modules: camera: add get_camera_info support
Basic static metadata statically constructed from preprocessor passes
over an array of camera metadata tags.
Change-Id: I16ea9f4d68120d5a0bc010a4a67b0cbcd761329e
diff --git a/modules/camera/Camera.cpp b/modules/camera/Camera.cpp
index 718d42b..76fe1a0 100644
--- a/modules/camera/Camera.cpp
+++ b/modules/camera/Camera.cpp
@@ -19,7 +19,9 @@
#include <hardware/camera3.h>
#include <sync/sync.h>
#include <system/camera_metadata.h>
+#include <system/graphics.h>
#include "CameraHAL.h"
+#include "Metadata.h"
#include "Stream.h"
//#define LOG_NDEBUG 0
@@ -34,6 +36,8 @@
#define CAMERA_SYNC_TIMEOUT 5000 // in msecs
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
+
namespace default_camera_hal {
extern "C" {
@@ -48,6 +52,7 @@
Camera::Camera(int id)
: mId(id),
+ mStaticInfo(NULL),
mBusy(false),
mCallbackOps(NULL),
mStreams(NULL),
@@ -59,6 +64,7 @@
memset(&mDevice, 0, sizeof(mDevice));
mDevice.common.tag = HARDWARE_DEVICE_TAG;
+ mDevice.common.version = CAMERA_DEVICE_API_VERSION_3_0;
mDevice.common.close = close_device;
mDevice.ops = const_cast<camera3_device_ops_t*>(&sOps);
mDevice.priv = this;
@@ -88,6 +94,25 @@
return 0;
}
+int Camera::getInfo(struct camera_info *info)
+{
+ int ret = 0;
+
+ info->facing = CAMERA_FACING_FRONT;
+ info->orientation = 0;
+ info->device_version = mDevice.common.version;
+
+ pthread_mutex_lock(&mMutex);
+ if (mStaticInfo == NULL) {
+ ret = initStaticInfo();
+ }
+ pthread_mutex_unlock(&mMutex);
+
+ info->static_camera_characteristics = mStaticInfo;
+
+ return ret;
+}
+
int Camera::close()
{
ALOGI("%s:%d: Closing camera device", __func__, mId);
@@ -113,6 +138,141 @@
return 0;
}
+int Camera::initStaticInfo()
+{
+ /*
+ * Setup static camera info. This will have to customized per camera
+ * device.
+ */
+
+ /* android.control */
+ int32_t android_control_ae_available_target_fps_ranges[] = {30, 30};
+ mMetadata.addInt32(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES,
+ ARRAY_SIZE(android_control_ae_available_target_fps_ranges),
+ android_control_ae_available_target_fps_ranges);
+
+ int32_t android_control_ae_compensation_range[] = {-4, 4};
+ mMetadata.addInt32(ANDROID_CONTROL_AE_COMPENSATION_RANGE,
+ ARRAY_SIZE(android_control_ae_compensation_range),
+ android_control_ae_compensation_range);
+
+ camera_metadata_rational_t android_control_ae_compensation_step[] = {{2,1}};
+ mMetadata.addRational(ANDROID_CONTROL_AE_COMPENSATION_STEP,
+ ARRAY_SIZE(android_control_ae_compensation_step),
+ android_control_ae_compensation_step);
+
+ int32_t android_control_max_regions[] = {1};
+ mMetadata.addInt32(ANDROID_CONTROL_MAX_REGIONS,
+ ARRAY_SIZE(android_control_max_regions),
+ android_control_max_regions);
+
+ /* android.jpeg */
+ int32_t android_jpeg_available_thumbnail_sizes[] = {0, 0, 128, 96};
+ mMetadata.addInt32(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES,
+ ARRAY_SIZE(android_jpeg_available_thumbnail_sizes),
+ android_jpeg_available_thumbnail_sizes);
+
+ /* android.lens */
+ float android_lens_info_available_focal_lengths[] = {1.0};
+ mMetadata.addFloat(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS,
+ ARRAY_SIZE(android_lens_info_available_focal_lengths),
+ android_lens_info_available_focal_lengths);
+
+ /* android.request */
+ int32_t android_request_max_num_output_streams[] = {0, 3, 1};
+ mMetadata.addInt32(ANDROID_REQUEST_MAX_NUM_OUTPUT_STREAMS,
+ ARRAY_SIZE(android_request_max_num_output_streams),
+ android_request_max_num_output_streams);
+
+ /* android.scaler */
+ int32_t android_scaler_available_formats[] = {
+ HAL_PIXEL_FORMAT_RAW_SENSOR,
+ HAL_PIXEL_FORMAT_BLOB,
