harmony 鸿蒙image_receiver_mdk.h
image_receiver_mdk.h
Overview
The image_receiver_mdk.h file declares the APIs used to obtain image data from the native layer.
Library: libimage_receiver_ndk.z.so
File to include: <multimedia/image_framework/image_receiver_mdk.h>
Since: 10
Related module: Image
Summary
Structs
| Name | Description |
|---|---|
| struct OhosImageReceiverInfo | Defines the information about an image receiver. |
Types
| Name | Description |
|---|---|
| typedef struct ImageReceiverNative_ ImageReceiverNative | Defines the data type name of the image receiver at the native layer. |
| typedef void(* OH_Image_Receiver_On_Callback) () | Defines the callbacks for the image interface at the native layer. |
Functions
| Name | Description |
|---|---|
| int32_t OH_Image_Receiver_CreateImageReceiver (napi_env env, struct OhosImageReceiverInfo info, napi_value *res) | Creates an ImageReceiver object at the application layer. |
| ImageReceiverNative * OH_Image_Receiver_InitImageReceiverNative (napi_env env, napi_value source) | Initializes an ImageReceiverNative object through an ImageReceiver object. |
| int32_t OH_Image_Receiver_GetReceivingSurfaceId (const ImageReceiverNative *native, char *id, size_t len) | Obtains the receiver ID through an ImageReceiverNative object. |
| int32_t OH_Image_Receiver_ReadLatestImage (const ImageReceiverNative *native, napi_value *image) | Obtains the latest image through an ImageReceiverNative object. |
| int32_t OH_Image_Receiver_ReadNextImage (const ImageReceiverNative *native, napi_value *image) | Obtains the next image through an ImageReceiverNative object. |
| int32_t OH_Image_Receiver_On (const ImageReceiverNative *native, OH_Image_Receiver_On_Callback callback) | Registers an OH_Image_Receiver_On_Callback callback. This callback is triggered whenever a new image is received. |
| int32_t OH_Image_Receiver_GetSize (const ImageReceiverNative *native, struct OhosImageSize *size) | Obtains the size of the image receiver through an ImageReceiverNative object. |
| int32_t OH_Image_Receiver_GetCapacity (const ImageReceiverNative *native, int32_t *capacity) | Obtains the capacity of the image receiver through an ImageReceiverNative object. |
| int32_t OH_Image_Receiver_GetFormat (const ImageReceiverNative *native, int32_t *format) | Obtains the format of the image receiver through an ImageReceiverNative object. |
| int32_t OH_Image_Receiver_Release (ImageReceiverNative *native) | Releases an ImageReceiverNative object. |
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