From bf4b3ef9cb95acaa2b92b98f236c4f3228cdbc2d Mon Sep 17 00:00:00 2001
From: hnluo <haoneng.lhn@alibaba-inc.com>
Date: 星期四, 21 九月 2023 16:30:43 +0800
Subject: [PATCH] Merge pull request #976 from alibaba-damo-academy/dev_lhn

---
 funasr/bin/asr_inference_launch.py |   84 ++++++++++++++++++++++++++++++++---------
 1 files changed, 65 insertions(+), 19 deletions(-)

diff --git a/funasr/bin/asr_inference_launch.py b/funasr/bin/asr_inference_launch.py
index ea0f221..50b9886 100644
--- a/funasr/bin/asr_inference_launch.py
+++ b/funasr/bin/asr_inference_launch.py
@@ -427,7 +427,7 @@
                         else:
                             text_postprocessed, word_lists = postprocessed_result[0], postprocessed_result[1]
                         item = {'key': key, 'value': text_postprocessed}
-                        if timestamp_postprocessed != "" or len(timestamp) == 0:
+                        if timestamp_postprocessed != "":
                             item['timestamp'] = timestamp_postprocessed
                         asr_result_list.append(item)
                         finish_count += 1
@@ -652,7 +652,7 @@
             batch_size_token_ms_cum = 0
             beg_idx = 0
             beg_asr_total = time.time()
-            for j, _ in tqdm(enumerate(range(0, n))):
+            for j, _ in enumerate(tqdm(range(0, n))):
                 batch_size_token_ms_cum += (sorted_data[j][0][1] - sorted_data[j][0][0])
                 if j < n - 1 and (batch_size_token_ms_cum + sorted_data[j + 1][0][1] - sorted_data[j + 1][0][0]) < batch_size_token_ms and (sorted_data[j + 1][0][1] - sorted_data[j + 1][0][0]) < batch_size_token_threshold_s:
                     continue
@@ -719,7 +719,7 @@
             item = {'key': key, 'value': text_postprocessed_punc}
             if text_postprocessed != "":
                 item['text_postprocessed'] = text_postprocessed
-            if time_stamp_postprocessed != "" or len(time_stamp) == 0:
+            if time_stamp_postprocessed != "":
                 item['time_stamp'] = time_stamp_postprocessed
 
             item['sentences'] = time_stamp_sentence(punc_id_list, time_stamp_postprocessed, text_postprocessed)
@@ -842,37 +842,72 @@
             data = yaml.load(f, Loader=yaml.Loader)
         return data
 
-    def _prepare_cache(cache: dict = {}, chunk_size=[5, 10, 5], batch_size=1):
+    def _prepare_cache(cache: dict = {}, chunk_size=[5, 10, 5], encoder_chunk_look_back=0,
+                       decoder_chunk_look_back=0, batch_size=1):
         if len(cache) > 0:
             return cache
         config = _read_yaml(asr_train_config)
         enc_output_size = config["encoder_conf"]["output_size"]
         feats_dims = config["frontend_conf"]["n_mels"] * config["frontend_conf"]["lfr_m"]
         cache_en = {"start_idx": 0, "cif_hidden": torch.zeros((batch_size, 1, enc_output_size)),
-                    "cif_alphas": torch.zeros((batch_size, 1)), "chunk_size": chunk_size, "last_chunk": False,
+                    "cif_alphas": torch.zeros((batch_size, 1)), "chunk_size": chunk_size,
+                    "encoder_chunk_look_back": encoder_chunk_look_back, "last_chunk": False, "opt": None,
                     "feats": torch.zeros((batch_size, chunk_size[0] + chunk_size[2], feats_dims)), "tail_chunk": False}
         cache["encoder"] = cache_en
 
