211 lines
8.1 KiB
Python
211 lines
8.1 KiB
Python
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# Copyright 2023 The HuggingFace Team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.from typing import List, Union
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from typing import List, Union
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from ..utils import is_torch_available
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from .base import Pipeline
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if is_torch_available():
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from ..models.auto.modeling_auto import MODEL_FOR_TEXT_TO_SPECTROGRAM_MAPPING
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from ..models.speecht5.modeling_speecht5 import SpeechT5HifiGan
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DEFAULT_VOCODER_ID = "microsoft/speecht5_hifigan"
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class TextToAudioPipeline(Pipeline):
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"""
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Text-to-audio generation pipeline using any `AutoModelForTextToWaveform` or `AutoModelForTextToSpectrogram`. This
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pipeline generates an audio file from an input text and optional other conditional inputs.
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Example:
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```python
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>>> from transformers import pipeline
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>>> pipe = pipeline(model="suno/bark-small")
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>>> output = pipe("Hey it's HuggingFace on the phone!")
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>>> audio = output["audio"]
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>>> sampling_rate = output["sampling_rate"]
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```
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Learn more about the basics of using a pipeline in the [pipeline tutorial](../pipeline_tutorial)
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<Tip>
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You can specify parameters passed to the model by using [`TextToAudioPipeline.__call__.forward_params`] or
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[`TextToAudioPipeline.__call__.generate_kwargs`].
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Example:
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```python
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>>> from transformers import pipeline
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>>> music_generator = pipeline(task="text-to-audio", model="facebook/musicgen-small", framework="pt")
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>>> # diversify the music generation by adding randomness with a high temperature and set a maximum music length
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>>> generate_kwargs = {
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... "do_sample": True,
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... "temperature": 0.7,
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... "max_new_tokens": 35,
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... }
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>>> outputs = music_generator("Techno music with high melodic riffs", generate_kwargs=generate_kwargs)
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```
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</Tip>
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This pipeline can currently be loaded from [`pipeline`] using the following task identifiers: `"text-to-speech"` or
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`"text-to-audio"`.
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See the list of available models on [huggingface.co/models](https://huggingface.co/models?filter=text-to-speech).
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"""
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def __init__(self, *args, vocoder=None, sampling_rate=None, **kwargs):
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super().__init__(*args, **kwargs)
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if self.framework == "tf":
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raise ValueError("The TextToAudioPipeline is only available in PyTorch.")
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self.vocoder = None
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if self.model.__class__ in MODEL_FOR_TEXT_TO_SPECTROGRAM_MAPPING.values():
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self.vocoder = (
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SpeechT5HifiGan.from_pretrained(DEFAULT_VOCODER_ID).to(self.model.device)
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if vocoder is None
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else vocoder
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)
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self.sampling_rate = sampling_rate
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if self.vocoder is not None:
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self.sampling_rate = self.vocoder.config.sampling_rate
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if self.sampling_rate is None:
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# get sampling_rate from config and generation config
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config = self.model.config
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gen_config = self.model.__dict__.get("generation_config", None)
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if gen_config is not None:
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config.update(gen_config.to_dict())
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for sampling_rate_name in ["sample_rate", "sampling_rate"]:
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sampling_rate = getattr(config, sampling_rate_name, None)
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if sampling_rate is not None:
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self.sampling_rate = sampling_rate
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def preprocess(self, text, **kwargs):
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if isinstance(text, str):
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text = [text]
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if self.model.config.model_type == "bark":
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# bark Tokenizer is called with BarkProcessor which uses those kwargs
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new_kwargs = {
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"max_length": self.model.generation_config.semantic_config.get("max_input_semantic_length", 256),
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"add_special_tokens": False,
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"return_attention_mask": True,
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"return_token_type_ids": False,
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"padding": "max_length",
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}
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# priority is given to kwargs
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new_kwargs.update(kwargs)
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kwargs = new_kwargs
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output = self.tokenizer(text, **kwargs, return_tensors="pt")
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return output
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def _forward(self, model_inputs, **kwargs):
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# we expect some kwargs to be additional tensors which need to be on the right device
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kwargs = self._ensure_tensor_on_device(kwargs, device=self.device)
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forward_params = kwargs["forward_params"]
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generate_kwargs = kwargs["generate_kwargs"]
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if self.model.can_generate():
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# we expect some kwargs to be additional tensors which need to be on the right device
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generate_kwargs = self._ensure_tensor_on_device(generate_kwargs, device=self.device)
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# generate_kwargs get priority over forward_params
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forward_params.update(generate_kwargs)
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output = self.model.generate(**model_inputs, **forward_params)
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else:
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if len(generate_kwargs):
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raise ValueError(
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f"""You're using the `TextToAudioPipeline` with a forward-only model, but `generate_kwargs` is non empty.
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For forward-only TTA models, please use `forward_params` instead of of
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`generate_kwargs`. For reference, here are the `generate_kwargs` used here:
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{generate_kwargs.keys()}"""
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)
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output = self.model(**model_inputs, **forward_params)[0]
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if self.vocoder is not None:
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# in that case, the output is a spectrogram that needs to be converted into a waveform
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output = self.vocoder(output)
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return output
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def __call__(self, text_inputs: Union[str, List[str]], **forward_params):
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"""
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Generates speech/audio from the inputs. See the [`TextToAudioPipeline`] documentation for more information.
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Args:
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text_inputs (`str` or `List[str]`):
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The text(s) to generate.
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forward_params (`dict`, *optional*):
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Parameters passed to the model generation/forward method. `forward_params` are always passed to the
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underlying model.
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generate_kwargs (`dict`, *optional*):
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The dictionary of ad-hoc parametrization of `generate_config` to be used for the generation call. For a
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complete overview of generate, check the [following
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guide](https://huggingface.co/docs/transformers/en/main_classes/text_generation). `generate_kwargs` are
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only passed to the underlying model if the latter is a generative model.
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Return:
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A `dict` or a list of `dict`: The dictionaries have two keys:
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- **audio** (`np.ndarray` of shape `(nb_channels, audio_length)`) -- The generated audio waveform.
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- **sampling_rate** (`int`) -- The sampling rate of the generated audio waveform.
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"""
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return super().__call__(text_inputs, **forward_params)
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def _sanitize_parameters(
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self,
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preprocess_params=None,
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forward_params=None,
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generate_kwargs=None,
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):
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params = {
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"forward_params": forward_params if forward_params else {},
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"generate_kwargs": generate_kwargs if generate_kwargs else {},
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}
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if preprocess_params is None:
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preprocess_params = {}
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postprocess_params = {}
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return preprocess_params, params, postprocess_params
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def postprocess(self, waveform):
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output_dict = {}
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if isinstance(waveform, dict):
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waveform = waveform["waveform"]
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elif isinstance(waveform, tuple):
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waveform = waveform[0]
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output_dict["audio"] = waveform.cpu().float().numpy()
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output_dict["sampling_rate"] = self.sampling_rate
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return output_dict
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