Re: Strange `IMG_E` files from an iPhone

On Fri, Jan 29, 2021 at 11:39 PM Marcus Meissner <[email protected]> wrote:
> It should not be detected as image/jpeg ... I would need to see the part
> of the debugtrace where this file is mentioned if there is a bug there.

Thanks, here's the debug block:

    1.383474 debug_objectinfo            (2): ObjectInfo for 'IMG_E0679.HEIC':
    1.383494 debug_objectinfo            (2):   Object ID: 0x00000796
    1.383509 debug_objectinfo            (2):   StorageID: 0x00010001
    1.383521 debug_objectinfo            (2):   ObjectFormat: 0x3801
    1.383534 debug_objectinfo            (2):   ProtectionStatus: 0x0000
    1.383546 debug_objectinfo            (2):   ObjectCompressedSize: 3531427
    1.383558 debug_objectinfo            (2):   ThumbFormat: 0x3808
    1.383569 debug_objectinfo            (2):   ThumbCompressedSize: 65536
    1.383581 debug_objectinfo            (2):   ThumbPixWidth: 0
    1.383594 debug_objectinfo            (2):   ThumbPixHeight: 0
    1.383606 debug_objectinfo            (2):   ImagePixWidth: 3024
    1.383618 debug_objectinfo            (2):   ImagePixHeight: 4032
    1.383629 debug_objectinfo            (2):   ImageBitDepth: 0
    1.383641 debug_objectinfo            (2):   ParentObject: 0x00000002
    1.383653 debug_objectinfo            (2):   AssociationType: 0x0000
    1.383665 debug_objectinfo            (2):   AssociationDesc: 0x00000000
    1.383677 debug_objectinfo            (2):   SequenceNumber: 0x00000000
    1.383689 debug_objectinfo            (2):   ModificationDate: 0x5f872447
    1.383701 debug_objectinfo            (2):   CaptureDate: 0x5cfdb49c

It looks a lot like a JPEG:

    $ xxd -l 2 IMG_E0679.HEIC
    00000000: ffd8                                     ..
    $ djpeg -verbose -outfile /dev/null IMG_E0679.HEIC
    […]
    Start of Image
    Miscellaneous marker 0xe1, length 2180
    Miscellaneous marker 0xe2, length 562
    Define Quantization Table 0  precision 0
    Define Quantization Table 1  precision 0
    Define Restart Interval 189
    Start Of Frame 0xc0: width=3024, height=4032, components=3
        Component 1: 2hx2v q=0
        Component 2: 1hx1v q=1
        Component 3: 1hx1v q=1
    Define Huffman Table 0x00
    Define Huffman Table 0x10
    Define Huffman Table 0x01
    Define Huffman Table 0x11
    Start Of Scan: 3 components
        Component 1: dc=0 ac=0
        Component 2: dc=1 ac=1
        Component 3: dc=1 ac=1
    Ss=0, Se=63, Ah=0, Al=0
    Premature end of JPEG file
    End Of Image


_______________________________________________
Gphoto-user mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/gphoto-user