ffmpeg_sys::avresample_build_matrix

pub unsafe extern fn avresample_build_matrix(in_layout: uint64_t, out_layout: uint64_t, center_mix_level: c_double, surround_mix_level: c_double, lfe_mix_level: c_double, normalize: c_int, matrix: *mut c_double, stride: c_int, matrix_encoding: AVMatrixEncoding) -> c_int