Function rsmpeg::ffi::av_dct_init [−][src]
pub unsafe extern "C" fn av_dct_init(nbits: i32, type_: u32) -> *mut DCTContext
Expand description
Set up DCT.
@param nbits size of the input array: (1 << nbits) for DCT-II, DCT-III and DST-I (1 << nbits) + 1 for DCT-I @param type the type of transform
@note the first element of the input of DST-I is ignored