From b15db52e4e67da8a133a67e8ffa415386de48b40 Mon Sep 17 00:00:00 2001
From: zhuyunfeng <10596244@qq.com>
Date: 星期二, 09 五月 2023 23:03:15 +0800
Subject: [PATCH] Add contributor

---
 funasr/datasets/large_datasets/dataset.py |   82 ++++++++++++++++++++++++++++++++++------
 1 files changed, 69 insertions(+), 13 deletions(-)

diff --git a/funasr/datasets/large_datasets/dataset.py b/funasr/datasets/large_datasets/dataset.py
index 41d34ab..8c224d8 100644
--- a/funasr/datasets/large_datasets/dataset.py
+++ b/funasr/datasets/large_datasets/dataset.py
@@ -1,9 +1,10 @@
 import os
 import random
-import soundfile
+import numpy
 from functools import partial
 
 import torch
+import torchaudio
 import torch.distributed as dist
 from kaldiio import ReadHelper
 from torch.utils.data import IterableDataset
@@ -13,6 +14,7 @@
 from funasr.datasets.large_datasets.datapipes.map import MapperIterDataPipe
 from funasr.datasets.large_datasets.utils.filter import filter
 from funasr.datasets.large_datasets.utils.padding import padding
+from funasr.datasets.large_datasets.utils.clipping import clipping
 from funasr.datasets.large_datasets.utils.tokenize import tokenize
 
 
@@ -26,10 +28,11 @@
 
 
 class AudioDataset(IterableDataset):
-    def __init__(self, scp_lists, data_names, data_types, shuffle=True, mode="train"):
+    def __init__(self, scp_lists, data_names, data_types, frontend_conf=None, shuffle=True, mode="train"):
         self.scp_lists = scp_lists
         self.data_names = data_names
         self.data_types = data_types
+        self.frontend_conf = frontend_conf
         self.shuffle = shuffle
         self.mode = mode
         self.epoch = -1
@@ -98,9 +101,11 @@
                 if data_type == "kaldi_ark":
                     ark_reader = ReadHelper('ark:{}'.format(data_file))
                     reader_list.append(ark_reader)
-                elif data_type == "text" or data_type == "sound":
+                elif data_type == "text" or data_type == "sound" or data_type == 'text_hotword':
                     text_reader = open(data_file, "r")
                     reader_list.append(text_reader)
+                elif data_type == "none":
+                    continue
                 else:
                     raise TypeError("Data type {} is not supported".format(data_type))
 
@@ -114,21 +119,38 @@
                             sample_dict["key"] = key
                     elif data_type == "sound":
                         key, path = item.strip().split()
-                        mat, sampling_rate = soundfile.read(path)
+                        waveform, sampling_rate = torchaudio.load(path)
+                        if self.frontend_conf is not None:
+                            if sampling_rate != self.frontend_conf["fs"]:
+                                waveform = torchaudio.transforms.Resample(orig_freq=sampling_rate,
+                                                                          new_freq=self.frontend_conf["fs"])(waveform)
+                                sampling_rate = self.frontend_conf["fs"] 
+                        waveform = waveform.numpy()
+                        mat = waveform[0]
                         sample_dict[data_name] = mat
                         sample_dict["sampling_rate"] = sampling_rate
                         if data_name == "speech":
                             sample_dict["key"] = key
+                    elif data_type == "text_hotword":
+                        text = item
+                        segs = text.strip().split()
+                        sample_dict[data_name] = segs[1:]
+                        if "key" not in sample_dict:
+                            sample_dict["key"] = segs[0]
+                        sample_dict['hw_tag'] = 1
                     else:
                         text = item
-                        sample_dict[data_name] = text.strip().split()[1:]
+                        segs = text.strip().split()
+                        sample_dict[data_name] = segs[1:]
+                        if "key" not in sample_dict:
+                            sample_dict["key"] = segs[0]
                 yield sample_dict
 
             self.close_reader(reader_list)
 
 
 def len_fn_example(data):
-    return len(data)
+    return 1
 
 
 def len_fn_token(data):
@@ -142,21 +164,50 @@
 def Dataset(data_list_file,
             dict,
             seg_dict,
+            punc_dict,
+            bpe_tokenizer,
             conf,
-            mode="train"):
+            frontend_conf,
+            mode="train",
+            batch_mode="padding"):
     scp_lists = read_lists(data_list_file)
     shuffle = conf.get('shuffle', True)
     data_names = conf.get("data_names", "speech,text")
     data_types = conf.get("data_types", "kaldi_ark,text")
-    dataset = AudioDataset(scp_lists, data_names, data_types, shuffle=shuffle, mode=mode)
+
+    pre_hwfile = conf.get("pre_hwlist", None)
+    pre_prob = conf.get("pre_prob", 0)  # unused yet
+
+    hw_config = {"sample_rate": conf.get("sample_rate", 0.6),
+                 "double_rate": conf.get("double_rate", 0.1),
+                 "hotword_min_length": conf.get("hotword_min_length", 2),
+                 "hotword_max_length": conf.get("hotword_max_length", 8),
+                 "pre_prob": conf.get("pre_prob", 0.0)}
+
+    if pre_hwfile is not None:
+        pre_hwlist = []
+        with open(pre_hwfile, 'r') as fin:
+            for line in fin.readlines():
+                pre_hwlist.append(line.strip())
+    else:
+        pre_hwlist = None
+
+    dataset = AudioDataset(scp_lists, 
+                           data_names, 
+                           data_types, 
+                           frontend_conf=frontend_conf, 
+                           shuffle=shuffle, 
+                           mode=mode, 
+                           )
 
     filter_conf = conf.get('filter_conf', {})
     filter_fn = partial(filter, **filter_conf)
     dataset = FilterIterDataPipe(dataset, fn=filter_fn)
 
-    vocab = {'vocab': dict, 'seg_dict': seg_dict}
-    tokenize_fn = partial(tokenize, **vocab)
-    dataset = MapperIterDataPipe(dataset, fn=tokenize_fn)
+    if "text" in data_names:
+        vocab = {'vocab': dict, 'seg_dict': seg_dict, 'punc_dict': punc_dict, 'bpe_tokenizer': bpe_tokenizer, 'hw_config': hw_config}
+        tokenize_fn = partial(tokenize, **vocab)
+        dataset = MapperIterDataPipe(dataset, fn=tokenize_fn)
 
     if shuffle:
         buffer_conf = conf.get('shuffle_conf', {})
@@ -180,8 +231,13 @@
                                              batch_size=batch_size,
                                              len_fn=len_fn,
                                              buffer_size=buffer_size,
-                                             sort_size=sort_size)
+                                             sort_size=sort_size,
+                                             batch_mode=batch_mode)
 
-    dataset = MapperIterDataPipe(dataset, fn=padding)
+    int_pad_value = conf.get("int_pad_value", -1)
+    float_pad_value = conf.get("float_pad_value", 0.0)
+    padding_conf = {"int_pad_value": int_pad_value, "float_pad_value": float_pad_value}
+    padding_fn = partial(padding, **padding_conf)
+    dataset = MapperIterDataPipe(dataset, fn=padding_fn if batch_mode == "padding" else clipping)
 
     return dataset

--
Gitblit v1.9.1