hi_mpi_venc_get_intra_refresh

Applicability

Product	Supported
Atlas A3 training products/Atlas A3 inference products	☓
Atlas A2 training products/Atlas A2 inference products	☓
Atlas 200I/500 A2 inference products	√
Atlas inference products	√
Atlas training products	☓

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 products: The value range of the encoding channel ID is [0, 128). The JPEGE and VENC functions share the same channels, and the maximum number of channels is 128. Atlas inference products: The value range of the encoding channel ID is [0, 256). The JPEGE and VENC functions share the same channels, and 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 products: The value range of the encoding channel ID is [0, 128). The JPEGE and VENC functions share the same channels, and the maximum number of channels is 128.

Atlas inference products: The value range of the encoding channel ID is [0, 256). The JPEGE and VENC functions share the same channels, and 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 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)