AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED  472 libavcodec/options_table.h {"hi", "Hearing Impaired",   0, AV_OPT_TYPE_CONST, {.i64 = AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED },  INT_MIN, INT_MAX, A|E, "audio_service_type"},
AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED  159 libavfilter/af_ashowinfo.c     case AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED:  av_log(ctx, AV_LOG_INFO, "Hearing Impaired");   break;
AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED 3410 libavformat/utils.c             case AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED: