From 23e7ddebccd3b05cf7ef89809bcfe565ad6dfa1f Mon Sep 17 00:00:00 2001
From: majic31 <majic31@163.com>
Date: 星期二, 24 十二月 2024 10:00:14 +0800
Subject: [PATCH] Fix the variable name (#2328)

---
 funasr/utils/load_utils.py |   41 +++++++++++++++++++++++++++++++++++++++++
 1 files changed, 41 insertions(+), 0 deletions(-)

diff --git a/funasr/utils/load_utils.py b/funasr/utils/load_utils.py
index 37b3dbf..1d80fcf 100644
--- a/funasr/utils/load_utils.py
+++ b/funasr/utils/load_utils.py
@@ -1,6 +1,7 @@
 import os
 import torch
 import json
+from io import BytesIO
 import torch.distributed as dist
 import numpy as np
 import kaldiio
@@ -17,6 +18,11 @@
 import pdb
 import subprocess
 from subprocess import CalledProcessError, run
+
+try:
+    from pydub import AudioSegment
+except:
+    pass
 
 
 def is_ffmpeg_installed():
@@ -136,6 +142,10 @@
 
 
 def load_bytes(input):
+    try:
+        input = validate_frame_rate(input)
+    except:
+        pass
     middle_data = np.frombuffer(input, dtype=np.int16)
     middle_data = np.asarray(middle_data)
     if middle_data.dtype.kind not in "iu":
@@ -151,6 +161,37 @@
     return array
 
 
+def validate_frame_rate(
+    input,
+    fs: int = 16000,
+):
+
+    # 灏嗘枃浠惰鍙栦负瀛楄妭娴�
+    byte_data = BytesIO(input)
+
+    # 浣跨敤 pydub 鍔犺浇闊抽
+    try:
+        audio = AudioSegment.from_file(byte_data)
+    except:
+        raise RuntimeError(
+            "You are decoding the pcm data, please install pydub first. via `pip install pydub`."
+        )
+
+    # 纭繚閲囨牱鐜囦负 16000 Hz
+    if audio.frame_rate != fs:
+        audio = audio.set_frame_rate(fs)
+
+        # 灏嗛噸鏂伴噰鏍峰悗鐨勯煶棰戝鍑轰负瀛楄妭娴�
+        output = BytesIO()
+        audio.export(output, format="wav")
+        output.seek(0)
+
+        # 鑾峰彇閲嶆柊閲囨牱鍚庣殑瀛楄妭娴佹暟鎹�
+        input = output.read()
+
+    return input
+
+
 def extract_fbank(data, data_len=None, data_type: str = "sound", frontend=None, **kwargs):
     if isinstance(data, np.ndarray):
         data = torch.from_numpy(data)

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