shixian.shi
2024-01-15 3fcb5dcfede0103d2465dd85a2ef6b77af58c7bc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
import json
import time
import torch
import hydra
import random
import string
import logging
import os.path
from tqdm import tqdm
from omegaconf import DictConfig, OmegaConf, ListConfig
 
from funasr.register import tables
from funasr.utils.load_utils import load_bytes
from funasr.download.file import download_from_url
from funasr.download.download_from_hub import download_model
from funasr.utils.vad_utils import slice_padding_audio_samples
from funasr.train_utils.set_all_random_seed import set_all_random_seed
from funasr.train_utils.load_pretrained_model import load_pretrained_model
from funasr.utils.load_utils import load_audio_text_image_video, extract_fbank
from funasr.utils.timestamp_tools import timestamp_sentence
from funasr.models.campplus.utils import sv_chunk, postprocess, distribute_spk
from funasr.models.campplus.cluster_backend import ClusterBackend
 
 
def prepare_data_iterator(data_in, input_len=None, data_type=None, key=None):
    """
    
    :param input:
    :param input_len:
    :param data_type:
    :param frontend:
    :return:
    """
    data_list = []
    key_list = []
    filelist = [".scp", ".txt", ".json", ".jsonl"]
    
    chars = string.ascii_letters + string.digits
    if isinstance(data_in, str) and data_in.startswith('http'): # url
        data_in = download_from_url(data_in)
    if isinstance(data_in, str) and os.path.exists(data_in): # wav_path; filelist: wav.scp, file.jsonl;text.txt;
        _, file_extension = os.path.splitext(data_in)
        file_extension = file_extension.lower()
        if file_extension in filelist: #filelist: wav.scp, file.jsonl;text.txt;
            with open(data_in, encoding='utf-8') as fin:
                for line in fin:
                    key = "rand_key_" + ''.join(random.choice(chars) for _ in range(13))
                    if data_in.endswith(".jsonl"): #file.jsonl: json.dumps({"source": data})
                        lines = json.loads(line.strip())
                        data = lines["source"]
                        key = data["key"] if "key" in data else key
                    else: # filelist, wav.scp, text.txt: id \t data or data
                        lines = line.strip().split(maxsplit=1)
                        data = lines[1] if len(lines)>1 else lines[0]
                        key = lines[0] if len(lines)>1 else key
                    
                    data_list.append(data)
                    key_list.append(key)
        else:
            key = "rand_key_" + ''.join(random.choice(chars) for _ in range(13))
            data_list = [data_in]
            key_list = [key]
    elif isinstance(data_in, (list, tuple)):
        if data_type is not None and isinstance(data_type, (list, tuple)): # mutiple inputs
            data_list_tmp = []
            for data_in_i, data_type_i in zip(data_in, data_type):
                key_list, data_list_i = prepare_data_iterator(data_in=data_in_i, data_type=data_type_i)
                data_list_tmp.append(data_list_i)
            data_list = []
            for item in zip(*data_list_tmp):
                data_list.append(item)
        else:
            # [audio sample point, fbank, text]
            data_list = data_in
            key_list = ["rand_key_" + ''.join(random.choice(chars) for _ in range(13)) for _ in range(len(data_in))]
    else: # raw text; audio sample point, fbank; bytes
        if isinstance(data_in, bytes): # audio bytes
            data_in = load_bytes(data_in)
        if key is None:
            key = "rand_key_" + ''.join(random.choice(chars) for _ in range(13))
        data_list = [data_in]
        key_list = [key]
    
    return key_list, data_list
 
@hydra.main(config_name=None, version_base=None)
def main_hydra(cfg: DictConfig):
    def to_plain_list(cfg_item):
        if isinstance(cfg_item, ListConfig):
            return OmegaConf.to_container(cfg_item, resolve=True)
        elif isinstance(cfg_item, DictConfig):
            return {k: to_plain_list(v) for k, v in cfg_item.items()}
        else:
            return cfg_item
    
    kwargs = to_plain_list(cfg)
    log_level = getattr(logging, kwargs.get("log_level", "INFO").upper())
 
    logging.basicConfig(level=log_level)
 
    if kwargs.get("debug", False):
        import pdb; pdb.set_trace()
    model = AutoModel(**kwargs)
    res = model(input=kwargs["input"])
    print(res)
 
class AutoModel:
    
    def __init__(self, **kwargs):
        tables.print()
        
        model, kwargs = self.build_model(**kwargs)
        
