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/* Copyright (c) 2012-2016, 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.
*
*/
#ifndef __QCAMERA3_STREAMMEM_H__
#define __QCAMERA3_STREAMMEM_H__
// System dependencies
#include <utils/Mutex.h>
// Camera dependencies
#include "QCamera3Mem.h"
extern "C" {
#include "mm_camera_interface.h"
}
using namespace android;
namespace qcamera {
class QCamera3StreamMem {
public:
QCamera3StreamMem(uint32_t maxHeapBuffer, bool queueAll = true);
virtual ~QCamera3StreamMem();
uint32_t getCnt();
int getRegFlags(uint8_t *regFlags);
// Helper function to access individual QCamera3Buffer object
int getFd(uint32_t index);
ssize_t getSize(uint32_t index);
int invalidateCache(uint32_t index);
int cleanInvalidateCache(uint32_t index);
int32_t getBufDef(const cam_frame_len_offset_t &offset,
mm_camera_buf_def_t &bufDef, uint32_t index);
void *getPtr(uint32_t index);
bool valid(uint32_t index);
// Gralloc buffer related functions
int registerBuffer(buffer_handle_t *buffer, cam_stream_type_t type);
int unregisterBuffer(uint32_t index);
int getMatchBufIndex(void *object);
void *getBufferHandle(uint32_t index);
void unregisterBuffers(); //TODO: relace with unififed clear() function?
// Heap buffer related functions
int allocateAll(size_t size);
int allocateOne(size_t size);
void deallocate(); //TODO: replace with unified clear() function?
// Clear function: unregister for gralloc buffer, and deallocate for heap buffer
void clear() {unregisterBuffers(); deallocate(); }
// Frame number getter and setter
int32_t markFrameNumber(uint32_t index, uint32_t frameNumber);
int32_t getFrameNumber(uint32_t index);
int32_t getGrallocBufferIndex(uint32_t frameNumber);
int32_t getHeapBufferIndex(uint32_t frameNumber);
private:
//variables
QCamera3HeapMemory mHeapMem;
QCamera3GrallocMemory mGrallocMem;
uint32_t mMaxHeapBuffers;
Mutex mLock;
bool mQueueHeapBuffers;
};
};
#endif // __QCAMERA3_STREAMMEM_H__
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