1 /* 2 * cl_video_buffer.h - cl video buffer 3 * 4 * Copyright (c) 2017 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: Yinhang Liu <yinhangx.liu@intel.com> 19 * Author: Wind Yuan <feng.yuan@intel.com> 20 */ 21 #ifndef XCAM_CL_VIDEO_BUFFER_H 22 #define XCAM_CL_VIDEO_BUFFER_H 23 24 #include <xcam_std.h> 25 #include <safe_list.h> 26 #include <xcam_mutex.h> 27 #include <buffer_pool.h> 28 #include <x3a_stats_pool.h> 29 #include <ocl/cl_context.h> 30 31 namespace XCam { 32 33 class CLBuffer; 34 class CLVideoBufferPool; 35 36 class CLVideoBufferData 37 : public BufferData 38 { 39 friend class CLVideoBufferPool; 40 41 public: 42 ~CLVideoBufferData (); 43 44 cl_mem &get_mem_id (); get_cl_buffer()45 SmartPtr<CLBuffer> get_cl_buffer () { 46 return _buf; 47 } 48 49 //derived from BufferData 50 virtual uint8_t *map (); 51 virtual bool unmap (); 52 53 protected: 54 explicit CLVideoBufferData (SmartPtr<CLBuffer> &body); 55 56 private: 57 XCAM_DEAD_COPY (CLVideoBufferData); 58 59 private: 60 uint8_t *_buf_ptr; 61 SmartPtr<CLBuffer> _buf; 62 }; 63 64 class CLVideoBuffer 65 : public BufferProxy 66 , public CLBuffer 67 { 68 friend class CLVideoBufferPool; 69 70 public: 71 explicit CLVideoBuffer ( 72 const SmartPtr<CLContext> &context, const VideoBufferInfo &info, const SmartPtr<CLVideoBufferData> &data); ~CLVideoBuffer()73 virtual ~CLVideoBuffer () {} 74 75 SmartPtr<CLBuffer> get_cl_buffer (); 76 SmartPtr<X3aStats> find_3a_stats (); 77 78 protected: 79 CLVideoBuffer (const VideoBufferInfo &info, const SmartPtr<CLVideoBufferData> &data); 80 81 private: 82 XCAM_DEAD_COPY (CLVideoBuffer); 83 }; 84 85 class CLVideoBufferPool 86 : public BufferPool 87 { 88 friend class CLVideoBuffer; 89 90 public: CLVideoBufferPool()91 explicit CLVideoBufferPool () {} ~CLVideoBufferPool()92 ~CLVideoBufferPool () {} 93 94 protected: 95 // derived from BufferPool 96 virtual bool fixate_video_info (VideoBufferInfo &info); 97 virtual SmartPtr<BufferData> allocate_data (const VideoBufferInfo &buffer_info); 98 virtual SmartPtr<BufferProxy> create_buffer_from_data (SmartPtr<BufferData> &data); 99 100 private: 101 XCAM_DEAD_COPY (CLVideoBufferPool); 102 }; 103 104 }; 105 106 #endif // XCAM_CL_VIDEO_BUFFER_H 107