syntax = "proto3";
package youtube.api.pfiinnertube;
  
message PlayerRequestCaptionParams {
  optional bool device_captions_on = 1;
  optional string device_captions_lang_pref = 2;
  optional string viewer_selected_caption_langs = 3;
  optional string cc_lang_pref = 4;
  optional bool cc_load_policy_on = 5;
}