| /* 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); |
| 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); |
| int cleanCache(uint32_t index); |
| int32_t getBufDef(const cam_frame_len_offset_t &offset, |
| mm_camera_buf_def_t &bufDef, uint32_t index, |
| bool virtualAddr); |
| 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 getOldestFrameNumber(uint32_t &index); |
| int32_t getGrallocBufferIndex(uint32_t frameNumber); |
| int32_t getHeapBufferIndex(uint32_t frameNumber); |
| int32_t getBufferIndex(uint32_t frameNumber); |
| |
| private: |
| //variables |
| QCamera3HeapMemory mHeapMem; |
| QCamera3GrallocMemory mGrallocMem; |
| uint32_t mMaxHeapBuffers; |
| Mutex mLock; |
| }; |
| |
| }; |
| #endif // __QCAMERA3_STREAMMEM_H__ |