Dev gcf (#1611)

* 添加默认对Speech和BGM的输出格式约束

* 推理时可以合并vad的切分

* fix

---------

Co-authored-by: 常材 <gaochangfeng.gcf@alibaba-inc.com>

funasr/auto/auto_model.py

@@ -21,6 +21,7 @@ from funasr.download.file import download_from_url
 from funasr.utils.timestamp_tools import timestamp_sentence
 from funasr.download.download_from_hub import download_model
 from funasr.utils.vad_utils import slice_padding_audio_samples
+from funasr.utils.vad_utils import merge_vad
 from funasr.utils.load_utils import load_audio_text_image_video
 from funasr.train_utils.set_all_random_seed import set_all_random_seed
 from funasr.train_utils.load_pretrained_model import load_pretrained_model
@@ -295,6 +296,10 @@ class AutoModel:
         res = self.inference(input, input_len=input_len, model=self.vad_model, kwargs=self.vad_kwargs, **cfg)
         end_vad = time.time()
 
+        #  FIX(gcf): concat the vad clips for sense vocie model for better aed
+        if kwargs.get("merge_vad", False):
+            for i in range(len(res)):
+                res[i]['value'] = merge_vad(res[i]['value'], kwargs.get("merge_length", 15000))
 
         # step.2 compute asr model
         model = self.model

funasr/models/sense_voice/whisper_lib/decoding.py

@@ -119,9 +119,9 @@ class DecodingOptions:
     suppress_blank: bool = True  # this will suppress blank outputs
 
     gain_event: bool = False  # this will suppress blank outputs
-    gain_tokens_bg: Optional[Union[str, List[int]]] = "<|Applause|><|Laughter|>"
-    gain_tokens_ed: Optional[Union[str, List[int]]] = "<|/Applause|><|/Laughter|>"
-    gain_tokens_score: List[float] = field(default_factory=lambda: [25.0, 5.0]) #[25, 5]
+    gain_tokens_bg: Optional[Union[str, List[int]]] = "<|Speech|><|BGM|><|Applause|><|Laughter|>"
+    gain_tokens_ed: Optional[Union[str, List[int]]] = "<|/Speech|><|/BGM|><|/Applause|><|/Laughter|>"
+    gain_tokens_score: List[float] = field(default_factory=lambda: [1, 1, 25.0, 5.0]) #[25, 5]
 
     use_emo_threshold: bool = False  # this will suppress blank outputs
     emo_unk_token: Optional[Union[str, List[int]]] = "<|SPECIAL_TOKEN_1|>"

funasr/utils/vad_utils.py

@@ -28,4 +28,27 @@ def slice_padding_audio_samples(speech, speech_lengths, vad_segments):
         speech_list.append(speech_i)
         speech_lengths_list.append(speech_lengths_i)
         
-    return speech_list, speech_lengths_list
+    return speech_list, speech_lengths_list
+
+def merge_vad(vad_result, max_length=15000):
+    new_result = []
+    time_step = [t[0] for t in vad_result] + [t[1] for t in vad_result]
+    time_step = sorted(list(set(time_step)))
+    if len(time_step) == 0:
+        return []
+    bg = 0
+    for i in range(len(time_step)-1):
+        time = time_step[i]
+        if time_step[i+1] - bg < max_length:
+            continue
+        if time - bg < max_length * 1.5:
+            new_result.append([bg, time])
+        else:
+            split_num = int(time - bg) // max_length + 1
+            spl_l = int(time - bg) // split_num
+            for j in range(split_num):
+                new_result.append([bg + j*spl_l, bg + (j+1)*spl_l])
+        bg = time
+    new_result.append([bg, time_step[-1]])
+    return new_result
+