Unggah file M4V 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. Struktural, M4V iku MP4 — H.264 utawa HEVC karo AAC — karo pilihan Apple FairPlay DRM lan iTunes bab metadata. 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