1# photo_output.h 2 3 4## Overview 5 6The **photo_output.h** file declares the photo output concepts. 7 8**Library**: libohcamera.so 9 10**System capability**: SystemCapability.Multimedia.Camera.Core 11 12**Since**: 11 13 14**Related module**: [OH_Camera](_o_h___camera.md) 15 16 17## Summary 18 19 20### Structs 21 22| Name| Description| 23| -------- | -------- | 24| [PhotoOutput_Callbacks](_photo_output___callbacks.md) | Defines the callbacks used for photo output.| 25 26 27### Types 28 29| Name| Description| 30| -------- | -------- | 31| [Camera_PhotoOutput](_o_h___camera.md#camera_photooutput) | Defines the photo output object.| 32| (\*[OH_PhotoOutput_OnFrameStart](_o_h___camera.md#oh_photooutput_onframestart)) ([Camera_PhotoOutput](_o_h___camera.md#camera_photooutput) \*photoOutput) | Defines the pointer to the callback defined in the **PhotoOutput_Callbacks** struct and used to report photo output frame start events.| 33| (\*[OH_PhotoOutput_OnFrameShutter](_o_h___camera.md#oh_photooutput_onframeshutter)) ([Camera_PhotoOutput](_o_h___camera.md#camera_photooutput) \*photoOutput, [Camera_FrameShutterInfo](_camera___frame_shutter_info.md) \*info) | Defines the pointer to the callback defined in the **PhotoOutput_Callbacks** struct and used to report frame shutter events.| 34| (\*[OH_PhotoOutput_OnFrameEnd](_o_h___camera.md#oh_photooutput_onframeend)) ([Camera_PhotoOutput](_o_h___camera.md#camera_photooutput) \*photoOutput, int32_t frameCount) | Defines the pointer to the callback defined in the **PhotoOutput_Callbacks** struct and used to report photo output frame end events.| 35| (\*[OH_PhotoOutput_OnError](_o_h___camera.md#oh_photooutput_onerror)) ([Camera_PhotoOutput](_o_h___camera.md#camera_photooutput) \*photoOutput, [Camera_ErrorCode](_o_h___camera.md#camera_errorcode) errorCode) | Defines the pointer to the callback defined in the **PhotoOutput_Callbacks** struct and used to report photo output errors.| 36| [PhotoOutput_Callbacks](_o_h___camera.md#photooutput_callbacks) | Defines the callbacks used for photo output.| 37 38 39### Functions 40 41| Name| Description| 42| -------- | -------- | 43| [OH_PhotoOutput_RegisterCallback](_o_h___camera.md#oh_photooutput_registercallback) ([Camera_PhotoOutput](_o_h___camera.md#camera_photooutput) \*photoOutput, [PhotoOutput_Callbacks](_photo_output___callbacks.md) \*callback) | Registers a callback to listen for photo output events.| 44| [OH_PhotoOutput_UnregisterCallback](_o_h___camera.md#oh_photooutput_unregistercallback) ([Camera_PhotoOutput](_o_h___camera.md#camera_photooutput) \*photoOutput, [PhotoOutput_Callbacks](_photo_output___callbacks.md) \*callback) | Unregisters the callback used to listen for photo output events.| 45| [OH_PhotoOutput_Capture](_o_h___camera.md#oh_photooutput_capture) ([Camera_PhotoOutput](_o_h___camera.md#camera_photooutput) \*photoOutput) | Captures a photo.| 46| [OH_PhotoOutput_Capture_WithCaptureSetting](_o_h___camera.md#oh_photooutput_capture_withcapturesetting) ([Camera_PhotoOutput](_o_h___camera.md#camera_photooutput) \*photoOutput, [Camera_PhotoCaptureSetting](_camera___photo_capture_setting.md) setting) | Captures a photo with the photographing parameters.| 47| [OH_PhotoOutput_Release](_o_h___camera.md#oh_photooutput_release) ([Camera_PhotoOutput](_o_h___camera.md#camera_photooutput) \*photoOutput) | Releases a **PhotoOutput** instance.| 48| [OH_PhotoOutput_IsMirrorSupported](_o_h___camera.md#oh_photooutput_ismirrorsupported) ([Camera_PhotoOutput](_o_h___camera.md#camera_photooutput) \*photoOutput, bool \*isSupported) | Checks whether mirroring is supported.| 49