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android: camera_device: Use Camera properties for static Metadata

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Construct two example static metadata to be reported to the Android
framework using the properties reported by the Camera.

Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
This commit is contained in:
Jacopo Mondi 2019-11-20 17:00:49 +01:00
parent f8951ee720
commit 857a216fd5
1 changed files with 27 additions and 2 deletions
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29
src/android/camera_device.cpp
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@ -8,6 +8,9 @@
#include "camera_device.h"
#include "camera_ops.h"
#include <libcamera/controls.h>
#include <libcamera/property_ids.h>
#include "log.h"
#include "utils.h"
@ -109,6 +112,8 @@ const camera_metadata_t *CameraDevice::getStaticMetadata()
if (staticMetadata_)
return staticMetadata_->get();
const ControlList &properties = camera_->properties();
/*
* The here reported metadata are enough to implement a basic capture
* example application, but a real camera implementation will require
@ -273,9 +278,15 @@ const camera_metadata_t *CameraDevice::getStaticMetadata()
staticMetadata_->addEntry(ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE,
&exposureTimeRange, 2);
/*
* The Android orientation metadata and libcamera rotation property are
* defined differently but have identical numerical values for Android
* devices such as phones and tablets.
*/
int32_t orientation = 0;
staticMetadata_->addEntry(ANDROID_SENSOR_ORIENTATION,
&orientation, 1);
if (properties.contains(properties::Rotation))
orientation = properties.get(properties::Rotation);
staticMetadata_->addEntry(ANDROID_SENSOR_ORIENTATION, &orientation, 1);
std::vector<int32_t> testPatterModes = {
ANDROID_SENSOR_TEST_PATTERN_MODE_OFF,
@ -322,6 +333,20 @@ const camera_metadata_t *CameraDevice::getStaticMetadata()
lensApertures.size());
uint8_t lensFacing = ANDROID_LENS_FACING_FRONT;
if (properties.contains(properties::Location)) {
int32_t location = properties.get(properties::Location);
switch (location) {
case properties::CameraLocationFront:
lensFacing = ANDROID_LENS_FACING_FRONT;
break;
case properties::CameraLocationBack:
lensFacing = ANDROID_LENS_FACING_BACK;
break;
case properties::CameraLocationExternal:
lensFacing = ANDROID_LENS_FACING_EXTERNAL;
break;
}
}
staticMetadata_->addEntry(ANDROID_LENS_FACING, &lensFacing, 1);
std::vector<float> lensFocalLenghts = {