vdec_get_tmv_buf_size

Product	Supported
Atlas 350 Accelerator Card	√
Atlas A3 training product / Atlas A3 inference product	√
Atlas A2 training product / Atlas A2 inference product	√
Atlas training product	x
Atlas inference product	√
Atlas 200I/500 A2 inference product	√

Obtains the requested TMV buffer allocation.

C Prototype

        
             hi_u32 hi_vdec_get_tmv_buf_size(hi_payload_type type, hi_u32 width, hi_u32 height)

Python Function

        
             ret = acl.himpi.vdec_get_tmv_buf_size(type, width, height)

Parameter	Description
type	int, decoding video type. For details, see hi_payload_type.
width	Int, input image width.
height	Int, input image height.

Return Value	Description
ret	int, size of the vector prediction buffer required for image storage. 0 indicates success. Other values indicate failure. For details, see Common Return Codes.

This API calculates the requested TMV buffer allocation so that the corresponding parameters can be initialized during channel creation.

For details about the API call sequence and sample code, see VDEC.

Parent topic: VDEC/JPEGD APIs