https://www.php.net/manual/zh/imagick.rotateimage.php
PHP: Imagick::rotateImage - Manual
phpimagickmanual
https://bugzilla.mozilla.org/show_bug.cgi?id=1113769
1113769 - Handle out of gralloc in MediaEngineGonkVideoSource::RotateImage()
RESOLVED (sotaro.ikeda.g) in Core - WebRTC: Audio/Video. Last updated 2014-12-22.
out ofhandle