| Camera_ErrorCode OH_CaptureSession_RegisterCallback (Camera_CaptureSession *session, CaptureSession_Callbacks *callback) | Registers a callback to listen for capture session events. |
| Camera_ErrorCode OH_CaptureSession_UnregisterCallback (Camera_CaptureSession *session, CaptureSession_Callbacks *callback) | Unregisters the callback used to listen for capture session events. |
| Camera_ErrorCode OH_CaptureSession_RegisterSmoothZoomInfoCallback (Camera_CaptureSession *session, OH_CaptureSession_OnSmoothZoomInfo smoothZoomInfoCallback) | Registers a callback to listen for smooth zoom events. |
| Camera_ErrorCode OH_CaptureSession_UnregisterSmoothZoomInfoCallback (Camera_CaptureSession *session, OH_CaptureSession_OnSmoothZoomInfo smoothZoomInfoCallback) | Unregisters the callback used to listen for smooth zoom events. |
| Camera_ErrorCode OH_CaptureSession_SetSessionMode (Camera_CaptureSession *session, Camera_SceneMode sceneMode) | Sets a scene mode for a session. |
| Camera_ErrorCode OH_CaptureSession_AddSecureOutput (Camera_CaptureSession *session, Camera_PreviewOutput *previewOutput) | Marks a preview output stream as secure output. |
| Camera_ErrorCode OH_CaptureSession_BeginConfig (Camera_CaptureSession *session) | Starts the configuration for a capture session. |
| Camera_ErrorCode OH_CaptureSession_CommitConfig (Camera_CaptureSession *session) | Commits the configuration for a capture session. |
| Camera_ErrorCode OH_CaptureSession_AddInput (Camera_CaptureSession *session, Camera_Input *cameraInput) | Adds a CameraInput instance to a session. |
| Camera_ErrorCode OH_CaptureSession_RemoveInput (Camera_CaptureSession *session, Camera_Input *cameraInput) | Removes a CameraInput instance from a session. |
| Camera_ErrorCode OH_CaptureSession_AddPreviewOutput (Camera_CaptureSession *session, Camera_PreviewOutput *previewOutput) | Adds a PreviewOutput instance to a session. |
| Camera_ErrorCode OH_CaptureSession_RemovePreviewOutput (Camera_CaptureSession *session, Camera_PreviewOutput *previewOutput) | Removes a PreviewOutput instance from a session. |
| Camera_ErrorCode OH_CaptureSession_AddPhotoOutput (Camera_CaptureSession *session, Camera_PhotoOutput *photoOutput) | Adds a PhotoOutput instance to a session. |
| Camera_ErrorCode OH_CaptureSession_RemovePhotoOutput (Camera_CaptureSession *session, Camera_PhotoOutput *photoOutput) | Removes a PhotoOutput instance from a session. |
| Camera_ErrorCode OH_CaptureSession_AddVideoOutput (Camera_CaptureSession *session, Camera_VideoOutput *videoOutput) | Adds a VideoOutput instance to a session. |
| Camera_ErrorCode OH_CaptureSession_RemoveVideoOutput (Camera_CaptureSession *session, Camera_VideoOutput *videoOutput) | Removes a VideoOutput instance from a session. |
| Camera_ErrorCode OH_CaptureSession_AddMetadataOutput (Camera_CaptureSession *session, Camera_MetadataOutput *metadataOutput) | Adds a MetadataOutput instance to a session. |
| Camera_ErrorCode OH_CaptureSession_RemoveMetadataOutput (Camera_CaptureSession *session, Camera_MetadataOutput *metadataOutput) | Removes a MetadataOutput instance from a session. |
| Camera_ErrorCode OH_CaptureSession_Start (Camera_CaptureSession *session) | Starts a capture session. |
| Camera_ErrorCode OH_CaptureSession_Stop (Camera_CaptureSession *session) | Stops a capture session. |
| Camera_ErrorCode OH_CaptureSession_Release (Camera_CaptureSession *session) | Releases a CaptureSession instance. |
