android_device_lenovo_karate/camera/QCamera2/HAL/QCameraAllocator.h

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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 __QCAMERA_ALLOCATOR__
#define __QCAMERA_ALLOCATOR__
extern "C" {
#include "mm_camera_interface.h"
}
namespace qcamera {
class QCameraMemory;
class QCameraHeapMemory;
typedef struct {
int32_t (*bgFunction) (void *);
void* bgArgs;
} BackgroundTask;
class QCameraAllocator {
public:
virtual QCameraMemory *allocateStreamBuf(cam_stream_type_t stream_type,
size_t size, int stride, int scanline, uint8_t &bufferCnt) = 0;
virtual int32_t allocateMoreStreamBuf(QCameraMemory *mem_obj,
size_t size, uint8_t &bufferCnt) = 0;
virtual QCameraHeapMemory *allocateStreamInfoBuf(cam_stream_type_t stream_type) = 0;
virtual QCameraHeapMemory *allocateMiscBuf(cam_stream_info_t *streamInfo) = 0;
virtual QCameraMemory *allocateStreamUserBuf(cam_stream_info_t *streamInfo) = 0;
virtual void waitForDeferredAlloc(cam_stream_type_t stream_type) = 0;
virtual uint32_t scheduleBackgroundTask(BackgroundTask* bgTask) = 0;
virtual int32_t waitForBackgroundTask(uint32_t &taskId) = 0;
virtual ~QCameraAllocator() {}
};
}; /* namespace qcamera */
#endif /* __QCAMERA_ALLOCATOR__ */