data/video/sampler/utils.py

# Copyright (c) 2025 ByteDance Ltd. and/or its affiliates.
#
# 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.
# coding: utf-8

from .frames import (
    AdaptiveAdvancedFrameSampler,
    AdaptiveFrameSampler,
    AllFrameSampler,
    ConsecutiveFrameSampler,
    MultiClipsFrameSampler,
    FixedFrameSampler,
    OnlyFirstFrameSampler,
)

FRAME_SAMPLER_TYPES = {
    "only_first_frame": OnlyFirstFrameSampler,
    "fixed": FixedFrameSampler,
    "all": AllFrameSampler,
    "adaptive": AdaptiveFrameSampler,
    "adaptive_advanced": AdaptiveAdvancedFrameSampler,
    "range": ConsecutiveFrameSampler,
    "multi_clips": MultiClipsFrameSampler,
}