Begin to add test for speaker recognition

.github/scripts/test-speaker-recognition-python.sh

@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+
+set -e
+
+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]}) $*"
+}
+
+d=/tmp/sr-models
+mkdir -p $d
+
+pushd $d
+log "Download test waves"
+git clone https://github.com/csukuangfj/sr-data
+popd
+
+log "Download wespeaker models"
+model_dir=$d/wespeaker
+mkdir -p $model_dir
+pushd $model_dir
+models=(
+en_voxceleb_CAM++.onnx
+en_voxceleb_CAM++_LM.onnx
+en_voxceleb_resnet152_LM.onnx
+en_voxceleb_resnet221_LM.onnx
+en_voxceleb_resnet293_LM.onnx
+en_voxceleb_resnet34.onnx
+en_voxceleb_resnet34_LM.onnx
+zh_cnceleb_resnet34.onnx
+zh_cnceleb_resnet34_LM.onnx
+)
+for m in ${models[@]}; do
+  wget -q https://github.com/k2-fsa/sherpa-onnx/releases/download/speaker-recongition-models/$m
+done
+ls -lh
+popd
+
+log "Download 3d-speaker models"
+model_dir=$d/3dspeaker
+mkdir -p $model_dir
+pushd $model_dir
+models=(
+speech_campplus_sv_en_voxceleb_16k.onnx
+speech_campplus_sv_zh-cn_16k-common.onnx
+speech_eres2net_base_200k_sv_zh-cn_16k-common.onnx
+speech_eres2net_base_sv_zh-cn_3dspeaker_16k.onnx
+speech_eres2net_large_sv_zh-cn_3dspeaker_16k.onnx
+speech_eres2net_sv_en_voxceleb_16k.onnx
+speech_eres2net_sv_zh-cn_16k-common.onnx
+)
+for m in ${models[@]}; do
+  wget -q https://github.com/k2-fsa/sherpa-onnx/releases/download/speaker-recongition-models/$m
+done
+ls -lh
+popd
+
+
+python3 sherpa-onnx/python/tests/test_speaker_recognition.py --verbose

.github/workflows/run-python-test.yaml

@@ -76,6 +76,7 @@ jobs:
       - name: Test sherpa-onnx
         shell: bash
         run: |
+          .github/scripts/test-speaker-recognition-python.sh
           .github/scripts/test-python.sh
 
       - uses: actions/upload-artifact@v3

sherpa-onnx/python/tests/CMakeLists.txt

@@ -23,6 +23,7 @@ set(py_test_files
   test_offline_recognizer.py
   test_online_recognizer.py
   test_online_transducer_model_config.py
+  test_speaker_recognition.py
   test_text2token.py
 )
 

