harmony 鸿蒙Image

2023-06-24
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Image

Overview

The Image package provides APIs for accessing the Image module. For example, you can use the APIs to obtain image data, pixel map data, and pixel map information.

\@Syscap SystemCapability.Multimedia.Image

Since

Summary

Files

Name	Description
image_mdk.h	Declares the functions that access the image rectangle, size, format, and component data. File to include: <multimedia/image_framework/image_mdk.h> Library: libimage_ndk.z.so
image_mdk_common.h	Declares the common enums and structs used by the image interface. File to include: <multimedia/image_framework/image_mdk_common.h> Library: libimage_ndk.z.so
image_pixel_map_mdk.h	Declares the APIs that can lock, access, and unlock a pixel map. File to include: <multimedia/image_framework/image_pixel_map_mdk.h> Library: libpixelmap_ndk.z.so
image_pixel_map_napi.h	Declares the APIs that can lock, access, and unlock a pixel map. File to include: <multimedia/image_framework/image_pixel_map_napi.h> Library: libpixelmap_ndk.z.so
image_receiver_mdk.h	Declares the APIs for obtaining image data from the native layer. File to include: <multimedia/image_framework/image_receiver_mdk.h> Library: libimage_receiver_ndk.z.so
image_source_mdk.h	Declares the APIs for decoding an image source into a pixel map. File to include: <multimedia/image_framework/image_source_mdk.h> Library: libimage_source_ndk.z.so

Structs

Name	Description
OhosImageRect	Defines the information about an image rectangle.
OhosImageComponent	Defines the information about an image component.
OhosImageSize	Defines the image size.
OhosPixelMapInfos	Defines the information about a pixel map.
OhosPixelMapCreateOps	Defines the options for creating a pixel map.
OHOS::Media::OhosPixelMapInfo	Defines the information about a pixel map.
OhosImageReceiverInfo	Defines the information about an image receiver.
OhosImageRegion	Defines the region of an image source to decode.
OhosImageSourceOps	Defines the image source options.
OhosImageDecodingOps	Defines the options for decoding an image source.
OhosImageSourceInfo	Defines the information about an image source.
OhosImageSource	Defines the input resource of an image source. Only one type of resource is accepted at a time.
OhosImageSourceDelayTimeList	Defines the delay time list of an image source.
OhosImageSourceSupportedFormat	Defines the format string supported by an image source.
OhosImageSourceSupportedFormatList	Defines the format string list supported by an image source.
OhosImageSourceProperty	Defines the property string (in key-value format) of an image source.
OhosImageSourceUpdateData	Defines the update data of an image source.

Types

Name	Description
ImageNative	Defines an image object at the native layer.
NativePixelMap	Defines the data type name of the pixel map at the native layer.
OhosPixelMapInfos	Defines the information about a pixel map.
ImageReceiverNative	Defines the data type name of the image receiver at the native layer.
(*OH_Image_Receiver_On_Callback) ()	Defines the callbacks for the image interface at the native layer.
ImageSourceNative	Defines an image source object at the native layer.

Macros

Name	Description
IMAGE_RESULT_BASE 62980096	Defines the basic value returned by the interface.

