pub unsafe extern "C" fn vpx_codec_enc_init_multi_ver(
ctx: *mut vpx_codec_ctx_t,
iface: *const vpx_codec_iface,
cfg: *mut vpx_codec_enc_cfg_t,
num_enc: c_int,
flags: vpx_codec_flags_t,
dsf: *mut vpx_rational_t,
ver: c_int,
) -> vpx_codec_err_t