Function: venc_set_channel_desc_buf_size

Product	Supported
Ascend 950PR/Ascend 950DT	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	√

Sets the encoding channel description attribute: size of the encoding output buffer.

C Prototype

aclError aclvencSetChannelDescBufSize(aclvencChannelDesc *channelDesc, uint32_t bufSize)

Python Function

ret = acl.media.venc_set_channel_desc_buf_size(venc_channel_desc, buf_size)

Parameter	Description
venc_channel_desc	Int, pointer address of the description of a video encoding channel. Call acl.media.venc_create_channel_desc to create data of the aclvencChannelDesc type in advance.
buf_size	Int, buffer allocation in bytes of the encode output. NOTE: For the Atlas inference product, the default size 8 MB and the minimum size is 5 MB. For the Atlas 200I/500 A2 inference product, the default size 8 MB and the minimum size is 5 MB.

Parameter

Description

venc_channel_desc

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

Call acl.media.venc_create_channel_desc to create data of the aclvencChannelDesc type in advance.

buf_size

Int, buffer allocation in bytes of the encode output.

NOTE:

For the Atlas inference product, the default size 8 MB and the minimum size is 5 MB.

For the Atlas 200I/500 A2 inference product, the default size 8 MB and the minimum size is 5 MB.

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

Parent topic: VENC