venc_get_intra_refresh

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

Obtains Islice refreshing parameters in P-frames.

C Prototype

hi_s32 hi_mpi_venc_get_intra_refresh(hi_venc_chn chn, hi_venc_intra_refresh *intra_refresh)

Python Function

intra_refresh, ret = acl.himpi.venc_get_intra_refresh(chn)

Parameter	Description
chn	Int, encoding channel ID. 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. Atlas 200I/500 A2 inference products: 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.

Parameter

Description

chn

Int, encoding channel ID.

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.
Atlas 200I/500 A2 inference products: 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.

Return Value	Description
intra_refresh	Dict, Islice refreshing parameter dictionary. See hi_venc_intra_refresh.
ret	Int, error code. 0: success. Other values: failures. For details, see VENC/JPEGE Return Codes.

Description

intra_refresh

Dict, Islice refreshing parameter dictionary. See hi_venc_intra_refresh.

ret

Int, error code.

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: VENC/JPEGE APIs