void CameraMetadata::acquire(CameraMetadata &other) {
if (mLocked) {
ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
return;
}
acquire(other.release());
}
// Create a request object from a template.
// -- Caller owns the newly allocated metadata
status_t ProCamera2Client::createDefaultRequest(int templateId,
/*out*/
camera_metadata** request)
{
ATRACE_CALL();
ALOGV("%s (templateId = 0x%x)", __FUNCTION__, templateId);
if (request) {
*request = NULL;
}
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
Mutex::Autolock icl(mBinderSerializationLock);
if (!mDevice.get()) return DEAD_OBJECT;
CameraMetadata metadata;
if ( (res = mDevice->createDefaultRequest(templateId, &metadata) ) == OK) {
*request = metadata.release();
}
return res;
}
status_t ProCamera2Client::getCameraInfo(int cameraId,
/*out*/
camera_metadata** info)
{
if (cameraId != mCameraId) {
return INVALID_OPERATION;
}
Mutex::Autolock icl(mBinderSerializationLock);
if (!mDevice.get()) return DEAD_OBJECT;
CameraMetadata deviceInfo = mDevice->info();
*info = deviceInfo.release();
return OK;
}
int CameraModule::getCameraInfo(int cameraId, struct camera_info *info) {
Mutex::Autolock lock(mCameraInfoLock);
if (cameraId < 0) {
ALOGE("%s: Invalid camera ID %d", __FUNCTION__, cameraId);
return -EINVAL;
}
// Only override static_camera_characteristics for API2 devices
int apiVersion = mModule->common.module_api_version;
if (apiVersion < CAMERA_MODULE_API_VERSION_2_0) {
return mModule->get_camera_info(cameraId, info);
}
ssize_t index = mCameraInfoMap.indexOfKey(cameraId);
if (index == NAME_NOT_FOUND) {
// Get camera info from raw module and cache it
camera_info rawInfo, cameraInfo;
int ret = mModule->get_camera_info(cameraId, &rawInfo);
if (ret != 0) {
return ret;
}
int deviceVersion = rawInfo.device_version;
if (deviceVersion < CAMERA_DEVICE_API_VERSION_2_0) {
// static_camera_characteristics is invalid
*info = rawInfo;
return ret;
}
CameraMetadata m;
m = rawInfo.static_camera_characteristics;
deriveCameraCharacteristicsKeys(rawInfo.device_version, m);
cameraInfo = rawInfo;
cameraInfo.static_camera_characteristics = m.release();
index = mCameraInfoMap.add(cameraId, cameraInfo);
}
assert(index != NAME_NOT_FOUND);
// return the cached camera info
*info = mCameraInfoMap[index];
return OK;
}
void CameraMetadata::acquire(CameraMetadata &other) {
acquire(other.release());
}