krisp-audio-sdk-vad.hpp

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#ifndef KRISP_AUDIO_SDK_VAD_HPP_
#define KRISP_AUDIO_SDK_VAD_HPP_
 
#include "krisp-audio-sdk.hpp"
 
typedef enum {
    BAND_WIDTH_UNKNOWN   = 0,
    BAND_WIDTH_4000HZ    = 1,
    BAND_WIDTH_8000HZ    = 2,
    BAND_WIDTH_16000HZ   = 3,
} KrispAudioBandWidth;
 
typedef struct KrispAudioBandWidthInfo_t {
    /* [out] Predicted real bandwidth, one of the @KrispAudioBandWidth values */
    KrispAudioBandWidth     realBandwidth;
    /* [in] Algorithm processing start point */
    int                     procStartDelayMs;
    /* [in] Algorithm processing duration counted from the procStartDelayMs */
    int                     procDurationMs;
    int                     reserved;
} KrispAudioBandWidthInfo;
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
KRISP_AUDIO_API KrispAudioSessionID
krispAudioVadCreateSession(KrispAudioSamplingRate   inputSampleRate,
                           KrispAudioFrameDuration  frameDuration,
                           const char*              modelName);
 
KRISP_AUDIO_API int
krispAudioVadCloseSession(KrispAudioSessionID pSession);
 
KRISP_AUDIO_API float
krispAudioVadFrameInt16(KrispAudioSessionID   pSession,
                        const short*          pFrameIn,
                        unsigned int          frameInSize);
 
KRISP_AUDIO_API float
krispAudioVadFrameInt16Ex(KrispAudioSessionID       pSession,
                          const short*              pFrameIn,
                          unsigned int              frameInSize,
                          KrispAudioBandWidthInfo&  bandwidthInfo);
 
KRISP_AUDIO_API float
krispAudioVadFrameFloat(KrispAudioSessionID pSession,
                        const float*        pFrameIn,
                        unsigned int        frameInSize);
 
 
KRISP_AUDIO_API float
krispAudioVadFrameFloatEx(KrispAudioSessionID       pSession,
                          const float*              pFrameIn,
                          unsigned int              frameInSize,
                          KrispAudioBandWidthInfo&  bandwidthInfo);
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif