From 4a7a984a5f3e3f894f86ce82e76ddd13d8a42a20 Mon Sep 17 00:00:00 2001
From: zhifu gao <zhifu.gzf@alibaba-inc.com>
Date: 星期一, 11 三月 2024 17:56:30 +0800
Subject: [PATCH] Dev gzf (#1465)

---
 funasr/models/paraformer_streaming/model.py |  197 ++++++++++++++++++++++++++++++++++++++----------
 1 files changed, 155 insertions(+), 42 deletions(-)

diff --git a/funasr/models/paraformer_streaming/model.py b/funasr/models/paraformer_streaming/model.py
index e6f3038..cebbfc1 100644
--- a/funasr/models/paraformer_streaming/model.py
+++ b/funasr/models/paraformer_streaming/model.py
@@ -1,35 +1,29 @@
-import os
+#!/usr/bin/env python3
+# -*- encoding: utf-8 -*-
+# Copyright FunASR (https://github.com/alibaba-damo-academy/FunASR). All Rights Reserved.
+#  MIT License  (https://opensource.org/licenses/MIT)
+
+import time
+import torch
 import logging
+from typing import Dict, Tuple
 from contextlib import contextmanager
 from distutils.version import LooseVersion
-from typing import Dict
-from typing import List
-from typing import Optional
-from typing import Tuple
-from typing import Union
-import tempfile
-import codecs
-import requests
-import re
-import copy
-import torch
-import torch.nn as nn
-import random
-import numpy as np
-import time
-# from funasr.layers.abs_normalize import AbsNormalize
-from funasr.losses.label_smoothing_loss import (
-    LabelSmoothingLoss,  # noqa: H301
-)
 
+from funasr.register import tables
+from funasr.models.ctc.ctc import CTC
+from funasr.utils import postprocess_utils
+from funasr.metrics.compute_acc import th_accuracy
+from funasr.utils.datadir_writer import DatadirWriter
+from funasr.models.paraformer.model import Paraformer
+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.metrics.compute_acc import th_accuracy
-from funasr.train_utils.device_funcs import force_gatherable
+from funasr.utils.load_utils import load_audio_text_image_video, extract_fbank
 
-from funasr.models.paraformer.search import Hypothesis
 
 if LooseVersion(torch.__version__) >= LooseVersion("1.6.0"):
     from torch.cuda.amp import autocast
@@ -38,15 +32,7 @@
     @contextmanager
     def autocast(enabled=True):
         yield
-from funasr.utils.load_utils import load_audio_text_image_video, extract_fbank
-from funasr.utils import postprocess_utils
-from funasr.utils.datadir_writer import DatadirWriter
-from funasr.utils.timestamp_tools import ts_prediction_lfr6_standard
 
-from funasr.models.ctc.ctc import CTC
-from funasr.models.paraformer.model import Paraformer
-
-from funasr.register import tables
 
 @tables.register("model_classes", "ParaformerStreaming")
 class ParaformerStreaming(Paraformer):
@@ -249,8 +235,7 @@
         decoder_out_1st = None
         pre_loss_att = None
         if self.sampling_ratio > 0.0:
-            if self.step_cur < 2:
-                logging.info("enable sampler in paraformer, sampling_ratio: {}".format(self.sampling_ratio))
+
             if self.use_1st_decoder_loss:
                 sematic_embeds, decoder_out_1st, pre_loss_att = \
                     self.sampler_with_grad(encoder_out, encoder_out_lens, ys_pad,
@@ -260,8 +245,6 @@
                     self.sampler(encoder_out, encoder_out_lens, ys_pad,
                                  ys_pad_lens, pre_acoustic_embeds, scama_mask)
         else:
-            if self.step_cur < 2:
-                logging.info("disable sampler in paraformer, sampling_ratio: {}".format(self.sampling_ratio))
             sematic_embeds = pre_acoustic_embeds
         
         # 1. Forward decoder
@@ -499,7 +482,7 @@
         
         return results
     
-    def generate(self,
+    def inference(self,
                  data_in,
                  data_lengths=None,
                  key: list = None,
@@ -516,8 +499,7 @@
             logging.info("enable beam_search")
             self.init_beam_search(**kwargs)
             self.nbest = kwargs.get("nbest", 1)
-        
-
+            
         if len(cache) == 0:
             self.init_cache(cache, **kwargs)
         
@@ -571,11 +553,142 @@
             self.init_cache(cache, **kwargs)
         
         if kwargs.get("output_dir"):
-            writer = DatadirWriter(kwargs.get("output_dir"))
-            ibest_writer = writer[f"{1}best_recog"]
+            if not hasattr(self, "writer"):
+                self.writer = DatadirWriter(kwargs.get("output_dir"))
+            ibest_writer = self.writer[f"{1}best_recog"]
             ibest_writer["token"][key[0]] = " ".join(tokens)
             ibest_writer["text"][key[0]] = text_postprocessed
-        
+
         return result, meta_data
 
