From 0f3571db844432bba5ee9fcfb0260c6bdd1e5a6d Mon Sep 17 00:00:00 2001
From: 游雁 <zhifu.gzf@alibaba-inc.com>
Date: 星期二, 16 五月 2023 09:40:10 +0800
Subject: [PATCH] inference

---
 funasr/bin/sv_inference_launch.py |  164 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 161 insertions(+), 3 deletions(-)

diff --git a/funasr/bin/sv_inference_launch.py b/funasr/bin/sv_inference_launch.py
index 8806070..24b8638 100755
--- a/funasr/bin/sv_inference_launch.py
+++ b/funasr/bin/sv_inference_launch.py
@@ -14,6 +14,164 @@
 from funasr.utils.types import str2bool
 from funasr.utils.types import str2triple_str
 from funasr.utils.types import str_or_none
+import argparse
+import logging
+import os
+import sys
+from pathlib import Path
+from typing import Any
+from typing import List
+from typing import Optional
+from typing import Sequence
+from typing import Tuple
+from typing import Union
+
+import numpy as np
+import torch
+from kaldiio import WriteHelper
+from typeguard import check_argument_types
+from typeguard import check_return_type
+
+from funasr.utils.cli_utils import get_commandline_args
+from funasr.tasks.sv import SVTask
+from funasr.tasks.asr import ASRTask
+from funasr.torch_utils.device_funcs import to_device
+from funasr.torch_utils.set_all_random_seed import set_all_random_seed
+from funasr.utils import config_argparse
+from funasr.utils.types import str2bool
+from funasr.utils.types import str2triple_str
+from funasr.utils.types import str_or_none
+from funasr.utils.misc import statistic_model_parameters
+from funasr.bin.sv_infer import Speech2Xvector
+
+def inference_sv(
+    output_dir: Optional[str] = None,
+    batch_size: int = 1,
+    dtype: str = "float32",
+    ngpu: int = 1,
+    seed: int = 0,
+    num_workers: int = 0,
+    log_level: Union[int, str] = "INFO",
+    key_file: Optional[str] = None,
+    sv_train_config: Optional[str] = "sv.yaml",
+    sv_model_file: Optional[str] = "sv.pb",
+    model_tag: Optional[str] = None,
+    allow_variable_data_keys: bool = True,
+    streaming: bool = False,
+    embedding_node: str = "resnet1_dense",
+    sv_threshold: float = 0.9465,
+    param_dict: Optional[dict] = None,
+    **kwargs,
+):
+    assert check_argument_types()
+    ncpu = kwargs.get("ncpu", 1)
+    torch.set_num_threads(ncpu)
+    
+    if batch_size > 1:
+        raise NotImplementedError("batch decoding is not implemented")
+    if ngpu > 1:
+        raise NotImplementedError("only single GPU decoding is supported")
+    
+    logging.basicConfig(
+        level=log_level,
+        format="%(asctime)s (%(module)s:%(lineno)d) %(levelname)s: %(message)s",
+    )
+    logging.info("param_dict: {}".format(param_dict))
+    
+    if ngpu >= 1 and torch.cuda.is_available():
+        device = "cuda"
+    else:
+        device = "cpu"
+    
+    # 1. Set random-seed
+    set_all_random_seed(seed)
+    
+    # 2. Build speech2xvector
+    speech2xvector_kwargs = dict(
+        sv_train_config=sv_train_config,
+        sv_model_file=sv_model_file,
+        device=device,
+        dtype=dtype,
+        streaming=streaming,
+        embedding_node=embedding_node
+    )
+    logging.info("speech2xvector_kwargs: {}".format(speech2xvector_kwargs))
+    speech2xvector = Speech2Xvector.from_pretrained(
+        model_tag=model_tag,
+        **speech2xvector_kwargs,
+    )
+    speech2xvector.sv_model.eval()
+    
+    def _forward(
+        data_path_and_name_and_type: Sequence[Tuple[str, str, str]] = None,
+        raw_inputs: Union[np.ndarray, torch.Tensor] = None,
+        output_dir_v2: Optional[str] = None,
+        param_dict: Optional[dict] = None,
+    ):
+        logging.info("param_dict: {}".format(param_dict))