Enums

Name	Description
{ OHOS_IMAGE_FORMAT_YCBCR_422_SP = 1000, OHOS_IMAGE_FORMAT_JPEG = 2000, }	Enumerates the image formats.
{ OHOS_IMAGE_COMPONENT_FORMAT_YUV_Y = 1, OHOS_IMAGE_COMPONENT_FORMAT_YUV_U = 2, OHOS_IMAGE_COMPONENT_FORMAT_YUV_V = 3, OHOS_IMAGE_COMPONENT_FORMAT_JPEG = 4, }	Enumerates the image components.
IRNdkErrCode { IMAGE_RESULT_SUCCESS = 0, IMAGE_RESULT_BAD_PARAMETER = -1, IMAGE_RESULT_IMAGE_RESULT_BASE = IMAGE_RESULT_BASE, IMAGE_RESULT_ERR_IPC = IMAGE_RESULT_BASE + 1, IMAGE_RESULT_ERR_SHAMEM_NOT_EXIST = IMAGE_RESULT_BASE + 2, IMAGE_RESULT_ERR_SHAMEM_DATA_ABNORMAL = IMAGE_RESULT_BASE + 3, IMAGE_RESULT_DECODE_ABNORMAL = IMAGE_RESULT_BASE + 4, IMAGE_RESULT_DATA_ABNORMAL = IMAGE_RESULT_BASE + 5, IMAGE_RESULT_MALLOC_ABNORMAL = IMAGE_RESULT_BASE + 6, IMAGE_RESULT_DATA_UNSUPPORT = IMAGE_RESULT_BASE + 7, IMAGE_RESULT_INIT_ABNORMAL = IMAGE_RESULT_BASE + 8, IMAGE_RESULT_GET_DATA_ABNORMAL = IMAGE_RESULT_BASE + 9, IMAGE_RESULT_TOO_LARGE = IMAGE_RESULT_BASE + 10, IMAGE_RESULT_TRANSFORM = IMAGE_RESULT_BASE + 11, IMAGE_RESULT_COLOR_CONVERT = IMAGE_RESULT_BASE + 12, IMAGE_RESULT_CROP = IMAGE_RESULT_BASE + 13, IMAGE_RESULT_SOURCE_DATA = IMAGE_RESULT_BASE + 14, IMAGE_RESULT_SOURCE_DATA_INCOMPLETE = IMAGE_RESULT_BASE + 15, IMAGE_RESULT_MISMATCHED_FORMAT = IMAGE_RESULT_BASE + 16, IMAGE_RESULT_UNKNOWN_FORMAT = IMAGE_RESULT_BASE + 17, IMAGE_RESULT_SOURCE_UNRESOLVED = IMAGE_RESULT_BASE + 18, IMAGE_RESULT_INVALID_PARAMETER = IMAGE_RESULT_BASE + 19, IMAGE_RESULT_DECODE_FAILED = IMAGE_RESULT_BASE + 20, IMAGE_RESULT_PLUGIN_REGISTER_FAILED = IMAGE_RESULT_BASE + 21, IMAGE_RESULT_PLUGIN_CREATE_FAILED = IMAGE_RESULT_BASE + 22, IMAGE_RESULT_ENCODE_FAILED = IMAGE_RESULT_BASE + 23, IMAGE_RESULT_ADD_PIXEL_MAP_FAILED = IMAGE_RESULT_BASE + 24, IMAGE_RESULT_HW_DECODE_UNSUPPORT = IMAGE_RESULT_BASE + 25, IMAGE_RESULT_DECODE_HEAD_ABNORMAL = IMAGE_RESULT_BASE + 26, IMAGE_RESULT_DECODE_EXIF_UNSUPPORT = IMAGE_RESULT_BASE + 27, IMAGE_RESULT_PROPERTY_NOT_EXIST = IMAGE_RESULT_BASE + 28, IMAGE_RESULT_MEDIA_DATA_UNSUPPORT = IMAGE_RESULT_BASE + 30, IMAGE_RESULT_MEDIA_TOO_LARGE = IMAGE_RESULT_BASE + 31, IMAGE_RESULT_MEDIA_MALLOC_FAILED = IMAGE_RESULT_BASE + 32, IMAGE_RESULT_MEDIA_END_OF_STREAM = IMAGE_RESULT_BASE + 33, IMAGE_RESULT_MEDIA_IO_ABNORMAL = IMAGE_RESULT_BASE + 34, IMAGE_RESULT_MEDIA_MALFORMED = IMAGE_RESULT_BASE + 35, IMAGE_RESULT_MEDIA_BUFFER_TOO_SMALL = IMAGE_RESULT_BASE + 36, IMAGE_RESULT_MEDIA_OUT_OF_RANGE = IMAGE_RESULT_BASE + 37, IMAGE_RESULT_MEDIA_STATUS_ABNORMAL = IMAGE_RESULT_BASE + 38, IMAGE_RESULT_MEDIA_VALUE_INVALID = IMAGE_RESULT_BASE + 39, IMAGE_RESULT_MEDIA_NULL_POINTER = IMAGE_RESULT_BASE + 40, IMAGE_RESULT_MEDIA_INVALID_OPERATION = IMAGE_RESULT_BASE + 41, IMAGE_RESULT_MEDIA_ERR_PLAYER_NOT_INIT = IMAGE_RESULT_BASE + 42, IMAGE_RESULT_MEDIA_EARLY_PREPARE = IMAGE_RESULT_BASE + 43, IMAGE_RESULT_MEDIA_SEEK_ERR = IMAGE_RESULT_BASE + 44, IMAGE_RESULT_MEDIA_PERMISSION_DENIED = IMAGE_RESULT_BASE + 45, IMAGE_RESULT_MEDIA_DEAD_OBJECT = IMAGE_RESULT_BASE + 46, IMAGE_RESULT_MEDIA_TIMED_OUT = IMAGE_RESULT_BASE + 47, IMAGE_RESULT_MEDIA_TRACK_NOT_ALL_SUPPORTED = IMAGE_RESULT_BASE + 48, IMAGE_RESULT_MEDIA_ADAPTER_INIT_FAILED = IMAGE_RESULT_BASE + 49, IMAGE_RESULT_MEDIA_WRITE_PARCEL_FAIL = IMAGE_RESULT_BASE + 50, IMAGE_RESULT_MEDIA_READ_PARCEL_FAIL = IMAGE_RESULT_BASE + 51, IMAGE_RESULT_MEDIA_NO_AVAIL_BUFFER = IMAGE_RESULT_BASE + 52, IMAGE_RESULT_MEDIA_INVALID_PARAM = IMAGE_RESULT_BASE + 53, IMAGE_RESULT_MEDIA_CODEC_ADAPTER_NOT_EXIST = IMAGE_RESULT_BASE + 54, IMAGE_RESULT_MEDIA_CREATE_CODEC_ADAPTER_FAILED = IMAGE_RESULT_BASE + 55, IMAGE_RESULT_MEDIA_CODEC_ADAPTER_NOT_INIT = IMAGE_RESULT_BASE + 56, IMAGE_RESULT_MEDIA_ZCODEC_CREATE_FAILED = IMAGE_RESULT_BASE + 57, IMAGE_RESULT_MEDIA_ZCODEC_NOT_EXIST = IMAGE_RESULT_BASE + 58, IMAGE_RESULT_MEDIA_JNI_CLASS_NOT_EXIST = IMAGE_RESULT_BASE + 59, IMAGE_RESULT_MEDIA_JNI_METHOD_NOT_EXIST = IMAGE_RESULT_BASE + 60, IMAGE_RESULT_MEDIA_JNI_NEW_OBJ_FAILED = IMAGE_RESULT_BASE + 61, IMAGE_RESULT_MEDIA_JNI_COMMON_ERROR = IMAGE_RESULT_BASE + 62, IMAGE_RESULT_MEDIA_DISTRIBUTE_NOT_SUPPORT = IMAGE_RESULT_BASE + 63, IMAGE_RESULT_MEDIA_SOURCE_NOT_SET = IMAGE_RESULT_BASE + 64, IMAGE_RESULT_MEDIA_RTSP_ADAPTER_NOT_INIT = IMAGE_RESULT_BASE + 65, IMAGE_RESULT_MEDIA_RTSP_ADAPTER_NOT_EXIST = IMAGE_RESULT_BASE + 66, IMAGE_RESULT_MEDIA_RTSP_SURFACE_UNSUPPORT = IMAGE_RESULT_BASE + 67, IMAGE_RESULT_MEDIA_RTSP_CAPTURE_NOT_INIT = IMAGE_RESULT_BASE + 68, IMAGE_RESULT_MEDIA_RTSP_SOURCE_URL_INVALID = IMAGE_RESULT_BASE + 69, IMAGE_RESULT_MEDIA_RTSP_VIDEO_TRACK_NOT_FOUND = IMAGE_RESULT_BASE + 70, IMAGE_RESULT_MEDIA_RTSP_CAMERA_NUM_REACH_MAX = IMAGE_RESULT_BASE + 71, IMAGE_RESULT_MEDIA_SET_VOLUME = IMAGE_RESULT_BASE + 72, IMAGE_RESULT_MEDIA_NUMBER_OVERFLOW = IMAGE_RESULT_BASE + 73, IMAGE_RESULT_MEDIA_DIS_PLAYER_UNSUPPORTED = IMAGE_RESULT_BASE + 74, IMAGE_RESULT_MEDIA_DENCODE_ICC_FAILED = IMAGE_RESULT_BASE + 75, IMAGE_RESULT_MEDIA_ENCODE_ICC_FAILED = IMAGE_RESULT_BASE + 76, IMAGE_RESULT_MEDIA_READ_PIXELMAP_FAILED = IMAGE_RESULT_BASE + 150, IMAGE_RESULT_MEDIA_WRITE_PIXELMAP_FAILED = IMAGE_RESULT_BASE + 151, IMAGE_RESULT_MEDIA_PIXELMAP_NOT_ALLOW_MODIFY = IMAGE_RESULT_BASE + 152, IMAGE_RESULT_MEDIA_CONFIG_FAILED = IMAGE_RESULT_BASE + 153, IMAGE_RESULT_JNI_ENV_ABNORMAL = IMAGE_RESULT_BASE + 154, IMAGE_RESULT_SURFACE_GRALLOC_BUFFER_FAILED = IMAGE_RESULT_BASE + 155, IMAGE_RESULT_CREATE_SURFACE_FAILED = IMAGE_RESULT_BASE + 156, IMAGE_RESULT_SURFACE_GET_PARAMETER_FAILED = IMAGE_RESULT_BASE + 157, IMAGE_RESULT_GET_SURFACE_FAILED = IMAGE_RESULT_BASE + 158, IMAGE_RESULT_SURFACE_ACQUIRE_BUFFER_FAILED = IMAGE_RESULT_BASE + 159, IMAGE_RESULT_SURFACE_REQUEST_BUFFER_FAILED = IMAGE_RESULT_BASE + 160, IMAGE_RESULT_REGISTER_LISTENER_FAILED = IMAGE_RESULT_BASE + 161, IMAGE_RESULT_REGISTER_BUFFER_FAILED = IMAGE_RESULT_BASE + 162, IMAGE_RESULT_FREAD_FAILED = IMAGE_RESULT_BASE + 163, IMAGE_RESULT_PEEK_FAILED = IMAGE_RESULT_BASE + 164, IMAGE_RESULT_SEEK_FAILED = IMAGE_RESULT_BASE + 165, IMAGE_RESULT_STREAM_SIZE_ERROR = IMAGE_RESULT_BASE + 166, IMAGE_RESULT_FILE_FD_ERROR = IMAGE_RESULT_BASE + 167, IMAGE_RESULT_FILE_DAMAGED = IMAGE_RESULT_BASE + 168, IMAGE_RESULT_CREATE_DECODER_FAILED = IMAGE_RESULT_BASE + 169, IMAGE_RESULT_CREATE_ENCODER_FAILED = IMAGE_RESULT_BASE + 170, IMAGE_RESULT_CHECK_FORMAT_ERROR = IMAGE_RESULT_BASE + 171, IMAGE_RESULT_THIRDPART_SKIA_ERROR = IMAGE_RESULT_BASE + 172, IMAGE_RESULT_HW_DECODE_FAILED = IMAGE_RESULT_BASE + 173, IMAGE_RESULT_ALLOCATER_TYPE_ERROR = IMAGE_RESULT_BASE + 174, IMAGE_RESULT_ALPHA_TYPE_ERROR = IMAGE_RESULT_BASE + 175, IMAGE_RESULT_INDEX_INVALID = IMAGE_RESULT_BASE + 176, IMAGE_RESULT_MEDIA_UNKNOWN = IMAGE_RESULT_BASE + 200 }	Enumerates the return values that may be used by the interface.
{ OHOS_PIXEL_MAP_ALPHA_TYPE_UNKNOWN = 0, OHOS_PIXEL_MAP_ALPHA_TYPE_OPAQUE = 1, OHOS_PIXEL_MAP_ALPHA_TYPE_PREMUL = 2, OHOS_PIXEL_MAP_ALPHA_TYPE_UNPREMUL = 3 }	Enumerates the pixel map alpha types.
{ OHOS_PIXEL_MAP_READ_ONLY = 0, OHOS_PIXEL_MAP_EDITABLE = 1 }	Enumerates the pixel map editing types.
{ OHOS::Media::OHOS_IMAGE_RESULT_SUCCESS = 0, OHOS::Media::OHOS_IMAGE_RESULT_BAD_PARAMETER = -1 }	Enumerates the error codes returned by the functions.
{ OHOS::Media::OHOS_PIXEL_MAP_FORMAT_NONE = 0, OHOS::Media::OHOS_PIXEL_MAP_FORMAT_RGBA_8888 = 3, OHOS::Media::OHOS_PIXEL_MAP_FORMAT_RGB_565 = 2 }	Enumerates the pixel map formats.
{ OHOS::Media::OHOS_PIXEL_MAP_SCALE_MODE_FIT_TARGET_SIZE = 0, OHOS::Media::OHOS_PIXEL_MAP_SCALE_MODE_CENTER_CROP = 1 }	Enumerates the pixel map scale modes.

