AV_AUDIO_SERVICE_TYPE_VOICE_OVER 1939 libavcodec/ac3enc.c avctx->audio_service_type == AV_AUDIO_SERVICE_TYPE_VOICE_OVER) AV_AUDIO_SERVICE_TYPE_VOICE_OVER 476 libavcodec/options_table.h {"vo", "Voice Over", 0, AV_OPT_TYPE_CONST, {.i64 = AV_AUDIO_SERVICE_TYPE_VOICE_OVER }, INT_MIN, INT_MAX, A|E, "audio_service_type"}, AV_AUDIO_SERVICE_TYPE_VOICE_OVER 163 libavfilter/af_ashowinfo.c case AV_AUDIO_SERVICE_TYPE_VOICE_OVER: av_log(ctx, AV_LOG_INFO, "Voice Over"); break;