C++ API for speaker diarization (#1396)

.github/scripts/test-speaker-diarization.sh

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+
+set -ex
+
+log() {
+  # This function is from espnet
+  local fname=${BASH_SOURCE[1]##*/}
+  echo -e "$(date '+%Y-%m-%d %H:%M:%S') (${fname}:${BASH_LINENO[0]}:${FUNCNAME[1]}) $*"
+}
+
+echo "EXE is $EXE"
+echo "PATH: $PATH"
+
+which $EXE
+
+curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/speaker-segmentation-models/sherpa-onnx-pyannote-segmentation-3-0.tar.bz2
+tar xvf sherpa-onnx-pyannote-segmentation-3-0.tar.bz2
+rm sherpa-onnx-pyannote-segmentation-3-0.tar.bz2
+
+curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/speaker-recongition-models/3dspeaker_speech_eres2net_base_sv_zh-cn_3dspeaker_16k.onnx
+
+curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/speaker-segmentation-models/0-four-speakers-zh.wav
+
+log "specify number of clusters"
+$EXE \
+  --clustering.num-clusters=4 \
+  --segmentation.pyannote-model=./sherpa-onnx-pyannote-segmentation-3-0/model.onnx \
+  --embedding.model=./3dspeaker_speech_eres2net_base_sv_zh-cn_3dspeaker_16k.onnx \
+  ./0-four-speakers-zh.wav
+
+log "specify threshold for clustering"
+
+$EXE \
+  --clustering.cluster-threshold=0.90 \
+  --segmentation.pyannote-model=./sherpa-onnx-pyannote-segmentation-3-0/model.onnx \
+  --embedding.model=./3dspeaker_speech_eres2net_base_sv_zh-cn_3dspeaker_16k.onnx \
+  ./0-four-speakers-zh.wav
+
+rm -rf sherpa-onnx-pyannote-*
+rm -fv *.onnx
+rm -fv *.wav