33 lines
794 B
Python
33 lines
794 B
Python
# SPDX-License-Identifier: Apache-2.0
|
|
|
|
import numpy as np
|
|
from PIL import Image
|
|
|
|
|
|
def random_image(rng: np.random.RandomState, min_wh: int, max_wh: int):
|
|
w, h = rng.randint(min_wh, max_wh, size=(2, ))
|
|
arr = rng.randint(0, 255, size=(w, h, 3), dtype=np.uint8)
|
|
return Image.fromarray(arr)
|
|
|
|
|
|
def random_video(
|
|
rng: np.random.RandomState,
|
|
min_frames: int,
|
|
max_frames: int,
|
|
min_wh: int,
|
|
max_wh: int,
|
|
):
|
|
num_frames = rng.randint(min_frames, max_frames)
|
|
w, h = rng.randint(min_wh, max_wh, size=(2, ))
|
|
return rng.randint(0, 255, size=(num_frames, w, h, 3), dtype=np.uint8)
|
|
|
|
|
|
def random_audio(
|
|
rng: np.random.RandomState,
|
|
min_len: int,
|
|
max_len: int,
|
|
sr: int,
|
|
):
|
|
audio_len = rng.randint(min_len, max_len)
|
|
return rng.rand(audio_len), sr
|