Function: vdec_set_channel_desc_callback

C Prototype

aclError aclvdecSetChannelDescCallback(aclvdecChannelDesc *channelDesc, aclvdecCallback callback)

Python Function

ret = acl.media.vdec_set_channel_desc_callback(vdec_channel_desc, callback)

Function Usage

Sets the decoding channel description attribute: callback function.

Input Description

vdec_channel_desc: int, pointer address of the description of a video decoding channel.

Call acl.media.vdec_create_channel_desc to create data of the aclvdecChannelDesc type in advance.

callback: Python function object, callback function.

Callback function format in Python:

def vdec_call_back_func(dvpp_stream_desc, dvpp_pic_desc, user_data):
pass

Return Value

ret: int, error code.