+ HAL_PIXEL_FORMAT_RGBA_8888,
+ HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED,
+ // These are handled by YCbCr_420_888
+ // HAL_PIXEL_FORMAT_YV12,
+ // HAL_PIXEL_FORMAT_YCrCb_420_SP,
+ HAL_PIXEL_FORMAT_YCbCr_420_888};
+ mMetadata.addInt32(ANDROID_SCALER_AVAILABLE_FORMATS,
+ ARRAY_SIZE(android_scaler_available_formats),
+ android_scaler_available_formats);
+
+ int64_t android_scaler_available_jpeg_min_durations[] = {1};
+ mMetadata.addInt64(ANDROID_SCALER_AVAILABLE_JPEG_MIN_DURATIONS,
+ ARRAY_SIZE(android_scaler_available_jpeg_min_durations),
+ android_scaler_available_jpeg_min_durations);
+
+ int32_t android_scaler_available_jpeg_sizes[] = {640, 480};
+ mMetadata.addInt32(ANDROID_SCALER_AVAILABLE_JPEG_SIZES,
+ ARRAY_SIZE(android_scaler_available_jpeg_sizes),
+ android_scaler_available_jpeg_sizes);
+
+ float android_scaler_available_max_digital_zoom[] = {1};
+ mMetadata.addFloat(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM,
+ ARRAY_SIZE(android_scaler_available_max_digital_zoom),
+ android_scaler_available_max_digital_zoom);
+
+ int64_t android_scaler_available_processed_min_durations[] = {1};
+ mMetadata.addInt64(ANDROID_SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS,
+ ARRAY_SIZE(android_scaler_available_processed_min_durations),
+ android_scaler_available_processed_min_durations);
+
+ int32_t android_scaler_available_processed_sizes[] = {640, 480};
+ mMetadata.addInt32(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES,
+ ARRAY_SIZE(android_scaler_available_processed_sizes),
+ android_scaler_available_processed_sizes);
+
+ int64_t android_scaler_available_raw_min_durations[] = {1};
+ mMetadata.addInt64(ANDROID_SCALER_AVAILABLE_RAW_MIN_DURATIONS,
+ ARRAY_SIZE(android_scaler_available_raw_min_durations),
+ android_scaler_available_raw_min_durations);
+
+ int32_t android_scaler_available_raw_sizes[] = {640, 480};
+ mMetadata.addInt32(ANDROID_SCALER_AVAILABLE_RAW_SIZES,
+ ARRAY_SIZE(android_scaler_available_raw_sizes),
+ android_scaler_available_raw_sizes);
+
+ /* android.sensor */
+
+ int32_t android_sensor_info_active_array_size[] = {0, 0, 640, 480};
+ mMetadata.addInt32(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE,
+ ARRAY_SIZE(android_sensor_info_active_array_size),
+ android_sensor_info_active_array_size);
+
+ int32_t android_sensor_info_available_sensitivities[] =
+ {100, 200, 400, 800, 1600};
+ mMetadata.addInt32(ANDROID_SENSOR_INFO_AVAILABLE_SENSITIVITIES,
+ ARRAY_SIZE(android_sensor_info_available_sensitivities),
+ android_sensor_info_available_sensitivities);
+
+ int64_t android_sensor_info_max_frame_duration[] = {30000000000};
+ mMetadata.addInt64(ANDROID_SENSOR_INFO_MAX_FRAME_DURATION,
+ ARRAY_SIZE(android_sensor_info_max_frame_duration),
+ android_sensor_info_max_frame_duration);
+
+ float android_sensor_info_physical_size[] = {3.2, 2.4};
+ mMetadata.addFloat(ANDROID_SENSOR_INFO_PHYSICAL_SIZE,
+ ARRAY_SIZE(android_sensor_info_physical_size),
+ android_sensor_info_physical_size);
+
+ int32_t android_sensor_info_pixel_array_size[] = {640, 480};
+ mMetadata.addInt32(ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE,
+ ARRAY_SIZE(android_sensor_info_pixel_array_size),
+ android_sensor_info_pixel_array_size);
+
+ int32_t android_sensor_orientation[] = {0};
+ mMetadata.addInt32(ANDROID_SENSOR_ORIENTATION,
+ ARRAY_SIZE(android_sensor_orientation),
+ android_sensor_orientation);
+
+ /* End of static camera characteristics */
+
+ mStaticInfo = mMetadata.generate();
+
+ return 0;
+}
+
int Camera::configureStreams(camera3_stream_configuration_t *stream_config)
{
camera3_stream_t *astream;