/* Copyright (c) 2012-2015, 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,
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#define LOG_TAG "QCamera3StreamMem"
#include <string.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <utils/Log.h>
#include <utils/Errors.h>
#include <gralloc_priv.h>
#include <qdMetaData.h>
#include "QCamera3Mem.h"
#include "QCamera3HWI.h"
extern "C" {
#include <mm_camera_interface.h>
}
using namespace android;
namespace qcamera {
/*===========================================================================
* FUNCTION : QCamera3StreamMem
*
* DESCRIPTION: default constructor of QCamera3StreamMem
*
* PARAMETERS : none
*
* RETURN : None
*==========================================================================*/
QCamera3StreamMem::QCamera3StreamMem(uint32_t maxHeapBuffer, bool queueHeapBuffers) :
mHeapMem(maxHeapBuffer),
mGrallocMem(maxHeapBuffer),
mMaxHeapBuffers(maxHeapBuffer),
mQueueHeapBuffers(queueHeapBuffers)
{
}
/*===========================================================================
* FUNCTION : QCamera3StreamMem
*
* DESCRIPTION: destructor of QCamera3StreamMem
*
* PARAMETERS : none
*
* RETURN : None
*==========================================================================*/
QCamera3StreamMem::~QCamera3StreamMem()
{
clear();
}
/*===========================================================================
* FUNCTION : getCnt
*
* DESCRIPTION: query number of buffers allocated/registered
*
* PARAMETERS : none
*
* RETURN : number of buffers allocated
*==========================================================================*/
uint32_t QCamera3StreamMem::getCnt()
{
Mutex::Autolock lock(mLock);
return (mHeapMem.getCnt() + mGrallocMem.getCnt());
}
/*===========================================================================
* FUNCTION : getRegFlags
*
* DESCRIPTION: query initial reg flags
*
* PARAMETERS :
* @regFlags: initial reg flags of the allocated/registered buffers
*
* RETURN : int32_t type of status
* NO_ERROR -- success
* none-zero failure code
*==========================================================================*/
int QCamera3StreamMem::getRegFlags(uint8_t * regFlags)
{
// Assume that all buffers allocated can be queued.
for (uint32_t i = 0; i < mHeapMem.getCnt(); i ++)
regFlags[i] = (mQueueHeapBuffers ? 1 : 0);
return NO_ERROR;
}
/*===========================================================================
* FUNCTION : getFd
*
* DESCRIPTION: return file descriptor of the indexed buffer
*
* PARAMETERS :
* @index : index of the buffer
*
* RETURN : file descriptor
*==========================================================================*/
int QCamera3StreamMem::getFd(uint32_t index)
{
Mutex::Autolock lock(mLock);
if (index < mMaxHeapBuffers)
return mHeapMem.getFd(index);
else
return mGrallocMem.getFd(index);
}
/*===========================================================================
* FUNCTION : getSize
*
* DESCRIPTION: return buffer size of the indexed buffer
*
* PARAMETERS :
* @index : index of the buffer
*
* RETURN : buffer size
*==========================================================================*/
ssize_t QCamera3StreamMem::getSize(uint32_t index)
{
Mutex::Autolock lock(mLock);
if (index < mMaxHeapBuffers)
return mHeapMem.getSize(index);
else
return mGrallocMem.getSize(index);
}
/*===========================================================================
* FUNCTION : invalidateCache
*
* DESCRIPTION: invalidate the cache of the indexed buffer
*
* PARAMETERS :
* @index : index of the buffer
*
* RETURN : int32_t type of status
* NO_ERROR -- success
* none-zero failure code
*==========================================================================*/
int QCamera3StreamMem::invalidateCache(uint32_t index)
{
Mutex::Autolock lock(mLock);
if (index < mMaxHeapBuffers)
return mHeapMem.invalidateCache(index);
else
return mGrallocMem.invalidateCache(index);
}
/*===========================================================================
* FUNCTION : cleanInvalidateCache
*
* DESCRIPTION: clean and invalidate the cache of the indexed buffer
*
* PARAMETERS :
* @index : index of the buffer
*
* RETURN : int32_t type of status
