# Tencent is pleased to support the open source community by making GNES available.
#
# Copyright (C) 2019 THL A29 Limited, a Tencent company. 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.
from typing import List
[docs]def encode_video(images: List['np.ndarray'], frame_rate: int, pix_fmt: str = 'rgb24'):
import webp
from PIL import Image
height, width, _ = images[0].shape
if pix_fmt == 'rgb24':
pix_fmt = 'RGB'
# Save an animation
enc = webp.WebPAnimEncoder.new(width, height)
timestamp_ms = 0
duration = 1000 // frame_rate
for x in images:
img = Image.fromarray(x.copy(), pix_fmt)
pic = webp.WebPPicture.from_pil(img)
enc.encode_frame(pic, timestamp_ms)
timestamp_ms += duration
anim_data = enc.assemble(timestamp_ms)
return bytes(anim_data.buffer())