"""
# Copyright (c) 2025 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 abc import ABC, abstractmethod


class MMBaseDataProcessor(ABC):

    def __init__(
        self,
        **kwargs,
    ) -> None:
        """
        Initialize the mm data processor.
        """

    @staticmethod
    @abstractmethod
    def mm_num_tokens(grid_thw: list) -> int:
        """
        Calculate the number of tokens in the multimodal input.
        """
        raise NotImplementedError

    def get_max_image_tokens(self, *args, **kwargs) -> int:
        """
        Get the maximum number of image tokens.
        """
        return 0

    def get_max_video_tokens(self, *args, **kwargs) -> int:
        """
        Get the maximum number of video tokens.
        """
        return 0

    def get_max_audio_tokens(self, *args, **kwargs) -> int:
        """
        Get the maximum number of audio tokens.
        """
        return 0
