Function: vdec_set_channel_desc_out_pic_width

Product	Supported
Atlas 350 Accelerator Card	x
Atlas A3 training product/Atlas A3 inference product	√
Atlas A2 training product/Atlas A2 inference product	√
Atlas training product	√
Atlas inference product	√
Atlas 200I/500 A2 inference product	√

Sets the decoding channel description attribute: image width.

C Prototype

aclError aclvdecSetChannelDescOutPicWidth(aclvdecChannelDesc *channelDesc, uint32_t outPicWidth)

Python Function

ret = acl.media.vdec_set_channel_desc_out_pic_width(vdec_channel_desc, out_pic_width)

Parameter	Description
vdec_channel_desc	Int, pointer address of the description of a video decoding channel.
out_pic_width	Int, maximum output width. For the Atlas training product, if the maximum output width is not set, 1920 is used by default. For the Atlas 200I/500 A2 inference product, if the maximum output width is not set, 4096 is used by default. For the Atlas A2 training product/Atlas A2 inference product, if the maximum output width is not set, 4096 is used by default. For the Atlas inference product, if the maximum output width is not set, 4096 is used by default. For the Atlas A3 training product/Atlas A3 inference product, if the maximum output width is not set, 4096 is used by default.

Parameter

Description

vdec_channel_desc

Int, pointer address of the description of a video decoding channel.

out_pic_width

Int, maximum output width.

For the Atlas training product, if the maximum output width is not set, 1920 is used by default.

For the Atlas 200I/500 A2 inference product, if the maximum output width is not set, 4096 is used by default.

For the Atlas A2 training product/Atlas A2 inference product, if the maximum output width is not set, 4096 is used by default.

For the Atlas inference product, if the maximum output width is not set, 4096 is used by default.

For the Atlas A3 training product/Atlas A3 inference product, if the maximum output width is not set, 4096 is used by default.

Return Value	Description
ret	Int, error code. 0 on success; else, failure.

Parent topic: VDEC