ref: 97da8b8c3395ba3de5e13b8d77a8432b9a462b78
dir: /vpx/exports_enc/
text vpx_codec_enc_config_default text vpx_codec_enc_config_set 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