vdec_get_tmv_buf_size

Applicable Products

Product	Supported
Ascend 950PR / Ascend 950DT	√
Atlas A3 training products / Atlas A3 inference products	√
Atlas A2 training products / Atlas A2 inference products	√
Atlas training products	x
Atlas inference products	√
Atlas 200I/500 A2 inference products	√

Description

Obtains the requested TMV buffer allocation.

Prototype

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)

Parameters

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

Return Value	Description
ret	Int, size of the TMV buffer. 0 indicates success. Other values indicate failure. For details, see Common Return Codes.

Restrictions

This API is provided to calculate the requested TMV buffer allocation so that the corresponding parameters can be initialized during channel creation.

Reference

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

Parent topic: VDEC/JPEGD APIs