The API for calling the Flip.
taskHandle Task handles are responsible for the interaction of the operator with the UCP architecture.dstImg The output picture, type, format and size are the same as the input picture.srcImg The input picture type supports U8C1 and format supports Y and nv12.flipMode A parameter value of 0 in the operator parameters indicates a flip along the x-axis, and a value of a positive integer indicates a flip along the y-axis.0 means the API was successfully executed, otherwise the execution failed.