hi_mpi_vdec_get_protocol_param

The Atlas 200/300/500 Inference Product does not support this API.

The Atlas Training Series Product does not support this API.

Description

Obtains protocol-specific memory allocation parameters of a channel, such as the slice, picture parameter set (PPS), and sequence parameter set (SPS).

Restrictions

Ensure that a channel has been created. Otherwise, the error code HI_ERR_VDEC_UNEXIST is returned.

Prototype

hi_s32 hi_mpi_vdec_get_protocol_param(hi_vdec_chn chn, hi_vdec_protocol_param *protocol_param)

Parameters

Parameter	Input/Output	Description
chn	Input	Decoding channel ID.
protocol_param	Output	Pointer to the decoding channel parameters.

Returns

0: success
Other values: failure. For details, see VDEC/JPEGD Return Codes.

Parent topic: VDEC/JPEGD