| Camera_ErrorCode OH_CaptureSession_HasFlash (Camera_CaptureSession *session, bool *hasFlash) | Checks whether the device has flash. |
| Camera_ErrorCode OH_CaptureSession_IsFlashModeSupported (Camera_CaptureSession *session, Camera_FlashMode flashMode, bool *isSupported) | Checks whether a flash mode is supported. |
| Camera_ErrorCode OH_CaptureSession_GetFlashMode (Camera_CaptureSession *session, Camera_FlashMode *flashMode) | Obtains the flash mode in use. |
| Camera_ErrorCode OH_CaptureSession_SetFlashMode (Camera_CaptureSession *session, Camera_FlashMode flashMode) | Sets a flash mode for the device. |
| Camera_ErrorCode OH_CaptureSession_IsExposureModeSupported (Camera_CaptureSession *session, Camera_ExposureMode exposureMode, bool *isSupported) | Checks whether an exposure mode is supported. |
| Camera_ErrorCode OH_CaptureSession_GetExposureMode (Camera_CaptureSession *session, Camera_ExposureMode *exposureMode) | Obtains the exposure mode in use. |
| Camera_ErrorCode OH_CaptureSession_SetExposureMode (Camera_CaptureSession *session, Camera_ExposureMode exposureMode) | Sets an exposure mode for the device. |
| Camera_ErrorCode OH_CaptureSession_GetMeteringPoint (Camera_CaptureSession *session, Camera_Point *point) | Obtains the metering point in use. |
| Camera_ErrorCode OH_CaptureSession_SetMeteringPoint (Camera_CaptureSession *session, Camera_Point point) | Sets the metering point, which is the center point of the metering rectangle. |
| Camera_ErrorCode OH_CaptureSession_GetExposureBiasRange (Camera_CaptureSession *session, float *minExposureBias, float *maxExposureBias, float *step) | Obtains the exposure compensation values of the device. |
| Camera_ErrorCode OH_CaptureSession_SetExposureBias (Camera_CaptureSession *session, float exposureBias) | Sets an exposure compensation value for the device. |
| Camera_ErrorCode OH_CaptureSession_GetExposureBias (Camera_CaptureSession *session, float *exposureBias) | Obtains the exposure compensation value in use. |
| Camera_ErrorCode OH_CaptureSession_IsFocusModeSupported (Camera_CaptureSession *session, Camera_FocusMode focusMode, bool *isSupported) | Checks whether a focus mode is supported. |
| Camera_ErrorCode OH_CaptureSession_GetFocusMode (Camera_CaptureSession *session, Camera_FocusMode *focusMode) | Obtains the focus mode in use. |
| Camera_ErrorCode OH_CaptureSession_SetFocusMode (Camera_CaptureSession *session, Camera_FocusMode focusMode) | Sets a focus mode for the device. |
| Camera_ErrorCode OH_CaptureSession_GetFocusPoint (Camera_CaptureSession *session, Camera_Point *focusPoint) | Obtains the focal point in use. |
| Camera_ErrorCode OH_CaptureSession_SetFocusPoint (Camera_CaptureSession *session, Camera_Point focusPoint) | Sets a focal point for the device. |
| Camera_ErrorCode OH_CaptureSession_GetZoomRatioRange (Camera_CaptureSession *session, float *minZoom, float *maxZoom) | Obtains the supported zoom ratio range. |
| Camera_ErrorCode OH_CaptureSession_GetZoomRatio (Camera_CaptureSession *session, float *zoom) | Obtains the zoom ratio in use. |
| Camera_ErrorCode OH_CaptureSession_SetZoomRatio (Camera_CaptureSession *session, float zoom) | Sets a zoom ratio for the device. |
| Camera_ErrorCode OH_CaptureSession_IsVideoStabilizationModeSupported (Camera_CaptureSession *session, Camera_VideoStabilizationMode mode, bool *isSupported) | Checks whether a video stabilization mode is supported. |
