Protocols

The following protocols are available globally.

  • Callback to get center of square bounding the face.

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    Declaration

    Objective-C

    @protocol BNBCameraPoiListener

    Swift

    protocol BNBCameraPoiListener

  • Interface to receive notifications on effect change

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    Declaration

    Objective-C

    @protocol BNBEffectActivatedListener

    Swift

    protocol BNBEffectActivatedListener

  • Callback interface to receive effect activation notification

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    Declaration

    Objective-C

    @protocol BNBEffectActivationCompletionListener

    Swift

    protocol BNBEffectActivationCompletionListener

  • Callback interface for effect events.

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    Declaration

    Objective-C

    @protocol BNBEffectEventListener

    Swift

    protocol BNBEffectEventListener

  • Callback interface to receive effect info changes.

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    Declaration

    Objective-C

    @protocol BNBEffectInfoListener

    Swift

    protocol BNBEffectInfoListener

  • Interface to receive errors from EffectPlayer. Could be called from any thread inside EffectPlayer. So the implementation of this listener should be thread-safe.

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    Declaration

    Objective-C

    @protocol BNBErrorListener

    Swift

    protocol BNBErrorListener

  • Callback to get face number detected.

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    Declaration

    Objective-C

    @protocol BNBFaceNumberListener

    Swift

    protocol BNBFaceNumberListener

  • Undocumented

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    Declaration

    Objective-C

    @protocol BNBFeature

/**must return unique id (e.g. a feature pointer or a true random number(most likely) satisfies this criteria) */
- (int64_t)id;

- (nonnull NSString *)name;

- (BOOL)requiresMainThread;

- (void)clean;

- (void)process:(nullable BNBFrameData *)frameData;

- (void)postprocess:(nullable BNBFrameData *)fd
           futureFd:(nullable BNBFrameData *)futureFd;

@end

    Swift

    protocol BNBFeature

  • Callback to get freshly processed frame_data.

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    Declaration

    Objective-C

    @protocol BNBFrameDataListener

    Swift

    protocol BNBFrameDataListener

  • Callback interface to receive FPS timings.

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    Declaration

    Objective-C

    @protocol BNBFrameDurationListener

    Swift

    protocol BNBFrameDurationListener

  • Callback to receive “hints” (e.g. “Open mouth” from effect). Display them on UI.

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    Declaration

    Objective-C

    @protocol BNBHintListener

    Swift

    protocol BNBHintListener

  • Callback for JS execution results.

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    Declaration

    Objective-C

    @protocol BNBJsCallback

    Swift

    protocol BNBJsCallback

  • Undocumented

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    Declaration

    Objective-C

    @protocol BNBLogRecordCallback

- (void)onLogRecordCallback:(BNBSeverityLevel)level
                     domain:(nonnull NSString *)domain
                    message:(nonnull NSString *)message;

@end

    Swift

    protocol BNBLogRecordCallback

  • internal

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    Declaration

    Objective-C

    @protocol BNBLowLightListener

    Swift

    protocol BNBLowLightListener

  • Interface to receive loading result from video.

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    Declaration

    Objective-C

    @protocol BNBVideoLoadingResultListener

    Swift

    protocol BNBVideoLoadingResultListener

  • Undocumented

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    Declaration

    Objective-C

    @protocol BNBVisualClipListener

- (BOOL)shouldContinueProcessing:(int32_t)completedFramesCount
                totalFramesCount:(int32_t)totalFramesCount;

@end

    Swift

    protocol BNBVisualClipListener