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- # Copyright (c) 2024 PaddlePaddle Authors. 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 ...utils.benchmark import benchmark
- from ...utils.io import VideoReader
- @benchmark.timeit_with_options(name=None, is_read_operation=True)
- class ReadVideo:
- """Load video from the file."""
- def __init__(self, backend="opencv", num_seg=8, seg_len=1, sample_type=None):
- super().__init__()
- self._video_reader = VideoReader(
- backend=backend, num_seg=num_seg, seg_len=seg_len, sample_type=sample_type
- )
- def __call__(self, videos):
- """apply"""
- return [self._read(video) for video in videos]
- def _read(self, file_path):
- return self._read_video(file_path)
- def _read_video(self, video_path):
- blob = list(self._video_reader.read(video_path))
- if blob is None:
- raise Exception("Video read Error")
- return blob
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