zhifu gao
2024-04-24 861147c7308b91068ffa02724fdf74ee623a909e
funasr/models/bicif_paraformer/model.py
@@ -51,7 +51,6 @@
    ):
        super().__init__(*args, **kwargs)
    def _calc_pre2_loss(
        self,
        encoder_out: torch.Tensor,
@@ -59,18 +58,20 @@
        ys_pad: torch.Tensor,
        ys_pad_lens: torch.Tensor,
    ):
        encoder_out_mask = (~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]).to(
            encoder_out.device)
        encoder_out_mask = (
            ~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]
        ).to(encoder_out.device)
        if self.predictor_bias == 1:
            _, ys_pad = add_sos_eos(ys_pad, self.sos, self.eos, self.ignore_id)
            ys_pad_lens = ys_pad_lens + self.predictor_bias
        _, _, _, _, pre_token_length2 = self.predictor(encoder_out, ys_pad, encoder_out_mask, ignore_id=self.ignore_id)
        _, _, _, _, pre_token_length2 = self.predictor(
            encoder_out, ys_pad, encoder_out_mask, ignore_id=self.ignore_id
        )
        
        # loss_pre = self.criterion_pre(ys_pad_lens.type_as(pre_token_length), pre_token_length)
        loss_pre2 = self.criterion_pre(ys_pad_lens.type_as(pre_token_length2), pre_token_length2)
        
        return loss_pre2
    
    def _calc_att_loss(
        self,
@@ -79,27 +80,27 @@
        ys_pad: torch.Tensor,
        ys_pad_lens: torch.Tensor,
    ):
        encoder_out_mask = (~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]).to(
            encoder_out.device)
        encoder_out_mask = (
            ~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]
        ).to(encoder_out.device)
        if self.predictor_bias == 1:
            _, ys_pad = add_sos_eos(ys_pad, self.sos, self.eos, self.ignore_id)
            ys_pad_lens = ys_pad_lens + self.predictor_bias
        pre_acoustic_embeds, pre_token_length, _, pre_peak_index, _ = self.predictor(encoder_out, ys_pad,
                                                                                     encoder_out_mask,
                                                                                     ignore_id=self.ignore_id)
        pre_acoustic_embeds, pre_token_length, _, pre_peak_index, _ = self.predictor(
            encoder_out, ys_pad, encoder_out_mask, ignore_id=self.ignore_id
        )
        
        # 0. sampler
        decoder_out_1st = None
        if self.sampling_ratio > 0.0:
            sematic_embeds, decoder_out_1st = self.sampler(encoder_out, encoder_out_lens, ys_pad, ys_pad_lens,
                                                           pre_acoustic_embeds)
            sematic_embeds, decoder_out_1st = self.sampler(
                encoder_out, encoder_out_lens, ys_pad, ys_pad_lens, pre_acoustic_embeds
            )
        else:
            sematic_embeds = pre_acoustic_embeds
        
        # 1. Forward decoder
        decoder_outs = self.decoder(
            encoder_out, encoder_out_lens, sematic_embeds, ys_pad_lens
        )
        decoder_outs = self.decoder(encoder_out, encoder_out_lens, sematic_embeds, ys_pad_lens)
        decoder_out, _ = decoder_outs[0], decoder_outs[1]
        
        if decoder_out_1st is None:
@@ -122,25 +123,23 @@
        
        return loss_att, acc_att, cer_att, wer_att, loss_pre
    def calc_predictor(self, encoder_out, encoder_out_lens):
        encoder_out_mask = (~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]).to(
            encoder_out.device)
        pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index, pre_token_length2 = self.predictor(encoder_out,
                                                                                                          None,
                                                                                                          encoder_out_mask,
                                                                                                          ignore_id=self.ignore_id)
        encoder_out_mask = (
            ~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]
        ).to(encoder_out.device)
        pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index, pre_token_length2 = (
            self.predictor(encoder_out, None, encoder_out_mask, ignore_id=self.ignore_id)
        )
        return pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index
    def calc_predictor_timestamp(self, encoder_out, encoder_out_lens, token_num):
        encoder_out_mask = (~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]).to(
            encoder_out.device)
        ds_alphas, ds_cif_peak, us_alphas, us_peaks = self.predictor.get_upsample_timestamp(encoder_out,
                                                                                            encoder_out_mask,
                                                                                            token_num)
        encoder_out_mask = (
            ~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]
        ).to(encoder_out.device)
        ds_alphas, ds_cif_peak, us_alphas, us_peaks = self.predictor.get_upsample_timestamp(
            encoder_out, encoder_out_mask, token_num
        )
        return ds_alphas, ds_cif_peak, us_alphas, us_peaks
    
