Function: dvpp_get_channel_desc_param

C Prototype	*aclError acldvppGetChannelDescParam(const acldvppChannelDesc channelDesc, acldvppChannelDescParamType paramType, size_t length, size_t paramRetSize, void param)**
Python Function	paramRetSize, param, ret=acl.media.dvpp_get_channel_desc_param(channelDesc, paramType)
Function Usage	Obtains the description of an image processing channel.
Input Description	Obtains the description of an image processing channel. Before calling this API, call acl.media.dvpp_create_channel_desc to create data of the acldvppChannelDesc type and call acl.media.dvpp_set_channel_desc_param to set the channel attributes. paramType: int, attribute parameter type. For details, see acldvppChannelDescParamType.
Return Value	paramRetSize: int, actual attribute value length. param: int, pointer address of the attribute value. ret: int, error code. 0 indicates success. Other values indicate failure.
Restrictions	None

Parent topic: common