+        if data_path_and_name_and_type is None and raw_inputs is not None:
+            if isinstance(raw_inputs, torch.Tensor):
+                raw_inputs = raw_inputs.numpy()
+            data_path_and_name_and_type = [raw_inputs, "speech", "waveform"]
+        
+        # 3. Build data-iterator
+        loader = ASRTask.build_streaming_iterator(
+            data_path_and_name_and_type,
+            dtype=dtype,
+            batch_size=batch_size,
+            key_file=key_file,
+            num_workers=num_workers,
+            preprocess_fn=None,
+            collate_fn=None,
+            allow_variable_data_keys=allow_variable_data_keys,
+            inference=True,
+        )
+        
+        # 7 .Start for-loop
+        output_path = output_dir_v2 if output_dir_v2 is not None else output_dir
+        embd_writer, ref_embd_writer, score_writer = None, None, None
+        if output_path is not None:
+            os.makedirs(output_path, exist_ok=True)
+            embd_writer = WriteHelper("ark,scp:{}/xvector.ark,{}/xvector.scp".format(output_path, output_path))
+        sv_result_list = []
+        for keys, batch in loader:
+            assert isinstance(batch, dict), type(batch)
+            assert all(isinstance(s, str) for s in keys), keys
+            _bs = len(next(iter(batch.values())))
+            assert len(keys) == _bs, f"{len(keys)} != {_bs}"
+            batch = {k: v[0] for k, v in batch.items() if not k.endswith("_lengths")}
+            
+            embedding, ref_embedding, score = speech2xvector(**batch)
+            # Only supporting batch_size==1
+            key = keys[0]
+            normalized_score = 0.0
+            if score is not None:
+                score = score.item()
+                normalized_score = max(score - sv_threshold, 0.0) / (1.0 - sv_threshold) * 100.0
+                item = {"key": key, "value": normalized_score}
+            else:
+                item = {"key": key, "value": embedding.squeeze(0).cpu().numpy()}
+            sv_result_list.append(item)
+            if output_path is not None:
+                embd_writer(key, embedding[0].cpu().numpy())
+                if ref_embedding is not None:
+                    if ref_embd_writer is None:
+                        ref_embd_writer = WriteHelper(
+                            "ark,scp:{}/ref_xvector.ark,{}/ref_xvector.scp".format(output_path, output_path)
+                        )
+                        score_writer = open(os.path.join(output_path, "score.txt"), "w")
+                    ref_embd_writer(key, ref_embedding[0].cpu().numpy())
+                    score_writer.write("{} {:.6f}\n".format(key, normalized_score))
+        
+        if output_path is not None:
+            embd_writer.close()
+            if ref_embd_writer is not None:
+                ref_embd_writer.close()
+                score_writer.close()
+        
+        return sv_result_list
+    
+    return _forward
 
 
 def get_parser():
@@ -133,8 +291,7 @@
 
 def inference_launch(mode, **kwargs):
     if mode == "sv":
-        from funasr.bin.sv_inference import inference_modelscope
-        return inference_modelscope(**kwargs)
+        return inference_sv(**kwargs)
     else:
         logging.info("Unknown decoding mode: {}".format(mode))
         return None
@@ -167,7 +324,8 @@
         os.environ["CUDA_DEVICE_ORDER"] = "PCI_BUS_ID"
         os.environ["CUDA_VISIBLE_DEVICES"] = gpuid
 
-    inference_launch(**kwargs)
+    inference_pipeline = inference_launch(**kwargs)
+    return inference_pipeline(kwargs["data_path_and_name_and_type"])
 
 
 if __name__ == "__main__":

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