| Camera_ErrorCode OH_CaptureSession_GetVideoStabilizationMode (Camera_CaptureSession *session, Camera_VideoStabilizationMode *mode) | Obtains the video stabilization mode in use. |
| Camera_ErrorCode OH_CaptureSession_SetVideoStabilizationMode (Camera_CaptureSession *session, Camera_VideoStabilizationMode mode) | Sets a video stabilization mode for the device. |
| Camera_ErrorCode OH_CaptureSession_CanAddInput (Camera_CaptureSession *session, Camera_Input *cameraInput, bool *isSuccessful) | Checks whether a CameraInput instance can be added to a session. |
| Camera_ErrorCode OH_CaptureSession_CanAddPreviewOutput (Camera_CaptureSession *session, Camera_PreviewOutput *cameraOutput, bool *isSuccessful) | Checks whether a PreviewOutput instance can be added to a session. |
| Camera_ErrorCode OH_CaptureSession_CanAddPhotoOutput (Camera_CaptureSession *session, Camera_PhotoOutput *cameraOutput, bool *isSuccessful) | Checks whether a PhotoOutput instance can be added to a session. |
| Camera_ErrorCode OH_CaptureSession_CanAddVideoOutput (Camera_CaptureSession *session, Camera_VideoOutput *cameraOutput, bool *isSuccessful) | Checks whether a VideoOutput instance can be added to a session. |
| Camera_ErrorCode OH_CaptureSession_CanPreconfig (Camera_CaptureSession *session, Camera_PreconfigType preconfigType, bool *canPreconfig) | Checks whether a preconfigured resolution type is supported. |
| Camera_ErrorCode OH_CaptureSession_CanPreconfigWithRatio (Camera_CaptureSession *session, Camera_PreconfigType preconfigType, Camera_PreconfigRatio preconfigRatio, bool *canPreconfig) | Checks whether a preconfigured resolution type with an aspect ratio is supported. |
| Camera_ErrorCode OH_CaptureSession_Preconfig (Camera_CaptureSession *session, Camera_PreconfigType preconfigType) | Sets a preconfigured resolution type. |
| Camera_ErrorCode OH_CaptureSession_PreconfigWithRatio (Camera_CaptureSession *session, Camera_PreconfigType preconfigType, Camera_PreconfigRatio preconfigRatio) | Sets a preconfigured resolution type with an aspect ratio. |
| Camera_ErrorCode OH_CaptureSession_GetExposureValue (Camera_CaptureSession *session, float *exposureValue) | Obtains the exposure value. |
| Camera_ErrorCode OH_CaptureSession_GetFocalLength (Camera_CaptureSession *session, float *focalLength) | Obtains the current focal length. |
| Camera_ErrorCode OH_CaptureSession_SetSmoothZoom (Camera_CaptureSession *session, float targetZoom, Camera_SmoothZoomMode smoothZoomMode) | Sets smooth zoom. |
| Camera_ErrorCode OH_CaptureSession_GetSupportedColorSpaces (Camera_CaptureSession *session, OH_NativeBuffer_ColorSpace **colorSpace, uint32_t *size) | Obtains the supported color spaces. |
| Camera_ErrorCode OH_CaptureSession_DeleteColorSpaces (Camera_CaptureSession *session, OH_NativeBuffer_ColorSpace *colorSpace) | Deletes color spaces. |
| Camera_ErrorCode OH_CaptureSession_GetActiveColorSpace (Camera_CaptureSession *session, OH_NativeBuffer_ColorSpace *colorSpace) | Obtains the active color space. |
| Camera_ErrorCode OH_CaptureSession_SetActiveColorSpace (Camera_CaptureSession *session, OH_NativeBuffer_ColorSpace colorSpace) | Sets the active color space. |
| Camera_ErrorCode OH_CaptureSession_SetQualityPrioritization (Camera_CaptureSession *session, Camera_QualityPrioritization qualityPrioritization) | Sets the priority level for video recording quality. |