1 /* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved. 2 * 3 * Redistribution and use in source and binary forms, with or without 4 * modification, are permitted provided that the following conditions are 5 * met: 6 * * Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer in the documentation and/or other materials provided 11 * with the distribution. 12 * * Neither the name of The Linux Foundation nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 30 #ifndef __QCAMERA_ALLOCATOR__ 31 #define __QCAMERA_ALLOCATOR__ 32 33 extern "C" { 34 #include "mm_camera_interface.h" 35 } 36 37 namespace qcamera { 38 39 class QCameraMemory; 40 class QCameraHeapMemory; 41 42 typedef struct { 43 int32_t (*bgFunction) (void *); 44 void* bgArgs; 45 } BackgroundTask; 46 47 class QCameraAllocator { 48 public: 49 virtual QCameraMemory *allocateStreamBuf(cam_stream_type_t stream_type, 50 size_t size, int stride, int scanline, uint8_t &bufferCnt) = 0; 51 virtual int32_t allocateMoreStreamBuf(QCameraMemory *mem_obj, 52 size_t size, uint8_t &bufferCnt) = 0; 53 virtual QCameraHeapMemory *allocateStreamInfoBuf( 54 cam_stream_type_t stream_type, uint8_t bufCount = 1, 55 uint32_t cam_type = MM_CAMERA_TYPE_MAIN) = 0; 56 virtual QCameraHeapMemory *allocateMiscBuf(cam_stream_info_t *streamInfo) = 0; 57 virtual QCameraMemory *allocateStreamUserBuf(cam_stream_info_t *streamInfo) = 0; 58 virtual void waitForDeferredAlloc(cam_stream_type_t stream_type) = 0; 59 virtual uint32_t scheduleBackgroundTask(BackgroundTask* bgTask) = 0; 60 virtual int32_t waitForBackgroundTask(uint32_t &taskId) = 0; ~QCameraAllocator()61 virtual ~QCameraAllocator() {} 62 }; 63 64 }; /* namespace qcamera */ 65 #endif /* __QCAMERA_ALLOCATOR__ */ 66