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  1. Hi Guys,

    I have some Dashcam video files that I wish to crop.
    The Dashcam has a very wide view and I wish to concentrate the viewer's attention to the important parts of the scene.
    The files are quicktime mpeg-4 .mov
    I will paste below the output of MediaInfo for one of the files.
    Any recommendations appreciated.

    Complete name : C:\xxx.MOV
    Format : MPEG-4
    Format profile : QuickTime
    Codec ID : qt 0000.00 (qt )
    File size : 346 MiB
    Duration : 3mn 1s
    Overall bit rate : 16.0 Mbps
    Movie_More : Brand
    Encoded date : UTC Date Time
    Tagged date : UTC Date Time
    Origin : NVT-IM

    ID : 1
    Format : AVC
    Format/Info : Advanced Video Codec
    Format profile : High@L4.1
    Format settings, CABAC : Yes
    Format settings, ReFrames : 1 frame
    Format settings, GOP : M=1, N=15
    Codec ID : avc1
    Codec ID/Info : Advanced Video Coding
    Duration : 3mn 1s
    Bit rate : 14.9 Mbps
    Width : 1 920 pixels
    Height : 1 080 pixels
    Display aspect ratio : 16:9
    Frame rate mode : Constant
    Frame rate : 30.000 fps
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Progressive
    Bits/(Pixel*Frame) : 0.239
    Stream size : 321 MiB (93%)
    Language : English
    Encoded date : UTC Date Time
    Tagged date : UTC Date Time

    ID : 2
    Format : PCM
    Format settings, Endianness : Little
    Format settings, Sign : Signed
    Codec ID : sowt
    Duration : 3mn 1s
    Bit rate mode : Constant
    Bit rate : 512 Kbps
    Channel(s) : 1 channel
    Sampling rate : 32.0 KHz
    Bit depth : 16 bits
    Stream size : 11.0 MiB (3%)
    Language : English
    Encoded date : UTC Date Time
    Tagged date : UTC Date Time
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  2. Crop to a fixed region or a fixed size that moves around in the video frame?
    Quote Quote  
  3. Good question.

    A fixed region would be easiest, black borders would be best, and there is no need to maintain aspect ratio.
    But out of curiosity, would the software choice be different for a region that changes when the scene changes?

    Quote Quote  
  4. Using almost any advanced NLE, zoom in and control the X-Y position with keyframes. It's called the Ken Burns Effect.
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