android_device_samsung_msm8.../camera/QCamera2/util/QCameraBufferMaps.cpp

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/* Copyright (c) 2015-2016, The Linux Foundation. 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_TAG "QCameraBufferMaps"
// System dependencies
#include <utils/Errors.h>
#include <stdlib.h>
#include <string.h>
// Camera dependencies
#include "QCameraBufferMaps.h"
using namespace android;
namespace qcamera {
/*===========================================================================
* FUNCTION : QCameraBufferMaps
*
* DESCRIPTION: default constructor of QCameraBufferMaps
*
* PARAMETERS : None
*
* RETURN : None
*==========================================================================*/
QCameraBufferMaps::QCameraBufferMaps()
{
memset(&mBufMapList, 0, sizeof(mBufMapList));
}
/*===========================================================================
* FUNCTION : QCameraBufferMaps
*
* DESCRIPTION: copy constructor of QCameraBufferMaps
*
* PARAMETERS :
* @pBufferMaps : object to be copied
*
* RETURN : None
*==========================================================================*/
QCameraBufferMaps::QCameraBufferMaps(const QCameraBufferMaps& pBufferMaps)
{
memcpy(&mBufMapList, &pBufferMaps.mBufMapList, sizeof(mBufMapList));
}
/*===========================================================================
* FUNCTION : QCameraBufferMaps
*
* DESCRIPTION: constructor of QCameraBufferMaps
*
* PARAMETERS :
* @pBufMapList : list of buffer maps
*
* RETURN : None
*==========================================================================*/
QCameraBufferMaps::QCameraBufferMaps(const cam_buf_map_type_list& pBufMapList)
{
memcpy(&mBufMapList, &pBufMapList, sizeof(mBufMapList));
}
/*===========================================================================
* FUNCTION : QCameraBufferMaps
*
* DESCRIPTION: constructor of QCameraBufferMaps
*
* PARAMETERS :
* @pType : Type of buffer
* @pStreamId : Stream id
* @pFrameIndex : Frame index
* @pPlaneIndex : Plane index
* @pCookie : Could be job_id to identify mapping job
* @pFd : Origin file descriptor
* @pSize : Size of the buffer
*
* RETURN : None
*==========================================================================*/
QCameraBufferMaps::QCameraBufferMaps(cam_mapping_buf_type pType,
uint32_t pStreamId,
uint32_t pFrameIndex,
int32_t pPlaneIndex,
uint32_t pCookie,
int32_t pFd,
size_t pSize)
{
memset(&mBufMapList, 0, sizeof(mBufMapList));
enqueue(pType, pStreamId, pFrameIndex, pPlaneIndex, pCookie, pFd, pSize);
}
/*===========================================================================
* FUNCTION : ~QCameraBufferMaps
*
* DESCRIPTION: destructor of QCameraBufferMaps
*
* PARAMETERS : None
*
* RETURN : None
*==========================================================================*/
QCameraBufferMaps::~QCameraBufferMaps()
{
}
/*===========================================================================
* FUNCTION : operator=
*
* DESCRIPTION: assignment operator of QCameraBufferMaps
*
* PARAMETERS :
* @pBufferMaps : object to be copied
*
* RETURN : *this, with updated contents
*==========================================================================*/
QCameraBufferMaps& QCameraBufferMaps::operator=(const QCameraBufferMaps& pBufferMaps)
{
if (&pBufferMaps != this) {
memcpy(&mBufMapList, &pBufferMaps.mBufMapList, sizeof(mBufMapList));
}
return *this;
}
/*===========================================================================
* FUNCTION : enqueue
*
* DESCRIPTION: Add a buffer map
*
* PARAMETERS :
* @pType : Type of buffer
* @pStreamId : Stream id
* @pFrameIndex : Frame index
* @pPlaneIndex : Plane index
* @pCookie : Could be job_id to identify mapping job
* @pFd : Origin file descriptor
* @pSize : Size of the buffer
*
* RETURN : int32_t type of status
* NO_ERROR -- success
* none-zero failure code
*==========================================================================*/
uint32_t QCameraBufferMaps::enqueue(cam_mapping_buf_type pType,
uint32_t pStreamId,
uint32_t pFrameIndex,
int32_t pPlaneIndex,
uint32_t pCookie,
int32_t pFd,
size_t pSize)
{
uint32_t pos = mBufMapList.length++;
mBufMapList.buf_maps[pos].type = pType;
mBufMapList.buf_maps[pos].stream_id = pStreamId;
mBufMapList.buf_maps[pos].frame_idx = pFrameIndex;
mBufMapList.buf_maps[pos].plane_idx = pPlaneIndex;
mBufMapList.buf_maps[pos].cookie = pCookie;
mBufMapList.buf_maps[pos].fd = pFd;
mBufMapList.buf_maps[pos].size = pSize;
return NO_ERROR;
}
/*===========================================================================
* FUNCTION : getCamBufMapList
*
* DESCRIPTION: Populate the list
*
* PARAMETERS :
* @pBufMapList : [output] the list of buffer maps
*
* RETURN : int32_t type of status
* NO_ERROR -- success
* none-zero failure code
*==========================================================================*/
uint32_t QCameraBufferMaps::getCamBufMapList(cam_buf_map_type_list& pBufMapList) const
{
memcpy(&pBufMapList, &mBufMapList, sizeof(pBufMapList));
return NO_ERROR;
}
/*===========================================================================
* FUNCTION : makeSingletonBufMapList
*
* DESCRIPTION: Create a buffer map list of a single element
*
* PARAMETERS :
* @pType : Type of buffer
* @pStreamId : Stream id
* @pFrameIndex : Frame index
* @pPlaneIndex : Plane index
* @pCookie : Could be job_id to identify mapping job
* @pFd : Origin file descriptor
* @pSize : Size of the buffer
* @pBufMapList : [output] the list of buffer maps
*
* RETURN : int32_t type of status
* NO_ERROR -- success
* none-zero failure code
*==========================================================================*/
uint32_t QCameraBufferMaps::makeSingletonBufMapList(cam_mapping_buf_type pType,
uint32_t pStreamId,
uint32_t pFrameIndex,
int32_t pPlaneIndex,
uint32_t pCookie,
int32_t pFd,
size_t pSize,
cam_buf_map_type_list& pBufMapList)
{
uint32_t rc = NO_ERROR;
QCameraBufferMaps bufferMaps(pType,
pStreamId,
pFrameIndex,
pPlaneIndex,
pCookie,
pFd,
pSize);
rc = bufferMaps.getCamBufMapList(pBufMapList);
return rc;
}
}; // namespace qcamera