Merge "modules: camera: add get_camera_info support"

1 files changed, 160 insertions, 0 deletions

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 @@ static int close_device(hw_device_t* dev)
 
 Camera::Camera(int id)
   : mId(id),
+    mStaticInfo(NULL),
     mBusy(false),
     mCallbackOps(NULL),
     mStreams(NULL),
@@ -59,6 +64,7 @@ Camera::Camera(int id)
 
     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 @@ int Camera::open(const hw_module_t *module, hw_device_t **device)
     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 @@ int Camera::initialize(const camera3_callback_ops_t *callback_ops)
     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;