Source-Zip Pro Video - Video Compression and File Size

This article is part of the Source-Zip Pro Video User Guide

Source-Zip Pro Video uses a selection of codecs for the encoding process which depends on the input file codec and format. There is a variety of supported codecs like DNxHD, Apple ProRes, H.264 and others. Here you can see a complete list of the supported codecs and corresponding encoders used:

• QuickTime format (.mov, .qt + .mp4, .m4v, .m4a where applicable):
  • Compression encoding is H.264 or Mpeg-4 depending on the codec
  • DNxHD, DNxHR variants
  • ProRes variants + ProRes XQ
  • Mpeg-4 variants
  • Mpeg-2 variants (including XDCAM flavors)
  • Uncompressed SD
  • DV/DVC variants (DV25, DV50, DVCAM, DVCPRO and more)
  • DVCProHD (some variants, encoding only)
  • H.264 (decode Baseline Profile for best CPU/editing performance)
  • AVC-I (some variants, encoding only)
  • Jpeg
  • Apple Animation
  • Avid RGB Packed (encoding only)
  • Avid DV/DV100 (encoding only)
  • AVID Meridien Compressed (encoding only)
  • Apple Intermediate (encoding only)
• MXF format:
  • Compression encoding is Mpeg-2
  • DNxHD, DNxHR variants
  • ProRes variants + Prores XQ
  • Mpeg-2 variants (maintain profile/flavor where supported) DV/DVC variants (encoding only)
  • DVCProHD (encoding only)
  • H.264 (encoding only)
  • AVC-I (encoding only)
• AVI format:
  • Compression encoding is Mpeg-4
  • DV25, DV50, DVCAM
  • DVCProHD (some variants, encoding only)

The resulting file size for a video file depends on the input codec and user quality selection and it can range from 1/60 to 1/3 of the original file, or no compression when the option “original” is selected.