* NO_ERROR -- success
* none-zero failure code
*==========================================================================*/
int QCamera3StreamMem::cleanInvalidateCache(uint32_t index)
{
Mutex::Autolock lock(mLock);
if (index < mMaxHeapBuffers)
return mHeapMem.cleanInvalidateCache(index);
else
return mGrallocMem.cleanInvalidateCache(index);
}
/*===========================================================================
* FUNCTION : getBufDef
*
* DESCRIPTION: query detailed buffer information
*
* PARAMETERS :
* @offset : [input] frame buffer offset
* @bufDef : [output] reference to struct to store buffer definition
* @index : [input] index of the buffer
*
* RETURN : int32_t type of status
* NO_ERROR -- success
* none-zero failure code
*==========================================================================*/
int32_t QCamera3StreamMem::getBufDef(const cam_frame_len_offset_t &offset,
mm_camera_buf_def_t &bufDef, uint32_t index)
{
int32_t ret = NO_ERROR;
if (index < mMaxHeapBuffers)
ret = mHeapMem.getBufDef(offset, bufDef, index);
else
ret = mGrallocMem.getBufDef(offset, bufDef, index);
bufDef.mem_info = (void *)this;
return ret;
}
/*===========================================================================
* FUNCTION : getPtr
*
* DESCRIPTION: return virtual address of the indexed buffer
*
* PARAMETERS :
* @index : index of the buffer
*
* RETURN : virtual address
*==========================================================================*/
void* QCamera3StreamMem::getPtr(uint32_t index)
{
Mutex::Autolock lock(mLock);
if (index < mMaxHeapBuffers)
return mHeapMem.getPtr(index);
else
return mGrallocMem.getPtr(index);
}
/*===========================================================================
* FUNCTION : valid
*
* DESCRIPTION: return whether there is a valid buffer at the current index
*
* PARAMETERS :
* @index : index of the buffer
*
* RETURN : true if there is a buffer, false otherwise
*==========================================================================*/
bool QCamera3StreamMem::valid(uint32_t index)
{
Mutex::Autolock lock(mLock);
if (index < mMaxHeapBuffers)
return (mHeapMem.getSize(index) > 0);
else
return (mGrallocMem.getSize(index) > 0);
}
/*===========================================================================
* FUNCTION : registerBuffer
*
* DESCRIPTION: registers frameworks-allocated gralloc buffer_handle_t
*
* PARAMETERS :
* @buffers : buffer_handle_t pointer
* @type : cam_stream_type_t
*
* RETURN : int32_t type of status
* NO_ERROR -- success
* none-zero failure code
*==========================================================================*/
int QCamera3StreamMem::registerBuffer(buffer_handle_t *buffer,
cam_stream_type_t type)
{
Mutex::Autolock lock(mLock);
return mGrallocMem.registerBuffer(buffer, type);
}
/*===========================================================================
* FUNCTION : unregisterBuffer
*
* DESCRIPTION: unregister buffer
*
* PARAMETERS :
* @idx : unregister buffer at index 'idx'
*
* RETURN : int32_t type of status
* NO_ERROR -- success
* none-zero failure code
*==========================================================================*/
int32_t QCamera3StreamMem::unregisterBuffer(size_t idx)
{
Mutex::Autolock lock(mLock);
return mGrallocMem.unregisterBuffer(idx);
}
/*===========================================================================
* FUNCTION : getMatchBufIndex
*
* DESCRIPTION: query buffer index by object ptr
*
* PARAMETERS :
* @opaque : opaque ptr
*
* RETURN : buffer index if match found,
* -1 if failed
*==========================================================================*/
int QCamera3StreamMem::getMatchBufIndex(void *object)
{
Mutex::Autolock lock(mLock);
return mGrallocMem.getMatchBufIndex(object);
}
/*===========================================================================
* FUNCTION : getBufferHandle
*
* DESCRIPTION: return framework pointer
*
* PARAMETERS :
* @index : index of the buffer
*
* RETURN : buffer ptr if match found
NULL if failed
*==========================================================================*/
void *QCamera3StreamMem::getBufferHandle(uint32_t index)
{
Mutex::Autolock lock(mLock);