Functions

Name	Description
OH_Image_InitImageNative (napi_env env, napi_value source)	Parses an ImageNative object from an Image object at the JavaScript native layer.
OH_Image_ClipRect (const ImageNative native, struct OhosImageRect rect)	Obtains OhosImageRect of an ImageNative object.
OH_Image_Size (const ImageNative native, struct OhosImageSize size)	Obtains OhosImageSize of an ImageNative object.
OH_Image_Format (const ImageNative native, int32_t format)	Obtains the image format of an ImageNative object.
OH_Image_GetComponent (const ImageNative native, int32_t componentType, struct OhosImageComponent componentNative)	Obtains OhosImageComponent of an ImageNative object.
OH_Image_Release (ImageNative *native)	Releases an ImageNative object.
OH_PixelMap_CreatePixelMap (napi_env env, OhosPixelMapCreateOps info, void buf, size_t len, napi_value res)	Creates a PixelMap object.
OH_PixelMap_CreateAlphaPixelMap (napi_env env, napi_value source, napi_value *alpha)	Creates a PixelMap object that contains only alpha channel information.
OH_PixelMap_InitNativePixelMap (napi_env env, napi_value source)	Initializes a PixelMap object.
OH_PixelMap_GetBytesNumberPerRow (const NativePixelMap native, int32_t num)	Obtains the number of bytes per row of a NativePixelMap object.
OH_PixelMap_GetIsEditable (const NativePixelMap native, int32_t editable)	Checks whether a NativePixelMap object is editable.
OH_PixelMap_IsSupportAlpha (const NativePixelMap native, int32_t alpha)	Checks whether a NativePixelMap object supports alpha channels.
OH_PixelMap_SetAlphaAble (const NativePixelMap *native, int32_t alpha)	Sets an alpha channel for a NativePixelMap object.
OH_PixelMap_GetDensity (const NativePixelMap native, int32_t density)	Obtains the pixel density of a NativePixelMap object.
OH_PixelMap_SetDensity (const NativePixelMap *native, int32_t density)	Sets the pixel density for a NativePixelMap object.
OH_PixelMap_SetOpacity (const NativePixelMap *native, float opacity)	Sets the opacity for a NativePixelMap object.
OH_PixelMap_Scale (const NativePixelMap *native, float x, float y)	Scales a NativePixelMap object.
OH_PixelMap_Translate (const NativePixelMap *native, float x, float y)	Translates a NativePixelMap object.
OH_PixelMap_Rotate (const NativePixelMap *native, float angle)	Rotates a NativePixelMap object.
OH_PixelMap_Flip (const NativePixelMap *native, int32_t x, int32_t y)	Flips a NativePixelMap object.
OH_PixelMap_Crop (const NativePixelMap *native, int32_t x, int32_t y, int32_t width, int32_t height)	Crops a NativePixelMap object.
OH_PixelMap_GetImageInfo (const NativePixelMap native, OhosPixelMapInfos info)	Obtains the image information of a NativePixelMap object.
OH_PixelMap_AccessPixels (const NativePixelMap native, void *addr)	Obtains the memory address of a NativePixelMap object and locks the memory.
OH_PixelMap_UnAccessPixels (const NativePixelMap *native)	Unlocks the memory of a NativePixelMap object. This function is used with OH_PixelMap_AccessPixels in pairs.
OHOS::Media::OH_GetImageInfo (napi_env env, napi_value value, OhosPixelMapInfo *info)	Obtains the information about a PixelMap object and stores the information to the OhosPixelMapInfo struct.
OHOS::Media::OH_AccessPixels (napi_env env, napi_value value, void **addrPtr)	Obtains the memory address of a PixelMap object and locks the memory.
OHOS::Media::OH_UnAccessPixels (napi_env env, napi_value value)	Unlocks the memory of a PixelMap object. This function is used with OH_AccessPixels in pairs.
OH_Image_Receiver_CreateImageReceiver (napi_env env, struct OhosImageReceiverInfo info, napi_value *res)	Creates an ImageReceiver object at the application layer.
OH_Image_Receiver_InitImageReceiverNative (napi_env env, napi_value source)	Initializes an ImageReceiverNative object through an ImageReceiver object.
OH_Image_Receiver_GetReceivingSurfaceId (const ImageReceiverNative native, char id, size_t len)	Obtains the receiver ID through an ImageReceiverNative object.
OH_Image_Receiver_ReadLatestImage (const ImageReceiverNative native, napi_value image)	Obtains the latest image through an ImageReceiverNative object.
OH_Image_Receiver_ReadNextImage (const ImageReceiverNative native, napi_value image)	Obtains the next image through an ImageReceiverNative object.
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.
OH_Image_Receiver_GetSize (const ImageReceiverNative native, struct OhosImageSize size)	Obtains the size of the image receiver through an ImageReceiverNative object.
OH_Image_Receiver_GetCapacity (const ImageReceiverNative native, int32_t capacity)	Obtains the capacity of the image receiver through an ImageReceiverNative object.
OH_Image_Receiver_GetFormat (const ImageReceiverNative native, int32_t format)	Obtains the format of the image receiver through an ImageReceiverNative object.
OH_Image_Receiver_Release (ImageReceiverNative *native)	Releases an ImageReceiverNative object. Note: This function is not used to release an ImageReceiver object.
OH_ImageSource_Create (napi_env env, struct OhosImageSource src, struct OhosImageSourceOps ops, napi_value *res)	Creates an ImageSource object at the JavaScript native layer based on the specified OhosImageSource and OhosImageSourceOps structs.
OH_ImageSource_CreateIncremental (napi_env env, struct OhosImageSource source, struct OhosImageSourceOps ops, napi_value *res)	Creates an ImageSource object at the JavaScript native layer based on the specified OhosImageSource and OhosImageSourceOps structs. The image source data will be updated through OH_ImageSource_UpdateData.
OH_ImageSource_GetSupportedFormats (struct OhosImageSourceSupportedFormatList *res)	Obtains all supported decoding formats.
OH_ImageSource_InitNative (napi_env env, napi_value source)	Converts an ImageSource object at the JavaScript native layer to an ImageSourceNative object.
OH_ImageSource_CreatePixelMap (const ImageSourceNative native, struct OhosImageDecodingOps ops, napi_value *res)	Decodes an ImageSourceNative object to obtain a PixelMap object at the JavaScript native layer based on the specified OhosImageDecodingOps struct.
OH_ImageSource_CreatePixelMapList (const ImageSourceNative native, struct OhosImageDecodingOps ops, napi_value *res)	Decodes an ImageSourceNative object to obtain all PixelMap objects at the JavaScript native layer based on the specified OhosImageDecodingOps struct.
OH_ImageSource_GetDelayTime (const ImageSourceNative native, struct OhosImageSourceDelayTimeList res)	Obtains the delay time list from an ImageSourceNative object (such as GIF image source).
OH_ImageSource_GetFrameCount (const ImageSourceNative native, uint32_t res)	Obtains the number of frames from an ImageSourceNative object.
OH_ImageSource_GetImageInfo (const ImageSourceNative native, int32_t index, struct OhosImageSourceInfo info)	Obtains image source information from an ImageSourceNative object by index.
OH_ImageSource_GetImageProperty (const ImageSourceNative native, struct OhosImageSourceProperty key, struct OhosImageSourceProperty *value)	Obtains the value of an image property from an ImageSourceNative object.
OH_ImageSource_ModifyImageProperty (const ImageSourceNative native, struct OhosImageSourceProperty key, struct OhosImageSourceProperty *value)	Modifies the value of an image property of an ImageSourceNative object.
OH_ImageSource_UpdateData (const ImageSourceNative native, struct OhosImageSourceUpdateData data)	Updates the data of an ImageSourceNative object.
OH_ImageSource_Release (ImageSourceNative *native)	Releases an ImageSourceNative object.

