hi_mpi_vdec_get_display_mode

Applicable Products

Product	Supported
Ascend 950PR/Ascend 950DT	☓
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	☓

Function

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 products: 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 products: 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 has been created. Otherwise, the error code HI_ERR_VDEC_UNEXIST indicating no channels is returned.

Parent topic: VDEC/JPEGD