AV_AUDIO_SERVICE_TYPE_EFFECTS  470 libavcodec/options_table.h {"ef", "Effects",            0, AV_OPT_TYPE_CONST, {.i64 = AV_AUDIO_SERVICE_TYPE_EFFECTS },           INT_MIN, INT_MAX, A|E, "audio_service_type"},
AV_AUDIO_SERVICE_TYPE_EFFECTS  157 libavfilter/af_ashowinfo.c     case AV_AUDIO_SERVICE_TYPE_EFFECTS:           av_log(ctx, AV_LOG_INFO, "Effects");            break;
AV_AUDIO_SERVICE_TYPE_EFFECTS 3404 libavformat/utils.c             case AV_AUDIO_SERVICE_TYPE_EFFECTS: