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# Copyright 2024 The HuggingFace Inc. team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import abc
from dataclasses import dataclass
import draccus
@dataclass
class CameraConfig(draccus.ChoiceRegistry, abc.ABC):
@property
def type(self) -> str:
return self.get_choice_name(self.__class__)
@CameraConfig.register_subclass("opencv")
@dataclass
class OpenCVCameraConfig(CameraConfig):
"""
Example of tested options for Intel Real Sense D405:
```python
OpenCVCameraConfig(0, 30, 640, 480)
OpenCVCameraConfig(0, 60, 640, 480)
OpenCVCameraConfig(0, 90, 640, 480)
OpenCVCameraConfig(0, 30, 1280, 720)
```
"""
camera_index: int
fps: int | None = None
width: int | None = None
height: int | None = None
color_mode: str = "rgb"
channels: int | None = None
rotation: int | None = None
mock: bool = False
def __post_init__(self):
if self.color_mode not in ["rgb", "bgr"]:
raise ValueError(
f"`color_mode` is expected to be 'rgb' or 'bgr', but {self.color_mode} is provided."
)
self.channels = 3
if self.rotation not in [-90, None, 90, 180]:
raise ValueError(f"`rotation` must be in [-90, None, 90, 180] (got {self.rotation})")
@CameraConfig.register_subclass("intelrealsense")
@dataclass
class IntelRealSenseCameraConfig(CameraConfig):
"""
Example of tested options for Intel Real Sense D405:
```python
IntelRealSenseCameraConfig(128422271347, 30, 640, 480)
IntelRealSenseCameraConfig(128422271347, 60, 640, 480)
IntelRealSenseCameraConfig(128422271347, 90, 640, 480)
IntelRealSenseCameraConfig(128422271347, 30, 1280, 720)
IntelRealSenseCameraConfig(128422271347, 30, 640, 480, use_depth=True)
IntelRealSenseCameraConfig(128422271347, 30, 640, 480, rotation=90)
```
"""
name: str | None = None
serial_number: int | None = None
fps: int | None = None
width: int | None = None
height: int | None = None
color_mode: str = "rgb"
channels: int | None = None
use_depth: bool = False
force_hardware_reset: bool = True
rotation: int | None = None
mock: bool = False
def __post_init__(self):
# bool is stronger than is None, since it works with empty strings
if bool(self.name) and bool(self.serial_number):
raise ValueError(
f"One of them must be set: name or serial_number, but {self.name=} and {self.serial_number=} provided."
)
if self.color_mode not in ["rgb", "bgr"]:
raise ValueError(
f"`color_mode` is expected to be 'rgb' or 'bgr', but {self.color_mode} is provided."
)
self.channels = 3
at_least_one_is_not_none = self.fps is not None or self.width is not None or self.height is not None
at_least_one_is_none = self.fps is None or self.width is None or self.height is None
if at_least_one_is_not_none and at_least_one_is_none:
raise ValueError(
"For `fps`, `width` and `height`, either all of them need to be set, or none of them, "
f"but {self.fps=}, {self.width=}, {self.height=} were provided."
)
if self.rotation not in [-90, None, 90, 180]:
raise ValueError(f"`rotation` must be in [-90, None, 90, 180] (got {self.rotation})")
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