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#           This file was automatically generated from src/transformers/models/lasr/modular_lasr.py.
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# Copyright 2025 The HuggingFace Inc. team and Google LLC. 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 ...audio_utils import AudioInput, make_list_of_audio
from ...processing_utils import ProcessingKwargs, ProcessorMixin, Unpack
from ...tokenization_utils_base import PreTokenizedInput, TextInput
from ...utils import auto_docstring, logging


logger = logging.get_logger(__name__)


class LasrProcessorKwargs(ProcessingKwargs, total=False):
    _defaults = {
        "audio_kwargs": {
            "sampling_rate": 16000,
            "padding": "longest",
            "return_attention_mask": True,
        },
        "text_kwargs": {
            "padding": True,
            "padding_side": "right",
            "add_special_tokens": False,
        },
        "common_kwargs": {"return_tensors": "pt"},
    }


@auto_docstring
class LasrProcessor(ProcessorMixin):
    def __init__(self, feature_extractor, tokenizer):
        super().__init__(feature_extractor, tokenizer)

    @auto_docstring
    def __call__(
        self,
        audio: AudioInput,
        text: TextInput | PreTokenizedInput | list[TextInput] | list[PreTokenizedInput] | None = None,
        sampling_rate: int | None = None,
        **kwargs: Unpack[LasrProcessorKwargs],
    ):
        r"""
        sampling_rate (`int`, *optional*):
            The sampling rate of the input audio in Hz. This should match the sampling rate expected by the feature
            extractor (defaults to 16000 Hz). If provided, it will be validated against the processor's expected
            sampling rate, and an error will be raised if they don't match. If not provided, a warning will be
            issued and the default sampling rate will be assumed.
        """
        audio = make_list_of_audio(audio)

        output_kwargs = self._merge_kwargs(
            LasrProcessorKwargs,
            tokenizer_init_kwargs=self.tokenizer.init_kwargs,
            **kwargs,
        )

        if sampling_rate is None:
            logger.warning_once(
                f"You've provided audio without specifying the sampling rate. It will be assumed to be {output_kwargs['audio_kwargs']['sampling_rate']}, which can result in silent errors."
            )
        elif sampling_rate != output_kwargs["audio_kwargs"]["sampling_rate"]:
            raise ValueError(
                f"The sampling rate of the audio ({sampling_rate}) does not match the sampling rate of the processor ({output_kwargs['audio_kwargs']['sampling_rate']}). Please provide resampled the audio to the expected sampling rate."
            )

        if audio is not None:
            inputs = self.feature_extractor(audio, **output_kwargs["audio_kwargs"])
        if text is not None:
            encodings = self.tokenizer(text, **output_kwargs["text_kwargs"])

        if text is None:
            return inputs
        else:
            inputs["labels"] = encodings["input_ids"]
            return inputs

    @property
    def model_input_names(self):
        feature_extractor_input_names = self.feature_extractor.model_input_names
        return feature_extractor_input_names + ["labels"]


__all__ = ["LasrProcessor"]