video_output.h
Overview
The video_output.h file declares the video output concepts.
Library: libohcamera.so
System capability: SystemCapability.Multimedia.Camera.Core
Since: 11
Related module: OH_Camera
Summary
Structs
| Name | Description |
|---|---|
| struct VideoOutput_Callbacks | Defines the callbacks used for video output. |
Types
| Name | Description |
|---|---|
| typedef struct Camera_VideoOutput Camera_VideoOutput | Defines the video output object. |
| typedef void(* OH_VideoOutput_OnFrameStart) (Camera_VideoOutput *videoOutput) | Defines the pointer to the callback defined in the VideoOutput_Callbacks struct and used to report video output frame start events. |
| typedef void(* OH_VideoOutput_OnFrameEnd) (Camera_VideoOutput *videoOutput, int32_t frameCount) | Defines the pointer to the callback defined in the VideoOutput_Callbacks struct and used to report video output frame end events. |
| typedef void(* OH_VideoOutput_OnError) (Camera_VideoOutput *videoOutput, Camera_ErrorCode errorCode) | Defines the pointer to the callback defined in the VideoOutput_Callbacks struct and used to report video output errors. |
| typedef struct VideoOutput_Callbacks VideoOutput_Callbacks | Defines the callbacks used for video output. |
Functions
| Name | Description |
|---|---|
| Camera_ErrorCode OH_VideoOutput_RegisterCallback (Camera_VideoOutput *videoOutput, VideoOutput_Callbacks *callback) | Registers a callback to listen for video output events. |
| Camera_ErrorCode OH_VideoOutput_UnregisterCallback (Camera_VideoOutput *videoOutput, VideoOutput_Callbacks *callback) | Unregisters the callback used to listen for video output events. |
| Camera_ErrorCode OH_VideoOutput_Start (Camera_VideoOutput *videoOutput) | Starts video output. |
| Camera_ErrorCode OH_VideoOutput_Stop (Camera_VideoOutput *videoOutput) | Stops video output. |
| Camera_ErrorCode OH_VideoOutput_Release (Camera_VideoOutput *videoOutput) | Releases a VideoOutput instance. |