1 /* 2 * cl_image_processor.h - CL image processor 3 * 4 * Copyright (c) 2015 Intel Corporation 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 * 18 * Author: Wind Yuan <feng.yuan@intel.com> 19 */ 20 21 #ifndef XCAM_CL_IMAGE_PROCESSOR_H 22 #define XCAM_CL_IMAGE_PROCESSOR_H 23 24 #include <xcam_std.h> 25 #include <image_processor.h> 26 #include <ocl/priority_buffer_queue.h> 27 #include <list> 28 29 namespace XCam { 30 31 class CLImageHandler; 32 class CLContext; 33 class CLHandlerThread; 34 class CLBufferNotifyThread; 35 36 class CLImageProcessor 37 : public ImageProcessor 38 { 39 public: 40 typedef std::list<SmartPtr<CLImageHandler>> ImageHandlerList; 41 typedef std::list<SmartPtr<PriorityBuffer>> UnsafePriorityBufferList; 42 friend class CLHandlerThread; 43 friend class CLBufferNotifyThread; 44 45 public: 46 explicit CLImageProcessor (const char* name = NULL); 47 virtual ~CLImageProcessor (); 48 49 void keep_attached_buf (bool flag); 50 51 bool add_handler (SmartPtr<CLImageHandler> &handler); 52 ImageHandlerList::iterator handlers_begin (); 53 ImageHandlerList::iterator handlers_end (); 54 55 protected: 56 57 //derive from ImageProcessor 58 virtual bool can_process_result (SmartPtr<X3aResult> &result); 59 virtual XCamReturn apply_3a_results (X3aResultList &results); 60 virtual XCamReturn apply_3a_result (SmartPtr<X3aResult> &result); 61 virtual XCamReturn process_buffer (SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output); 62 virtual XCamReturn emit_start (); 63 virtual void emit_stop (); 64 65 SmartPtr<CLContext> get_cl_context (); 66 67 private: 68 virtual XCamReturn create_handlers (); 69 70 XCamReturn process_cl_buffer_queue (); 71 XCamReturn process_done_buffer (); 72 uint32_t check_ready_buffers (); 73 74 XCAM_DEAD_COPY (CLImageProcessor); 75 76 protected: 77 78 // STREAM_LOCK only used in class derived from CLImageProcessor 79 #define STREAM_LOCK SmartLock stream_lock (this->_stream_mutex) 80 // stream lock 81 Mutex _stream_mutex; 82 83 private: 84 SmartPtr<CLContext> _context; 85 ImageHandlerList _handlers; 86 SmartPtr<CLHandlerThread> _handler_thread; 87 PriorityBufferQueue _process_buffer_queue; 88 UnsafePriorityBufferList _not_ready_buffers; 89 SmartPtr<CLBufferNotifyThread> _done_buf_thread; 90 SafeList<VideoBuffer> _done_buffer_queue; 91 uint32_t _seq_num; 92 bool _keep_attached_buffer; //default false 93 XCAM_OBJ_PROFILING_DEFINES; 94 }; 95 96 }; 97 #endif //XCAM_CL_IMAGE_PROCESSOR_H 98