    def forward(
        self,
@@ -167,7 +166,6 @@
        # Encoder
        encoder_out, encoder_out_lens = self.encode(speech, speech_lengths)
        loss_ctc, cer_ctc = None, None
        loss_pre = None
        stats = dict()
@@ -182,22 +180,27 @@
            stats["loss_ctc"] = loss_ctc.detach() if loss_ctc is not None else None
            stats["cer_ctc"] = cer_ctc
        # decoder: Attention decoder branch
        loss_att, acc_att, cer_att, wer_att, loss_pre = self._calc_att_loss(
            encoder_out, encoder_out_lens, text, text_lengths
        )
        
        loss_pre2 = self._calc_pre2_loss(
            encoder_out, encoder_out_lens, text, text_lengths
        )
        loss_pre2 = self._calc_pre2_loss(encoder_out, encoder_out_lens, text, text_lengths)
        
        # 3. CTC-Att loss definition
        if self.ctc_weight == 0.0:
            loss = loss_att + loss_pre * self.predictor_weight + loss_pre2 * self.predictor_weight * 0.5
            loss = (
                loss_att
                + loss_pre * self.predictor_weight
                + loss_pre2 * self.predictor_weight * 0.5
            )
        else:
            loss = self.ctc_weight * loss_ctc + (
                1 - self.ctc_weight) * loss_att + loss_pre * self.predictor_weight + loss_pre2 * self.predictor_weight * 0.5
            loss = (
                self.ctc_weight * loss_ctc
                + (1 - self.ctc_weight) * loss_att
                + loss_pre * self.predictor_weight
                + loss_pre2 * self.predictor_weight * 0.5
            )
        
        # Collect Attn branch stats
        stats["loss_att"] = loss_att.detach() if loss_att is not None else None
@@ -216,8 +219,8 @@
        loss, stats, weight = force_gatherable((loss, stats, batch_size), loss.device)
        return loss, stats, weight
    def inference(self,
    def inference(
        self,
                 data_in,
                 data_lengths=None,
                 key: list = None,
@@ -228,7 +231,9 @@
        
        # init beamsearch
        is_use_ctc = kwargs.get("decoding_ctc_weight", 0.0) > 0.00001 and self.ctc != None
        is_use_lm = kwargs.get("lm_weight", 0.0) > 0.00001 and kwargs.get("lm_file", None) is not None
        is_use_lm = (
            kwargs.get("lm_weight", 0.0) > 0.00001 and kwargs.get("lm_file", None) is not None
        )
        if self.beam_search is None and (is_use_lm or is_use_ctc):
            logging.info("enable beam_search")
            self.init_beam_search(**kwargs)
@@ -244,14 +249,19 @@
        # else:
        # extract fbank feats
        time1 = time.perf_counter()
        audio_sample_list = load_audio_text_image_video(data_in, fs=frontend.fs, audio_fs=kwargs.get("fs", 16000))
        audio_sample_list = load_audio_text_image_video(
            data_in, fs=frontend.fs, audio_fs=kwargs.get("fs", 16000)
        )
        time2 = time.perf_counter()
        meta_data["load_data"] = f"{time2 - time1:0.3f}"
        speech, speech_lengths = extract_fbank(audio_sample_list, data_type=kwargs.get("data_type", "sound"),
                                                frontend=frontend)
        speech, speech_lengths = extract_fbank(
            audio_sample_list, data_type=kwargs.get("data_type", "sound"), frontend=frontend
        )
        time3 = time.perf_counter()
        meta_data["extract_feat"] = f"{time3 - time2:0.3f}"
        meta_data["batch_data_time"] = speech_lengths.sum().item() * frontend.frame_shift * frontend.lfr_n / 1000
        meta_data["batch_data_time"] = (
            speech_lengths.sum().item() * frontend.frame_shift * frontend.lfr_n / 1000
        )
        
        speech = speech.to(device=kwargs["device"])
        speech_lengths = speech_lengths.to(device=kwargs["device"])
@@ -263,18 +273,24 @@
        