        # if vad_model is not None, build vad model else None
        vad_model = kwargs.get("vad_model", None)
        vad_kwargs = kwargs.get("vad_model_revision", None)
        if vad_model is not None:
            logging.info("Building VAD model.")
            vad_kwargs = {"model": vad_model, "model_revision": vad_kwargs}
            vad_model, vad_kwargs = self.build_model(**vad_kwargs)
 
        # if punc_model is not None, build punc model else None
        punc_model = kwargs.get("punc_model", None)
        punc_kwargs = kwargs.get("punc_model_revision", None)
        if punc_model is not None:
            logging.info("Building punc model.")
            punc_kwargs = {"model": punc_model, "model_revision": punc_kwargs}
            punc_model, punc_kwargs = self.build_model(**punc_kwargs)
 
        # if spk_model is not None, build spk model else None
        spk_model = kwargs.get("spk_model", None)
        spk_kwargs = kwargs.get("spk_model_revision", None)
        if spk_model is not None:
            logging.info("Building SPK model.")
            spk_kwargs = {"model": spk_model, "model_revision": spk_kwargs}
            spk_model, spk_kwargs = self.build_model(**spk_kwargs)
            self.cb_model = ClusterBackend()
            spk_mode = kwargs.get("spk_mode", 'punc_segment')
            if spk_mode not in ["default", "vad_segment", "punc_segment"]:
                logging.error("spk_mode should be one of default, vad_segment and punc_segment.")
            self.spk_mode = spk_mode
            self.preset_spk_num = kwargs.get("preset_spk_num", None)
            if self.preset_spk_num:
                logging.warning("Using preset speaker number: {}".format(self.preset_spk_num))
            logging.warning("Many to print when using speaker model...")
            
        self.kwargs = kwargs
        self.model = model
        self.vad_model = vad_model
        self.vad_kwargs = vad_kwargs
        self.punc_model = punc_model
        self.punc_kwargs = punc_kwargs
        self.spk_model = spk_model
        self.spk_kwargs = spk_kwargs
        self.model_path = kwargs["model_path"]
  
        
    def build_model(self, **kwargs):
        assert "model" in kwargs
        if "model_conf" not in kwargs:
            logging.info("download models from model hub: {}".format(kwargs.get("model_hub", "ms")))
            kwargs = download_model(**kwargs)
        
        set_all_random_seed(kwargs.get("seed", 0))
        
        device = kwargs.get("device", "cuda")
        if not torch.cuda.is_available() or kwargs.get("ngpu", 0):
            device = "cpu"
            # kwargs["batch_size"] = 1
        kwargs["device"] = device
        
        if kwargs.get("ncpu", None):
            torch.set_num_threads(kwargs.get("ncpu"))
        
        # build tokenizer
        tokenizer = kwargs.get("tokenizer", None)
        if tokenizer is not None:
            tokenizer_class = tables.tokenizer_classes.get(tokenizer)
            tokenizer = tokenizer_class(**kwargs["tokenizer_conf"])
            kwargs["tokenizer"] = tokenizer
            kwargs["token_list"] = tokenizer.token_list
            vocab_size = len(tokenizer.token_list)
        else:
            vocab_size = -1
        
        # build frontend
        frontend = kwargs.get("frontend", None)
        if frontend is not None:
            frontend_class = tables.frontend_classes.get(frontend)
            frontend = frontend_class(**kwargs["frontend_conf"])
            kwargs["frontend"] = frontend
            kwargs["input_size"] = frontend.output_size()
        
        # build model
        model_class = tables.model_classes.get(kwargs["model"])
        model = model_class(**kwargs, **kwargs["model_conf"], vocab_size=vocab_size)
        model.eval()
        model.to(device)
        
