bartool
cdeac53555
- Implemented CameraSettingsDialog to manage UVC and Qt camera controls. - Integrated UVC parameter sliders and auto controls for brightness, contrast, saturation, hue, sharpness, gamma, white balance, backlight compensation, and exposure. - Added functionality to change white balance and exposure settings via Qt controls. - Updated MainWindow to open CameraSettingsDialog and manage UVC controller lifecycle. - Enhanced AppMenuBar to include a Camera Settings option. - Created tests for UVC controller abstraction layer and parameter info. - Documented camera specifications and supported features in new markdown files.
44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
"""Null (no-op) UVC controller — used when no native library is available."""
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from __future__ import annotations
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import logging
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from app.camera.uvc.base import UvcControllerBase, UvcParam, UvcParamInfo
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logger = logging.getLogger(__name__)
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class NullUvcController(UvcControllerBase):
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"""
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Fallback controller that reports all controls as unsupported.
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Used on platforms where no UVC library is installed or when device
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enumeration fails.
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"""
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def open(self, device_name: str) -> bool: # noqa: ARG002
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return False
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def close(self) -> None:
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pass
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def is_open(self) -> bool:
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return False
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def get_param_info(self, param: UvcParam) -> UvcParamInfo:
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return UvcParamInfo(param=param, supported=False)
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def get_all_params(self) -> list[UvcParamInfo]:
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return [UvcParamInfo(param=p, supported=False) for p in UvcParam]
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def set_value(self, param: UvcParam, value: int) -> bool: # noqa: ARG002
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logger.debug("NullUvcController: set_value ignored (%s=%d)", param.name, value)
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return False
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def set_auto(self, param: UvcParam, enabled: bool) -> bool: # noqa: ARG002
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logger.debug(
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"NullUvcController: set_auto ignored (%s, auto=%s)", param.name, enabled
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)
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return False
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