Function: vdec_set_channel_desc_out_pic_width

Product	Supported
Ascend 950PR/Ascend 950DT	x
Atlas A3 training products/Atlas A3 inference products	√
Atlas A2 training products/Atlas A2 inference products	√
Atlas training products	√
Atlas inference products	√
Atlas 200I/500 A2 inference products	√

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 A2 training product/Atlas A2 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 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