From 1cdb3cc28d4d89a576cc06e5cd8eb80da1f3a3aa Mon Sep 17 00:00:00 2001
From: zhifu gao <zhifu.gzf@alibaba-inc.com>
Date: 星期五, 26 四月 2024 11:27:39 +0800
Subject: [PATCH] Dev gzf exp (#1665)

---
 funasr/datasets/sense_voice_datasets/datasets.py |   56 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 55 insertions(+), 1 deletions(-)

diff --git a/funasr/datasets/sense_voice_datasets/datasets.py b/funasr/datasets/sense_voice_datasets/datasets.py
index 5468ea6..6d9b035 100644
--- a/funasr/datasets/sense_voice_datasets/datasets.py
+++ b/funasr/datasets/sense_voice_datasets/datasets.py
@@ -1,3 +1,5 @@
+import logging
+
 import torch
 import random
 
@@ -46,6 +48,9 @@
         self.float_pad_value = float_pad_value
         self.sos = kwargs.get("sos", "<|startoftranscript|>")
         self.eos = kwargs.get("eos", "<|endoftext|>")
+        self.batch_size = kwargs.get("batch_size")
+        self.batch_type = kwargs.get("batch_type")
+        self.prompt_ids_len = 0
 
     def get_source_len(self, index):
         item = self.index_ds[index]
@@ -69,6 +74,9 @@
         speech, speech_lengths = extract_fbank(
             data_src, data_type=self.data_type, frontend=self.frontend, is_final=True
         )  # speech: [b, T, d]
+
+        if speech_lengths > self.batch_size:
+            return None
         speech = speech.permute(0, 2, 1)
         target = item["target"]
         if self.preprocessor_text:
@@ -80,9 +88,12 @@
         prompt = f"{self.sos}{task}{text_language}"
         prompt_ids = self.tokenizer.encode(prompt, allowed_special="all")
         prompt_ids_len = len(prompt_ids) - 1  # [sos, task]
+        self.prompt_ids_len = prompt_ids_len
 
         target_ids = self.tokenizer.encode(target, allowed_special="all")
         target_ids_len = len(target_ids) + 1  # [lid, text]
+        if target_ids_len > 200:
+            return None
 
         eos = self.tokenizer.encode(self.eos, allowed_special="all")  # [eos]
 
@@ -95,23 +106,38 @@
         target_mask = (
             [0] * (prompt_ids_len) + [1] * (target_ids_len) + [1]
         )  # [sos, task, lid, text, eos]: [0, 0, 1, 1, 1]
+        target_mask_lengths = len(target_mask)
         target_mask = torch.tensor(target_mask, dtype=torch.float32)
-
+        target_mask_lengths = torch.tensor([target_mask_lengths], dtype=torch.int32)
         return {
             "speech": speech[0, :, :],
             "speech_lengths": speech_lengths,
             "text": text,
             "text_lengths": text_lengths,
             "target_mask": target_mask,
+            "target_mask_lengths": target_mask_lengths,
         }
 
     def collator(self, samples: list = None):
         outputs = {}
         for sample in samples:
+            if sample is None:
+                continue
             for key in sample.keys():
                 if key not in outputs:
                     outputs[key] = []
                 outputs[key].append(sample[key])
+
+        if len(outputs) < 1:
+            logging.info(f"ERROR: data is empty!")
+            outputs = {
+                "speech": torch.rand((10, 128), dtype=torch.float32),
+                "speech_lengths": torch.tensor([10], dtype=torch.int32),
+                "text": torch.tensor([58836], dtype=torch.int32),
+                "text_lengths": torch.tensor([1], dtype=torch.int32),
+                "target_mask": torch.tensor([[0] * (self.prompt_ids_len) + [1] * (1) + [1]]),
+            }
+            return outputs
 
         for key, data_list in outputs.items():
             if isinstance(data_list[0], torch.Tensor):
@@ -124,4 +150,32 @@
                 outputs[key] = torch.nn.utils.rnn.pad_sequence(
                     data_list, batch_first=True, padding_value=pad_value
                 )
+
+        if self.batch_type != "example":
+            for i in range(3):
+                outputs = self._filter_badcase(outputs, i=i)
+
+        return outputs
+
+    def _filter_badcase(self, outputs, i=0):
+        b, t, _ = outputs["speech"].shape
+        
+        if b * t > self.batch_size * 1.25:
+            beg = torch.randint(0, 2, ()).item()
+            if b < 2:
+                beg = 0
+            logging.info(
+                f"Warning, b * t: {b * t} > {self.batch_size}, drop half data {i}th, beg:{beg}"
+            )
+            for key, data_list in outputs.items():
+                outputs[key] = outputs[key][beg : beg + b : 2]
+
+                
+            speech_lengths_max = outputs["speech_lengths"].max().item()
+            outputs["speech"] = outputs["speech"][:, :speech_lengths_max, :]
+            text_lengths_max = outputs["text_lengths"].max().item()
+            outputs["text"] = outputs["text"][:, :text_lengths_max]
+            target_mask_lengths_max = outputs["target_mask_lengths"].max().item()
+            outputs["target_mask"] = outputs["target_mask"][:, :target_mask_lengths_max]
+
         return outputs

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