-        cache_de = {"decode_fsmn": None}
+        cache_de = {"decode_fsmn": None, "decoder_chunk_look_back": decoder_chunk_look_back, "opt": None, "chunk_size": chunk_size}
         cache["decoder"] = cache_de
 
         return cache
 
-    def _cache_reset(cache: dict = {}, chunk_size=[5, 10, 5], batch_size=1):
+    def _cache_reset(cache: dict = {}, chunk_size=[5, 10, 5], encoder_chunk_look_back=0,
+                     decoder_chunk_look_back=0, batch_size=1):
         if len(cache) > 0:
             config = _read_yaml(asr_train_config)
             enc_output_size = config["encoder_conf"]["output_size"]
             feats_dims = config["frontend_conf"]["n_mels"] * config["frontend_conf"]["lfr_m"]
             cache_en = {"start_idx": 0, "cif_hidden": torch.zeros((batch_size, 1, enc_output_size)),
-                        "cif_alphas": torch.zeros((batch_size, 1)), "chunk_size": chunk_size, "last_chunk": False,
-                        "feats": torch.zeros((batch_size, chunk_size[0] + chunk_size[2], feats_dims)),
-                        "tail_chunk": False}
+                        "cif_alphas": torch.zeros((batch_size, 1)), "chunk_size": chunk_size,
+                        "encoder_chunk_look_back": encoder_chunk_look_back, "last_chunk": False, "opt": None,
+                        "feats": torch.zeros((batch_size, chunk_size[0] + chunk_size[2], feats_dims)), "tail_chunk": False}
             cache["encoder"] = cache_en
 
-            cache_de = {"decode_fsmn": None}
+            cache_de = {"decode_fsmn": None, "decoder_chunk_look_back": decoder_chunk_look_back, "opt": None, "chunk_size": chunk_size}
             cache["decoder"] = cache_de
 
         return cache
+
+    #def _prepare_cache(cache: dict = {}, chunk_size=[5, 10, 5], batch_size=1):
+    #    if len(cache) > 0:
+    #        return cache
+    #    config = _read_yaml(asr_train_config)
+    #    enc_output_size = config["encoder_conf"]["output_size"]
+    #    feats_dims = config["frontend_conf"]["n_mels"] * config["frontend_conf"]["lfr_m"]
+    #    cache_en = {"start_idx": 0, "cif_hidden": torch.zeros((batch_size, 1, enc_output_size)),
+    #                "cif_alphas": torch.zeros((batch_size, 1)), "chunk_size": chunk_size, "last_chunk": False,
+    #                "feats": torch.zeros((batch_size, chunk_size[0] + chunk_size[2], feats_dims)), "tail_chunk": False}
+    #    cache["encoder"] = cache_en
+
+    #    cache_de = {"decode_fsmn": None}
+    #    cache["decoder"] = cache_de
+
+    #    return cache
+
+    #def _cache_reset(cache: dict = {}, chunk_size=[5, 10, 5], batch_size=1):
+    #    if len(cache) > 0:
+    #        config = _read_yaml(asr_train_config)
+    #        enc_output_size = config["encoder_conf"]["output_size"]
+    #        feats_dims = config["frontend_conf"]["n_mels"] * config["frontend_conf"]["lfr_m"]
+    #        cache_en = {"start_idx": 0, "cif_hidden": torch.zeros((batch_size, 1, enc_output_size)),
+    #                    "cif_alphas": torch.zeros((batch_size, 1)), "chunk_size": chunk_size, "last_chunk": False,
+    #                    "feats": torch.zeros((batch_size, chunk_size[0] + chunk_size[2], feats_dims)),
+    #                    "tail_chunk": False}
+    #        cache["encoder"] = cache_en
+
+    #        cache_de = {"decode_fsmn": None}
+    #        cache["decoder"] = cache_de
+
+    #    return cache
 
     def _forward(
             data_path_and_name_and_type,
@@ -901,24 +936,34 @@
         is_final = False
         cache = {}
         chunk_size = [5, 10, 5]
+        encoder_chunk_look_back = 0
+        decoder_chunk_look_back = 0
         if param_dict is not None and "cache" in param_dict:
             cache = param_dict["cache"]
         if param_dict is not None and "is_final" in param_dict:
             is_final = param_dict["is_final"]
         if param_dict is not None and "chunk_size" in param_dict:
             chunk_size = param_dict["chunk_size"]
+        if param_dict is not None and "encoder_chunk_look_back" in param_dict:
+            encoder_chunk_look_back = param_dict["encoder_chunk_look_back"]
+            if encoder_chunk_look_back > 0:
+                chunk_size[0] = 0
+        if param_dict is not None and "decoder_chunk_look_back" in param_dict:
+            decoder_chunk_look_back = param_dict["decoder_chunk_look_back"]
 