        # init_param
        init_param = kwargs.get("init_param", None)
        if init_param is not None:
            logging.info(f"Loading pretrained params from {init_param}")
            load_pretrained_model(
                model=model,
                init_param=init_param,
                ignore_init_mismatch=kwargs.get("ignore_init_mismatch", False),
                oss_bucket=kwargs.get("oss_bucket", None),
            )
        
        return model, kwargs
    
    def __call__(self, input, input_len=None, **cfg):
        if self.vad_model is None:
            return self.generate(input, input_len=input_len, **cfg)
            
        else:
            return self.generate_with_vad(input, input_len=input_len, **cfg)
        
    def generate(self, input, input_len=None, model=None, kwargs=None, key=None, **cfg):
        kwargs = self.kwargs if kwargs is None else kwargs
        kwargs.update(cfg)
        model = self.model if model is None else model
 
        batch_size = kwargs.get("batch_size", 1)
        # if kwargs.get("device", "cpu") == "cpu":
        #     batch_size = 1
        
        key_list, data_list = prepare_data_iterator(input, input_len=input_len, data_type=kwargs.get("data_type", None), key=key)
        
        speed_stats = {}
        asr_result_list = []
        num_samples = len(data_list)
        pbar = tqdm(colour="blue", total=num_samples+1, dynamic_ncols=True)
        time_speech_total = 0.0
        time_escape_total = 0.0
        for beg_idx in range(0, num_samples, batch_size):
            end_idx = min(num_samples, beg_idx + batch_size)
            data_batch = data_list[beg_idx:end_idx]
            key_batch = key_list[beg_idx:end_idx]
            batch = {"data_in": data_batch, "key": key_batch}
            if (end_idx - beg_idx) == 1 and isinstance(data_batch[0], torch.Tensor): # fbank
                batch["data_in"] = data_batch[0]
                batch["data_lengths"] = input_len
        
            time1 = time.perf_counter()
            with torch.no_grad():
                results, meta_data = model.inference(**batch, **kwargs)
            time2 = time.perf_counter()
            
            asr_result_list.extend(results)
            pbar.update(1)
            
            # batch_data_time = time_per_frame_s * data_batch_i["speech_lengths"].sum().item()
            batch_data_time = meta_data.get("batch_data_time", -1)
            time_escape = time2 - time1
            speed_stats["load_data"] = meta_data.get("load_data", 0.0)
            speed_stats["extract_feat"] = meta_data.get("extract_feat", 0.0)
            speed_stats["forward"] = f"{time_escape:0.3f}"
            speed_stats["batch_size"] = f"{len(results)}"
            speed_stats["rtf"] = f"{(time_escape) / batch_data_time:0.3f}"
            description = (
                f"{speed_stats}, "
            )
            pbar.set_description(description)
            time_speech_total += batch_data_time
            time_escape_total += time_escape
            
        pbar.update(1)
        pbar.set_description(f"rtf_avg: {time_escape_total/time_speech_total:0.3f}")
        torch.cuda.empty_cache()
        return asr_result_list
    
    def generate_with_vad(self, input, input_len=None, **cfg):
        
        # step.1: compute the vad model
        self.vad_kwargs.update(cfg)
        beg_vad = time.time()
        res = self.generate(input, input_len=input_len, model=self.vad_model, kwargs=self.vad_kwargs, **cfg)
        end_vad = time.time()
        print(f"time cost vad: {end_vad - beg_vad:0.3f}")
 
 
        # step.2 compute asr model
        model = self.model
        kwargs = self.kwargs
        kwargs.update(cfg)
        batch_size = int(kwargs.get("batch_size_s", 300))*1000
        batch_size_threshold_ms = int(kwargs.get("batch_size_threshold_s", 60))*1000
        kwargs["batch_size"] = batch_size
        
        key_list, data_list = prepare_data_iterator(input, input_len=input_len, data_type=kwargs.get("data_type", None))
        results_ret_list = []
        time_speech_total_all_samples = 0.0
 
        beg_total = time.time()
        pbar_total = tqdm(colour="red", total=len(res) + 1, dynamic_ncols=True)
        for i in range(len(res)):
            key = res[i]["key"]
            vadsegments = res[i]["value"]
            input_i = data_list[i]
            speech = load_audio_text_image_video(input_i, fs=kwargs["frontend"].fs, audio_fs=kwargs.get("fs", 16000))
            speech_lengths = len(speech)
            n = len(vadsegments)
            data_with_index = [(vadsegments[i], i) for i in range(n)]
            sorted_data = sorted(data_with_index, key=lambda x: x[0][1] - x[0][0])
            results_sorted = []
            
            if not len(sorted_data):
                logging.info("decoding, utt: {}, empty speech".format(key))
                continue
            
