From f3cd90dcf21e2d4ca451abbfdc841ac6abfc68ee Mon Sep 17 00:00:00 2001
From: zhifu gao <zhifu.gzf@alibaba-inc.com>
Date: 星期二, 14 二月 2023 14:59:03 +0800
Subject: [PATCH] Merge pull request #105 from yufan-aslp/main

---
 funasr/tasks/asr.py |  138 ++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 138 insertions(+), 0 deletions(-)

diff --git a/funasr/tasks/asr.py b/funasr/tasks/asr.py
index e62a748..23ac976 100644
--- a/funasr/tasks/asr.py
+++ b/funasr/tasks/asr.py
@@ -40,6 +40,7 @@
 from funasr.models.decoder.contextual_decoder import ContextualParaformerDecoder
 from funasr.models.e2e_asr import ESPnetASRModel
 from funasr.models.e2e_asr_paraformer import Paraformer, ParaformerBert, BiCifParaformer, ContextualParaformer
+from funasr.models.e2e_asr_mfcca import MFCCA
 from funasr.models.e2e_uni_asr import UniASR
 from funasr.models.encoder.abs_encoder import AbsEncoder
 from funasr.models.encoder.conformer_encoder import ConformerEncoder
@@ -47,8 +48,10 @@
 from funasr.models.encoder.rnn_encoder import RNNEncoder
 from funasr.models.encoder.sanm_encoder import SANMEncoder, SANMEncoderChunkOpt
 from funasr.models.encoder.transformer_encoder import TransformerEncoder
+from funasr.models.encoder.mfcca_encoder import MFCCAEncoder
 from funasr.models.frontend.abs_frontend import AbsFrontend
 from funasr.models.frontend.default import DefaultFrontend
+from funasr.models.frontend.default import MultiChannelFrontend
 from funasr.models.frontend.fused import FusedFrontends
 from funasr.models.frontend.s3prl import S3prlFrontend
 from funasr.models.frontend.wav_frontend import WavFrontend
@@ -86,6 +89,7 @@
         s3prl=S3prlFrontend,
         fused=FusedFrontends,
         wav_frontend=WavFrontend,
+        multichannelfrontend=MultiChannelFrontend,
     ),
     type_check=AbsFrontend,
     default="default",
@@ -119,6 +123,7 @@
         paraformer_bert=ParaformerBert,
         bicif_paraformer=BiCifParaformer,
         contextual_paraformer=ContextualParaformer,
+        mfcca=MFCCA,
     ),
     type_check=AbsESPnetModel,
     default="asr",
@@ -142,6 +147,7 @@
         sanm=SANMEncoder,
         sanm_chunk_opt=SANMEncoderChunkOpt,
         data2vec_encoder=Data2VecEncoder,
+        mfcca_enc=MFCCAEncoder,
     ),
     type_check=AbsEncoder,
     default="rnn",
@@ -1106,3 +1112,135 @@
         var_dict_torch_update.update(var_dict_torch_update_local)
 
         return var_dict_torch_update
+
+
+
+class ASRTaskMFCCA(ASRTask):
+    # If you need more than one optimizers, change this value
+    num_optimizers: int = 1
+
+    # Add variable objects configurations
+    class_choices_list = [
+        # --frontend and --frontend_conf
+        frontend_choices,
+        # --specaug and --specaug_conf
+        specaug_choices,
+        # --normalize and --normalize_conf
+        normalize_choices,
+        # --model and --model_conf
+        model_choices,
+        # --preencoder and --preencoder_conf
+        preencoder_choices,
+        # --encoder and --encoder_conf
+        encoder_choices,
+        # --decoder and --decoder_conf
+        decoder_choices,
+    ]
+
+    # If you need to modify train() or eval() procedures, change Trainer class here
+    trainer = Trainer
+
+    @classmethod
+    def build_model(cls, args: argparse.Namespace):
+        assert check_argument_types()
+        if isinstance(args.token_list, str):
+            with open(args.token_list, encoding="utf-8") as f:
+                token_list = [line.rstrip() for line in f]
+
+            # Overwriting token_list to keep it as "portable".
+            args.token_list = list(token_list)
+        elif isinstance(args.token_list, (tuple, list)):
+            token_list = list(args.token_list)
+        else:
+            raise RuntimeError("token_list must be str or list")
+        vocab_size = len(token_list)
+        logging.info(f"Vocabulary size: {vocab_size}")
+
+        # 1. frontend
+        if args.input_size is None:
+            # Extract features in the model
+            frontend_class = frontend_choices.get_class(args.frontend)
+            if args.frontend == 'wav_frontend':
+                frontend = frontend_class(cmvn_file=args.cmvn_file, **args.frontend_conf)
+            else:
+                frontend = frontend_class(**args.frontend_conf)
+            input_size = frontend.output_size()
+        else:
+            # Give features from data-loader
+            args.frontend = None
+            args.frontend_conf = {}
+            frontend = None
+            input_size = args.input_size
+
+        # 2. Data augmentation for spectrogram
+        if args.specaug is not None:
+            specaug_class = specaug_choices.get_class(args.specaug)
+            specaug = specaug_class(**args.specaug_conf)
+        else:
+            specaug = None
+
+        # 3. Normalization layer
+        if args.normalize is not None:
+            normalize_class = normalize_choices.get_class(args.normalize)
+            normalize = normalize_class(stats_file=args.cmvn_file,**args.normalize_conf)
+        else:
+            normalize = None
+
+        # 4. Pre-encoder input block
+        # NOTE(kan-bayashi): Use getattr to keep the compatibility
+        if getattr(args, "preencoder", None) is not None:
+            preencoder_class = preencoder_choices.get_class(args.preencoder)
+            preencoder = preencoder_class(**args.preencoder_conf)
+            input_size = preencoder.output_size()
+        else:
+            preencoder = None
+
+        # 5. Encoder
+        encoder_class = encoder_choices.get_class(args.encoder)
+        encoder = encoder_class(input_size=input_size, **args.encoder_conf)
+
+        # 7. Decoder
+        decoder_class = decoder_choices.get_class(args.decoder)
+        decoder = decoder_class(
+            vocab_size=vocab_size,
+            encoder_output_size=encoder.output_size(),
+            **args.decoder_conf,
+        )
+
+        # 8. CTC
+        ctc = CTC(
+            odim=vocab_size, encoder_output_size=encoder.output_size(), **args.ctc_conf
+        )
+
+
+        # 10. Build model
+        try:
+            model_class = model_choices.get_class(args.model)
+        except AttributeError:
+            model_class = model_choices.get_class("asr")
+
+        rnnt_decoder = None
+
+        # 8. Build model
+        model = model_class(
+            vocab_size=vocab_size,
+            frontend=frontend,
+            specaug=specaug,
+            normalize=normalize,
+            preencoder=preencoder,
+            encoder=encoder,
+            decoder=decoder,
+            ctc=ctc,
+            rnnt_decoder=rnnt_decoder,
+            token_list=token_list,
+            **args.model_conf,
+        )
+
+        # 11. Initialize
+        if args.init is not None:
+            initialize(model, args.init)
+
+        assert check_return_type(model)
+        return model
+
+

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