I’ve written a part of code that finds the picture in MP3s and reads them out. So far it works well, and most JPEG’s will be embedded as “image/jpg (or jpeg)” MIME type. I can read them using JUCE’s JPEGImageFormat. However, I found one that is just embedded as “JPG” and, although it is a JPG, JUCE can’t seem to properly read it. Windows explorer shows it well. Here’s the data of the first bytes:
This is with JUCE146.
[0x0] 0x10 '␐' unsigned char
[0x1] 0x4a 'J' unsigned char
[0x2] 0x46 'F' unsigned char
[0x3] 0x49 'I' unsigned char
[0x4] 0x46 'F' unsigned char
[0x5] 0x00 unsigned char
[0x6] 0x01 '␁' unsigned char
[0x7] 0x01 '␁' unsigned char
[0x8] 0x01 '␁' unsigned char
[0x9] 0x00 unsigned char
[0xa] 0x64 'd' unsigned char
[0xb] 0x00 unsigned char
[0xc] 0x64 'd' unsigned char
[0xd] 0x00 unsigned char
[0xe] 0x00 unsigned char
[0xf] 0xff 'ÿ' unsigned char
[0x10] 0xdb 'Û' unsigned char
[0x11] 0x00 unsigned char
[0x12] 0x43 'C' unsigned char
[0x13] 0x00 unsigned char
[0x14] 0x03 '␃' unsigned char
[0x15] 0x02 '␂' unsigned char
[0x16] 0x02 '␂' unsigned char
[0x17] 0x03 '␃' unsigned char
[0x18] 0x02 '␂' unsigned char
[0x19] 0x02 '␂' unsigned char
[0x1a] 0x03 '␃' unsigned char
[0x1b] 0x03 '␃' unsigned char
[0x1c] 0x02 '␂' unsigned char
[0x1d] 0x03 '␃' unsigned char