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# coding=utf-8
# Copyright 2023 The Suno AI Authors and The HuggingFace Inc. team. 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.
""" BARK model generation configuration"""
import copy
from typing import Dict
from ...generation.configuration_utils import GenerationConfig
from ...utils import logging
logger = logging.get_logger(__name__)
class BarkSemanticGenerationConfig(GenerationConfig):
model_type = "semantic"
def __init__(
self,
eos_token_id=10_000,
renormalize_logits=True,
max_new_tokens=768,
output_scores=False,
return_dict_in_generate=False,
output_hidden_states=False,
output_attentions=False,
temperature=1.0,
do_sample=False,
text_encoding_offset=10_048,
text_pad_token=129_595,
semantic_infer_token=129_599,
semantic_vocab_size=10_000,
max_input_semantic_length=256,
semantic_rate_hz=49.9,
**kwargs,
):
"""Class that holds a generation configuration for [`BarkSemanticModel`].
This configuration inherit from [`GenerationConfig`] and can be used to control the model generation. Read the
documentation from [`GenerationConfig`] for more information.
Args:
eos_token_id (`int`, *optional*, defaults to 10_000):
The id of the *end-of-sequence* token.
renormalize_logits (`bool`, *optional*, defaults to `True`):
Whether to renormalize the logits after applying all the logits processors or warpers (including the
custom ones). It's highly recommended to set this flag to `True` as the search algorithms suppose the
score logits are normalized but some logit processors or warpers break the normalization.
max_new_tokens (`int`, *optional*, defaults to 768):
The maximum numbers of tokens to generate, ignoring the number of tokens in the prompt.
output_scores (`bool`, *optional*, defaults to `False`):
Whether or not to return the prediction scores. See `scores` under returned tensors for more details.
return_dict_in_generate (`bool`, *optional*, defaults to `False`):
Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.
output_hidden_states (`bool`, *optional*, defaults to `False`):
Whether or not to return the hidden states of all layers. See `hidden_states` under returned tensors
for more details.
output_attentions (`bool`, *optional*, defaults to `False`):
Whether or not to return the attentions tensors of all attention layers. See `attentions` under
returned tensors for more details.
temperature (`float`, *optional*, defaults to 1.0):
The value used to modulate the next token probabilities.
do_sample (`bool`, *optional*, defaults to `False`):
Whether or not to use sampling ; use greedy decoding otherwise.
text_encoding_offset (`int`, *optional*, defaults to 10_048):
Text encoding offset.
text_pad_token (`int`, *optional*, defaults to 129_595):
Text pad token.
semantic_infer_token (`int`, *optional*, defaults to 129_599):
Semantic infer token.
semantic_vocab_size (`int`, *optional*, defaults to 10_000):
Semantic vocab size.
max_input_semantic_length (`int`, *optional*, defaults to 256):
Max length of semantic input vector.
semantic_rate_hz (`float`, *optional*, defaults to 49.9):
Semantic rate in Hertz.
"""
super().__init__(
temperature=temperature,
do_sample=do_sample,
eos_token_id=eos_token_id,
renormalize_logits=renormalize_logits,
max_new_tokens=max_new_tokens,
output_scores=output_scores,
return_dict_in_generate=return_dict_in_generate,
output_hidden_states=output_hidden_states,
output_attentions=output_attentions,
**kwargs,
)
self.text_encoding_offset = text_encoding_offset
self.text_pad_token = text_pad_token
self.semantic_pad_token = eos_token_id
self.semantic_infer_token = semantic_infer_token
self.semantic_vocab_size = semantic_vocab_size
self.max_input_semantic_length = max_input_semantic_length
self.semantic_rate_hz = semantic_rate_hz
class BarkCoarseGenerationConfig(GenerationConfig):
model_type = "coarse_acoustics"
def __init__(
self,
renormalize_logits=True,
output_scores=False,
return_dict_in_generate=False,
output_hidden_states=False,
output_attentions=False,
temperature=1.0,
do_sample=False,
coarse_semantic_pad_token=12_048,
coarse_rate_hz=75,
n_coarse_codebooks=2,
coarse_infer_token=12_050,
max_coarse_input_length=256,
max_coarse_history: int = 630,
sliding_window_len: int = 60,
**kwargs,
):
"""Class that holds a generation configuration for [`BarkCoarseModel`].
This configuration inherit from [`GenerationConfig`] and can be used to control the model generation. Read the
documentation from [`GenerationConfig`] for more information.
Args:
renormalize_logits (`bool`, *optional*, defaults to `True`):
Whether to renormalize the logits after applying all the logits processors or warpers (including the
custom ones). It's highly recommended to set this flag to `True` as the search algorithms suppose the
score logits are normalized but some logit processors or warpers break the normalization.
output_scores (`bool`, *optional*, defaults to `False`):
Whether or not to return the prediction scores. See `scores` under returned tensors for more details.
return_dict_in_generate (`bool`, *optional*, defaults to `False`):
Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.
output_hidden_states (`bool`, *optional*, defaults to `False`):
Whether or not to return the hidden states of all layers. See `hidden_states` under returned tensors
for more details.
output_attentions (`bool`, *optional*, defaults to `False`):
Whether or not to return the attentions tensors of all attention layers. See `attentions` under
returned tensors for more details.
temperature (`float`, *optional*, defaults to 1.0):
The value used to modulate the next token probabilities.
do_sample (`bool`, *optional*, defaults to `False`):
Whether or not to use sampling ; use greedy decoding otherwise.
coarse_semantic_pad_token (`int`, *optional*, defaults to 12_048):
Coarse semantic pad token.
coarse_rate_hz (`int`, *optional*, defaults to 75):
Coarse rate in Hertz.
n_coarse_codebooks (`int`, *optional*, defaults to 2):
Number of coarse codebooks.
coarse_infer_token (`int`, *optional*, defaults to 12_050):
Coarse infer token.
max_coarse_input_length (`int`, *optional*, defaults to 256):
Max length of input coarse vector.
max_coarse_history (`int`, *optional*, defaults to 630):
Max length of the output of the coarse acoustics model used in the fine generation step.
sliding_window_len (`int`, *optional*, defaults to 60):
The coarse generation step uses a sliding window to generate raw audio.
