ref: f1283ca4c60f49ee8ac75621067c888c5b05ae29
dir: libvpx/vpx/exports_enc
text vpx_codec_enc_config_default text vpx_codec_enc_config_set text vpx_codec_enc_init_multi_ver text vpx_codec_enc_init_ver text vpx_codec_encode text vpx_codec_get_cx_data text vpx_codec_get_global_headers text vpx_codec_get_preview_frame text vpx_codec_set_cx_data_buf