Compressing and Posting Videos for QT Streaming

Quick and Dirty

• Common Parameters:
  • Quicktime container
  • Hinted for streaming
  • H264 Video, 15fps, Two-pass, De-interlace
  • AAC Audio, Mono, 44.1khz
• Three Profiles:
  1. Large: 640x480 (VGA), 1500kbps video, 64kbps mono ("1500")
  2. Medium: 352x288 (QIF), 900kbps video, 56kbps mono ("900")
  3. Small: 320x240 (CIF), 350kbps video, 56kbps mono ("400")
• Naming convention:
  • Date format: yy_mmdd
  • Files: <date>-<event>-<part>-<bitrate>.mov
    • 08_0612-ctsi_sym-intro-900k.mov
• Posting:
  • sftp/scp access
  • qtss.loni.ucla.edu:/usr/local/share/DarwinStreamingServer/movies/
• Archiving:
  • TBD
• Access:
  • rtsp://qtss.loni.ucla.edu/
  • rtsp (streaming root) is the posting location located above.

Requirements

• Quicktime 7 Pro
• Mac OS (recommended)

Compression

(Work in progress)

-- DavidHasson - 23 Jun 2008