Unggah file FLV anjeun sarta konvertor bakal ngajalankeun enkoding deui dumasar kana CRF anu ngatargetkeun hasil visual-lossless MPG (CRF 18 sacara piawai, nilai anu langkung handap = file anu langkung ageung / kualitas anu langkung luhur). Codec dipilih pikeun cocog sareng MPG kontainer — H.264 pikeun MP4 anu kompat, H.265 pikeun MKV anu efisien ukuran, VP9 pikeun WebM, AV1 pikeun pipa anu langkung anyar. FLV biasané ngawengku video Sorenson Spark utawa H.264 karo audio MP3 utawa AAC, diukir ing format stream dirancang kanggo RTMP pangiriman. MPEG-1, MPEG-2, MPEG-4, MPEG-5, MPEG-7, MPEG-8, MPEG-9, MPEG-10, MPEG-20, MPEG-21, MPEG-22, MPEG-24, MPEG-40, MPEG-41, MPEG-42, MPEG-44, MPEG-45, MPEG-46, MPEG-47, MPEG-49, MPEG-5, MPEG-6, MPEG-7, MPEG-8, MPEG-10, MPEG-11, MPEG-12, MPEG-13, MPEG-14, MPEG-15, MPEG-17, MPEG-18, MPEG-20, MPEG-21, MPEG-22, MPEG-24, MPEG-24, MPEG-22, MPEG-24, MPEG-2