Function: venc_set_channel_desc_callback

C Prototype

aclError aclvencSetChannelDescCallback(aclvencChannelDesc *channelDesc, aclvencCallback callback)

Python Function

ret = acl.media.venc_set_channel_desc_callback(venc_channel_desc, callback)

Function Usage

Sets the encoding channel description attribute: callback function.

The Atlas Training Series Product does not support this API.

Input 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.

callback: Python function object, encoding callback function.

Callback function format in Python:

def venc_call_back_func(dvpp_pic_desc, dvpp_stream_desc, user_data):
pass

Return Value

ret: int, error code.