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/*
* Copyright@ Samsung Electronics Co. LTD
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*!
* \file ExynosBuffer.h
* \brief header file for ExynosBuffer
* \author Sangwoo, Park(sw5771.park@samsung.com)
* \date 2011/06/02
*
* <b>Revision History: </b>
* - 2010/06/03 : Sangwoo, Park(sw5771.park@samsung.com) \n
* Initial version
*
* - 2012/03/14 : sangwoo.park(sw5771.park@samsung.com) \n
* Change file, struct name to ExynosXXX.
*
* - 2012/10/08 : sangwoo.park(sw5771.park@samsung.com) \n
* Add BUFFER_PLANE_NUM_DEFAULT, and, Increase Buffer as 4.
*
*/
#ifndef EXYNOS_BUFFER_H_
#define EXYNOS_BUFFER_H_
#include <sys/types.h>
//! Buffer information
/*!
* \ingroup Exynos
*/
struct ExynosBuffer
{
public:
//! Buffer type
enum BUFFER_TYPE
{
BUFFER_TYPE_BASE = 0,
BUFFER_TYPE_VIRT = 1 << 0, //!< virtual address
BUFFER_TYPE_PHYS = 1 << 1, //!< physical address
BUFFER_TYPE_FD = 1 << 2, //!< fd address
BUFFER_TYPE_RESERVED = 1 << 3, //!< reserved type
BUFFER_TYPE_MAX,
};
//! Buffer plane number
enum BUFFER_PLANE_NUM
{
BUFFER_PLANE_NUM_DEFAULT = 4,
};
//! Buffer virtual address
union {
char *p; //! single address.
char *extP[BUFFER_PLANE_NUM_DEFAULT]; //! Y Cb Cr.
} virt;
//! Buffer physical address
union {
unsigned int p; //! single address.
unsigned int extP[BUFFER_PLANE_NUM_DEFAULT]; //! Y Cb Cr.
} phys;
//! Buffer file descriptors
union {
int fd; //! single address.
int extFd[BUFFER_PLANE_NUM_DEFAULT]; //! Y Cb Cr.
} fd;
//! Buffer reserved id
union {
int p; //! \n
int extP[BUFFER_PLANE_NUM_DEFAULT]; //! \n
} reserved;
//! Buffer size
union {
unsigned int s;
unsigned int extS[BUFFER_PLANE_NUM_DEFAULT];
} size;
#ifdef __cplusplus
//! Constructor
ExynosBuffer()
{
for (int i = 0; i < BUFFER_PLANE_NUM_DEFAULT; i++) {
virt. extP [i] = NULL;
phys. extP [i] = 0;
fd. extFd[i] = -1;
reserved.extP [i] = 0;
size. extS [i] = 0;
}
}
//! Constructor
ExynosBuffer(const ExynosBuffer *other)
{
for (int i = 0; i < BUFFER_PLANE_NUM_DEFAULT; i++) {
virt. extP [i] = other->virt.extP[i];
phys. extP [i] = other->phys.extP[i];
fd. extFd[i] = other->fd.extFd[i];
reserved.extP [i] = other->reserved.extP[i];
size. extS [i] = other->size.extS[i];
}
}
//! Operator(=) override
ExynosBuffer& operator =(const ExynosBuffer &other)
{
for (int i = 0; i < BUFFER_PLANE_NUM_DEFAULT; i++) {
virt. extP [i] = other.virt.extP[i];
phys. extP [i] = other.phys.extP[i];
fd. extFd[i] = other.fd.extFd[i];
reserved.extP [i] = other.reserved.extP[i];
size. extS [i] = other.size.extS[i];
}
return *this;
}
//! Operator(==) override
bool operator ==(const ExynosBuffer &other) const
{
bool ret = true;
for (int i = 0; i < BUFFER_PLANE_NUM_DEFAULT; i++) {
if ( virt. extP [i] != other.virt. extP[i]
|| phys. extP [i] != other.phys. extP[i]
|| fd. extFd[i] != other.fd. extFd[i]
|| reserved.extP [i] != other.reserved.extP[i]
|| size. extS [i] != other.size. extS[i]) {
ret = false;
break;
}
}
return ret;
}
//! Operator(!=) override
bool operator !=(const ExynosBuffer &other) const
{
// use operator(==)
return !(*this == other);
}
//! Get Buffer type
static int BUFFER_TYPE(ExynosBuffer *buf)
{
int type = BUFFER_TYPE_BASE;
if (buf->virt.p)
type |= BUFFER_TYPE_VIRT;
if (buf->phys.p)
type |= BUFFER_TYPE_PHYS;
if (buf->fd.fd >= 0)
type |= BUFFER_TYPE_FD;
if (buf->reserved.p)
type |= BUFFER_TYPE_RESERVED;
return type;
}
#endif
};
#endif //EXYNOS_BUFFER_H_
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