Add USDA Vision Camera Streaming API and related functionality
- Implemented streaming API endpoints for starting, stopping, and retrieving live streams from cameras. - Added support for concurrent streaming and recording operations. - Created test scripts for frame conversion and streaming functionality. - Developed a CameraStreamer class to manage live preview streaming without blocking recording. - Included error handling and logging for camera operations. - Added configuration endpoints for camera settings and real-time updates. - Enhanced testing scenarios for various camera configurations and error handling.
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@@ -328,6 +328,117 @@ class CameraRecorder:
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self.logger.error(f"Error updating camera settings: {e}")
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return False
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def update_advanced_camera_settings(self, **kwargs) -> bool:
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"""Update advanced camera settings dynamically"""
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if not self.hCamera:
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self.logger.error("Camera not initialized")
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return False
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try:
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settings_updated = False
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# Update basic settings
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if "exposure_ms" in kwargs and kwargs["exposure_ms"] is not None:
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mvsdk.CameraSetAeState(self.hCamera, 0)
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exposure_us = int(kwargs["exposure_ms"] * 1000)
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mvsdk.CameraSetExposureTime(self.hCamera, exposure_us)
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self.camera_config.exposure_ms = kwargs["exposure_ms"]
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settings_updated = True
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if "gain" in kwargs and kwargs["gain"] is not None:
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gain_value = int(kwargs["gain"] * 100)
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mvsdk.CameraSetAnalogGain(self.hCamera, gain_value)
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self.camera_config.gain = kwargs["gain"]
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settings_updated = True
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if "target_fps" in kwargs and kwargs["target_fps"] is not None:
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self.camera_config.target_fps = kwargs["target_fps"]
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settings_updated = True
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# Update image quality settings
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if "sharpness" in kwargs and kwargs["sharpness"] is not None:
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mvsdk.CameraSetSharpness(self.hCamera, kwargs["sharpness"])
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self.camera_config.sharpness = kwargs["sharpness"]
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settings_updated = True
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if "contrast" in kwargs and kwargs["contrast"] is not None:
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mvsdk.CameraSetContrast(self.hCamera, kwargs["contrast"])
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self.camera_config.contrast = kwargs["contrast"]
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settings_updated = True
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if "gamma" in kwargs and kwargs["gamma"] is not None:
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mvsdk.CameraSetGamma(self.hCamera, kwargs["gamma"])
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self.camera_config.gamma = kwargs["gamma"]
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settings_updated = True
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if "saturation" in kwargs and kwargs["saturation"] is not None and not self.monoCamera:
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mvsdk.CameraSetSaturation(self.hCamera, kwargs["saturation"])
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self.camera_config.saturation = kwargs["saturation"]
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settings_updated = True
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# Update noise reduction settings
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if "noise_filter_enabled" in kwargs and kwargs["noise_filter_enabled"] is not None:
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# Note: Noise filter settings may require camera restart to take effect
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self.camera_config.noise_filter_enabled = kwargs["noise_filter_enabled"]
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settings_updated = True
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if "denoise_3d_enabled" in kwargs and kwargs["denoise_3d_enabled"] is not None:
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# Note: 3D denoise settings may require camera restart to take effect
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self.camera_config.denoise_3d_enabled = kwargs["denoise_3d_enabled"]
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settings_updated = True
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# Update color settings (for color cameras)
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if not self.monoCamera:
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if "auto_white_balance" in kwargs and kwargs["auto_white_balance"] is not None:
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mvsdk.CameraSetWbMode(self.hCamera, kwargs["auto_white_balance"])
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self.camera_config.auto_white_balance = kwargs["auto_white_balance"]
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settings_updated = True
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if "color_temperature_preset" in kwargs and kwargs["color_temperature_preset"] is not None:
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if not self.camera_config.auto_white_balance:
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mvsdk.CameraSetPresetClrTemp(self.hCamera, kwargs["color_temperature_preset"])
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self.camera_config.color_temperature_preset = kwargs["color_temperature_preset"]
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settings_updated = True
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# Update advanced settings
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if "anti_flicker_enabled" in kwargs and kwargs["anti_flicker_enabled"] is not None:
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mvsdk.CameraSetAntiFlick(self.hCamera, kwargs["anti_flicker_enabled"])
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self.camera_config.anti_flicker_enabled = kwargs["anti_flicker_enabled"]
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settings_updated = True
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if "light_frequency" in kwargs and kwargs["light_frequency"] is not None:
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mvsdk.CameraSetLightFrequency(self.hCamera, kwargs["light_frequency"])
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self.camera_config.light_frequency = kwargs["light_frequency"]
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settings_updated = True
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# Update HDR settings (if supported)
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if "hdr_enabled" in kwargs and kwargs["hdr_enabled"] is not None:
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try:
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mvsdk.CameraSetHDR(self.hCamera, 1 if kwargs["hdr_enabled"] else 0)
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self.camera_config.hdr_enabled = kwargs["hdr_enabled"]
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settings_updated = True
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except AttributeError:
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self.logger.warning("HDR functions not available in this SDK version")
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if "hdr_gain_mode" in kwargs and kwargs["hdr_gain_mode"] is not None:
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try:
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if self.camera_config.hdr_enabled:
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mvsdk.CameraSetHDRGainMode(self.hCamera, kwargs["hdr_gain_mode"])
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self.camera_config.hdr_gain_mode = kwargs["hdr_gain_mode"]
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settings_updated = True
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except AttributeError:
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self.logger.warning("HDR gain mode functions not available in this SDK version")
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if settings_updated:
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updated_settings = [k for k, v in kwargs.items() if v is not None]
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self.logger.info(f"Updated camera settings: {updated_settings}")
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return settings_updated
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except Exception as e:
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self.logger.error(f"Error updating advanced camera settings: {e}")
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return False
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def start_recording(self, filename: str) -> bool:
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"""Start video recording"""
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with self._lock:
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