mirror of
https://github.com/modelscope/FunASR
synced 2025-09-15 14:48:36 +08:00
227 lines
9.9 KiB
Python
227 lines
9.9 KiB
Python
import logging
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import os
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import shutil
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from multiprocessing import Pool
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import kaldiio
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import numpy as np
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import torch.distributed as dist
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import torchaudio
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def filter_wav_text(data_dir, dataset):
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wav_file = os.path.join(data_dir, dataset, "wav.scp")
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text_file = os.path.join(data_dir, dataset, "text")
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with open(wav_file) as f_wav, open(text_file) as f_text:
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wav_lines = f_wav.readlines()
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text_lines = f_text.readlines()
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os.rename(wav_file, "{}.bak".format(wav_file))
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os.rename(text_file, "{}.bak".format(text_file))
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wav_dict = {}
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for line in wav_lines:
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parts = line.strip().split()
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if len(parts) < 2:
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continue
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wav_dict[parts[0]] = parts[1]
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text_dict = {}
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for line in text_lines:
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parts = line.strip().split()
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if len(parts) < 2:
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continue
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text_dict[parts[0]] = " ".join(parts[1:])
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filter_count = 0
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with open(wav_file, "w") as f_wav, open(text_file, "w") as f_text:
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for sample_name, wav_path in wav_dict.items():
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if sample_name in text_dict.keys():
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f_wav.write(sample_name + " " + wav_path + "\n")
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f_text.write(sample_name + " " + text_dict[sample_name] + "\n")
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else:
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filter_count += 1
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logging.info("{}/{} samples in {} are filtered because of the mismatch between wav.scp and text".
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format(filter_count, len(wav_lines), dataset))
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def wav2num_frame(wav_path, frontend_conf):
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waveform, sampling_rate = torchaudio.load(wav_path)
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n_frames = (waveform.shape[1] * 1000.0) / (sampling_rate * frontend_conf["frame_shift"] * frontend_conf["lfr_n"])
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feature_dim = frontend_conf["n_mels"] * frontend_conf["lfr_m"]
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return n_frames, feature_dim
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def calc_shape_core(root_path, args, idx):
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file_name = args.data_file_names.split(",")[0]
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data_name = args.dataset_conf.get("data_names", "speech,text").split(",")[0]
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scp_file = os.path.join(root_path, "{}.{}".format(file_name, idx))
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shape_file = os.path.join(root_path, "{}_shape.{}".format(data_name, idx))
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with open(scp_file) as f:
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lines = f.readlines()
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data_type = args.dataset_conf.get("data_types", "sound,text").split(",")[0]
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if data_type == "sound":
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frontend_conf = args.frontend_conf
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dataset_conf = args.dataset_conf
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length_min = dataset_conf.speech_length_min if hasattr(dataset_conf, "{}_length_min".format(data_name)) else -1
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length_max = dataset_conf.speech_length_max if hasattr(dataset_conf, "{}_length_max".format(data_name)) else -1
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with open(shape_file, "w") as f:
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for line in lines:
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sample_name, wav_path = line.strip().split()
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n_frames, feature_dim = wav2num_frame(wav_path, frontend_conf)
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write_flag = True
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if n_frames > 0 and length_min > 0:
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write_flag = n_frames >= length_min
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if n_frames > 0 and length_max > 0:
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write_flag = n_frames <= length_max
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if write_flag:
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f.write("{} {},{}\n".format(sample_name, str(int(np.ceil(n_frames))), str(int(feature_dim))))
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f.flush()
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elif data_type == "kaldi_ark":
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dataset_conf = args.dataset_conf
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length_min = dataset_conf.speech_length_min if hasattr(dataset_conf, "{}_length_min".format(data_name)) else -1
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length_max = dataset_conf.speech_length_max if hasattr(dataset_conf, "{}_length_max".format(data_name)) else -1
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with open(shape_file, "w") as f:
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for line in lines:
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sample_name, feature_path = line.strip().split()
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feature = kaldiio.load_mat(feature_path)
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n_frames, feature_dim = feature.shape
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if n_frames > 0 and length_min > 0:
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write_flag = n_frames >= length_min
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if n_frames > 0 and length_max > 0:
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write_flag = n_frames <= length_max
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if write_flag:
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f.write("{} {},{}\n".format(sample_name, str(int(np.ceil(n_frames))), str(int(feature_dim))))
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f.flush()
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elif data_type == "text":
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with open(shape_file, "w") as f:
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for line in lines:
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sample_name, text = line.strip().split(maxsplit=1)
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n_tokens = len(text.split())
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f.write("{} {}\n".format(sample_name, str(int(np.ceil(n_tokens)))))
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f.flush()
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else:
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raise RuntimeError("Unsupported data_type: {}".format(data_type))
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def calc_shape(args, dataset, nj=64):
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data_name = args.dataset_conf.get("data_names", "speech,text").split(",")[0]
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shape_path = os.path.join(args.data_dir, dataset, "{}_shape".format(data_name))
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if os.path.exists(shape_path):
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logging.info('Shape file for small dataset already exists.')
