hi_mpi_dvpp_get_image_info
The
The
Description
Obtains the output width, height, width stride, height stride, and buffer size as well as the source image format when the source image format is retained after decoding. This API checks whether the image format supports decoding. For an unsupported stream, the API returns the error code HI_ERR_VDEC_NOT_SUPPORT. For details, see VDEC/JPEGD Return Codes.
Prototype
hi_s32 hi_mpi_dvpp_get_image_info(hi_payload_type img_type, const hi_vdec_stream *stream, hi_img_info *img_info);
Parameters
Parameter |
Input/Output |
Description |
|---|---|---|
img_type |
Input |
Type of the stream to parse. Currently, the stream type can only be HI_PT_JPEG. |
stream |
Input |
Pointer to the input stream information. |
img_info |
Output |
Pointer to the image information, including the image width, height, width stride, height stride, buffer size occupied after decoding, and source image format. The source image format is returned through the pixel_format parameter. |
Returns
- 0: success
- Other values: failure. For details, see VDEC/JPEGD Return Codes.