182 lines
6.9 KiB
C++
182 lines
6.9 KiB
C++
/* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __QCAMERA3_STREAMMEM_H__
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#define __QCAMERA3_STREAMMEM_H__
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// System dependencies
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#include <utils/Mutex.h>
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#include <hardware/gralloc1.h>
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// Camera dependencies
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#include "QCamera3Mem.h"
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extern "C" {
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#include "mm_camera_interface.h"
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}
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using namespace android;
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namespace qcamera {
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class QCamera3StreamMem {
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public:
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QCamera3StreamMem(uint32_t maxHeapBuffer);
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virtual ~QCamera3StreamMem();
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uint32_t getCnt();
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int getRegFlags(uint8_t *regFlags);
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// Helper function to access individual QCamera3Buffer object
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int getFd(uint32_t index);
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ssize_t getSize(uint32_t index);
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int invalidateCache(uint32_t index);
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int cleanInvalidateCache(uint32_t index);
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int cleanCache(uint32_t index);
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int32_t getBufDef(const cam_frame_len_offset_t &offset,
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mm_camera_buf_def_t &bufDef, uint32_t index,
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bool virtualAddr);
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void *getPtr(uint32_t index);
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bool valid(uint32_t index);
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// Gralloc buffer related functions
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int registerBuffer(buffer_handle_t *buffer, cam_stream_type_t type);
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int unregisterBuffer(uint32_t index);
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int getMatchBufIndex(void *object);
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void *getBufferHandle(uint32_t index);
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void unregisterBuffers(); //TODO: relace with unififed clear() function?
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// Heap buffer related functions
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int allocateAll(size_t size);
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int allocateOne(size_t size, bool isCached = true);
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void deallocate(); //TODO: replace with unified clear() function?
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// Clear function: unregister for gralloc buffer, and deallocate for heap buffer
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void clear() {unregisterBuffers(); deallocate(); }
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// Frame number getter and setter
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int32_t markFrameNumber(uint32_t index, uint32_t frameNumber);
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int32_t getFrameNumber(uint32_t index);
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int32_t getOldestFrameNumber(uint32_t &index);
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int32_t getGrallocBufferIndex(uint32_t frameNumber);
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int32_t getHeapBufferIndex(uint32_t frameNumber);
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int32_t getBufferIndex(uint32_t frameNumber);
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private:
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//variables
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QCamera3HeapMemory mHeapMem;
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QCamera3GrallocMemory mGrallocMem;
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uint32_t mMaxHeapBuffers;
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Mutex mLock;
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};
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/// @brief Gralloc1 interface functions
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struct Gralloc1Interface
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{
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int32_t (*CreateDescriptor)(
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gralloc1_device_t* pGralloc1Device,
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gralloc1_buffer_descriptor_t* pCreatedDescriptor);
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int32_t (*DestroyDescriptor)(
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gralloc1_device_t* pGralloc1Device,
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gralloc1_buffer_descriptor_t descriptor);
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int32_t (*SetDimensions)(
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gralloc1_device_t* pGralloc1Device,
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gralloc1_buffer_descriptor_t descriptor,
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uint32_t width,
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uint32_t height);
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int32_t (*SetFormat)(
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gralloc1_device_t* pGralloc1Device,
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gralloc1_buffer_descriptor_t descriptor,
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int32_t format);
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int32_t (*SetLayerCount)(
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gralloc1_device_t* pGralloc1Device,
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gralloc1_buffer_descriptor_t descriptor,
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uint32_t layerCount);
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int32_t (*SetProducerUsage)(
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gralloc1_device_t* pGralloc1Device,
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gralloc1_buffer_descriptor_t descriptor,
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uint64_t usage);
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int32_t (*SetConsumerUsage)(
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gralloc1_device_t* pGralloc1Device,
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gralloc1_buffer_descriptor_t descriptor,
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uint64_t usage);
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int32_t (*Allocate)(
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gralloc1_device_t* pGralloc1Device,
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uint32_t numDescriptors,
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const gralloc1_buffer_descriptor_t* pDescriptors,
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buffer_handle_t* pAllocatedBuffers);
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int32_t (*GetStride)(
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gralloc1_device_t* pGralloc1Device,
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buffer_handle_t buffer,
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uint32_t* pStride);
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int32_t (*Release)(
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gralloc1_device_t* pGralloc1Device,
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buffer_handle_t buffer);
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int32_t (*Lock)(
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gralloc1_device_t* device,
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buffer_handle_t buffer,
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uint64_t producerUsage,
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uint64_t consumerUsage,
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const gralloc1_rect_t* accessRegion,
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void** outData,
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int32_t acquireFence);
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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/// @brief General native buffer implementation
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///
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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class NativeBufferInterface final
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{
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public:
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static NativeBufferInterface* GetInstance() {
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static NativeBufferInterface mInstance;
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return &mInstance;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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/// GetGrallocBufferStride
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///
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/// @brief Get buffer stride from gralloc interface
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///
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/// @param handle Native HAL buffer handle
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///
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/// @return Return the stride size
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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uint32_t GetGrallocBufferStride(uint32_t width, uint32_t height, uint32_t fmt);
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private:
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NativeBufferInterface();
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~NativeBufferInterface();
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gralloc1_device_t* m_pGralloc1Device;
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Gralloc1Interface m_grallocInterface;
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};
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};
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#endif // __QCAMERA3_STREAMMEM_H__
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