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return
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split_shape_path = os.path.join(args.data_dir, dataset, "{}_shape_files".format(data_name))
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if os.path.exists(split_shape_path):
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shutil.rmtree(split_shape_path)
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os.mkdir(split_shape_path)
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# split
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file_name = args.data_file_names.split(",")[0]
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scp_file = os.path.join(args.data_dir, dataset, file_name)
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with open(scp_file) as f:
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lines = f.readlines()
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num_lines = len(lines)
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num_job_lines = num_lines // nj
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start = 0
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for i in range(nj):
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end = start + num_job_lines
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file = os.path.join(split_shape_path, "{}.{}".format(file_name, str(i + 1)))
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with open(file, "w") as f:
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if i == nj - 1:
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f.writelines(lines[start:])
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else:
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f.writelines(lines[start:end])
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start = end
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p = Pool(nj)
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for i in range(nj):
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p.apply_async(calc_shape_core, args=(split_shape_path, args, str(i + 1)))
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logging.info("Generating shape files, please wait a few minutes...")
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p.close()
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p.join()
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# combine
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with open(shape_path, "w") as f:
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for i in range(nj):
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job_file = os.path.join(split_shape_path, "{}_shape.{}".format(data_name, str(i + 1)))
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with open(job_file) as job_f:
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lines = job_f.readlines()
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f.writelines(lines)
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logging.info('Generating shape files done.')
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def generate_data_list(args, data_dir, dataset, nj=64):
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data_names = args.dataset_conf.get("data_names", "speech,text").split(",")
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file_names = args.data_file_names.split(",")
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concat_data_name = "_".join(data_names)
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list_file = os.path.join(data_dir, dataset, "{}_data.list".format(concat_data_name))
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if os.path.exists(list_file):
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logging.info('Data list for large dataset already exists.')
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return
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split_path = os.path.join(data_dir, dataset, "split")
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if os.path.exists(split_path):
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shutil.rmtree(split_path)
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os.mkdir(split_path)
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data_lines_list = []
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for file_name in file_names:
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with open(os.path.join(data_dir, dataset, file_name)) as f:
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lines = f.readlines()
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data_lines_list.append(lines)
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num_lines = len(data_lines_list[0])
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num_job_lines = num_lines // nj
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start = 0
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for i in range(nj):
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end = start + num_job_lines
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split_path_nj = os.path.join(split_path, str(i + 1))
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os.mkdir(split_path_nj)
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for file_id, file_name in enumerate(file_names):
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file = os.path.join(split_path_nj, file_name)
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with open(file, "w") as f:
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if i == nj - 1:
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f.writelines(data_lines_list[file_id][start:])
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else:
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f.writelines(data_lines_list[file_id][start:end])
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start = end
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with open(list_file, "w") as f_data:
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for i in range(nj):
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path = ""
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for file_name in file_names:
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path = path + os.path.join(split_path, str(i + 1), file_name)
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f_data.write(path + "\n")
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def prepare_data(args, distributed_option):
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distributed = distributed_option.distributed
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if not distributed or distributed_option.dist_rank == 0:
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if hasattr(args, "filter_input") and args.filter_input:
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filter_wav_text(args.data_dir, args.train_set)
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filter_wav_text(args.data_dir, args.valid_set)
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if args.dataset_type == "small":
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calc_shape(args, args.train_set)
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calc_shape(args, args.valid_set)
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if args.dataset_type == "large":
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generate_data_list(args, args.data_dir, args.train_set)
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generate_data_list(args, args.data_dir, args.valid_set)
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data_names = args.dataset_conf.get("data_names", "speech,text").split(",")
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data_types = args.dataset_conf.get("data_types", "sound,text").split(",")
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file_names = args.data_file_names.split(",")
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print("data_names: {}, data_types: {}, file_names: {}".format(data_names, data_types, file_names))
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assert len(data_names) == len(data_types) == len(file_names)
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if args.dataset_type == "small":
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args.train_shape_file = [os.path.join(args.data_dir, args.train_set, "{}_shape".format(data_names[0]))]
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args.valid_shape_file = [os.path.join(args.data_dir, args.valid_set, "{}_shape".format(data_names[0]))]
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args.train_data_path_and_name_and_type, args.valid_data_path_and_name_and_type = [], []
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for file_name, data_name, data_type in zip(file_names, data_names, data_types):
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args.train_data_path_and_name_and_type.append(
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["{}/{}/{}".format(args.data_dir, args.train_set, file_name), data_name, data_type])
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args.valid_data_path_and_name_and_type.append(
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["{}/{}/{}".format(args.data_dir, args.valid_set, file_name), data_name, data_type])
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else:
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concat_data_name = "_".join(data_names)
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args.train_data_file = os.path.join(args.data_dir, args.train_set, "{}_data.list".format(concat_data_name))
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args.valid_data_file = os.path.join(args.data_dir, args.valid_set, "{}_data.list".format(concat_data_name))
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if distributed:
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dist.barrier()
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