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Kindle output: Only re-encode JPEG images with EXIF metadata if the metadata contains actual transpose operations. Fixes #2023189 [[EPUB->MOBI] Calibre MOBI file Size too small](https://bugs.launchpad.net/calibre/+bug/2023189)

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Kovid Goyal 2023-06-07 20:30:22 +05:30
parent 92d62bf9f1
commit 812fecec5f
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1 changed files with 5 additions and 3 deletions
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src/calibre/ebooks/mobi/writer2/resources.py
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@ -27,7 +27,9 @@ def process_jpegs_for_amazon(data: bytes) -> bytes:
# Amazon's MOBI renderer can't render JPEG images without JFIF metadata
# and images with EXIF data dont get displayed on the cover screen
changed = not img.info
if hasattr(img, '_getexif') and img._getexif():
if hasattr(img, 'getexif'):
exif = img.getexif()
if exif.get(0x0112) in (2,3,4,5,6,7,8):
changed = True
img = ImageOps.exif_transpose(img)
if changed: