Details on iPhone 4 video
Tuesday, June 29, 2010 at 4:01PM I know, I know, I need to finish posting about the iPad video (i had it half written and it got deleted in a tragic blog accident). While I pull myself together to rewrite it, I thought I'd post some clips fro the iPhone 4 camera showing what its cameras can do.
I've published 4 different clips - 2 from the rear camera which records 720p content and two from the front facing camera which does 480p content. One clip from each is is direct sunlight, while the other is in shade. The details that stand out to me is the 720p camera records at 10.5 Mbps and the 480p records around 3.5 Mbps. The video codec, of course, is H.264 (Apple's consumer codec of choice). Ironically, Final Cut Pro can not yet edit H.264 content very well, but iMovie for the iPhone has been released for editing short movies right on the phone.
All in all, for a phone video camera, it does a fairly good job, though the colors on the flowers in the sunlight seem a little over saturated (though only on the rear facing HD camera). People are already taking advantage of that HD camera for more than just home movies - I found this link pointing to a short film shot and edited (in iMovie) on the iPhone 4 by Michael Koerbel.
Want to check the videos out for yourself? Click here to download all four clips.
Front Facing Camera Report (640x480)
General / Container Stream #1
Total Video Streams for this File.................1
Total Audio Streams for this File.................1
Video Codecs Used.................................AVC
Audio Codecs Used.................................AAC LC-PS
File Format.......................................MPEG-4
Play Time.........................................14s 326ms
Total File Size...................................6.24 MiB
Total Stream BitRate..............................3 656 Kbps
Encoded with......................................4.0
Encoding Library..................................Apple QuickTime
Video Stream #1
Codec (Human Name)................................AVC
Codec (FourCC)....................................avc1
Codec Profile.....................................Baseline@L3.0
Frame Width.......................................640 pixels
Frame Height......................................480 pixels
Frame Rate........................................29.970 fps
Total Frames......................................429
Display Aspect Ratio..............................4:3
Scan Type.........................................Progressive
Color Space.......................................YUV
Codec Settings (Summary)..........................1 Ref Frames
QF (like Gordian Knot)............................0.389
Codec Settings (CABAC)............................No
Codec Settings (Reference Frames).................1
Video Stream Length...............................14s 313ms
Video Stream BitRate..............................3 583 Kbps
Video Stream BitRate Mode.........................VBR
Bit Depth.........................................8 bits
Video Stream Size.................................6.11 MiB (98%)
Video Stream Title................................Core Media Video
Date of Original Encoding.........................UTC 2010-06-29 21:19:12
Color Primaries...................................BT.601-6 525, BT.1358 525, BT.1700 NTSC, SMPTE 170M
Transfer Characteristics..........................BT.709-5, BT.1361
Matrix Coefficients...............................BT.601-6 525, BT.1358 525, BT.1700 NTSC, SMPTE 170M
Audio Stream #1
Codec.............................................AAC
Codec (FourCC)....................................40
Audio Stream Length...............................14s 326ms
Audio Stream BitRate..............................64.0 Kbps
Audio Stream BitRate Mode.........................CBR
Number of Audio Channels..........................2
Audio Channel's Positions.........................Front: L R
Sampling Rate.....................................44.1 KHz
Audio Stream Size.................................112 KiB (2%)
Audio Stream Title................................Core Media Audio
Date of Original Encoding.........................UTC 2010-06-29 21:19:12
Rear Facing Camera Report (1280 x 720)
General / Container Stream #1
Total Video Streams for this File.................1
Total Audio Streams for this File.................1
Video Codecs Used.................................AVC
Audio Codecs Used.................................AAC LC-PS
File Format.......................................MPEG-4
Play Time.........................................17s 461ms
Total File Size...................................21.9 MiB
Total Stream BitRate..............................10.5 Mbps
Encoded with......................................4.0
Encoding Library..................................Apple QuickTime
Video Stream #1
Codec (Human Name)................................AVC
Codec (FourCC)....................................avc1
Codec Profile.....................................Baseline@L3.1
Frame Width.......................................1 280 pixels
Frame Height......................................720 pixels
Frame Rate........................................29.970 fps
Total Frames......................................523
Display Aspect Ratio..............................16:9
Scan Type.........................................Progressive
Color Space.......................................YUV
Codec Settings (Summary)..........................1 Ref Frames
QF (like Gordian Knot)............................0.379
Codec Settings (CABAC)............................No
Codec Settings (Reference Frames).................1
Video Stream Length...............................17s 451ms
Video Stream BitRate..............................10.5 Mbps
Video Stream BitRate Mode.........................VBR
Bit Depth.........................................8 bits
Video Stream Size.................................21.8 MiB (99%)
Video Stream Title................................Core Media Video
Date of Original Encoding.........................UTC 2010-06-29 21:18:46
Color Primaries...................................BT.601-6 525, BT.1358 525, BT.1700 NTSC, SMPTE 170M
Transfer Characteristics..........................BT.709-5, BT.1361
Matrix Coefficients...............................BT.601-6 525, BT.1358 525, BT.1700 NTSC, SMPTE 170M
Audio Stream #1
Codec.............................................AAC
Codec (FourCC)....................................40
Audio Stream Length...............................17s 461ms
Audio Stream BitRate..............................64.0 Kbps
Audio Stream BitRate Mode.........................CBR
Number of Audio Channels..........................2
Audio Channel's Positions.........................Front: L R
Sampling Rate.....................................44.1 KHz
Audio Stream Size.................................136 KiB (1%)
Audio Stream Title................................Core Media Audio
Date of Original Encoding.........................UTC 2010-06-29 21:18:46
camera test, h.264, iphone4, video in Cool Things, Ramblings