hi_mpi_venc_set_scene_mode

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

Sets the scene mode. The image quality varies according to the scene mode. The default scene mode is HI_VENC_SCENE_0.

Call this API after an encoding channel is created and before the channel is destroyed.

Prototype

hi_s32 hi_mpi_venc_set_scene_mode (hi_venc_chn chn, const hi_venc_scene_mode scene_mode)

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.
scene_mode	Input	Scene mode.

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.

scene_mode

Input

Scene mode.

Returns

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

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