Source code for matx.vision.tv_transforms.stack

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from typing import Any, Tuple, List
import sys
matx = sys.modules['matx']
from .. import ASYNC, StackOp

from ._base import BaseInterfaceClass


class StackOpCpu:
    def __init__(self, device: Any):
        self.device: Any = device

    def __call__(self, imgs: List[matx.NDArray], sync: int = 0) -> matx.NDArray:
        return matx.array.stack(imgs)


[docs]class Stack(BaseInterfaceClass):
[docs] def __init__(self, device_id: int = -2, sync: int = ASYNC): super().__init__(device_id=device_id, sync=sync)
[docs] def __call__(self, device: Any, device_str: str, sync: int) -> Any: return StackImpl(device, device_str, sync)
class StackImpl: def __init__(self, device: Any, device_str: str, sync: int = ASYNC) -> None: super().__init__() if device_str == "cpu": self.op: Any = StackOpCpu(device) else: self.op: Any = StackOp(device) self.device_str: str = device_str self.sync: int = sync self.name: str = "Stack" def __call__(self, imgs: List[matx.NDArray], apply_index: List[int] = []) -> matx.NDArray: assert len(apply_index) == 0, "apply_index is not supported by stack." return self.op(imgs, sync=self.sync) def __repr__(self) -> str: return self.name + "(device={}, sync={})".format(self.device_str, self.sync)