From 01df8f330ccc754223d5e2d688dc0a55d27f2dcc Mon Sep 17 00:00:00 2001
From: querryton <72929808+querryton@users.noreply.github.com>
Date: 星期六, 20 四月 2024 16:07:13 +0800
Subject: [PATCH] [fix] Fix a bug in seaco_paraformer model "inference" function (#1639)

---
 funasr/datasets/large_datasets/datapipes/map.py |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/funasr/datasets/large_datasets/datapipes/map.py b/funasr/datasets/large_datasets/datapipes/map.py
new file mode 100644
index 0000000..dfcd6a0
--- /dev/null
+++ b/funasr/datasets/large_datasets/datapipes/map.py
@@ -0,0 +1,22 @@
+from torch.utils.data import IterableDataset
+
+
+def default_fn(data):
+    return data
+
+
+class MapperIterDataPipe(IterableDataset):
+
+    def __init__(self,
+                 datapipe,
+                 fn=default_fn):
+        self.datapipe = datapipe
+        self.fn = fn
+
+    def set_epoch(self, epoch):
+        self.datapipe.set_epoch(epoch)
+
+    def __iter__(self):
+        assert callable(self.fn)
+        for data in self.datapipe:
+            yield self.fn(data)

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