From 15c4709beb4b588db2135fc1133cd6955b5ef819 Mon Sep 17 00:00:00 2001
From: zhifu gao <zhifu.gzf@alibaba-inc.com>
Date: 星期一, 11 三月 2024 22:04:03 +0800
Subject: [PATCH] onnx (#1473)

---
 funasr/models/bicif_paraformer/model.py |  188 ++++++++++++++++++++++++++++++++++------------
 1 files changed, 138 insertions(+), 50 deletions(-)

diff --git a/funasr/models/bicif_paraformer/model.py b/funasr/models/bicif_paraformer/model.py
index aced088..9849c8c 100644
--- a/funasr/models/bicif_paraformer/model.py
+++ b/funasr/models/bicif_paraformer/model.py
@@ -1,37 +1,38 @@
+#!/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 logging
-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
+import torch
+import logging
+from contextlib import contextmanager
+from distutils.version import LooseVersion
+from typing import Dict, List, Optional, Tuple
 
-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.models.paraformer.search import Hypothesis
-
-from funasr.utils.load_utils import load_audio_and_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.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.train_utils.device_funcs import force_gatherable
+from funasr.models.transformer.utils.add_sos_eos import add_sos_eos
+from funasr.utils.timestamp_tools import ts_prediction_lfr6_standard
+from funasr.models.transformer.utils.nets_utils import make_pad_mask, pad_list
+from funasr.utils.load_utils import load_audio_text_image_video, extract_fbank
+from funasr.train_utils.device_funcs import to_device
+
+if LooseVersion(torch.__version__) >= LooseVersion("1.6.0"):
+    from torch.cuda.amp import autocast
+else:
+    # Nothing to do if torch<1.6.0
+    @contextmanager
+    def autocast(enabled=True):
+        yield
+
 
 @tables.register("model_classes", "BiCifParaformer")
 class BiCifParaformer(Paraformer):
@@ -216,7 +217,7 @@
         return loss, stats, weight
 
 
-    def generate(self,
+    def inference(self,
                  data_in,
                  data_lengths=None,
                  key: list = None,
@@ -234,25 +235,26 @@
             self.nbest = kwargs.get("nbest", 1)
         
         meta_data = {}
-        if isinstance(data_in, torch.Tensor):  # fbank
-            speech, speech_lengths = data_in, data_lengths
-            if len(speech.shape) < 3:
-                speech = speech[None, :, :]
-            if speech_lengths is None:
-                speech_lengths = speech.shape[1]
-        else:
-            # extract fbank feats
-            time1 = time.perf_counter()
-            audio_sample_list = load_audio_and_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)
-            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
+        # if isinstance(data_in, torch.Tensor):  # fbank
+        #     speech, speech_lengths = data_in, data_lengths
+        #     if len(speech.shape) < 3:
+        #         speech = speech[None, :, :]
+        #     if speech_lengths is None:
+        #         speech_lengths = speech.shape[1]
+        # 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))
+        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)
+        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
         
-        speech.to(device=kwargs["device"]), speech_lengths.to(device=kwargs["device"])
+        speech = speech.to(device=kwargs["device"])
+        speech_lengths = speech_lengths.to(device=kwargs["device"])
         
         # Encoder
         encoder_out, encoder_out_lens = self.encode(speech, speech_lengths)
@@ -298,9 +300,11 @@
                 nbest_hyps = [Hypothesis(yseq=yseq, score=score)]
             for nbest_idx, hyp in enumerate(nbest_hyps):
                 ibest_writer = None
-                if ibest_writer is None and kwargs.get("output_dir") is not None:
-                    writer = DatadirWriter(kwargs.get("output_dir"))
-                    ibest_writer = writer[f"{nbest_idx + 1}best_recog"]
+                if kwargs.get("output_dir") is not None:
+                    if not hasattr(self, "writer"):
+                        self.writer = DatadirWriter(kwargs.get("output_dir"))
+                    ibest_writer = self.writer[f"{nbest_idx+1}best_recog"]
+                    
                 # remove sos/eos and get results
                 last_pos = -1
                 if isinstance(hyp.yseq, list):
@@ -337,4 +341,88 @@
                     result_i = {"key": key[i], "token_int": token_int}
                 results.append(result_i)
         
-        return results, meta_data
\ No newline at end of file
+        return results, meta_data
+
+    def export(
+        self,
+        max_seq_len=512,
+        **kwargs,
+    ):
+        self.device = kwargs.get("device")
+        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)
+    
+        decoder_class = tables.decoder_classes.get(kwargs["decoder"] + "Export")
+        self.decoder = decoder_class(self.decoder, onnx=is_onnx)
+    
+        from funasr.utils.torch_function import sequence_mask
+
+        self.make_pad_mask = sequence_mask(max_seq_len, flip=False)
+    
+    
+        self.forward = self.export_forward
+    
+        return self
+
+    def export_forward(
+        self,
+        speech: torch.Tensor,
+        speech_lengths: torch.Tensor,
+    ):
+        # a. To device
+        batch = {"speech": speech, "speech_lengths": speech_lengths}
+        batch = to_device(batch, device=self.device)
+    
+        enc, enc_len = self.encoder(**batch)
+        mask = self.make_pad_mask(enc_len)[:, None, :]
+        pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index = self.predictor(enc, mask)
+        pre_token_length = pre_token_length.round().type(torch.int32)
+    
+        decoder_out, _ = self.decoder(enc, enc_len, pre_acoustic_embeds, pre_token_length)
+        decoder_out = torch.log_softmax(decoder_out, dim=-1)
+    
+        # get predicted timestamps
+        us_alphas, us_cif_peak = self.predictor.get_upsample_timestmap(enc, mask, pre_token_length)
+    
+        return decoder_out, pre_token_length, us_alphas, us_cif_peak
+
+    def export_dummy_inputs(self):
+        speech = torch.randn(2, 30, 560)
+        speech_lengths = torch.tensor([6, 30], dtype=torch.int32)
+        return (speech, speech_lengths)
+
+    def export_input_names(self):
+        return ['speech', 'speech_lengths']
+
+    def export_output_names(self):
+        return ['logits', 'token_num', 'us_alphas', 'us_cif_peak']
+
+    def export_dynamic_axes(self):
+        return {
+            'speech': {
+                0: 'batch_size',
+                1: 'feats_length'
+            },
+            'speech_lengths': {
+                0: 'batch_size',
+            },
+            'logits': {
+                0: 'batch_size',
+                1: 'logits_length'
+            },
+            'us_alphas': {
+                0: 'batch_size',
+                1: 'alphas_length'
+            },
+            'us_cif_peak': {
+                0: 'batch_size',
+                1: 'alphas_length'
+            },
+        }
+
+    def export_name(self, ):
+        return "model.onnx"

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