What codec does 4K use?

Discussion in 'iPhone' started by Sonmi451, Oct 10, 2015.

  1. Sonmi451 Suspended

    Joined:
    Aug 28, 2014
    Location:
    Tesla
    #1
    does anyone know what codec they are using for 4K? If you have a screenshot of the media info that would be helpful. I tried searching the Internet and didn't find anything. Thanks!
     
  2. Sonmi451 thread starter Suspended

    Joined:
    Aug 28, 2014
    Location:
    Tesla
    #2
    Well since none of you guys are any help I will post the info here for posterity:

    General
    Complete name : IMG_0048.m4v
    Format : MPEG-4
    Format profile : QuickTime
    Codec ID : qt
    File size : 30.1 MiB
    Duration : 10s 242ms
    Overall bit rate mode : Variable
    Overall bit rate : 24.7 Mbps
    Encoded date : UTC 2015-10-10 22:08:14
    Tagged date : UTC 2015-10-10 22:08:21
    Writing library : Apple QuickTime
    com.apple.quicktime.make : Apple
    com.apple.quicktime.model : iPhone 6s
    com.apple.quicktime.software : 9.1
    com.apple.quicktime.creationdate : 2015-10-04T17:25:10-0700

    Video
    ID : 2
    Format : AVC
    Format/Info : Advanced Video Codec
    Format profile : High@L5.1
    Format settings, CABAC : Yes
    Format settings, ReFrames : 2 frames
    Format settings, GOP : M=2, N=30
    Codec ID : avc1
    Codec ID/Info : Advanced Video Coding
    Duration : 10s 242ms
    Bit rate mode : Variable
    Bit rate : 24.6 Mbps
    Maximum bit rate : 768 Kbps
    Width : 3 840 pixels
    Height : 2 160 pixels
    Display aspect ratio : 16:9
    Frame rate mode : Variable
    Frame rate : 29.970 fps
    Original frame rate : 25.000 fps
    Minimum frame rate : 28.571 fps
    Maximum frame rate : 30.000 fps
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Progressive
    Bits/(Pixel*Frame) : 0.099
    Stream size : 30.0 MiB (100%)
    Title : Core Media Video
    Encoded date : UTC 2015-10-10 22:08:14
    Tagged date : UTC 2015-10-10 22:08:21
    Color range : Limited
    Color primaries : BT.709
    Transfer characteristics : BT.709
    Matrix coefficients : BT.709

    Audio
    ID : 1
    Format : AAC
    Format/Info : Advanced Audio Codec
    Format profile : LC
    Codec ID : 40
    Duration : 10s 240ms
    Source duration : 10s 310ms
    Bit rate mode : Variable
    Bit rate : 86.5 Kbps
    Channel(s) : 1 channel
    Channel positions : Front: C
    Sampling rate : 44.1 KHz
    Compression mode : Lossy
    Stream size : 108 KiB (0%)
    Source stream size : 109 KiB (0%)
    Title : Core Media Audio
    Encoded date : UTC 2015-10-10 22:08:14
    Tagged date : UTC 2015-10-10 22:08:21

    Other #1
    Type : meta
    Duration : 10s 242ms
    Bit rate mode : VBR

    Other #2
    Type : meta
    Duration : 10s 242ms
     

Share This Page