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-rw-r--r--camera/QCamera2/HAL/QCamera2Factory.cpp208
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diff --git a/camera/QCamera2/HAL/QCamera2Factory.cpp b/camera/QCamera2/HAL/QCamera2Factory.cpp
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-/* Copyright (c) 2012-2013, The Linux Foundataion. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- * * Neither the name of The Linux Foundation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
- * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#define LOG_NIDEBUG 0
-#define LOG_TAG "QCamera2Factory"
-
-#include <stdlib.h>
-#include <utils/Errors.h>
-#include <hardware/camera.h>
-
-#include "QCamera2Factory.h"
-
-namespace qcamera {
-
-QCamera2Factory gQCamera2Factory;
-
-/*===========================================================================
- * FUNCTION : QCamera2Factory
- *
- * DESCRIPTION: default constructor of QCamera2Factory
- *
- * PARAMETERS : none
- *
- * RETURN : None
- *==========================================================================*/
-QCamera2Factory::QCamera2Factory()
-{
- mNumOfCameras = get_num_of_cameras();
-}
-
-/*===========================================================================
- * FUNCTION : ~QCamera2Factory
- *
- * DESCRIPTION: deconstructor of QCamera2Factory
- *
- * PARAMETERS : none
- *
- * RETURN : None
- *==========================================================================*/
-QCamera2Factory::~QCamera2Factory()
-{
-}
-
-/*===========================================================================
- * FUNCTION : get_number_of_cameras
- *
- * DESCRIPTION: static function to query number of cameras detected
- *
- * PARAMETERS : none
- *
- * RETURN : number of cameras detected
- *==========================================================================*/
-int QCamera2Factory::get_number_of_cameras()
-{
- return gQCamera2Factory.getNumberOfCameras();
-}
-
-/*===========================================================================
- * FUNCTION : get_camera_info
- *
- * DESCRIPTION: static function to query camera information with its ID
- *
- * PARAMETERS :
- * @camera_id : camera ID
- * @info : ptr to camera info struct
- *
- * RETURN : int32_t type of status
- * NO_ERROR -- success
- * none-zero failure code
- *==========================================================================*/
-int QCamera2Factory::get_camera_info(int camera_id, struct camera_info *info)
-{
- return gQCamera2Factory.getCameraInfo(camera_id, info);
-}
-
-/*===========================================================================
- * FUNCTION : getNumberOfCameras
- *
- * DESCRIPTION: query number of cameras detected
- *
- * PARAMETERS : none
- *
- * RETURN : number of cameras detected
- *==========================================================================*/
-int QCamera2Factory::getNumberOfCameras()
-{
- return mNumOfCameras;
-}
-
-/*===========================================================================
- * FUNCTION : getCameraInfo
- *
- * DESCRIPTION: query camera information with its ID
- *
- * PARAMETERS :
- * @camera_id : camera ID
- * @info : ptr to camera info struct
- *
- * RETURN : int32_t type of status
- * NO_ERROR -- success
- * none-zero failure code
- *==========================================================================*/
-int QCamera2Factory::getCameraInfo(int camera_id, struct camera_info *info)
-{
- int rc;
- ALOGV("%s: E, camera_id = %d", __func__, camera_id);
-
- if (!mNumOfCameras || camera_id >= mNumOfCameras || !info) {
- return INVALID_OPERATION;
- }
-
- rc = QCamera2HardwareInterface::getCapabilities((uint32_t)camera_id, info);
- ALOGV("%s: X", __func__);
- return rc;
-}
-
-/*===========================================================================
- * FUNCTION : cameraDeviceOpen
- *
- * DESCRIPTION: open a camera device with its ID
- *
- * PARAMETERS :
- * @camera_id : camera ID
- * @hw_device : ptr to struct storing camera hardware device info
- *
- * RETURN : int32_t type of status
- * NO_ERROR -- success
- * none-zero failure code
- *==========================================================================*/
-int QCamera2Factory::cameraDeviceOpen(int camera_id,
- struct hw_device_t **hw_device)
-{
- int rc = NO_ERROR;
- if (camera_id < 0 || camera_id >= mNumOfCameras)
- return BAD_VALUE;
-
- QCamera2HardwareInterface *hw = new QCamera2HardwareInterface((uint32_t)camera_id);
- if (!hw) {
- ALOGE("Allocation of hardware interface failed");
- return NO_MEMORY;
- }
- rc = hw->openCamera(hw_device);
- if (rc != NO_ERROR) {
- delete hw;
- }
- return rc;
-}
-
-/*===========================================================================
- * FUNCTION : camera_device_open
- *
- * DESCRIPTION: static function to open a camera device by its ID
- *
- * PARAMETERS :
- * @camera_id : camera ID
- * @hw_device : ptr to struct storing camera hardware device info
- *
- * RETURN : int32_t type of status
- * NO_ERROR -- success
- * none-zero failure code
- *==========================================================================*/
-int QCamera2Factory::camera_device_open(
- const struct hw_module_t *module, const char *id,
- struct hw_device_t **hw_device)
-{
- if (module != &HAL_MODULE_INFO_SYM.common) {
- ALOGE("Invalid module. Trying to open %p, expect %p",
- module, &HAL_MODULE_INFO_SYM.common);
- return INVALID_OPERATION;
- }
- if (!id) {
- ALOGE("Invalid camera id");
- return BAD_VALUE;
- }
- return gQCamera2Factory.cameraDeviceOpen(atoi(id), hw_device);
-}
-
-struct hw_module_methods_t QCamera2Factory::mModuleMethods = {
- open: QCamera2Factory::camera_device_open,
-};
-
-}; // namespace qcamera