        # predictor
        predictor_outs = self.calc_predictor(encoder_out, encoder_out_lens)
        pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index = predictor_outs[0], predictor_outs[1], \
                                                                        predictor_outs[2], predictor_outs[3]
        pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index = (
            predictor_outs[0],
            predictor_outs[1],
            predictor_outs[2],
            predictor_outs[3],
        )
        pre_token_length = pre_token_length.round().long()
        if torch.max(pre_token_length) < 1:
            return []
        decoder_outs = self.cal_decoder_with_predictor(encoder_out, encoder_out_lens, pre_acoustic_embeds,
                                                       pre_token_length)
        decoder_outs = self.cal_decoder_with_predictor(
            encoder_out, encoder_out_lens, pre_acoustic_embeds, pre_token_length
        )
        decoder_out, ys_pad_lens = decoder_outs[0], decoder_outs[1]
        
        # BiCifParaformer, test no bias cif2
        _, _, us_alphas, us_peaks = self.calc_predictor_timestamp(encoder_out, encoder_out_lens,
                                                                  pre_token_length)
        _, _, us_alphas, us_peaks = self.calc_predictor_timestamp(
            encoder_out, encoder_out_lens, pre_token_length
        )
        
        results = []
        b, n, d = decoder_out.size()
@@ -283,8 +299,10 @@
            am_scores = decoder_out[i, :pre_token_length[i], :]
            if self.beam_search is not None:
                nbest_hyps = self.beam_search(
                    x=x, am_scores=am_scores, maxlenratio=kwargs.get("maxlenratio", 0.0),
                    minlenratio=kwargs.get("minlenratio", 0.0)
                    x=x,
                    am_scores=am_scores,
                    maxlenratio=kwargs.get("maxlenratio", 0.0),
                    minlenratio=kwargs.get("minlenratio", 0.0),
                )
                
                nbest_hyps = nbest_hyps[: self.nbest]
@@ -294,9 +312,7 @@
                score = am_scores.max(dim=-1)[0]
                score = torch.sum(score, dim=-1)
                # pad with mask tokens to ensure compatibility with sos/eos tokens
                yseq = torch.tensor(
                    [self.sos] + yseq.tolist() + [self.eos], device=yseq.device
                )
                yseq = torch.tensor([self.sos] + yseq.tolist() + [self.eos], device=yseq.device)
                nbest_hyps = [Hypothesis(yseq=yseq, score=score)]
            for nbest_idx, hyp in enumerate(nbest_hyps):
                ibest_writer = None
@@ -313,22 +329,31 @@
                    token_int = hyp.yseq[1:last_pos].tolist()
                
                # remove blank symbol id, which is assumed to be 0
                token_int = list(filter(lambda x: x != self.eos and x != self.sos and x != self.blank_id, token_int))
                token_int = list(
                    filter(
                        lambda x: x != self.eos and x != self.sos and x != self.blank_id, token_int
                    )
                )
                
                if tokenizer is not None:
                    # Change integer-ids to tokens
                    token = tokenizer.ids2tokens(token_int)
                    text = tokenizer.tokens2text(token)
                    
                    _, timestamp = ts_prediction_lfr6_standard(us_alphas[i][:encoder_out_lens[i] * 3],
                    _, timestamp = ts_prediction_lfr6_standard(
                        us_alphas[i][: encoder_out_lens[i] * 3],
                                                               us_peaks[i][:encoder_out_lens[i] * 3],
                                                               copy.copy(token),
                                                               vad_offset=kwargs.get("begin_time", 0))
                        vad_offset=kwargs.get("begin_time", 0),
                    )
                    
                    text_postprocessed, time_stamp_postprocessed, word_lists = postprocess_utils.sentence_postprocess(
                        token, timestamp)
                    text_postprocessed, time_stamp_postprocessed, word_lists = (
                        postprocess_utils.sentence_postprocess(token, timestamp)
                    )
                    result_i = {"key": key[i], "text": text_postprocessed,
                    result_i = {
                        "key": key[i],
                        "text": text_postprocessed,
                                "timestamp": time_stamp_postprocessed,
                                }
                    
@@ -345,7 +370,8 @@
    def export(self, **kwargs):
        from .export_meta import export_rebuild_model
        if 'max_seq_len' not in kwargs:
            kwargs['max_seq_len'] = 512
        if "max_seq_len" not in kwargs:
            kwargs["max_seq_len"] = 512
        models = export_rebuild_model(model=self, **kwargs)
        return models