Variables

Name	Description
OHOS_IMAGE_PROPERTY_BITS_PER_SAMPLE = “BitsPerSample”	Defines a pointer to bits per sample, one of the image properties.
OHOS_IMAGE_PROPERTY_ORIENTATION = “Orientation”	Defines a pointer to the orientation, one of the image properties.
OHOS_IMAGE_PROPERTY_IMAGE_LENGTH = “ImageLength”	Defines a pointer to the image length, one of the image properties.
OHOS_IMAGE_PROPERTY_IMAGE_WIDTH = “ImageWidth”	Defines a pointer to the image width, one of the image properties.
OHOS_IMAGE_PROPERTY_GPS_LATITUDE = “GPSLatitude”	Defines a pointer to the GPS latitude, one of the image properties.
OHOS_IMAGE_PROPERTY_GPS_LONGITUDE = “GPSLongitude”	Defines a pointer to the GPS longitude, one of the image properties.
OHOS_IMAGE_PROPERTY_GPS_LATITUDE_REF = “GPSLatitudeRef”	Defines a pointer to the GPS latitude reference information, one of the image properties.
OHOS_IMAGE_PROPERTY_GPS_LONGITUDE_REF = “GPSLongitudeRef”	Defines a pointer to the GPS longitude reference information, one of the image properties.
OHOS_IMAGE_PROPERTY_DATE_TIME_ORIGINAL = “DateTimeOriginal”	Defines a pointer to the created date and time, one of the image properties.
OHOS_IMAGE_PROPERTY_EXPOSURE_TIME = “ExposureTime”	Defines a pointer to the exposure time, one of the image properties.
OHOS_IMAGE_PROPERTY_SCENE_TYPE = “SceneType”	Defines a pointer to the scene type, one of the image properties.
OHOS_IMAGE_PROPERTY_ISO_SPEED_RATINGS = “ISOSpeedRatings”	Defines a pointer to the ISO speed ratings, one of the image properties.
OHOS_IMAGE_PROPERTY_F_NUMBER = “FNumber”	Defines a pointer to the f-number of the image, one of the image properties.
OHOS_IMAGE_PROPERTY_COMPRESSED_BITS_PER_PIXEL = “CompressedBitsPerPixel”	Defines a pointer to the compressed bits per pixel, one of the image properties.
OhosImageRegion::x	Defines the X coordinate of the start point, in pixels.
OhosImageRegion::y	Defines the Y coordinate of the start point, in pixels.
OhosImageRegion::width	Defines the width of the region, in pixels.
OhosImageRegion::height	Defines the height of the region, in pixels.
OhosImageSourceOps::density	Defines the pixel density of the image source.
OhosImageSourceOps::pixelFormat	Defines the pixel format of the image source. It is usually used to describe the YUV buffer.
OhosImageSourceOps::size	Defines the pixel width and height of the image source.
OhosImageDecodingOps::editable	Defines whether the output pixel map is editable.
OhosImageDecodingOps::pixelFormat	Defines the pixel format of the output pixel map.
OhosImageDecodingOps::fitDensity	Defines the pixel density of the output pixel map.
OhosImageDecodingOps::index	Defines the index of the output pixel map.
OhosImageDecodingOps::sampleSize	Defines the size of the sample.
OhosImageDecodingOps::rotate	Defines the decoding rotation option.
OhosImageDecodingOps::size	Defines the pixel width and height of the output pixel map.
OhosImageDecodingOps::region	Defines the region of the output pixel map.
OhosImageSourceInfo::pixelFormat	Defines the pixel format of the image source. It is set in OH_ImageSource_Create.
OhosImageSourceInfo::colorSpace	Defines the color space of the image source.
OhosImageSourceInfo::alphaType	Defines the alpha type of the image source.
OhosImageSourceInfo::density	Defines the image density of the image source. It is set in OH_ImageSource_Create.
OhosImageSourceInfo::size	Defines the pixel width and height of the image source.
OhosImageSource::uri = nullptr	Defines a pointer to the image source URI. Only a file URI or Base64 URI is accepted.
OhosImageSource::uriSize = 0	Defines the length of the image source URI.
OhosImageSource::fd = -1	Defines the descriptor of the image source.
OhosImageSource::buffer = nullptr	Defines a pointer to the image source buffer. Only a formatted packet buffer or Base64 buffer is accepted.
OhosImageSource::bufferSize = 0	Defines the size of the image source buffer.
OhosImageSourceDelayTimeList::delayTimeList	Defines a pointer to the head of the image source delay time list.
OhosImageSourceDelayTimeList::size = 0	Defines the size of the image source delay time list.
OhosImageSourceSupportedFormat::format = nullptr	Defines a pointer to the head of the format string.
OhosImageSourceSupportedFormat::size = 0	Defines the size of the format string.
OhosImageSourceSupportedFormatList::supportedFormatList = nullptr	Defines a double pointer to the head of the format string list.
OhosImageSourceSupportedFormatList::size = 0	Defines the size of the format string list.
OhosImageSourceProperty::value = nullptr	Defines a pointer to the head of the property string.
OhosImageSourceProperty::size = 0	Defines the size of the property string.
OhosImageSourceUpdateData::buffer = nullptr	Defines a pointer to the buffer for storing the update data.
OhosImageSourceUpdateData::bufferSize = 0	Defines the size of the buffer.
OhosImageSourceUpdateData::offset = 0	Defines the offset of the update data in the buffer.
OhosImageSourceUpdateData::updateLength = 0	Defines the length of the update data in the buffer.
OhosImageSourceUpdateData::isCompleted = 0	Defines whether the image source data update is completed.

Type Description

ImageNative

typedef struct ImageNative_ ImageNative

Description

Defines an image object at the native layer.

Since

ImageReceiverNative

typedef struct ImageReceiverNative_ ImageReceiverNative

Description

Defines the data type name of the image receiver at the native layer.

Since

ImageSourceNative

typedef struct ImageSourceNative_ ImageSourceNative

Description

Defines an image source object at the native layer.

\@Syscap SystemCapability.Multimedia.Image

Since

NativePixelMap

typedef struct NativePixelMap_ NativePixelMap

Description

Defines the data type name of the pixel map at the native layer.

Since

OH_Image_Receiver_On_Callback

typedef void(* OH_Image_Receiver_On_Callback) ()

Description

Defines the callbacks for the image interface at the native layer.

Since

OhosPixelMapInfos

typedef struct OhosPixelMapInfosOhosPixelMapInfos

Description

Defines the information about a pixel map.

Since

Enum Description

anonymous enum [¹⁄₃]

anonymous enum

Description

Enumerates the image formats.

Since

Value	Description
OHOS_IMAGE_FORMAT_YCBCR_422_SP	YCbCr422 semi-planar format.
OHOS_IMAGE_FORMAT_JPEG	JPEG encoding format.

anonymous enum [²⁄₃]

anonymous enum

Description

Enumerates the pixel map alpha types.

Since

Value	Description
OHOS_PIXEL_MAP_ALPHA_TYPE_UNKNOWN	Unknown format.
OHOS_PIXEL_MAP_ALPHA_TYPE_OPAQUE	Opaque format.
OHOS_PIXEL_MAP_ALPHA_TYPE_PREMUL	Premultiplied format.
OHOS_PIXEL_MAP_ALPHA_TYPE_UNPREMUL	Unpremultiplied format.

anonymous enum [³⁄₃]

anonymous enum

Description

Enumerates the error codes returned by the functions.

Since

Deprecated from

Value	Description
OHOS_IMAGE_RESULT_SUCCESS	Operation success.
OHOS_IMAGE_RESULT_BAD_PARAMETER	Invalid parameter.

anonymous enum [¹⁄₃]

anonymous enum

Description

Enumerates the image components.

Since

Value	Description
OHOS_IMAGE_COMPONENT_FORMAT_YUV_Y	Luminance component.
OHOS_IMAGE_COMPONENT_FORMAT_YUV_U	Chrominance component - blue projection.
OHOS_IMAGE_COMPONENT_FORMAT_YUV_V	Chrominance component - red projection.
OHOS_IMAGE_COMPONENT_FORMAT_JPEG	JPEG format.

anonymous enum [²⁄₃]

anonymous enum

Description

Enumerates the pixel map editing types.

