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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1 @@ | ||
| ../sherpa-onnx/kotlin-api/OfflineSpeakerDiarization.kt |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,53 @@ | ||
| package com.k2fsa.sherpa.onnx | ||
|
|
||
| fun main() { | ||
| testOfflineSpeakerDiarization() | ||
| } | ||
|
|
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| fun callback(numProcessedChunks: Int, numTotalChunks: Int, arg: Long): Int { | ||
| val progress = numProcessedChunks.toFloat() / numTotalChunks * 100 | ||
| val s = "%.2f".format(progress) | ||
| println("Progress: ${s}%"); | ||
|
|
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| return 0 | ||
| } | ||
|
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| fun testOfflineSpeakerDiarization() { | ||
| var config = OfflineSpeakerDiarizationConfig( | ||
| segmentation=OfflineSpeakerSegmentationModelConfig( | ||
| pyannote=OfflineSpeakerSegmentationPyannoteModelConfig("./sherpa-onnx-pyannote-segmentation-3-0/model.onnx"), | ||
| ), | ||
| embedding=SpeakerEmbeddingExtractorConfig( | ||
| model="./3dspeaker_speech_eres2net_base_sv_zh-cn_3dspeaker_16k.onnx", | ||
| ), | ||
|
|
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| // The test wave file ./0-four-speakers-zh.wav contains four speakers, so | ||
| // we use numClusters=4 here. If you don't know the number of speakers | ||
| // in the test wave file, please set the threshold like below. | ||
| // | ||
| // clustering=FastClusteringConfig(threshold=0.5), | ||
| // | ||
| // WARNING: You need to tune threshold by yourself. | ||
| // A larger threshold leads to fewer clusters, i.e., few speakers. | ||
| // A smaller threshold leads to more clusters, i.e., more speakers. | ||
| // | ||
| clustering=FastClusteringConfig(numClusters=4), | ||
| ) | ||
|
|
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| val sd = OfflineSpeakerDiarization(config=config) | ||
|
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| val waveData = WaveReader.readWave( | ||
| filename = "./0-four-speakers-zh.wav", | ||
| ) | ||
|
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| if (sd.sampleRate() != waveData.sampleRate) { | ||
| println("Expected sample rate: ${sd.sampleRate()}, given: ${waveData.sampleRate}") | ||
| return | ||
| } | ||
|
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| // val segments = sd.process(waveData.samples) // this one is also ok | ||
| val segments = sd.processWithCallback(waveData.samples, callback=::callback) | ||
| for (segment in segments) { | ||
| println("${segment.start} -- ${segment.end} speaker_${segment.speaker}") | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,219 @@ | ||
| // sherpa-onnx/jni/offline-speaker-diarization.cc | ||
| // | ||
| // Copyright (c) 2024 Xiaomi Corporation | ||
|
|
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| #include "sherpa-onnx/csrc/offline-speaker-diarization.h" | ||
|
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| #include "sherpa-onnx/csrc/macros.h" | ||
| #include "sherpa-onnx/jni/common.h" | ||
|
|
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| namespace sherpa_onnx { | ||
|
|
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| static OfflineSpeakerDiarizationConfig GetOfflineSpeakerDiarizationConfig( | ||
| JNIEnv *env, jobject config) { | ||
| OfflineSpeakerDiarizationConfig ans; | ||
|
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| jclass cls = env->GetObjectClass(config); | ||
| jfieldID fid; | ||
|
|
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| //---------- segmentation ---------- | ||
| fid = env->GetFieldID( | ||
| cls, "segmentation", | ||
| "Lcom/k2fsa/sherpa/onnx/OfflineSpeakerSegmentationModelConfig;"); | ||
| jobject segmentation_config = env->GetObjectField(config, fid); | ||
| jclass segmentation_config_cls = env->GetObjectClass(segmentation_config); | ||
|
|
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| fid = env->GetFieldID( | ||
| segmentation_config_cls, "pyannote", | ||
| "Lcom/k2fsa/sherpa/onnx/OfflineSpeakerSegmentationPyannoteModelConfig;"); | ||
| jobject pyannote_config = env->GetObjectField(segmentation_config, fid); | ||
| jclass pyannote_config_cls = env->GetObjectClass(pyannote_config); | ||
|
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| fid = env->GetFieldID(pyannote_config_cls, "model", "Ljava/lang/String;"); | ||
| jstring s = (jstring)env->GetObjectField(pyannote_config, fid); | ||