sherpa-onnx/python/tests/test_speaker_recognition.py

@@ -0,0 +1,194 @@
+# sherpa-onnx/python/tests/test_speaker_recognition.py
+#
+# Copyright (c)  2024  Xiaomi Corporation
+#
+# To run this single test, use
+#
+#  ctest --verbose -R  test_speaker_recognition_py
+
+import unittest
+import wave
+from collections import defaultdict
+from pathlib import Path
+from typing import Tuple
+
+import numpy as np
+import sherpa_onnx
+
+d = "/tmp/sr-models"
+
+
+def read_wave(wave_filename: str) -> Tuple[np.ndarray, int]:
+    """
+    Args:
+      wave_filename:
+        Path to a wave file. It should be single channel and each sample should
+        be 16-bit. Its sample rate does not need to be 16kHz.
+    Returns:
+      Return a tuple containing:
+       - A 1-D array of dtype np.float32 containing the samples, which are
+       normalized to the range [-1, 1].
+       - sample rate of the wave file
+    """
+
+    with wave.open(wave_filename) as f:
+        assert f.getnchannels() == 1, f.getnchannels()
+        assert f.getsampwidth() == 2, f.getsampwidth()  # it is in bytes
+        num_samples = f.getnframes()
+        samples = f.readframes(num_samples)
+        samples_int16 = np.frombuffer(samples, dtype=np.int16)
+        samples_float32 = samples_int16.astype(np.float32)
+
+        samples_float32 = samples_float32 / 32768
+        return samples_float32, f.getframerate()
+
+
+def load_speaker_embedding_model(model_filename):
+    config = sherpa_onnx.SpeakerEmbeddingExtractorConfig(
+        model=model_filename,
+        num_threads=1,
+        debug=True,
+        provider="cpu",
+    )
+    if not config.validate():
+        raise ValueError(f"Invalid config. {config}")
+    extractor = sherpa_onnx.SpeakerEmbeddingExtractor(config)
+    return extractor
+
+
+def test_wespeaker_model(model_filename: str):
+    model_filename = str(model_filename)
+    if "en" in model_filename:
+        print(f"skip {model_filename}")
+        return
+    extractor = load_speaker_embedding_model(model_filename)
+    filenames = [
+        "leijun-sr-1",
+        "leijun-sr-2",
+        "fangjun-sr-1",
+        "fangjun-sr-2",
+        "fangjun-sr-3",
+    ]
+    tmp = defaultdict(list)
+    for filename in filenames:
+        print(filename)
+        name = filename.split("-", maxsplit=1)[0]
+        data, sample_rate = read_wave(f"/tmp/sr-models/sr-data/enroll/{filename}.wav")
+        stream = extractor.create_stream()
+        stream.accept_waveform(sample_rate=sample_rate, waveform=data)
+        stream.input_finished()
+        assert extractor.is_ready(stream)
+        embedding = extractor.compute(stream)
+        embedding = np.array(embedding)
+        tmp[name].append(embedding)
+
+    manager = sherpa_onnx.SpeakerEmbeddingManager(extractor.dim)
+    for name, embedding_list in tmp.items():
+        print(name, len(embedding_list))
+        embedding = sum(embedding_list) / len(embedding_list)
+        status = manager.add(name, embedding)
+        if not status:
+            raise RuntimeError(f"Failed to register speaker {name}")
+
+    filenames = [
+        "leijun-test-sr-1",
+        "leijun-test-sr-2",
+        "leijun-test-sr-3",
+        "fangjun-test-sr-1",
+        "fangjun-test-sr-2",
+    ]
+    for filename in filenames:
+        name = filename.split("-", maxsplit=1)[0]
+        data, sample_rate = read_wave(f"/tmp/sr-models/sr-data/test/{filename}.wav")
+        stream = extractor.create_stream()
+        stream.accept_waveform(sample_rate=sample_rate, waveform=data)
+        stream.input_finished()
+        assert extractor.is_ready(stream)
+        embedding = extractor.compute(stream)
+        embedding = np.array(embedding)
+        status = manager.verify(name, embedding, threshold=0.5)
+        if not status:
+            raise RuntimeError(f"Failed to verify {name} with wave {filename}.wav")
+
+        ans = manager.search(embedding, threshold=0.5)
+        assert ans == name, (name, ans)
+
+
+def test_3dspeaker_model(model_filename: str):
+    extractor = load_speaker_embedding_model(str(model_filename))
+    manager = sherpa_onnx.SpeakerEmbeddingManager(extractor.dim)
+
+    filenames = [
+        "speaker1_a_cn_16k",
+        "speaker2_a_cn_16k",
+        "speaker1_a_en_16k",
+        "speaker2_a_en_16k",
+    ]
+    for filename in filenames:
+        name = filename.rsplit("_", maxsplit=1)[0]
+        data, sample_rate = read_wave(
+            f"/tmp/sr-models/sr-data/test/3d-speaker/{filename}.wav"
+        )
+        stream = extractor.create_stream()
+        stream.accept_waveform(sample_rate=sample_rate, waveform=data)
+        stream.input_finished()
+        assert extractor.is_ready(stream)
+        embedding = extractor.compute(stream)
+        embedding = np.array(embedding)
+
+        status = manager.add(name, embedding)
+        if not status:
+            raise RuntimeError(f"Failed to register speaker {name}")
+
+    filenames = [
+        "speaker1_b_cn_16k",
+        "speaker1_b_en_16k",
+    ]
+    for filename in filenames:
+        print(filename)
+        name = filename.rsplit("_", maxsplit=1)[0]
+        name = name.replace("b_cn", "a_cn")
+        name = name.replace("b_en", "a_en")
+        print(name)
+
+        data, sample_rate = read_wave(
+            f"/tmp/sr-models/sr-data/test/3d-speaker/{filename}.wav"
+        )
+        stream = extractor.create_stream()
+        stream.accept_waveform(sample_rate=sample_rate, waveform=data)
+        stream.input_finished()
+        assert extractor.is_ready(stream)
+        embedding = extractor.compute(stream)
+        embedding = np.array(embedding)
+        status = manager.verify(name, embedding, threshold=0.5)
+        if not status:
+            raise RuntimeError(
+                f"Failed to verify {name} with wave {filename}.wav. model: {model_filename}"
+            )
+
+        ans = manager.search(embedding, threshold=0.5)
+        assert ans == name, (name, ans)
+
+
+class TestSpeakerRecognition(unittest.TestCase):
+    def test_wespeaker_models(self):
+        model_dir = Path(d) / "wespeaker"
+        if not model_dir.is_dir():
+            print(f"{model_dir} does not exist - skip it")
+            return
+        for filename in model_dir.glob("*.onnx"):
+            print(filename)
+            test_wespeaker_model(filename)
+
+    def test_3dpeaker_models(self):
+        model_dir = Path(d) / "3dspeaker"
+        if not model_dir.is_dir():
+            print(f"{model_dir} does not exist - skip it")
+            return
+        for filename in model_dir.glob("*.onnx"):
+            print(filename)
+            test_3dspeaker_model(filename)
+
+
+if __name__ == "__main__":
+    unittest.main()