return mGrallocMem.getBufferHandle(index);
}
/*===========================================================================
* FUNCTION : unregisterBuffers
*
* DESCRIPTION: unregister buffers
*
* PARAMETERS : none
*
* RETURN : none
*==========================================================================*/
void QCamera3StreamMem::unregisterBuffers()
{
Mutex::Autolock lock(mLock);
mGrallocMem.unregisterBuffers();
}
/*===========================================================================
* FUNCTION : allocate
*
* DESCRIPTION: allocate requested number of buffers of certain size
*
* PARAMETERS :
* @count : number of buffers to be allocated
* @size : lenght of the buffer to be allocated
*
* RETURN : int32_t type of status
* NO_ERROR -- success
* none-zero failure code
*==========================================================================*/
int QCamera3StreamMem::allocateAll(size_t size)
{
Mutex::Autolock lock(mLock);
return mHeapMem.allocate(size);
}
int QCamera3StreamMem::allocateOne(size_t size)
{
Mutex::Autolock lock(mLock);
return mHeapMem.allocateOne(size);
}
/*===========================================================================
* FUNCTION : deallocate
*
* DESCRIPTION: deallocate heap buffers
*
* PARAMETERS : none
*
* RETURN : none
*==========================================================================*/
void QCamera3StreamMem::deallocate()
{
Mutex::Autolock lock(mLock);
mHeapMem.deallocate();
}
/*===========================================================================
* FUNCTION : markFrameNumber
*
* DESCRIPTION: We use this function from the request call path to mark the
* buffers with the frame number they are intended for this info
* is used later when giving out callback & it is duty of PP to
* ensure that data for that particular frameNumber/Request is
* written to this buffer.
* PARAMETERS :
* @index : index of the buffer
* @frame# : Frame number from the framework
*
* RETURN : int32_t type of status
* NO_ERROR -- success
* none-zero failure code
*==========================================================================*/
int32_t QCamera3StreamMem::markFrameNumber(uint32_t index, uint32_t frameNumber)
{
Mutex::Autolock lock(mLock);
if (index < mMaxHeapBuffers)
return mHeapMem.markFrameNumber(index, frameNumber);
else
return mGrallocMem.markFrameNumber(index, frameNumber);
}
/*===========================================================================
* FUNCTION : getFrameNumber
*
* DESCRIPTION: We use this to fetch the frameNumber for the request with which
* this buffer was given to HAL
*
*
* PARAMETERS :
* @index : index of the buffer
*
* RETURN : int32_t frameNumber
* positive/zero -- success
* negative failure
*==========================================================================*/
int32_t QCamera3StreamMem::getFrameNumber(uint32_t index)
{
Mutex::Autolock lock(mLock);
if (index < mMaxHeapBuffers)
return mHeapMem.getFrameNumber(index);
else
return mGrallocMem.getFrameNumber(index);
}
/*===========================================================================
* FUNCTION : getGrallocBufferIndex
*
* DESCRIPTION: We use this to fetch the gralloc buffer index based on frameNumber
*
* PARAMETERS :
* @frameNumber : frame Number
*
* RETURN : int32_t buffer index
* positive/zero -- success
* negative failure
*==========================================================================*/
int32_t QCamera3StreamMem::getGrallocBufferIndex(uint32_t frameNumber)
{
Mutex::Autolock lock(mLock);
int32_t index = mGrallocMem.getBufferIndex(frameNumber);
return index;
}
/*===========================================================================
* FUNCTION : getHeapBufferIndex
*
* DESCRIPTION: We use this to fetch the heap buffer index based on frameNumber
*
* PARAMETERS :
* @frameNumber : frame Number
*
* RETURN : int32_t buffer index
* positive/zero -- success
* negative failure
*==========================================================================*/
int32_t QCamera3StreamMem::getHeapBufferIndex(uint32_t frameNumber)
{
Mutex::Autolock lock(mLock);
int32_t index = mHeapMem.getBufferIndex(frameNumber);
return index;
}
}; //namespace qcamera