aclvencGetChannelDescParam

The Atlas Training Series Product does not support this API.

Obtains the description of a video encoding channel.

aclError aclvencGetChannelDescParam(const aclvencChannelDesc *channelDesc, aclvencChannelDescParamType paramType, size_t length, size_t *paramRetSize, void *param)

Parameter	Input/Output	Description
channelDesc	Input	Pointer to the description of a video encoding channel. Call aclvencCreateChannelDesc to create data of the aclvencChannelDesc type and call aclvencSetChannelDescParam to set the description of a video encoding channel 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.
paramRetSize	Output	Pointer to the actual attribute value length.
param	Output	Pointer to the attribute value.

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

Parent topic: aclvencChannelDesc