Since

Value	Description
OHOS_PIXEL_MAP_READ_ONLY	Read-only.
OHOS_PIXEL_MAP_EDITABLE	Editable.

anonymous enum [³⁄₃]

anonymous enum

Description

Enumerates the pixel map formats.

Since

Deprecated from

Value	Description
OHOS_PIXEL_MAP_FORMAT_NONE	Unknown format.
OHOS_PIXEL_MAP_FORMAT_RGBA_8888	32-bit RGBA, with 8 bits each for R (red), G (green), B (blue), and A (alpha). The data is stored from the most significant bit to the least significant bit.
OHOS_PIXEL_MAP_FORMAT_RGB_565	16-bit RGB, with 5, 6, and 5 bits for R, G, and B, respectively. The storage sequence is from the most significant bit to the least significant bit.

anonymous enum

anonymous enum

Description

Enumerates the pixel map scale modes.

Since

Value	Description
OHOS_PIXEL_MAP_SCALE_MODE_FIT_TARGET_SIZE	Adapting to the target image size.
OHOS_PIXEL_MAP_SCALE_MODE_CENTER_CROP	Cropping the center portion of an image to the target size.

IRNdkErrCode

enum IRNdkErrCode

Description

Enumerates the return values that may be used by the interface.

Since

Value	Description
IMAGE_RESULT_SUCCESS	Operation success.
IMAGE_RESULT_BAD_PARAMETER	Invalid parameter.
IMAGE_RESULT_IMAGE_RESULT_BASE	Operation failed.
IMAGE_RESULT_ERR_IPC	IPC error.
IMAGE_RESULT_ERR_SHAMEM_NOT_EXIST	Failed to share the memory.
IMAGE_RESULT_ERR_SHAMEM_DATA_ABNORMAL	Abnormal data in the shared memory.
IMAGE_RESULT_DECODE_ABNORMAL	Failed to decode the image.
IMAGE_RESULT_DATA_ABNORMAL	Abnormal input data.
IMAGE_RESULT_MALLOC_ABNORMAL	an error occurs during memory allocation.
IMAGE_RESULT_DATA_UNSUPPORT	The image type is not supported.
IMAGE_RESULT_INIT_ABNORMAL	Failed to initialize the image.
IMAGE_RESULT_GET_DATA_ABNORMAL	An error occurs during image data retrieval.
IMAGE_RESULT_TOO_LARGE	The image is too large.
IMAGE_RESULT_TRANSFORM	An error occurs during image transformation.
IMAGE_RESULT_COLOR_CONVERT	An error occurs during image color conversion.
IMAGE_RESULT_CROP	An error occurs during image cropping.
IMAGE_RESULT_SOURCE_DATA	The image source data is incorrect.
IMAGE_RESULT_SOURCE_DATA_INCOMPLETE	The image source data is incomplete.
IMAGE_RESULT_MISMATCHED_FORMAT	The image format does not match.
IMAGE_RESULT_UNKNOWN_FORMAT	Unknown image format.
IMAGE_RESULT_SOURCE_UNRESOLVED	The image source is not parsed.
IMAGE_RESULT_INVALID_PARAMETER	Invalid image parameter.
IMAGE_RESULT_DECODE_FAILED	Failed to decode the image.
IMAGE_RESULT_PLUGIN_REGISTER_FAILED	Failed to register the plug-in.
IMAGE_RESULT_PLUGIN_CREATE_FAILED	Failed to create the plug-in.
IMAGE_RESULT_ENCODE_FAILED	Failed to encode the image.
IMAGE_RESULT_ADD_PIXEL_MAP_FAILED	Failed to add the pixel map.
IMAGE_RESULT_HW_DECODE_UNSUPPORT	Hardware decoding is not supported.
IMAGE_RESULT_DECODE_HEAD_ABNORMAL	Failed to decode the image header.
IMAGE_RESULT_DECODE_EXIF_UNSUPPORT	Exchangeable Image File (EXIF) is not supported for image decoding.
IMAGE_RESULT_PROPERTY_NOT_EXIST	The image property does not exist.
IMAGE_RESULT_MEDIA_DATA_UNSUPPORT	The media type is not supported.
IMAGE_RESULT_MEDIA_TOO_LARGE	The media is too large.
IMAGE_RESULT_MEDIA_MALLOC_FAILED	Memory allocation failed.
IMAGE_RESULT_MEDIA_END_OF_STREAM	Failed to end the media data stream.
IMAGE_RESULT_MEDIA_IO_ABNORMAL	Abnormal input and output streams.
IMAGE_RESULT_MEDIA_MALFORMED	The media service functions abnormally.
IMAGE_RESULT_MEDIA_BUFFER_TOO_SMALL	The media data is too small.
IMAGE_RESULT_MEDIA_OUT_OF_RANGE	The media is out of range.
IMAGE_RESULT_MEDIA_STATUS_ABNORMAL	Abnormal media status.
IMAGE_RESULT_MEDIA_VALUE_INVALID	Invalid media value.
IMAGE_RESULT_MEDIA_NULL_POINTER	Media operation failed.
IMAGE_RESULT_MEDIA_INVALID_OPERATION	Invalid media operation.
IMAGE_RESULT_MEDIA_ERR_PLAYER_NOT_INIT	an error occurs during media initialization.
IMAGE_RESULT_MEDIA_EARLY_PREPARE	Media preprocessing is carried out too early.
IMAGE_RESULT_MEDIA_SEEK_ERR	The seek operation failed.
IMAGE_RESULT_MEDIA_PERMISSION_DENIED	Permission denied.
IMAGE_RESULT_MEDIA_DEAD_OBJECT	The media object is deregistered.
IMAGE_RESULT_MEDIA_TIMED_OUT	A timeout occurs.
IMAGE_RESULT_MEDIA_TRACK_NOT_ALL_SUPPORTED	The media capability is not supported.
IMAGE_RESULT_MEDIA_ADAPTER_INIT_FAILED	Failed to initialize the media adapter.
IMAGE_RESULT_MEDIA_WRITE_PARCEL_FAIL	Failed to write data to the parcel.
IMAGE_RESULT_MEDIA_READ_PARCEL_FAIL	Failed to read data from the parcel.
IMAGE_RESULT_MEDIA_NO_AVAIL_BUFFER	Invalid data.
IMAGE_RESULT_MEDIA_INVALID_PARAM	Invalid parameters.
IMAGE_RESULT_MEDIA_CODEC_ADAPTER_NOT_EXIST	The media codec adapter does not exist.
IMAGE_RESULT_MEDIA_CREATE_CODEC_ADAPTER_FAILED	Failed to create the media codec adapter.
IMAGE_RESULT_MEDIA_CODEC_ADAPTER_NOT_INIT	The media codec adapter is not initialized.
IMAGE_RESULT_MEDIA_ZCODEC_CREATE_FAILED	Failed to create the media codec.
IMAGE_RESULT_MEDIA_ZCODEC_NOT_EXIST	The media codec does not exist.
IMAGE_RESULT_MEDIA_JNI_CLASS_NOT_EXIST	The media JNI layer class does not exist.
IMAGE_RESULT_MEDIA_JNI_METHOD_NOT_EXIST	The media JNI layer method does not exist.
IMAGE_RESULT_MEDIA_JNI_NEW_OBJ_FAILED	Failed to create the object at the media JNI layer.
IMAGE_RESULT_MEDIA_JNI_COMMON_ERROR	The media JNI layer is abnormal.
IMAGE_RESULT_MEDIA_DISTRIBUTE_NOT_SUPPORT	The distributed feature is not supported.
IMAGE_RESULT_MEDIA_SOURCE_NOT_SET	The media source is not set.
IMAGE_RESULT_MEDIA_RTSP_ADAPTER_NOT_INIT	The media RTSP adapter is not initialized.
IMAGE_RESULT_MEDIA_RTSP_ADAPTER_NOT_EXIST	The media RTSP adapter does not exist.
IMAGE_RESULT_MEDIA_RTSP_SURFACE_UNSUPPORT	The media does not support the RTSP surface.
IMAGE_RESULT_MEDIA_RTSP_CAPTURE_NOT_INIT	Failed to initialize the media RTSP capturer.
IMAGE_RESULT_MEDIA_RTSP_SOURCE_URL_INVALID	Invalid media RTSP source path.
IMAGE_RESULT_MEDIA_RTSP_VIDEO_TRACK_NOT_FOUND	No video capability is found in the media RTSP.
IMAGE_RESULT_MEDIA_RTSP_CAMERA_NUM_REACH_MAX	The maximum number of RTSP cameras has been reached.
IMAGE_RESULT_MEDIA_SET_VOLUME	Failed to set the volume.
IMAGE_RESULT_MEDIA_NUMBER_OVERFLOW	The number of operations overflows.
IMAGE_RESULT_MEDIA_DIS_PLAYER_UNSUPPORTED	The distributed media player is not supported.
IMAGE_RESULT_MEDIA_DENCODE_ICC_FAILED	Failed to decode the ICC.
IMAGE_RESULT_MEDIA_ENCODE_ICC_FAILED	Failed to encode the ICC.
IMAGE_RESULT_MEDIA_READ_PIXELMAP_FAILED	Failed to read the pixel map.
IMAGE_RESULT_MEDIA_WRITE_PIXELMAP_FAILED	Failed to write the pixel map.
IMAGE_RESULT_MEDIA_PIXELMAP_NOT_ALLOW_MODIFY	The pixel map cannot be modified.
IMAGE_RESULT_MEDIA_CONFIG_FAILED	Configuration failed.
IMAGE_RESULT_JNI_ENV_ABNORMAL	The JNI environment is abnormal.
IMAGE_RESULT_SURFACE_GRALLOC_BUFFER_FAILED	Failed to allocate memory for the surface.
IMAGE_RESULT_CREATE_SURFACE_FAILED	Failed to create the surface.
IMAGE_RESULT_SURFACE_GET_PARAMETER_FAILED	Failed to obtain parameters from the surface.
IMAGE_RESULT_GET_SURFACE_FAILED	Failed to obtain the surface.
IMAGE_RESULT_SURFACE_ACQUIRE_BUFFER_FAILED	Failed to apply for a buffer.
IMAGE_RESULT_SURFACE_REQUEST_BUFFER_FAILED	Failed to request a buffer.
IMAGE_RESULT_REGISTER_LISTENER_FAILED	Failed to register the listener.
IMAGE_RESULT_REGISTER_BUFFER_FAILED	Failed to register the buffer.
IMAGE_RESULT_FREAD_FAILED	Failed to read the file.
IMAGE_RESULT_PEEK_FAILED	Failed to peek the file.
IMAGE_RESULT_SEEK_FAILED	Failed to seek the file.
IMAGE_RESULT_STREAM_SIZE_ERROR	The data stream is damaged.
IMAGE_RESULT_FILE_FD_ERROR	The file descriptor is damaged.
IMAGE_RESULT_FILE_DAMAGED	The file is damaged.
IMAGE_RESULT_CREATE_DECODER_FAILED	Failed to create a decoder.
IMAGE_RESULT_CREATE_ENCODER_FAILED	Failed to create an encoder.
IMAGE_RESULT_CHECK_FORMAT_ERROR	Failed to check the format.
IMAGE_RESULT_THIRDPART_SKIA_ERROR	Skia decoding failed.
IMAGE_RESULT_HW_DECODE_FAILED	Hardware decoding failed.
IMAGE_RESULT_ALLOCATER_TYPE_ERROR	Failed to verify the memory type.
IMAGE_RESULT_ALPHA_TYPE_ERROR	Failed to verify the alpha type.
IMAGE_RESULT_INDEX_INVALID	Invalid parameter.
IMAGE_RESULT_MEDIA_UNKNOWN	Unknown error.

