hi_mpi_vdec_get_display_mode

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 the display mode.

Prototype

hi_s32 hi_mpi_vdec_get_display_mode(hi_vdec_chn chn, hi_video_display_mode *display_mode)

Parameters

Parameter	Input/Output	Description
chn	Input	Decoding channel ID. Atlas 200I/500 A2 inference product: The value range of this parameter is [0, 128). The JPEGD and VDEC functions share the same channels, and the maximum number of channels is 128.
display_mode	Output	Pointer to the display mode.

Parameter

Input/Output

Description

chn

Input

Decoding channel ID.

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

display_mode

Output

Pointer to the display mode.

Returns

0: success
Other values: failure. For details, see Common Return Codes and VDEC/JPEGD Return Codes.

Restrictions

Before obtaining the display mode, ensure that a channel is created. Otherwise, the error code HI_ERR_VDEC_UNEXIT is returned, indicating that no channel is created.

Parent topic: VDEC/JPEGD