Il video è lo stesso, sia che si scarichi da Safari che da Quicktime.
Tu lo apri direttamente con QuickTime e per salvarlo in altri formati lo fai convertire dal programma(QuickTime).
Procedura che puoi fare anche dopo averlo scaricato da Safari.
se non mi sbaglio facendo il download diretto salva in .flv
Dipende dal video e da che "risoluzione" scarichi:
1- 360p => FLV
Video Codecs Used.................................AVC
Audio Codecs Used.................................AAC LC
File Format.......................................Flash Video
Play Time.........................................10mn 21s
Total File Size...................................108 KiB
Total Stream BitRate..............................796 Kbps
Video Stream #1
Codec (Human Name)................................AVC
Codec Profile.....................................Main@L3.0
Frame Width.......................................640 pixels
Frame Height......................................360 pixels
Frame Rate........................................23.976 fps
Total Frames......................................14909
Display Aspect Ratio..............................16:9
Scan Type.........................................Progressive
Color Space.......................................YUV
Codec Settings (Summary)..........................CABAC / 3 Ref Frames
QF (like Gordian Knot)............................0.116
Codec Settings (CABAC)............................Yes
Video Stream Length...............................10mn 21s 830ms
Video Stream BitRate..............................640 Kbps
Bit Depth.........................................8 bits
Video Stream Size.................................47.5 MiB
Audio Stream #1
Codec.............................................AAC
Audio Stream Length...............................10mn 21s 830ms
Audio Stream BitRate..............................115 Kbps
Number of Audio Channels..........................2
Audio Channel's Positions.........................Front: L R
Sampling Rate.....................................44.1 KHz
Audio Stream Size.................................8.53 MiB
2- 720 HD => mp4
Total Video Streams for this File.................1
Total Audio Streams for this File.................1
Video Codecs Used.................................AVC
Audio Codecs Used.................................AAC LC
File Format.......................................MPEG-4
Play Time.........................................10mn 21s
Total File Size...................................1.04 MiB
Total Stream BitRate..............................14.0 Kbps
Video Stream #1
Codec (Human Name)................................AVC
Codec (FourCC)....................................avc1
Codec Profile.....................................High@L3.1
Frame Width.......................................1 280 pixels
Frame Height......................................720 pixels
Frame Rate........................................23.976 fps
Total Frames......................................14910
Display Aspect Ratio..............................16:9
Scan Type.........................................Progressive
Color Space.......................................YUV
Codec Settings (Summary)..........................CABAC / 3 Ref Frames
QF (like Gordian Knot)............................0.091
Codec Settings (CABAC)............................Yes
Video Stream Length...............................10mn 21s 871ms
Video Stream BitRate..............................2 010 Kbps
Video Stream BitRate Mode.........................VBR
Bit Depth.........................................8 bits
Video Stream Size.................................149 MiB
Video Stream Title................................(C) 2007 Google Inc. v08.13.2007.
Date of Original Encoding.........................UTC 2009-12-03 20:58:31
Audio Stream #1
Codec.............................................AAC
Codec (FourCC)....................................40
Audio Stream Length...............................10mn 21s 853ms
Audio Stream BitRate..............................125 Kbps
Audio Stream BitRate Mode.........................VBR
Number of Audio Channels..........................2
Audio Channel's Positions.........................Front: L R
Sampling Rate.....................................44.1 KHz
Audio Stream Size.................................9.30 MiB
Audio Stream Title................................(C) 2007 Google Inc. v08.13.2007.
Date of Original Encoding.........................UTC 2009-12-03 20:58:30
