From c63486e0b9ea73e4dc828c2b2b877b323b043228 Mon Sep 17 00:00:00 2001
From: Zhihao Du <neo.dzh@alibaba-inc.com>
Date: 星期四, 03 八月 2023 10:15:11 +0800
Subject: [PATCH] Merge pull request #799 from alibaba-damo-academy/dev_dzh
---
egs/callhome/diarization/sond/script/calc_real_meeting_frame_labels.py | 101 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 101 insertions(+), 0 deletions(-)
diff --git a/egs/callhome/diarization/sond/script/calc_real_meeting_frame_labels.py b/egs/callhome/diarization/sond/script/calc_real_meeting_frame_labels.py
new file mode 100644
index 0000000..f295c0c
--- /dev/null
+++ b/egs/callhome/diarization/sond/script/calc_real_meeting_frame_labels.py
@@ -0,0 +1,101 @@
+import numpy as np
+from funasr.utils.job_runner import MultiProcessRunnerV3
+from funasr.utils.misc import load_scp_as_list, load_scp_as_dict
+import os
+import librosa
+import scipy.io as sio
+import argparse
+from collections import OrderedDict
+
+
+class MyRunner(MultiProcessRunnerV3):
+
+ def prepare(self, parser):
+ parser.add_argument("dir", type=str)
+ parser.add_argument("out_dir", type=str)
+ parser.add_argument("--n_spk", type=int, default=8)
+ parser.add_argument("--remove_sil", default=False, action="store_true")
+ parser.add_argument("--frame_shift", type=float, default=0.01)
+ args = parser.parse_args()
+ assert args.sr == 8000, "For callhome dataset, the sample rate should be 8000, use --sr 8000."
+
+ meeting_scp = load_scp_as_dict(os.path.join(args.dir, "wav.scp"))
+ meeting2rttm = self.load_rttm(args.dir)
+
+ if not os.path.exists(args.out_dir):
+ os.makedirs(args.out_dir)
+
+ task_list = [(mid, meeting_scp[mid], meeting2rttm[mid]) for mid in meeting2rttm.keys()]
+ return task_list, None, args
+
+ def load_rttm(self, dir_path):
+ meeting2rttm = OrderedDict()
+ if os.path.exists(os.path.join(dir_path, "rttm.scp")):
+ rttm_scp = load_scp_as_list(os.path.join(dir_path, "rttm.scp"))
+ for mid, rttm_path in rttm_scp:
+ meeting2rttm[mid] = []
+ for one_line in open(rttm_path, "rt"):
+ meeting2rttm[mid].append(one_line.strip())
+ elif os.path.exists(os.path.join(dir_path, "ref.rttm")):
+ for one_line in open(os.path.join(dir_path, "ref.rttm"), "rt"):
+ mid = one_line.strip().split(" ")[1]
+ if mid not in meeting2rttm:
+ meeting2rttm[mid] = []
+ meeting2rttm[mid].append(one_line.strip())
+ else:
+ raise IOError("Neither rttm.scp nor ref.rttm exists in {}".format(dir_path))
+
+ return meeting2rttm
+
+ def post(self, results_list, args):
+ pass
+
+
+def calc_labels(spk_turns, spk_list, length, n_spk, remove_sil=False, sr=8000, frame_shift=0.01):
+ frame_shift = int(frame_shift * sr)
+ num_frame = int((float(length) + (float(frame_shift) / 2)) / frame_shift)
+ multi_label = np.zeros([n_spk, num_frame], dtype=int)
+ for _, st, dur, spk in spk_turns:
+ idx = spk_list.index(spk)
+
+ st, dur = int(st * sr), int(dur * sr)
+ frame_st = int((float(st) + (float(frame_shift) / 2)) / frame_shift)
+ frame_ed = int((float(st+dur) + (float(frame_shift) / 2)) / frame_shift)
+ multi_label[idx, frame_st:frame_ed] = 1
+ if not remove_sil:
+ return multi_label.T
+
+ speech_count = np.sum(multi_label, axis=0)
+ idx = np.nonzero(speech_count)[0]
+ label = multi_label[:, idx].T
+ return label # (T, N)
+
+
+def build_labels(wav_path, rttms, n_spk, remove_sil=False, sr=8000, frame_shift=0.01):
+ wav_len = int(librosa.get_duration(filename=wav_path, sr=sr) * sr)
+ spk_turns = []
+ spk_list = []
+ for one_line in rttms:
+ parts = one_line.strip().split(" ")
+ mid, st, dur, spk = parts[1], float(parts[3]), float(parts[4]), parts[7]
+ if spk not in spk_list:
+ spk_list.append(spk)
+ spk_turns.append((mid, st, dur, spk))
+ labels = calc_labels(spk_turns, spk_list, wav_len, n_spk, remove_sil, sr, frame_shift)
+ return labels, spk_list
+
+
+def process(task_args):
+ _, task_list, _, args = task_args
+ for mid, wav_path, rttms in task_list:
+ meeting_labels, spk_list = build_labels(wav_path, rttms, args.n_spk, args.remove_sil,
+ args.sr, args.frame_shift)
+ save_path = os.path.join(args.out_dir, "{}.lbl.mat".format(mid))
+ sio.savemat(save_path, {"labels": meeting_labels.astype(bool), "spk_list": spk_list})
+ # print mid
+ return None
+
+
+if __name__ == '__main__':
+ my_runner = MyRunner(process)
+ my_runner.run()
--
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