zhifu gao
2024-04-17 e8f80e96f99cb856423d030c7d055c302a6d3278
funasr/models/paraformer/model.py
@@ -13,13 +13,14 @@
from funasr.models.ctc.ctc import CTC
from funasr.utils import postprocess_utils
from funasr.metrics.compute_acc import th_accuracy
from funasr.train_utils.device_funcs import to_device
from funasr.utils.datadir_writer import DatadirWriter
from funasr.models.paraformer.search import Hypothesis
from funasr.models.paraformer.cif_predictor import mae_loss
from funasr.train_utils.device_funcs import force_gatherable
from funasr.losses.label_smoothing_loss import LabelSmoothingLoss
from funasr.models.transformer.utils.add_sos_eos import add_sos_eos
from funasr.models.transformer.utils.nets_utils import make_pad_mask, pad_list
from funasr.models.transformer.utils.nets_utils import make_pad_mask
from funasr.utils.load_utils import load_audio_text_image_video, extract_fbank
@@ -154,8 +155,8 @@
        self.predictor_bias = predictor_bias
        self.sampling_ratio = sampling_ratio
        self.criterion_pre = mae_loss(normalize_length=length_normalized_loss)
        # self.step_cur = 0
        #
        self.share_embedding = share_embedding
        if self.share_embedding:
            self.decoder.embed = None
@@ -180,15 +181,12 @@
                text: (Batch, Length)
                text_lengths: (Batch,)
        """
        # import pdb;
        # pdb.set_trace()
        if len(text_lengths.size()) > 1:
            text_lengths = text_lengths[:, 0]
        if len(speech_lengths.size()) > 1:
            speech_lengths = speech_lengths[:, 0]
        
        batch_size = speech.shape[0]
        
        # Encoder
        encoder_out, encoder_out_lens = self.encode(speech, speech_lengths)
@@ -230,6 +228,7 @@
        stats["loss_pre"] = loss_pre.detach().cpu() if loss_pre is not None else None
        
        stats["loss"] = torch.clone(loss.detach())
        stats["batch_size"] = batch_size
        
        # force_gatherable: to-device and to-tensor if scalar for DataParallel
        if self.length_normalized_loss:
@@ -473,6 +472,8 @@
        speech = speech.to(device=kwargs["device"])
        speech_lengths = speech_lengths.to(device=kwargs["device"])
        # Encoder
        if kwargs.get("fp16", False):
            speech = speech.half()
        encoder_out, encoder_out_lens = self.encode(speech, speech_lengths)
        if isinstance(encoder_out, tuple):
            encoder_out = encoder_out[0]
@@ -549,3 +550,10 @@
                
        return results, meta_data
    def export(self, **kwargs):
        from .export_meta import export_rebuild_model
        if 'max_seq_len' not in kwargs:
            kwargs['max_seq_len'] = 512
        models = export_rebuild_model(model=self, **kwargs)
        return models