venc_set_scene_mode

Applicability

Product

Supported (√/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

Function Usage

Sets the scene mode.

Prototype

  • C Prototype
    1
    hi_s32 hi_mpi_venc_set_scene_mode(hi_venc_chn chn, const hi_venc_scene_mode scene_mode);
    
  • Python Function
    1
    ret = acl.himpi.venc_set_scene_mode(chn, scene_mode)
    

Parameter Description

Parameter

Description

chn

Int, encoding channel ID.
  • 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.
  • 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.

scene_mode

Int, scene mode. For details, see hi_venc_scene_mode.

Return Value Description

Return Value

Description

ret

Int, error code.

Restrictions

  • 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.