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lerobot/lerobot/common/cameras/camera.py

51 lines
1.4 KiB
Python

#!/usr/bin/env python
# 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
import numpy as np
from .configs import CameraConfig, ColorMode
# NOTE(Steven): Consider something like configure() if makes sense for both cameras
class Camera(abc.ABC):
def __init__(self, config: CameraConfig):
self.fps: int | None = config.fps
self.width: int | None = config.width
self.height: int | None = config.height
@property
@abc.abstractmethod
def is_connected(self) -> bool:
pass
@abc.abstractmethod
def connect(self, do_warmup_read: bool = True) -> None:
pass
@abc.abstractmethod
def read(self, color_mode: ColorMode | None = None) -> np.ndarray:
pass
@abc.abstractmethod
def async_read(self, timeout_ms: float = 2000) -> np.ndarray:
pass
@abc.abstractmethod
def disconnect(self) -> None:
pass