@volley/recognition-client-sdk/dist/utils/audio-ring-buffer.d.ts

Recognition Service TypeScript/Node.js Client SDK

/**
 * Audio Ring Buffer
 * Manages circular buffer for audio data with overflow detection
 */
export interface BufferedAudio {
    data: ArrayBuffer | ArrayBufferView;
    timestamp: number;
}
export interface AudioRingBufferConfig {
    maxBufferDurationSec: number;
    chunksPerSecond: number;
    logger?: (level: 'debug' | 'info' | 'warn' | 'error', message: string, data?: any) => void;
}
export declare class AudioRingBuffer {
    private buffer;
    private bufferSize;
    private writeIndex;
    private readIndex;
    private hasWrapped;
    private totalBufferedBytes;
    private overflowCount;
    private chunksBuffered;
    private logger?;
    constructor(config: AudioRingBufferConfig);
    /**
     * Write audio chunk to ring buffer with overflow detection
     */
    write(audioData: ArrayBuffer | ArrayBufferView): void;
    /**
     * Read next chunk from buffer
     */
    read(): BufferedAudio | null;
    /**
     * Read all buffered chunks without removing them
     */
    readAll(): BufferedAudio[];
    /**
     * Flush all buffered data and advance read pointer
     */
    flush(): BufferedAudio[];
    /**
     * Get count of buffered chunks
     */
    getBufferedCount(): number;
    /**
     * Check if buffer is empty
     */
    isEmpty(): boolean;
    /**
     * Check if buffer has overflowed
     */
    isOverflowing(): boolean;
    /**
     * Clear the buffer and reset all counters
     * Frees memory by releasing all stored audio chunks
     */
    clear(): void;
    /**
     * Get buffer statistics
     */
    getStats(): {
        chunksBuffered: number;
        currentBufferedChunks: number;
        overflowCount: number;
        hasWrapped: boolean;
        totalBufferedBytes: number;
    };
}
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