Function Description

OH_AccessPixels()

int32_t OHOS::Media::OH_AccessPixels (napi_env env, napi_value value, void ** addrPtr )

Description

Obtains the memory address of a PixelMap object and locks the memory.

*addrPtr is the memory address obtained. After finishing the access, you must use OH_UnAccessPixels to unlock the memory. Then the memory cannot be accessed or operated.

Parameters

Name	Description
env	Pointer to the NAPI environment.
value	PixelMap object at the application layer.
addrPtr	Double pointer to the memory address.

Returns

Returns OHOS_IMAGE_RESULT_SUCCESS if the operation is successful; returns an error code otherwise.

Since

Deprecated from

See

UnAccessPixels

OH_GetImageInfo()

int32_t OHOS::Media::OH_GetImageInfo (napi_env env, napi_value value, OhosPixelMapInfo * info )

Description

Obtains the information about a PixelMap object and stores the information to the OhosPixelMapInfo struct.

Parameters

Name	Description
env	Pointer to the NAPI environment.
value	PixelMap object at the application layer.
info	Pointer to the object that stores the information obtained. For details, see OhosPixelMapInfo.

Returns

Returns 0 if the information is obtained and stored successfully; returns an error code otherwise.

Since

Deprecated from

See

OhosPixelMapInfo

OH_Image_ClipRect()

int32_t OH_Image_ClipRect (const ImageNative * native, struct OhosImageRect * rect )

Description

Obtains OhosImageRect of an ImageNative object.