"""
super().__init__(
temperature=temperature,
do_sample=do_sample,
renormalize_logits=renormalize_logits,
output_scores=output_scores,
return_dict_in_generate=return_dict_in_generate,
output_hidden_states=output_hidden_states,
output_attentions=output_attentions,
**kwargs,
)
self.coarse_semantic_pad_token = coarse_semantic_pad_token
self.coarse_rate_hz = coarse_rate_hz
self.n_coarse_codebooks = n_coarse_codebooks
self.coarse_infer_token = coarse_infer_token
self.max_coarse_input_length = max_coarse_input_length
self.max_coarse_history = max_coarse_history
self.sliding_window_len = sliding_window_len
class BarkFineGenerationConfig(GenerationConfig):
model_type = "fine_acoustics"
def __init__(
self,
temperature=1.0,
max_fine_history_length=512,
max_fine_input_length=1024,
n_fine_codebooks=8,
**kwargs,
):
"""Class that holds a generation configuration for [`BarkFineModel`].
[`BarkFineModel`] is an autoencoder model, so should not usually be used for generation. However, under the
hood, it uses `temperature` when used by [`BarkModel`]
This configuration inherit from [`GenerationConfig`] and can be used to control the model generation. Read the
documentation from [`GenerationConfig`] for more information.
Args:
temperature (`float`, *optional*):
The value used to modulate the next token probabilities.
max_fine_history_length (`int`, *optional*, defaults to 512):
Max length of the fine history vector.
max_fine_input_length (`int`, *optional*, defaults to 1024):
Max length of fine input vector.
n_fine_codebooks (`int`, *optional*, defaults to 8):
Number of codebooks used.
"""
super().__init__(temperature=temperature)
self.max_fine_history_length = max_fine_history_length
self.max_fine_input_length = max_fine_input_length
self.n_fine_codebooks = n_fine_codebooks
def validate(self, **kwargs):
"""
Overrides GenerationConfig.validate because BarkFineGenerationConfig don't use any parameters outside
temperature.
"""
pass
class BarkGenerationConfig(GenerationConfig):
model_type = "bark"
is_composition = True
# TODO (joao): nested from_dict
def __init__(
self,
semantic_config: Dict = None,
coarse_acoustics_config: Dict = None,
fine_acoustics_config: Dict = None,
sample_rate=24_000,
codebook_size=1024,
**kwargs,
):
"""Class that holds a generation configuration for [`BarkModel`].
The [`BarkModel`] does not have a `generate` method, but uses this class to generate speeches with a nested
[`BarkGenerationConfig`] which uses [`BarkSemanticGenerationConfig`], [`BarkCoarseGenerationConfig`],
[`BarkFineGenerationConfig`].
This configuration inherit from [`GenerationConfig`] and can be used to control the model generation. Read the
documentation from [`GenerationConfig`] for more information.
Args:
semantic_config (`Dict`, *optional*):
Semantic generation configuration.
coarse_acoustics_config (`Dict`, *optional*):
Coarse generation configuration.
fine_acoustics_config (`Dict`, *optional*):
Fine generation configuration.
sample_rate (`int`, *optional*, defaults to 24_000):
Sample rate.
codebook_size (`int`, *optional*, defaults to 1024):
Vector length for each codebook.
"""
if semantic_config is None:
semantic_config = {}
logger.info("semantic_config is None. initializing the semantic model with default values.")
if coarse_acoustics_config is None:
coarse_acoustics_config = {}
logger.info("coarse_acoustics_config is None. initializing the coarse model with default values.")
if fine_acoustics_config is None:
fine_acoustics_config = {}
logger.info("fine_acoustics_config is None. initializing the fine model with default values.")
self.semantic_config = BarkSemanticGenerationConfig(**semantic_config)
self.coarse_acoustics_config = BarkCoarseGenerationConfig(**coarse_acoustics_config)
self.fine_acoustics_config = BarkFineGenerationConfig(**fine_acoustics_config)
self.sample_rate = sample_rate
self.codebook_size = codebook_size
@classmethod
def from_sub_model_configs(
cls,
semantic_config: BarkSemanticGenerationConfig,
coarse_acoustics_config: BarkCoarseGenerationConfig,
fine_acoustics_config: BarkFineGenerationConfig,
**kwargs,
):
r"""
Instantiate a [`BarkGenerationConfig`] (or a derived class) from bark sub-models generation configuration.
Returns:
[`BarkGenerationConfig`]: An instance of a configuration object
"""
return cls(
semantic_config=semantic_config.to_dict(),
coarse_acoustics_config=coarse_acoustics_config.to_dict(),
fine_acoustics_config=fine_acoustics_config.to_dict(),
**kwargs,
)
def to_dict(self):
"""
Serializes this instance to a Python dictionary. Override the default [`~PretrainedConfig.to_dict`].
Returns:
`Dict[str, any]`: Dictionary of all the attributes that make up this configuration instance,
"""
output = copy.deepcopy(self.__dict__)
output["semantic_config"] = self.semantic_config.to_dict()
output["coarse_acoustics_config"] = self.coarse_acoustics_config.to_dict()
output["fine_acoustics_config"] = self.fine_acoustics_config.to_dict()
output["model_type"] = self.__class__.model_type
return output
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