游雁
2023-08-30 c2e4e3c2e9be855277d9f4fa9cd0544892ff829a
funasr/models/e2e_asr.py
@@ -11,20 +11,23 @@
from typing import Union
import torch
from typeguard import check_argument_types
from funasr.layers.abs_normalize import AbsNormalize
from funasr.losses.label_smoothing_loss import (
    LabelSmoothingLoss,  # noqa: H301
)
from funasr.models.ctc import CTC
from funasr.models.decoder.abs_decoder import AbsDecoder
from funasr.models.encoder.abs_encoder import AbsEncoder
from funasr.models.frontend.abs_frontend import AbsFrontend
from funasr.models.postencoder.abs_postencoder import AbsPostEncoder
from funasr.models.preencoder.abs_preencoder import AbsPreEncoder
from funasr.models.base_model import FunASRModel
from funasr.models.specaug.abs_specaug import AbsSpecAug
from funasr.modules.add_sos_eos import add_sos_eos
from funasr.modules.e2e_asr_common import ErrorCalculator
from funasr.modules.nets_utils import th_accuracy
from funasr.torch_utils.device_funcs import force_gatherable
from funasr.models.base_model import FunASRModel
if LooseVersion(torch.__version__) >= LooseVersion("1.6.0"):
    from torch.cuda.amp import autocast
@@ -35,19 +38,17 @@
        yield
class ESPnetASRModel(FunASRModel):
class ASRModel(FunASRModel):
    """CTC-attention hybrid Encoder-Decoder model"""
    def __init__(
            self,
            vocab_size: int,
            token_list: Union[Tuple[str, ...], List[str]],
            frontend: Optional[torch.nn.Module],
            specaug: Optional[torch.nn.Module],
            normalize: Optional[torch.nn.Module],
            preencoder: Optional[AbsPreEncoder],
            encoder: torch.nn.Module,
            postencoder: Optional[AbsPostEncoder],
            frontend: Optional[AbsFrontend],
            specaug: Optional[AbsSpecAug],
            normalize: Optional[AbsNormalize],
            encoder: AbsEncoder,
            decoder: AbsDecoder,
            ctc: CTC,
            ctc_weight: float = 0.5,
@@ -60,8 +61,9 @@
            sym_space: str = "<space>",
            sym_blank: str = "<blank>",
            extract_feats_in_collect_stats: bool = True,
            preencoder: Optional[AbsPreEncoder] = None,
            postencoder: Optional[AbsPostEncoder] = None,
    ):
        assert check_argument_types()
        assert 0.0 <= ctc_weight <= 1.0, ctc_weight
        assert 0.0 <= interctc_weight < 1.0, interctc_weight
@@ -129,7 +131,6 @@
            text_lengths: torch.Tensor,
    ) -> Tuple[torch.Tensor, Dict[str, torch.Tensor], torch.Tensor]:
        """Frontend + Encoder + Decoder + Calc loss
        Args:
            speech: (Batch, Length, ...)
            speech_lengths: (Batch, )
@@ -245,7 +246,6 @@
            self, speech: torch.Tensor, speech_lengths: torch.Tensor
    ) -> Tuple[torch.Tensor, torch.Tensor]:
        """Frontend + Encoder. Note that this method is used by asr_inference.py
        Args:
            speech: (Batch, Length, ...)
            speech_lengths: (Batch, )
@@ -327,9 +327,7 @@
            ys_pad_lens: torch.Tensor,
    ) -> torch.Tensor:
        """Compute negative log likelihood(nll) from transformer-decoder
        Normally, this function is called in batchify_nll.
        Args:
            encoder_out: (Batch, Length, Dim)
            encoder_out_lens: (Batch,)
@@ -366,7 +364,6 @@
            batch_size: int = 100,
    ):
        """Compute negative log likelihood(nll) from transformer-decoder
        To avoid OOM, this fuction seperate the input into batches.
        Then call nll for each batch and combine and return results.
        Args: