| New file |
| | |
| | | import os |
| | | import logging |
| | | from multiprocessing import Pool |
| | | |
| | | import numpy as np |
| | | import torch.distributed as dist |
| | | |
| | | |
| | | def filter_wav_text(data_dir, dataset): |
| | | wav_file = os.path.join(data_dir, dataset, "wav.scp") |
| | | text_file = os.path.join(data_dir, dataset, "text") |
| | | with open(wav_file) as f_wav, open(text_file) as f_text: |
| | | wav_lines = f_wav.readlines() |
| | | text_lines = f_text.readlines() |
| | | os.rename(wav_file, "{}.bak".format(wav_file)) |
| | | os.rename(text_file, "{}.bak".format(text_file)) |
| | | wav_dict = {} |
| | | for line in wav_lines: |
| | | parts = line.strip().split() |
| | | if len(parts) < 2: |
| | | continue |
| | | wav_dict[parts[0]] = parts[1] |
| | | text_dict = {} |
| | | for line in text_lines: |
| | | parts = line.strip().split() |
| | | if len(parts) < 2: |
| | | continue |
| | | text_dict[parts[0]] = " ".join(parts[1:]).lower() |
| | | filter_count = 0 |
| | | with open(wav_file, "w") as f_wav, open(text_file, "w") as f_text: |
| | | for sample_name, wav_path in wav_dict.items(): |
| | | if sample_name in text_dict.keys(): |
| | | f_wav.write(sample_name + " " + wav_path + "\n") |
| | | f_text.write(sample_name + " " + text_dict[sample_name] + "\n") |
| | | else: |
| | | filter_count += 1 |
| | | logging.info("{}/{} samples in {} are filtered because of the mismatch between wav.scp and text".format(len(wav_lines), |
| | | filter_count, |
| | | dataset)) |
| | | |
| | | |
| | | def calc_shape_core(root_path, frontend_conf, speech_length_min, speech_length_max, idx): |
| | | wav_scp_file = os.path.join(root_path, "wav.scp.{}".format(idx)) |
| | | shape_file = os.path.join(root_path, "speech_shape.{}".format(idx)) |
| | | with open(wav_scp_file) as f: |
| | | lines = f.readlines() |
| | | with open(shape_file, "w") as f: |
| | | for line in lines: |
| | | sample_name, wav_path = line.strip().split() |
| | | n_frames, feature_dim, speech_length = wav2num_frame(wav_path, frontend_conf) |
| | | write_flag = True |
| | | if speech_length_min > 0 and speech_length < speech_length_min: |
| | | write_flag = False |
| | | if speech_length_max > 0 and speech_length > speech_length_max: |
| | | write_flag = False |
| | | if write_flag: |
| | | f.write("{} {},{}\n".format(sample_name, str(int(np.ceil(n_frames))), str(int(feature_dim)))) |
| | | f.flush() |
| | | |
| | | |
| | | def calc_shape(args, dataset, nj=32): |
| | | shape_path = os.path.join(args.data_dir, dataset, "speech_shape") |
| | | if os.path.exists(shape_path): |
| | | print('Shape file for small dataset already exists.') |
| | | return |
| | | os.makedirs(shape_path, exist_ok=True) |
| | | split_shape_path = os.path.join(args.data_dir, dataset, "shape_files") |
| | | if os.path.exists(shape_path): |
| | | assert os.path.exists(os.path.join(args.data_dir, dataset, "speech_shape")) |
| | | print('Shape file for small dataset already exists.') |
| | | return |
| | | os.makedirs(shape_path, exist_ok=True) |
| | | |
| | | # split |
| | | wav_scp_file = os.path.join(args.data_dir, dataset, "wav.scp") |
| | | with open(wav_scp_file) as f: |
| | | lines = f.readlines() |
| | | num_lines = len(lines) |
| | | num_job_lines = num_lines // nj |
| | | start = 0 |
| | | for i in range(nj): |
| | | end = start + num_job_lines |
| | | file = os.path.join(shape_path, "wav.scp.{}".format(str(i + 1))) |
| | | with open(file, "w") as f: |
| | | if i == nj - 1: |
| | | f.writelines(lines[start:]) |
| | | else: |
| | | f.writelines(lines[start:end]) |
| | | start = end |
| | | |
| | | p = Pool(nj) |
| | | for i in range(nj): |
| | | p.apply_async(calc_shape_core, |
| | | args=(shape_path, frontend_conf, speech_length_min, speech_length_max, str(i + 1))) |
| | | print('Generating shape files, please wait a few minutes...') |
| | | p.close() |
| | | p.join() |
| | | |
| | | # combine |
| | | file = os.path.join(data_dir, dataset, "speech_shape") |
| | | with open(file, "w") as f: |
| | | for i in range(nj): |
| | | job_file = os.path.join(shape_path, "speech_shape.{}".format(str(i + 1))) |
| | | with open(job_file) as job_f: |
| | | lines = job_f.readlines() |
| | | f.writelines(lines) |
| | | print('Generating shape files done.') |
| | | |
| | | |
| | | def prepare_data(args, distributed_option): |
| | | distributed = distributed_option.distributed |
| | | if not distributed or distributed_option.dist_rank == 0: |
| | | filter_wav_text(args.data_dir, args.train_set) |
| | | filter_wav_text(args.data_dir, args.dev_set) |
| | | dist.barrier() |
| | | |
| | | if args.dataset_type == "small" and args.train_shape_file is None: |