From 4a7a984a5f3e3f894f86ce82e76ddd13d8a42a20 Mon Sep 17 00:00:00 2001
From: zhifu gao <zhifu.gzf@alibaba-inc.com>
Date: 星期一, 11 三月 2024 17:56:30 +0800
Subject: [PATCH] Dev gzf (#1465)

---
 funasr/models/ct_transformer_streaming/model.py |  103 +++++++++++++++++++++++++++++++++++++++++++--------
 1 files changed, 87 insertions(+), 16 deletions(-)

diff --git a/funasr/models/ct_transformer_streaming/model.py b/funasr/models/ct_transformer_streaming/model.py
index 5254d15..a9b2efb 100644
--- a/funasr/models/ct_transformer_streaming/model.py
+++ b/funasr/models/ct_transformer_streaming/model.py
@@ -1,20 +1,28 @@
-from typing import Any
-from typing import List
-from typing import Tuple
-from typing import Optional
-import numpy as np
-import torch.nn.functional as F
+#!/usr/bin/env python3
+# -*- encoding: utf-8 -*-
+# Copyright FunASR (https://github.com/alibaba-damo-academy/FunASR). All Rights Reserved.
+#  MIT License  (https://opensource.org/licenses/MIT)
 
-from funasr.models.transformer.utils.nets_utils import make_pad_mask
-from funasr.train_utils.device_funcs import force_gatherable
-from funasr.train_utils.device_funcs import to_device
 import torch
-import torch.nn as nn
-from funasr.models.ct_transformer.utils import split_to_mini_sentence, split_words
-from funasr.utils.load_utils import load_audio_text_image_video
-from funasr.models.ct_transformer.model import CTTransformer
+import numpy as np
+from contextlib import contextmanager
+from distutils.version import LooseVersion
 
 from funasr.register import tables
+from funasr.train_utils.device_funcs import to_device
+from funasr.models.ct_transformer.model import CTTransformer
+from funasr.utils.load_utils import load_audio_text_image_video
+from funasr.models.ct_transformer.utils import split_to_mini_sentence, split_words
+
+
+if LooseVersion(torch.__version__) >= LooseVersion("1.6.0"):
+    from torch.cuda.amp import autocast
+else:
+    # Nothing to do if torch<1.6.0
+    @contextmanager
+    def autocast(enabled=True):
+        yield
+
 
 @tables.register("model_classes", "CTTransformerStreaming")
 class CTTransformerStreaming(CTTransformer):
@@ -47,10 +55,8 @@
 
     def with_vad(self):
         return True
-
-
     
-    def generate(self,
+    def inference(self,
                  data_in,
                  data_lengths=None,
                  key: list = None,
@@ -167,3 +173,68 @@
     
         return results, meta_data
 
+    def export(
+        self,
+        **kwargs,
+    ):
+    
+        is_onnx = kwargs.get("type", "onnx") == "onnx"
+        encoder_class = tables.encoder_classes.get(kwargs["encoder"] + "Export")
+        self.encoder = encoder_class(self.encoder, onnx=is_onnx)
+    
+        self.forward = self._export_forward
+    
+        return self
+
+    def _export_forward(self, inputs: torch.Tensor,
+                text_lengths: torch.Tensor,
+                vad_indexes: torch.Tensor,
+                sub_masks: torch.Tensor,
+                ):
+        """Compute loss value from buffer sequences.
+
+        Args:
+            input (torch.Tensor): Input ids. (batch, len)
+            hidden (torch.Tensor): Target ids. (batch, len)
+
+        """
+        x = self.embed(inputs)
+        # mask = self._target_mask(input)
+        h, _ = self.encoder(x, text_lengths, vad_indexes, sub_masks)
+        y = self.decoder(h)
+        return y
+
+    def export_dummy_inputs(self):
+        length = 120
+        text_indexes = torch.randint(0, self.embed.num_embeddings, (1, length)).type(torch.int32)
+        text_lengths = torch.tensor([length], dtype=torch.int32)
+        vad_mask = torch.ones(length, length, dtype=torch.float32)[None, None, :, :]
+        sub_masks = torch.ones(length, length, dtype=torch.float32)
+        sub_masks = torch.tril(sub_masks).type(torch.float32)
+        return (text_indexes, text_lengths, vad_mask, sub_masks[None, None, :, :])
+
+    def export_input_names(self):
+        return ['inputs', 'text_lengths', 'vad_masks', 'sub_masks']
+
+    def export_output_names(self):
+        return ['logits']
+
+    def export_dynamic_axes(self):
+        return {
+            'inputs': {
+                1: 'feats_length'
+            },
+            'vad_masks': {
+                2: 'feats_length1',
+                3: 'feats_length2'
+            },
+            'sub_masks': {
+                2: 'feats_length1',
+                3: 'feats_length2'
+            },
+            'logits': {
+                1: 'logits_length'
+            },
+        }
+    def export_name(self):
+        return "model.onnx"

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