Parameters

Name	Description
native	Pointer to an ImageNative object.
rect	Pointer to the OhosImageRect object obtained.

Returns

For details, see IRNdkErrCode.

Returns IMAGE_RESULT_SUCCESS if the operation is successful.

Returns IMAGE_RESULT_JNI_ENV_ABNORMAL if the JNI environment is abnormal.

Returns IMAGE_RESULT_INVALID_PARAMETER if a parameter is invalid.

Returns IMAGE_RESULT_SURFACE_GET_PARAMETER_FAILED if parameters fail to be obtained from the surface.

Returns IMAGE_RESULT_BAD_PARAMETER if a parameter is incorrect.

Since

See

ImageNative, OhosImageRect

OH_Image_Format()

int32_t OH_Image_Format (const ImageNative * native, int32_t * format )

Description

Obtains the image format of an ImageNative object.

Parameters

Name	Description
native	Pointer to an ImageNative object.
format	Pointer to the image format obtained.

Returns

For details, see IRNdkErrCode.

Returns IMAGE_RESULT_SUCCESS if the operation is successful.

Returns IMAGE_RESULT_JNI_ENV_ABNORMAL if the JNI environment is abnormal.

Returns IMAGE_RESULT_INVALID_PARAMETER if a parameter is invalid.

Returns IMAGE_RESULT_SURFACE_GET_PARAMETER_FAILED if parameters fail to be obtained from the surface.

Returns IMAGE_RESULT_BAD_PARAMETER if a parameter is incorrect.

Since

See

ImageNative

OH_Image_GetComponent()

int32_t OH_Image_GetComponent (const ImageNative * native, int32_t componentType, struct OhosImageComponent * componentNative )

Description

Obtains OhosImageComponent of an ImageNative object.

Parameters

Name	Description
native	Pointer to an ImageNative object.
componentType	Type of the component.
componentNative	Pointer to the OhosImageComponent object obtained.

Returns

For details, see IRNdkErrCode.

Returns IMAGE_RESULT_SUCCESS if the operation is successful.

Returns IMAGE_RESULT_JNI_ENV_ABNORMAL if the JNI environment is abnormal.

Returns IMAGE_RESULT_INVALID_PARAMETER if a parameter is invalid.

Returns IMAGE_RESULT_SURFACE_GET_PARAMETER_FAILED if parameters fail to be obtained from the surface.

Returns IMAGE_RESULT_BAD_PARAMETER if a parameter is incorrect.

Since

See

ImageNative, OhosImageComponent

OH_Image_InitImageNative()

ImageNative* OH_Image_InitImageNative (napi_env env, napi_value source )

Description

Parses an ImageNative object from an Image object at the JavaScript native layer.

Parameters

Name	Description
env	Pointer to the JNI environment.
source	Image object at the JavaScript native layer.

Returns

Returns a pointer to the ImageNative object if the operation is successful; returns a null pointer otherwise.

Since

See

ImageNative, OH_Image_Release

OH_Image_Receiver_CreateImageReceiver()

int32_t OH_Image_Receiver_CreateImageReceiver (napi_env env, struct OhosImageReceiverInfo info, napi_value * res )

Description

Creates an ImageReceiver object at the application layer.

Parameters

Name	Description
env	Pointer to the NAPI environment.
info	Options for setting the ImageReceiver object.
res	Pointer to the ImageReceiver object at the application layer.

Returns

For details, see IRNdkErrCode.

Returns IMAGE_RESULT_SUCCESS if the operation is successful.

Returns IMAGE_RESULT_BAD_PARAMETER if a parameter is incorrect.

Returns IMAGE_RESULT_JNI_ENV_ABNORMAL if the JNI environment is abnormal.

Returns IMAGE_RESULT_INVALID_PARAMETER if a parameter is invalid.

Returns IMAGE_RESULT_INVALID_PARAMETER if parameters fail to be obtained from the surface.

Returns IMAGE_RESULT_CREATE_SURFACE_FAILED if the surface fails to be created.

Returns IMAGE_RESULT_SURFACE_GRALLOC_BUFFER_FAILED if the buffer fails to be allocated to the surface.

Returns IMAGE_RESULT_GET_SURFACE_FAILED if the surface fails to be obtained.

Returns IMAGE_RESULT_MEDIA_RTSP_SURFACE_UNSUPPORT if the media RTSP surface is not supported.

Returns IMAGE_RESULT_DATA_UNSUPPORT if the image type is not supported.

Returns IMAGE_RESULT_MEDIA_DATA_UNSUPPORT if the media type is not supported.

Since

See

OhosImageReceiverInfo

OH_Image_Receiver_GetCapacity()

int32_t OH_Image_Receiver_GetCapacity (const ImageReceiverNative * native, int32_t * capacity )

Description

Obtains the capacity of the image receiver through an ImageReceiverNative object.

Parameters

Name	Description
native	Pointer to an ImageReceiverNative object.
capacity	Pointer to the capacity obtained.

Returns

For details, see IRNdkErrCode.

Returns IMAGE_RESULT_SUCCESS if the operation is successful.

Returns IMAGE_RESULT_BAD_PARAMETER if a parameter is incorrect.

Returns IMAGE_RESULT_JNI_ENV_ABNORMAL if the JNI environment is abnormal.

Returns IMAGE_RESULT_INVALID_PARAMETER if a parameter is invalid.

Returns IMAGE_RESULT_DATA_UNSUPPORT if the image type is not supported.

Since

See

ImageReceiverNative, OhosImageSize

OH_Image_Receiver_GetFormat()

int32_t OH_Image_Receiver_GetFormat (const ImageReceiverNative * native, int32_t * format )

Description

Obtains the format of the image receiver through an ImageReceiverNative object.

Parameters

Name	Description
native	Pointer to an ImageReceiverNative object.
format	Pointer to the format obtained.

Returns

For details, see IRNdkErrCode.

Returns IMAGE_RESULT_SUCCESS if the operation is successful.

Returns IMAGE_RESULT_BAD_PARAMETER if a parameter is incorrect.

Returns IMAGE_RESULT_JNI_ENV_ABNORMAL if the JNI environment is abnormal.

Returns IMAGE_RESULT_INVALID_PARAMETER if a parameter is invalid.

Returns IMAGE_RESULT_DATA_UNSUPPORT if the image type is not supported.

Since

See

ImageReceiverNative

OH_Image_Receiver_GetReceivingSurfaceId()

int32_t OH_Image_Receiver_GetReceivingSurfaceId (const ImageReceiverNative * native, char * id, size_t len )

Description

Obtains the receiver ID through an ImageReceiverNative object.

Parameters

Name	Description
native	Pointer to an ImageReceiverNative object.
id	Pointer to the buffer that stores the ID string obtained.
len	Size of the buffer.