         # 7 .Start for-loop
         # FIXME(kamo): The output format should be discussed about
         raw_inputs = torch.unsqueeze(raw_inputs, axis=0)
         asr_result_list = []
-        cache = _prepare_cache(cache, chunk_size=chunk_size, batch_size=1)
+        cache = _prepare_cache(cache, chunk_size=chunk_size, encoder_chunk_look_back=encoder_chunk_look_back, 
+                               decoder_chunk_look_back=decoder_chunk_look_back, batch_size=1)
         item = {}
         if data_path_and_name_and_type is not None and data_path_and_name_and_type[2] == "sound":
             sample_offset = 0
             speech_length = raw_inputs.shape[1]
             stride_size = chunk_size[1] * 960
-            cache = _prepare_cache(cache, chunk_size=chunk_size, batch_size=1)
+            cache = _prepare_cache(cache, chunk_size=chunk_size, encoder_chunk_look_back=encoder_chunk_look_back, 
+                                   decoder_chunk_look_back=decoder_chunk_look_back, batch_size=1)
             final_result = ""
             for sample_offset in range(0, speech_length, min(stride_size, speech_length - sample_offset)):
                 if sample_offset + stride_size >= speech_length - 1:
@@ -939,7 +984,8 @@
 
         asr_result_list.append(item)
         if is_final:
-            cache = _cache_reset(cache, chunk_size=chunk_size, batch_size=1)
+            cache = _cache_reset(cache, chunk_size=chunk_size, encoder_chunk_look_back=encoder_chunk_look_back, 
+                                 decoder_chunk_look_back=decoder_chunk_look_back, batch_size=1)
         return asr_result_list
 
     return _forward
@@ -1297,7 +1343,7 @@
         quantize_modules: Optional[List[str]] = None,
         quantize_dtype: Optional[str] = "float16",
         streaming: Optional[bool] = False,
-        simu_streaming: Optional[bool] = False,
+        fake_streaming: Optional[bool] = False,
         full_utt: Optional[bool] = False,
         chunk_size: Optional[int] = 16,
         left_context: Optional[int] = 16,
@@ -1374,7 +1420,7 @@
         quantize_modules=quantize_modules,
         quantize_dtype=quantize_dtype,
         streaming=streaming,
-        simu_streaming=simu_streaming,
+        fake_streaming=fake_streaming,
         full_utt=full_utt,
         chunk_size=chunk_size,
         left_context=left_context,
@@ -1432,8 +1478,8 @@
                     final_hyps = speech2text.streaming_decode(
                         speech[_end: len(speech)], is_final=True
                     )
-                elif speech2text.simu_streaming:
-                    final_hyps = speech2text.simu_streaming_decode(**batch)
+                elif speech2text.fake_streaming:
+                    final_hyps = speech2text.fake_streaming_decode(**batch)
                 elif speech2text.full_utt:
                     final_hyps = speech2text.full_utt_decode(**batch)
                 else:
@@ -1823,7 +1869,7 @@
     group.add_argument("--lm_weight", type=float, default=1.0, help="RNNLM weight")
     group.add_argument("--ngram_weight", type=float, default=0.9, help="ngram weight")
     group.add_argument("--streaming", type=str2bool, default=False)
-    group.add_argument("--simu_streaming", type=str2bool, default=False)
+    group.add_argument("--fake_streaming", type=str2bool, default=False)
     group.add_argument("--full_utt", type=str2bool, default=False)
     group.add_argument("--chunk_size", type=int, default=16)
     group.add_argument("--left_context", type=int, default=16)

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