| const char *p = env->GetStringUTFChars(s, nullptr); | ||
| ans.segmentation.pyannote.model = p; | ||
| env->ReleaseStringUTFChars(s, p); | ||
|
|
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| fid = env->GetFieldID(segmentation_config_cls, "numThreads", "I"); | ||
| ans.segmentation.num_threads = env->GetIntField(segmentation_config, fid); | ||
|
|
||
| fid = env->GetFieldID(segmentation_config_cls, "debug", "Z"); | ||
| ans.segmentation.debug = env->GetBooleanField(segmentation_config, fid); | ||
|
|
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| fid = env->GetFieldID(segmentation_config_cls, "provider", | ||
| "Ljava/lang/String;"); | ||
| s = (jstring)env->GetObjectField(segmentation_config, fid); | ||
| p = env->GetStringUTFChars(s, nullptr); | ||
| ans.segmentation.provider = p; | ||
| env->ReleaseStringUTFChars(s, p); | ||
|
|
||
| //---------- embedding ---------- | ||
| fid = env->GetFieldID( | ||
| cls, "embedding", | ||
| "Lcom/k2fsa/sherpa/onnx/SpeakerEmbeddingExtractorConfig;"); | ||
| jobject embedding_config = env->GetObjectField(config, fid); | ||
| jclass embedding_config_cls = env->GetObjectClass(embedding_config); | ||
|
|
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| fid = env->GetFieldID(embedding_config_cls, "model", "Ljava/lang/String;"); | ||
| s = (jstring)env->GetObjectField(embedding_config, fid); | ||
| p = env->GetStringUTFChars(s, nullptr); | ||
| ans.embedding.model = p; | ||
| env->ReleaseStringUTFChars(s, p); | ||
|
|
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| fid = env->GetFieldID(embedding_config_cls, "numThreads", "I"); | ||
| ans.embedding.num_threads = env->GetIntField(embedding_config, fid); | ||
|
|
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| fid = env->GetFieldID(embedding_config_cls, "debug", "Z"); | ||
| ans.embedding.debug = env->GetBooleanField(embedding_config, fid); | ||
|
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| fid = env->GetFieldID(embedding_config_cls, "provider", "Ljava/lang/String;"); | ||
| s = (jstring)env->GetObjectField(embedding_config, fid); | ||
| p = env->GetStringUTFChars(s, nullptr); | ||
| ans.embedding.provider = p; | ||
| env->ReleaseStringUTFChars(s, p); | ||
|
|
||
| //---------- clustering ---------- | ||
| fid = env->GetFieldID(cls, "clustering", | ||
| "Lcom/k2fsa/sherpa/onnx/FastClusteringConfig;"); | ||
| jobject clustering_config = env->GetObjectField(config, fid); | ||
| jclass clustering_config_cls = env->GetObjectClass(clustering_config); | ||
|
|
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| fid = env->GetFieldID(clustering_config_cls, "numClusters", "I"); | ||
| ans.clustering.num_clusters = env->GetIntField(clustering_config, fid); | ||
|
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| fid = env->GetFieldID(clustering_config_cls, "threshold", "F"); | ||
| ans.clustering.threshold = env->GetFloatField(clustering_config, fid); | ||
|
|
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| // its own fields | ||
| fid = env->GetFieldID(cls, "minDurationOn", "F"); | ||
| ans.min_duration_on = env->GetFloatField(config, fid); | ||
|
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| fid = env->GetFieldID(cls, "minDurationOff", "F"); | ||
| ans.min_duration_off = env->GetFloatField(config, fid); | ||
|
|
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| return ans; | ||
| } | ||
|
|
||
| } // namespace sherpa_onnx | ||
|
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| SHERPA_ONNX_EXTERN_C | ||
| JNIEXPORT jlong JNICALL | ||
| Java_com_k2fsa_sherpa_onnx_OfflineSpeakerDiarization_newFromAsset( | ||
| JNIEnv *env, jobject /*obj*/, jobject asset_manager, jobject _config) { | ||
| return 0; | ||
| } | ||
|
|
||
| SHERPA_ONNX_EXTERN_C | ||
| JNIEXPORT jlong JNICALL | ||
| Java_com_k2fsa_sherpa_onnx_OfflineSpeakerDiarization_newFromFile( | ||
| JNIEnv *env, jobject /*obj*/, jobject _config) { | ||
| auto config = sherpa_onnx::GetOfflineSpeakerDiarizationConfig(env, _config); | ||
| SHERPA_ONNX_LOGE("config:\n%s", config.ToString().c_str()); | ||
|
|
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| if (!config.Validate()) { | ||
| SHERPA_ONNX_LOGE("Errors found in config!"); | ||
| return 0; | ||
| } | ||
|
|
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| auto sd = new sherpa_onnx::OfflineSpeakerDiarization(config); | ||
|
|
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| return (jlong)sd; | ||
| } | ||
|
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| SHERPA_ONNX_EXTERN_C | ||
