aclvdecSetChannelDescParam

Description

Sets the description of a video encoding channel.

Prototype

aclError aclvdecSetChannelDescParam(aclvdecChannelDesc *channelDesc, aclvdecChannelDescParamType paramType, size_t length, const void *param)

Parameters

Parameter

Input/Output

Description

channelDesc

Output

Pointer to the description of a video decoding channel.

Call aclvdecCreateChannelDesc to create data of the aclvdecChannelDesc type in advance.

paramType

Input

Attribute data type.

length

Input

Attribute value length.

  • If the attribute is of type *_UINT64, set this parameter to 8.
  • If the attribute is of type *_UINT32, set this parameter to 4.
  • If the attribute is of type *_PTR, set this parameter to 4 for 32-bit OS or 8 for 64-bit OS.

param

Input

Pointer to the attribute value.

Returns

The value 0 indicates success, and other values indicate failure. For details, see aclError.