harmony 鸿蒙OhosImageComponent
OhosImageComponent
Overview
The OHOS::Media::OhosImageComponent struct describes the information about an image component.
System capability: SystemCapability.Multimedia.Image
Since: 10
Related module: Image
Header file: image_mdk.h
Summary
Member Variables
| Name | Description |
|---|---|
| uint8_t * byteBuffer | Pointer to the buffer that stores the pixel data. |
| size_t size | Size of the pixel data in the memory. |
| int32_t componentType | Type of the pixel data. |
| int32_t rowStride | Row stride of the pixel data. |
| int32_t pixelStride | Pixel stride of the pixel data. |
Member Variable Description
byteBuffer
uint8_t* OhosImageComponent::byteBuffer
Description
Pointer to the buffer that stores the pixel data.
componentType
int32_t OhosImageComponent::componentType
Description
Type of the pixel data.
| Value | Description |
|---|---|
| 1 | OHOS_IMAGE_COMPONENT_FORMAT_YUV_Y, luminance information |
| 2 | OHOS_IMAGE_COMPONENT_FORMAT_YUV_U, chrominance component. |
| 3 | OHOS_IMAGE_COMPONENT_FORMAT_YUV_V, chrominance component. |
| 4 | OHOS_IMAGE_COMPONENT_FORMAT_JPEG, JPEG format. |
pixelStride
int32_t OhosImageComponent::pixelStride
Description
Pixel stride of the pixel data.
rowStride
int32_t OhosImageComponent::rowStride
Description
Row stride of the pixel data. Camera preview stream data must be read based on the stride. For details, see Secondary Processing of Preview Streams (C/C++).
size
size_t OhosImageComponent::size
Description
Size of the pixel data in the memory.
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