp.GPhoto2Error as e:
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self.errorOccurred.emit(str(e))
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def get_parameter(self, name):
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try:
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config = self.camera.get_config()
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child = config.get_child_by_name(name)
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return child.get_value()
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except gp.GPhoto2Error as e:
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self.errorOccurred.emit(str(e))
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return None
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def list_parameters(self):
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params = {}
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try:
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config = self.camera.get_config()
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for child in config.get_children():
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params[child.get_name()] = child.get_value()
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except gp.GPhoto2Error as e:
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self.errorOccurred.emit(str(e))
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return params |