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Add ArkTS API for speaker identification
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139 changes: 139 additions & 0 deletions
139
harmony-os/SherpaOnnxHar/sherpa_onnx/src/main/ets/components/SpeakerIdentification.ets
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| import { | ||
| createSpeakerEmbeddingExtractor, | ||
| createSpeakerEmbeddingManager, | ||
| speakerEmbeddingExtractorComputeEmbedding, | ||
| speakerEmbeddingExtractorCreateStream, | ||
| speakerEmbeddingExtractorDim, | ||
| speakerEmbeddingExtractorIsReady, | ||
| speakerEmbeddingManagerAdd, | ||
| speakerEmbeddingManagerAddListFlattened, | ||
| speakerEmbeddingManagerContains, | ||
| speakerEmbeddingManagerGetAllSpeakers, | ||
| speakerEmbeddingManagerNumSpeakers, | ||
| speakerEmbeddingManagerRemove, | ||
| speakerEmbeddingManagerSearch, | ||
| speakerEmbeddingManagerVerify | ||
| } from 'libsherpa_onnx.so'; | ||
| import { OnlineStream } from './StreamingAsr'; | ||
|
|
||
| export class SpeakerEmbeddingExtractorConfig { | ||
| public model: string = ''; | ||
| public numThreads: number = 1; | ||
| public debug: boolean = false; | ||
| public provider: string = 'cpu'; | ||
| } | ||
|
|
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| export class SpeakerEmbeddingExtractor { | ||
| public config: SpeakerEmbeddingExtractorConfig = new SpeakerEmbeddingExtractorConfig(); | ||
| public dim: number; | ||
| private handle: object; | ||
|
|
||
| constructor(config: SpeakerEmbeddingExtractorConfig, mgr?: object) { | ||
| this.handle = createSpeakerEmbeddingExtractor(config, mgr); | ||
| this.config = config; | ||
| this.dim = speakerEmbeddingExtractorDim(this.handle); | ||
| } | ||
|
|
||
| createStream(): OnlineStream { | ||
| return new OnlineStream( | ||
| speakerEmbeddingExtractorCreateStream(this.handle)); | ||
| } | ||
|
|
||
| isReady(stream: OnlineStream): boolean { | ||
| return speakerEmbeddingExtractorIsReady(this.handle, stream.handle); | ||
| } | ||
|
|
||
| compute(stream: OnlineStream, enableExternalBuffer: boolean = true): Float32Array { | ||
| return speakerEmbeddingExtractorComputeEmbedding( | ||
| this.handle, stream.handle, enableExternalBuffer); | ||
| } | ||
| } | ||
|
|
||
| function flatten(arrayList: Float32Array[]): Float32Array { | ||
| let n = 0; | ||
| for (let i = 0; i < arrayList.length; ++i) { | ||
| n += arrayList[i].length; | ||
| } | ||
| let ans = new Float32Array(n); | ||
|
|
||
| let offset = 0; | ||
| for (let i = 0; i < arrayList.length; ++i) { | ||
| ans.set(arrayList[i], offset); | ||
| offset += arrayList[i].length; | ||
| } | ||
| return ans; | ||
| } | ||
|
|
||
| interface SpeakerNameWithEmbedding { | ||
| name: string; | ||
| v: Float32Array; | ||
| } | ||
|
|
||
| interface SpeakerNameWithEmbeddingList { | ||
| name: string; | ||
| v: Float32Array[]; | ||
| } | ||
|
|
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| interface SpeakerNameWithEmbeddingN { | ||
| name: string; | ||
| vv: Float32Array; | ||
| n: number; | ||
| } | ||
|
|
||
| interface EmbeddingWithThreshold { | ||
| v: Float32Array; | ||
| threshold: number; | ||
| } | ||
|
|
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| interface SpeakerNameEmbeddingThreshold { | ||
| name: string; | ||
| v: Float32Array; | ||
| threshold: number; | ||
| } | ||
|
|
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| export class SpeakerEmbeddingManager { | ||
| public dim: number; | ||
| private handle: object; | ||
|
|
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| constructor(dim: number) { | ||
| this.handle = createSpeakerEmbeddingManager(dim); | ||
| this.dim = dim; | ||
| } | ||
|
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| add(speaker: SpeakerNameWithEmbedding): boolean { | ||
| return speakerEmbeddingManagerAdd(this.handle, speaker); | ||
| } | ||
|
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| addMulti(speaker: SpeakerNameWithEmbeddingList): boolean { | ||
| const c: SpeakerNameWithEmbeddingN = { | ||
| name: speaker.name, | ||
| vv: flatten(speaker.v), | ||
| n: speaker.v.length, | ||
| }; | ||
| return speakerEmbeddingManagerAddListFlattened(this.handle, c); | ||
| } | ||
|
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||
| remove(name: string): boolean { | ||
| return speakerEmbeddingManagerRemove(this.handle, name); | ||
| } | ||
|
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| search(obj: EmbeddingWithThreshold): string { | ||
| return speakerEmbeddingManagerSearch(this.handle, obj); | ||
| } | ||
|
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| verify(obj: SpeakerNameEmbeddingThreshold): boolean { | ||
| return speakerEmbeddingManagerVerify(this.handle, obj); | ||
| } | ||
|
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| contains(name: string): boolean { | ||
| return speakerEmbeddingManagerContains(this.handle, name); | ||
| } | ||
|
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| getNumSpeakers(): number { | ||
| return speakerEmbeddingManagerNumSpeakers(this.handle); | ||
| } | ||
|
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| getAllSpeakerNames(): string[] { | ||
| return speakerEmbeddingManagerGetAllSpeakers(this.handle); | ||
| } | ||
| } |
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