 
            # if kwargs["device"] == "cpu":
            #     batch_size = 0
            if len(sorted_data) > 0 and len(sorted_data[0]) > 0:
                batch_size = max(batch_size, sorted_data[0][0][1] - sorted_data[0][0][0])
            
            batch_size_ms_cum = 0
            beg_idx = 0
            beg_asr_total = time.time()
            time_speech_total_per_sample = speech_lengths/16000
            time_speech_total_all_samples += time_speech_total_per_sample
 
            for j, _ in enumerate(range(0, n)):
                batch_size_ms_cum += (sorted_data[j][0][1] - sorted_data[j][0][0])
                if j < n - 1 and (
                    batch_size_ms_cum + sorted_data[j + 1][0][1] - sorted_data[j + 1][0][0]) < batch_size and (
                    sorted_data[j + 1][0][1] - sorted_data[j + 1][0][0]) < batch_size_threshold_ms:
                    continue
                batch_size_ms_cum = 0
                end_idx = j + 1
                speech_j, speech_lengths_j = slice_padding_audio_samples(speech, speech_lengths, sorted_data[beg_idx:end_idx])       
                results = self.generate(speech_j, input_len=None, model=model, kwargs=kwargs, **cfg)
                if self.spk_model is not None:
                    all_segments = []
                    # compose vad segments: [[start_time_sec, end_time_sec, speech], [...]]
                    for _b in range(len(speech_j)):
                        vad_segments = [[sorted_data[beg_idx:end_idx][_b][0][0]/1000.0, \
                                        sorted_data[beg_idx:end_idx][_b][0][1]/1000.0, \
                                        speech_j[_b]]]
                        segments = sv_chunk(vad_segments)
                        all_segments.extend(segments)
                        speech_b = [i[2] for i in segments]
                        spk_res = self.generate(speech_b, input_len=None, model=self.spk_model, kwargs=kwargs, **cfg)
                        results[_b]['spk_embedding'] = spk_res[0]['spk_embedding']
                beg_idx = end_idx
                if len(results) < 1:
                    continue
                results_sorted.extend(results)
 
 
            pbar_total.update(1)
            end_asr_total = time.time()
            time_escape_total_per_sample = end_asr_total - beg_asr_total
            pbar_total.set_description(f"rtf_avg_per_sample: {time_escape_total_per_sample / time_speech_total_per_sample:0.3f}, "
                                 f"time_speech_total_per_sample: {time_speech_total_per_sample: 0.3f}, "
                                 f"time_escape_total_per_sample: {time_escape_total_per_sample:0.3f}")
 
            restored_data = [0] * n
            for j in range(n):
                index = sorted_data[j][1]
                restored_data[index] = results_sorted[j]
            result = {}
            
            # results combine for texts, timestamps, speaker embeddings and others
            # TODO: rewrite for clean code
            for j in range(n):
                for k, v in restored_data[j].items():
                    if k.startswith("timestamp"):
                        if k not in result:
                            result[k] = []
                        for t in restored_data[j][k]:
                            t[0] += vadsegments[j][0]
                            t[1] += vadsegments[j][0]
                        result[k].extend(restored_data[j][k])
                    elif k == 'spk_embedding':
                        if k not in result:
                            result[k] = restored_data[j][k]
                        else:
                            result[k] = torch.cat([result[k], restored_data[j][k]], dim=0)
                    elif k == 'text':
                        if k not in result:
                            result[k] = restored_data[j][k]
                        else:
                            result[k] += " " + restored_data[j][k]
                    else:
                        if k not in result:
                            result[k] = restored_data[j][k]
                        else:
                            result[k] += restored_data[j][k]
                            
            # step.3 compute punc model
            if self.punc_model is not None:
                self.punc_kwargs.update(cfg)
                punc_res = self.generate(result["text"], model=self.punc_model, kwargs=self.punc_kwargs, **cfg)
                result["text_with_punc"] = punc_res[0]["text"]
                     