+    def export(
+        self,
+        max_seq_len=512,
+        **kwargs,
+    ):
+    
+        is_onnx = kwargs.get("type", "onnx") == "onnx"
+        encoder_class = tables.encoder_classes.get(kwargs["encoder"] + "Export")
+        self.encoder = encoder_class(self.encoder, onnx=is_onnx)
+    
+        predictor_class = tables.predictor_classes.get(kwargs["predictor"] + "Export")
+        self.predictor = predictor_class(self.predictor, onnx=is_onnx)
+        
+        if kwargs["decoder"] == "ParaformerSANMDecoder":
+            kwargs["decoder"] = "ParaformerSANMDecoderOnline"
+        decoder_class = tables.decoder_classes.get(kwargs["decoder"] + "Export")
+        self.decoder = decoder_class(self.decoder, onnx=is_onnx)
+    
+        from funasr.utils.torch_function import MakePadMask
+        from funasr.utils.torch_function import sequence_mask
+    
+        if is_onnx:
+            self.make_pad_mask = MakePadMask(max_seq_len, flip=False)
+        else:
+            self.make_pad_mask = sequence_mask(max_seq_len, flip=False)
+    
+        self.forward = self._export_forward
 
+        import copy
+        import types
+        encoder_model = copy.copy(self)
+        decoder_model = copy.copy(self)
+
+        # encoder
+        encoder_model.forward = types.MethodType(ParaformerStreaming._export_encoder_forward, encoder_model)
+        encoder_model.export_dummy_inputs = types.MethodType(ParaformerStreaming.export_encoder_dummy_inputs, encoder_model)
+        encoder_model.export_input_names = types.MethodType(ParaformerStreaming.export_encoder_input_names, encoder_model)
+        encoder_model.export_output_names = types.MethodType(ParaformerStreaming.export_encoder_output_names, encoder_model)
+        encoder_model.export_dynamic_axes = types.MethodType(ParaformerStreaming.export_encoder_dynamic_axes, encoder_model)
+        encoder_model.export_name = types.MethodType(ParaformerStreaming.export_encoder_name, encoder_model)
+        
+        # decoder
+        decoder_model.forward = types.MethodType(ParaformerStreaming._export_decoder_forward, decoder_model)
+        decoder_model.export_dummy_inputs = types.MethodType(ParaformerStreaming.export_decoder_dummy_inputs, decoder_model)
+        decoder_model.export_input_names = types.MethodType(ParaformerStreaming.export_decoder_input_names, decoder_model)
+        decoder_model.export_output_names = types.MethodType(ParaformerStreaming.export_decoder_output_names, decoder_model)
+        decoder_model.export_dynamic_axes = types.MethodType(ParaformerStreaming.export_decoder_dynamic_axes, decoder_model)
+        decoder_model.export_name = types.MethodType(ParaformerStreaming.export_decoder_name, decoder_model)
+    
+        return encoder_model, decoder_model
+
+    def _export_encoder_forward(
+        self,
+        speech: torch.Tensor,
+        speech_lengths: torch.Tensor,
+    ):
+        # a. To device
+        batch = {"speech": speech, "speech_lengths": speech_lengths, "online": True}
+        # batch = to_device(batch, device=self.device)
+    
+        enc, enc_len = self.encoder(**batch)
+        mask = self.make_pad_mask(enc_len)[:, None, :]
+        alphas, _ = self.predictor.forward_cnn(enc, mask)
+    
+        return enc, enc_len, alphas
+
+    def export_encoder_dummy_inputs(self):
+        speech = torch.randn(2, 30, 560)
+        speech_lengths = torch.tensor([6, 30], dtype=torch.int32)
+        return (speech, speech_lengths)
+
+    def export_encoder_input_names(self):
+        return ['speech', 'speech_lengths']
+
+    def export_encoder_output_names(self):
+        return ['enc', 'enc_len', 'alphas']
+
+    def export_encoder_dynamic_axes(self):
+        return {
+            'speech': {
+                0: 'batch_size',
+                1: 'feats_length'
+            },
+            'speech_lengths': {
+                0: 'batch_size',
+            },
+            'enc': {
+                0: 'batch_size',
+                1: 'feats_length'
+            },
+            'enc_len': {
+                0: 'batch_size',
+            },
+            'alphas': {
+                0: 'batch_size',
+                1: 'feats_length'
+            },
+        }
+    
+    def export_encoder_name(self):
+        return "model.onnx"
+    
+    def _export_decoder_forward(
+        self,
+        enc: torch.Tensor,
+        enc_len: torch.Tensor,
+        acoustic_embeds: torch.Tensor,
+        acoustic_embeds_len: torch.Tensor,
+        *args,
+    ):
+        decoder_out, out_caches = self.decoder(enc, enc_len, acoustic_embeds, acoustic_embeds_len, *args)
+        sample_ids = decoder_out.argmax(dim=-1)
+    
+        return decoder_out, sample_ids, out_caches
+
+    def export_decoder_dummy_inputs(self):
+        dummy_inputs = self.decoder.get_dummy_inputs(enc_size=self.encoder._output_size)
+        return dummy_inputs
+
+    def export_decoder_input_names(self):
+    
+        return self.decoder.get_input_names()
+
+    def export_decoder_output_names(self):
+    
+        return self.decoder.get_output_names()
+
+    def export_decoder_dynamic_axes(self):
+        return self.decoder.get_dynamic_axes()
+    def export_decoder_name(self):
+        return "decoder.onnx"
\ No newline at end of file

--
Gitblit v1.9.1