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lp: add support for MVIMG (fix #468) 

Signed-off-by: Varun Patil <varunpatil@ucla.edu>
pull/563/head
Varun Patil 2023-03-29 16:58:34 -07:00
parent 70c2b0d11d
commit 05cbccceec
1 changed files with 18 additions and 1 deletions
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19
lib/Db/LivePhoto.php
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@ -39,6 +39,23 @@ class LivePhoto
return 'self__embeddedvideo';
}
// Google MVIMG
if (\array_key_exists('MicroVideoOffset', $exif) && ($videoLength = $exif['MicroVideoOffset']) > 0) {
// As explained in the following issue,
// https://github.com/pulsejet/memories/issues/468
//
// MicroVideoOffset is the length of the video in bytes
// and the video is located at the end of the file.
//
// Note that we could have just used "self__trailer" here,
// since exiftool can extract the video from the trailer,
// but explicitly specifying the offset is much faster because
// we don't need to spawn exiftool to read the video file.
$videoOffset = $file->getSize() - $videoLength;
return "self__traileroffset={$videoOffset}";
}
// Google JPEG and Samsung HEIC (Apple?)
if (\array_key_exists('MotionPhoto', $exif)) {
if ('image/jpeg' === $exif['MIMEType']) {
@ -65,7 +82,7 @@ class LivePhoto
if (\is_int($videoLength) && $videoLength > 0) {
$videoOffset = $file->getSize() - $videoLength;
return 'self__traileroffset='.((string) $videoOffset);
return "self__traileroffset={$videoOffset}";
}
}
}