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authorUmang Jain <email@uajain.com>2020-09-09 16:17:54 +0530
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2020-09-10 07:12:46 +0300
commite917655d06ec86224b10b992e036460a7334b407 (patch)
treedca415071d1c9a93f79967f8926dbf35c8a029ad /src/android
parent9ac8f3e96f6d1a3da9158bcb4984d01420b159db (diff)
android: camera_device: Fix value of orientation metadata
Android's orientation metadata cannot have identical numerical value to libcamera's rotation property. This is due to the fact that libcamera's rotation property specifies the correction angle in anticlockwise direction whereas Android's orientation metadata specifies the value in clockwise direction. Fix that by computing corresponding value for clockwise direction from libcamera's rotation property. Signed-off-by: Umang Jain <email@uajain.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'src/android')
-rw-r--r--src/android/camera_device.cpp15
1 files changed, 10 insertions, 5 deletions
diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp
index 25829918..8be846bb 100644
--- a/src/android/camera_device.cpp
+++ b/src/android/camera_device.cpp
@@ -265,12 +265,17 @@ int CameraDevice::initialize()
}
/*
- * The Android orientation metadata and libcamera rotation property are
- * defined differently but have identical numerical values for Android
- * devices such as phones and tablets.
+ * The Android orientation metadata specifies its rotation correction
+ * value in clockwise direction whereas libcamera specifies the
+ * rotation property in anticlockwise direction. Read the libcamera's
+ * rotation property (anticlockwise) and compute the corresponding
+ * value for clockwise direction as required by the Android orientation
+ * metadata.
*/
- if (properties.contains(properties::Rotation))
- orientation_ = properties.get(properties::Rotation);
+ if (properties.contains(properties::Rotation)) {
+ int rotation = properties.get(properties::Rotation);
+ orientation_ = (360 - rotation) % 360;
+ }
int ret = camera_->acquire();
if (ret) {