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Thread: Animated JPEGs?

  1. #1
    IV Newbie rookey's Avatar
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    Default Animated JPEGs?

    Hi,

    the camera in my Huawei Mate 10 Pro creates what they call 'moving pictures', which seem to be 'animated JPEGs'.
    I've never encountered this image format before, actually didn't even know JPEGs can contain animations, but then I put this rather on my ignorance ;-)
    However, I noticed that IView doesn't display these animations.

    Is this feature not supported or would I have to use a certain plugin or setting?

    Any help appreciated.

    Thanks!

    ps. I hope my question was placed in the correct section of the board, if not, feel free to move of course
    Last edited by rookey; 01.01.2019 at 05:07 AM. Reason: corrected smartphone model

  2. #2
    Moderator Enterprise User Bhikkhu Pesala's Avatar
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    I never heard anything about animated JPEG. I could not find any recent information either.

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    Hobby User Kuki Dent's Avatar
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    Hi rookey,

    each image or video has a small code at the beginning, eg 'GIF89a' for GIF-images of 'JFIF' for JPG/JPEG-images. With an image open in IrfanView
    press F3 to show this information.
    Since Irfanview will not load your image/video, try Notepad or another text editor to get the information (drag the image/video on an open Notepad window)
    and post the code or the first 20 bytes here. May be then someone knows how this files can be viewed.
    When the power of love overcomes the love of power, the world will know peace - Jimi Hendrix

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    IV Newbie rookey's Avatar
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    Hi,

    I've uploaded it here: https://www.inner-smile.com/20190101000431.jpg

    Interestingly, on the image viewer of the Huawei smartphone, it shows an animation of about 1-2 seconds duration, but I couldn't find any image viewer for desktop which supports this format.

    cheers,
    r.

  5. #5
    Moderator Enterprise User Bhikkhu Pesala's Avatar
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    Clearly, IrfanView does not support this format; so moved to feature requests.

    Unless it becomes popular no one is likely to write a plugin for IrfanView. If they do, Irfan Skiljan might add support in a future version.

    If you want 24-bit animation to use on a web site, try Animated PNG. There are free tools like APNG Assembler that can build animations from multiple still PNG frames. I often use them to display Tabbed Dialogues on my website. GIF is an easier alternative but only supported 256 colours. You still need a program to build animated GIF images. IrfanView can view them, and extract frames, but cannot build them.

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    Hobby User Kuki Dent's Avatar
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    Hi,
    this is a technically interesting picture. Though it has a .JPG suffix and IrfanView does not complain about a wrong picture type, this picture
    has not the awaited JFIF mark at the the beginning (open the picture and press F3 to see the HEX view). Instead it has an EXIF mark there.
    When you open the image information (i) and then open the EXIF information (e), it says in line 5 'ImageDescription - dav', not 'jpeg'.
    Interestingly the EXIF information contains GPS data, which makes it easily possible to locate where exactly the pictur was taken and show
    the position in e.g OpenStreet Maps or Google Maps.
    Maybe this is a screenshot from the first picture of a small video taken with this smartphone.
    When the power of love overcomes the love of power, the world will know peace - Jimi Hendrix

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    Power User j7n's Avatar
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    The image has a standard MP4/h.264/AAC video appended to it at offset 00174AA9 after an unknown table. It plays in common desktop players. Many images, especially from cameras, these days don't contain the JFIF marker, which is only needed to save the DPI.

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    Multiple User Jacal's Avatar
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    (OT: Image taken in Irfan's Vienna.)

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