| | |
| | | import os |
| | | import shutil |
| | | from multiprocessing import Pool |
| | | |
| | | from modelscope.pipelines import pipeline |
| | | from modelscope.utils.constant import Tasks |
| | | |
| | | if __name__ == "__main__": |
| | | audio_in = "https://isv-data.oss-cn-hangzhou.aliyuncs.com/ics/MaaS/ASR/test_audio/asr_example_fa.wav" |
| | | output_dir = "./results" |
| | | from funasr.utils.compute_wer import compute_wer |
| | | |
| | | |
| | | def modelscope_infer_core(output_dir, split_dir, njob, idx): |
| | | output_dir_job = os.path.join(output_dir, "output.{}".format(idx)) |
| | | gpu_id = (int(idx) - 1) // njob |
| | | if "CUDA_VISIBLE_DEVICES" in os.environ.keys(): |
| | | gpu_list = os.environ['CUDA_VISIBLE_DEVICES'].split(",") |
| | | os.environ['CUDA_VISIBLE_DEVICES'] = str(gpu_list[gpu_id]) |
| | | else: |
| | | os.environ['CUDA_VISIBLE_DEVICES'] = str(gpu_id) |
| | | inference_pipline = pipeline( |
| | | task=Tasks.auto_speech_recognition, |
| | | model="damo/speech_UniASR_asr_2pass-fa-16k-common-vocab1257-pytorch-online", |
| | | output_dir=output_dir, |
| | | output_dir=output_dir_job, |
| | | batch_size=1 |
| | | ) |
| | | rec_result = inference_pipline(audio_in=audio_in) |
| | | print(rec_result) |
| | | audio_in = os.path.join(split_dir, "wav.{}.scp".format(idx)) |
| | | inference_pipline(audio_in=audio_in) |
| | | |
| | | |
| | | def modelscope_infer(params): |
| | | # prepare for multi-GPU decoding |
| | | ngpu = params["ngpu"] |
| | | njob = params["njob"] |
| | | output_dir = params["output_dir"] |
| | | if os.path.exists(output_dir): |
| | | shutil.rmtree(output_dir) |
| | | os.mkdir(output_dir) |
| | | split_dir = os.path.join(output_dir, "split") |
| | | os.mkdir(split_dir) |
| | | nj = ngpu * njob |
| | | wav_scp_file = os.path.join(params["data_dir"], "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(split_dir, "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(modelscope_infer_core, |
| | | args=(output_dir, split_dir, njob, str(i + 1))) |
| | | p.close() |
| | | p.join() |
| | | |
| | | # combine decoding results |
| | | best_recog_path = os.path.join(output_dir, "1best_recog") |
| | | os.mkdir(best_recog_path) |
| | | files = ["text", "token", "score"] |
| | | for file in files: |
| | | with open(os.path.join(best_recog_path, file), "w") as f: |
| | | for i in range(nj): |
| | | job_file = os.path.join(output_dir, "output.{}/1best_recog".format(str(i + 1)), file) |
| | | with open(job_file) as f_job: |
| | | lines = f_job.readlines() |
| | | f.writelines(lines) |
| | | |
| | | # If text exists, compute CER |
| | | text_in = os.path.join(params["data_dir"], "text") |
| | | if os.path.exists(text_in): |
| | | text_proc_file = os.path.join(best_recog_path, "token") |
| | | compute_wer(text_in, text_proc_file, os.path.join(best_recog_path, "text.cer")) |
| | | os.system("tail -n 3 {}".format(os.path.join(best_recog_path, "text.cer"))) |
| | | |
| | | |
| | | if __name__ == "__main__": |
| | | params = {} |
| | | params["data_dir"] = "./data/test" |
| | | params["output_dir"] = "./results" |
| | | params["ngpu"] = 1 |
| | | params["njob"] = 8 |
| | | modelscope_infer(params) |