status_t CameraService::getCameraInfo(int cameraId,
struct CameraInfo* cameraInfo) {
if (cameraId < 0 || cameraId >= mNumberOfCameras) {
return BAD_VALUE;
}
HAL_getCameraInfo(cameraId, cameraInfo);
return OK;
}
sp<ICamera> CameraService::connect(
const sp<ICameraClient>& cameraClient, int cameraId) {
int callingPid = getCallingPid();
LOG1("CameraService::connect E (pid %d, id %d)", callingPid, cameraId);
sp<Client> client;
if (cameraId < 0 || cameraId >= mNumberOfCameras) {
LOGE("CameraService::connect X (pid %d) rejected (invalid cameraId %d).",
callingPid, cameraId);
return NULL;
}
Mutex::Autolock lock(mServiceLock);
if (mClient[cameraId] != 0) {
client = mClient[cameraId].promote();
if (client != 0) {
if (cameraClient->asBinder() == client->getCameraClient()->asBinder()) {
LOG1("CameraService::connect X (pid %d) (the same client)",
callingPid);
return client;
} else {
LOGW("CameraService::connect X (pid %d) rejected (existing client).",
callingPid);
return NULL;
}
}
mClient[cameraId].clear();
}
if (mBusy[cameraId]) {
LOGW("CameraService::connect X (pid %d) rejected"
" (camera %d is still busy).", callingPid, cameraId);
return NULL;
}
sp<CameraHardwareInterface> hardware = HAL_openCameraHardware(cameraId);
if (hardware == NULL) {
LOGE("Fail to open camera hardware (id=%d)", cameraId);
return NULL;
}
CameraInfo info;
HAL_getCameraInfo(cameraId, &info);
client = new Client(this, cameraClient, hardware, cameraId, info.facing,
callingPid);
mClient[cameraId] = client;
#ifdef USE_OVERLAY_FORMAT_YCbCr_420_SP
if (client->mHardware == NULL) {
client = NULL;
mClient[cameraId] = NULL;
return client;
}
#endif
LOG1("CameraService::connect X");
return client;
}
extern "C" int get_camera_info(int camera_id, struct camera_info *info)
{
int rc = -1;
ALOGV("Q%s: E", __func__);
if(info) {
struct CameraInfo camInfo;
memset(&camInfo, -1, sizeof (struct CameraInfo));
HAL_getCameraInfo(camera_id, &camInfo);
if (camInfo.facing >= 0) {
rc = 0;
info->facing = camInfo.facing;
info->orientation = camInfo.orientation;
}
}
ALOGV("Q%s: X", __func__);
return rc;
}