            # speaker embedding cluster after resorted
            if self.spk_model is not None:
                all_segments = sorted(all_segments, key=lambda x: x[0])
                spk_embedding = result['spk_embedding']
                labels = self.cb_model(spk_embedding, oracle_num=self.preset_spk_num)
                del result['spk_embedding']
                sv_output = postprocess(all_segments, None, labels, spk_embedding.cpu())
                if self.spk_mode == 'vad_segment':
                    sentence_list = []
                    for res, vadsegment in zip(restored_data, vadsegments):
                        sentence_list.append({"start": vadsegment[0],\
                                                "end": vadsegment[1],
                                                "sentence": res['text'],
                                                "timestamp": res['timestamp']})
                else: # punc_segment
                    sentence_list = timestamp_sentence(punc_res[0]['punc_array'], \
                                                        result['timestamp'], \
                                                        result['text'])
                distribute_spk(sentence_list, sv_output)
                result['sentence_info'] = sentence_list
                    
            result["key"] = key
            results_ret_list.append(result)
            pbar_total.update(1)
            
        pbar_total.update(1)
        end_total = time.time()
        time_escape_total_all_samples = end_total - beg_total
        pbar_total.set_description(f"rtf_avg_all_samples: {time_escape_total_all_samples / time_speech_total_all_samples:0.3f}, "
                             f"time_speech_total_all_samples: {time_speech_total_all_samples: 0.3f}, "
                             f"time_escape_total_all_samples: {time_escape_total_all_samples:0.3f}")
        return results_ret_list
 
 
class AutoFrontend:
    def __init__(self, **kwargs):
        assert "model" in kwargs
        if "model_conf" not in kwargs:
            logging.info("download models from model hub: {}".format(kwargs.get("model_hub", "ms")))
            kwargs = download_model(**kwargs)
        
        # build frontend
        frontend = kwargs.get("frontend", None)
        if frontend is not None:
            frontend_class = tables.frontend_classes.get(frontend)
            frontend = frontend_class(**kwargs["frontend_conf"])
 
        self.frontend = frontend
        if "frontend" in kwargs:
            del kwargs["frontend"]
        self.kwargs = kwargs
 
    
    def __call__(self, input, input_len=None, kwargs=None, **cfg):
        
        kwargs = self.kwargs if kwargs is None else kwargs
        kwargs.update(cfg)
 
 
        key_list, data_list = prepare_data_iterator(input, input_len=input_len)
        batch_size = kwargs.get("batch_size", 1)
        device = kwargs.get("device", "cpu")
        if device == "cpu":
            batch_size = 1
        
        meta_data = {}
        
        result_list = []
        num_samples = len(data_list)
        pbar = tqdm(colour="blue", total=num_samples + 1, dynamic_ncols=True)
        
        time0 = time.perf_counter()
        for beg_idx in range(0, num_samples, batch_size):
            end_idx = min(num_samples, beg_idx + batch_size)
            data_batch = data_list[beg_idx:end_idx]
            key_batch = key_list[beg_idx:end_idx]
 
            # extract fbank feats
            time1 = time.perf_counter()
            audio_sample_list = load_audio_text_image_video(data_batch, fs=self.frontend.fs, audio_fs=kwargs.get("fs", 16000))
            time2 = time.perf_counter()
            meta_data["load_data"] = f"{time2 - time1:0.3f}"
            speech, speech_lengths = extract_fbank(audio_sample_list, data_type=kwargs.get("data_type", "sound"),
                                                   frontend=self.frontend, **kwargs)
            time3 = time.perf_counter()
            meta_data["extract_feat"] = f"{time3 - time2:0.3f}"
            meta_data["batch_data_time"] = speech_lengths.sum().item() * self.frontend.frame_shift * self.frontend.lfr_n / 1000
            
            speech.to(device=device), speech_lengths.to(device=device)
            batch = {"input": speech, "input_len": speech_lengths, "key": key_batch}
            result_list.append(batch)
            
            pbar.update(1)
            description = (
                f"{meta_data}, "
            )
            pbar.set_description(description)
        
        time_end = time.perf_counter()
        pbar.set_description(f"time escaped total: {time_end - time0:0.3f}")
        
        return result_list
 
 
if __name__ == '__main__':
    main_hydra()