pub fn ff_simple_idct_add_int16_8bit( dest: &mut [u8], dest_off: usize, line_size: usize, block: &mut [i16; 64], )
Add an 8x8 IDCT block into destination: equivalent to upstream ff_simple_idct_add_int16_8bit.
ff_simple_idct_add_int16_8bit