| JNIEXPORT void JNICALL | ||
| Java_com_k2fsa_sherpa_onnx_OfflineSpeakerDiarization_setConfig( | ||
| JNIEnv *env, jobject /*obj*/, jlong ptr, jobject _config) { | ||
| auto config = sherpa_onnx::GetOfflineSpeakerDiarizationConfig(env, _config); | ||
| SHERPA_ONNX_LOGE("config:\n%s", config.ToString().c_str()); | ||
|
|
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| auto sd = reinterpret_cast<sherpa_onnx::OfflineSpeakerDiarization *>(ptr); | ||
| sd->SetConfig(config); | ||
| } | ||
|
|
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| SHERPA_ONNX_EXTERN_C | ||
| JNIEXPORT void JNICALL | ||
| Java_com_k2fsa_sherpa_onnx_OfflineSpeakerDiarization_delete(JNIEnv * /*env*/, | ||
| jobject /*obj*/, | ||
| jlong ptr) { | ||
| delete reinterpret_cast<sherpa_onnx::OfflineSpeakerDiarization *>(ptr); | ||
| } | ||
|
|
||
| static jobjectArray ProcessImpl( | ||
| JNIEnv *env, | ||
| const std::vector<sherpa_onnx::OfflineSpeakerDiarizationSegment> | ||
| &segments) { | ||
| jclass cls = | ||
| env->FindClass("com/k2fsa/sherpa/onnx/OfflineSpeakerDiarizationSegment"); | ||
|
|
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| jobjectArray obj_arr = | ||
| (jobjectArray)env->NewObjectArray(segments.size(), cls, nullptr); | ||
|
|
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| jmethodID constructor = env->GetMethodID(cls, "<init>", "(FFI)V"); | ||
|
|
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| for (int32_t i = 0; i != segments.size(); ++i) { | ||
| const auto &s = segments[i]; | ||
| jobject segment = | ||
| env->NewObject(cls, constructor, s.Start(), s.End(), s.Speaker()); | ||
| env->SetObjectArrayElement(obj_arr, i, segment); | ||
| } | ||
|
|
||
| return obj_arr; | ||
| } | ||
|
|
||
| SHERPA_ONNX_EXTERN_C | ||
| JNIEXPORT jobjectArray JNICALL | ||
| Java_com_k2fsa_sherpa_onnx_OfflineSpeakerDiarization_process( | ||
| JNIEnv *env, jobject /*obj*/, jlong ptr, jfloatArray samples) { | ||
| auto sd = reinterpret_cast<sherpa_onnx::OfflineSpeakerDiarization *>(ptr); | ||
|
|
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| jfloat *p = env->GetFloatArrayElements(samples, nullptr); | ||
| jsize n = env->GetArrayLength(samples); | ||
| auto segments = sd->Process(p, n).SortByStartTime(); | ||
| env->ReleaseFloatArrayElements(samples, p, JNI_ABORT); | ||
|
|
||
| return ProcessImpl(env, segments); | ||
| } | ||
|
|
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| SHERPA_ONNX_EXTERN_C | ||
| JNIEXPORT jobjectArray JNICALL | ||
| Java_com_k2fsa_sherpa_onnx_OfflineSpeakerDiarization_processWithCallback( | ||
| JNIEnv *env, jobject /*obj*/, jlong ptr, jfloatArray samples, | ||
| jobject callback, jlong arg) { | ||
| std::function<int32_t(int32_t, int32_t, void *)> callback_wrapper = | ||
| [env, callback](int32_t num_processed_chunks, int32_t num_total_chunks, | ||
| void *data) -> int { | ||
| jclass cls = env->GetObjectClass(callback); | ||
|
|
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| jmethodID mid = env->GetMethodID(cls, "invoke", "(IIJ)Ljava/lang/Integer;"); | ||
| if (mid == nullptr) { | ||
| SHERPA_ONNX_LOGE("Failed to get the callback. Ignore it."); | ||
| return 0; | ||
| } | ||
|
|
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| jobject ret = env->CallObjectMethod(callback, mid, num_processed_chunks, | ||
| num_total_chunks, (jlong)data); | ||
| jclass jklass = env->GetObjectClass(ret); | ||
| jmethodID int_value_mid = env->GetMethodID(jklass, "intValue", "()I"); | ||
| return env->CallIntMethod(ret, int_value_mid); | ||
| }; | ||
|
|
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| auto sd = reinterpret_cast<sherpa_onnx::OfflineSpeakerDiarization *>(ptr); | ||
|
|
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| jfloat *p = env->GetFloatArrayElements(samples, nullptr); | ||
| jsize n = env->GetArrayLength(samples); | ||
| auto segments = | ||
| sd->Process(p, n, callback_wrapper, (void *)arg).SortByStartTime(); | ||
| env->ReleaseFloatArrayElements(samples, p, JNI_ABORT); | ||
|
|
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| return ProcessImpl(env, segments); | ||
| } | ||
|
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| SHERPA_ONNX_EXTERN_C | ||
| JNIEXPORT jint JNICALL | ||
| Java_com_k2fsa_sherpa_onnx_OfflineSpeakerDiarization_getSampleRate( | ||
| JNIEnv * /*env*/, jobject /*obj*/, jlong ptr) { | ||
| return reinterpret_cast<sherpa_onnx::OfflineSpeakerDiarization *>(ptr) | ||
| ->SampleRate(); | ||
| } |
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