From fcc9c89eaba9a4e36c54958aeedeec7ab3756cd7 Mon Sep 17 00:00:00 2001
From: 游雁 <zhifu.gzf@alibaba-inc.com>
Date: 星期一, 13 二月 2023 17:43:31 +0800
Subject: [PATCH] Merge branch 'main' of github.com:alibaba-damo-academy/FunASR add

---
 funasr/datasets/iterable_dataset.py |   43 ++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 40 insertions(+), 3 deletions(-)

diff --git a/funasr/datasets/iterable_dataset.py b/funasr/datasets/iterable_dataset.py
index 1fc9270..fa0adeb 100644
--- a/funasr/datasets/iterable_dataset.py
+++ b/funasr/datasets/iterable_dataset.py
@@ -11,7 +11,6 @@
 
 import kaldiio
 import numpy as np
-import soundfile
 import torch
 import torchaudio
 from torch.utils.data.dataset import IterableDataset
@@ -21,7 +20,7 @@
 from funasr.datasets.dataset import ESPnetDataset
 
 
-SUPPORT_AUDIO_TYPE_SETS = ['flac', 'mp3', 'm4a', 'ogg', 'opus', 'wav', 'wma']
+SUPPORT_AUDIO_TYPE_SETS = ['flac', 'mp3', 'ogg', 'opus', 'wav', 'pcm']
 
 def load_kaldi(input):
     retval = kaldiio.load_mat(input)
@@ -61,9 +60,14 @@
     array = np.frombuffer((middle_data.astype(dtype) - offset) / abs_max, dtype=np.float32)
     return array
 
+def load_pcm(input):
+    with open(input,"rb") as f:
+        bytes = f.read()
+    return load_bytes(bytes)
 
 DATA_TYPES = {
     "sound": lambda x: torchaudio.load(x)[0][0].numpy(),
+    "pcm": load_pcm,
     "kaldi_ark": load_kaldi,
     "bytes": load_bytes,
     "waveform": lambda x: x,
@@ -101,6 +105,7 @@
                 [str, Dict[str, np.ndarray]], Dict[str, np.ndarray]
             ] = None,
             float_dtype: str = "float32",
+            fs: dict = None,
             int_dtype: str = "long",
             key_file: str = None,
     ):
@@ -116,6 +121,7 @@
         self.float_dtype = float_dtype
         self.int_dtype = int_dtype
         self.key_file = key_file
+        self.fs = fs
 
         self.debug_info = {}
         non_iterable_list = []
@@ -175,6 +181,15 @@
             _type = self.path_name_type_list[0][2]
             func = DATA_TYPES[_type]
             array = func(value)
+            if self.fs is not None and name == "speech":
+                audio_fs = self.fs["audio_fs"]
+                model_fs = self.fs["model_fs"]
+                if audio_fs is not None and model_fs is not None:
+                    array = torch.from_numpy(array)
+                    array = array.unsqueeze(0)
+                    array = torchaudio.transforms.Resample(orig_freq=audio_fs,
+                                                   new_freq=model_fs)(array)
+                    array = array.squeeze(0).numpy()
             data[name] = array
 
             if self.preprocess is not None:
@@ -209,8 +224,20 @@
                 if audio_type not in SUPPORT_AUDIO_TYPE_SETS:
                     raise NotImplementedError(
                         f'Not supported audio type: {audio_type}')
+                if audio_type == "pcm":
+                    _type = "pcm"
+
             func = DATA_TYPES[_type]
             array = func(value)
+            if self.fs is not None and name == "speech":
+                audio_fs = self.fs["audio_fs"]
+                model_fs = self.fs["model_fs"]
+                if audio_fs is not None and model_fs is not None:
+                    array = torch.from_numpy(array)
+                    array = array.unsqueeze(0)
+                    array = torchaudio.transforms.Resample(orig_freq=audio_fs,
+                                                           new_freq=model_fs)(array)
+                    array = array.squeeze(0).numpy()
             data[name] = array
 
             if self.preprocess is not None:
@@ -299,9 +326,20 @@
                         if audio_type not in SUPPORT_AUDIO_TYPE_SETS:
                             raise NotImplementedError(
                                 f'Not supported audio type: {audio_type}')
+                        if audio_type == "pcm":
+                            _type = "pcm"
                     func = DATA_TYPES[_type]
                     # Load entry
                     array = func(value)
+                    if self.fs is not None and name == "speech":
+                        audio_fs = self.fs["audio_fs"]
+                        model_fs = self.fs["model_fs"]
+                        if audio_fs is not None and model_fs is not None:
+                            array = torch.from_numpy(array)
+                            array = array.unsqueeze(0)
+                            array = torchaudio.transforms.Resample(orig_freq=audio_fs,
+                                                                   new_freq=model_fs)(array)
+                            array = array.squeeze(0).numpy()
                     data[name] = array
                 if self.non_iterable_dataset is not None:
                     # 2.b. Load data from non-iterable dataset
@@ -335,4 +373,3 @@
 
         if count == 0:
             raise RuntimeError("No iteration")
-

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