hi_mpi_venc_get_intra_refresh

Applicability

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

Function Description

Obtains I-slice refreshing parameters in P-frames.

Prototype

hi_s32 hi_mpi_venc_get_intra_refresh(hi_venc_chn chn, hi_venc_intra_refresh *intra_refresh)

Parameters

Parameter	Input/Output	Description
chn	Input	Encoding channel ID. Atlas 200I/500 A2 inference product: The value range of this parameter is [0, 128). The JPEGE, and VENC functions share the same channels, and the maximum number of channels is 128. For the Atlas inference product, the value range of the encoding channel ID is [0, 256). The JPEGE and VENC functions share channels. The maximum number of channels is 256.
intra_refresh	Output	I-slice refreshing parameters.

Parameter

Input/Output

Description

chn

Input

Encoding channel ID.

Atlas 200I/500 A2 inference product: The value range of this parameter is [0, 128). The JPEGE, and VENC functions share the same channels, and the maximum number of channels is 128.

For the Atlas inference product, the value range of the encoding channel ID is [0, 256). The JPEGE and VENC functions share channels. The maximum number of channels is 256.

intra_refresh

Output

I-slice refreshing parameters.

Returns

0: success
Other values: failure. For details, see VENC/JPEGE Return Codes.

Restrictions

This API must be called after an encoding channel is created and before the encoding channel is destroyed.
When the GOP mode is switched, the obtained attributes are the latest configured attributes.

Parent topic: Video Encoding (VENC) and JPEG Encoder (JPEGE)