1 /* 2 * cv_base_class.cpp - base class for all OpenCV related features 3 * 4 * Copyright (c) 2016-2017 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: Andrey Parfenov <a1994ndrey (at) gmail.com> 19 * Author: Wind Yuan <feng.yuan (at) intel.com> 20 */ 21 22 #include "cv_base_class.h" 23 24 namespace XCam { 25 26 CVBaseClass::CVBaseClass () 27 { 28 _cv_context = CVContext::instance (); 29 XCAM_ASSERT (_cv_context.ptr ()); 30 _use_ocl = _cv_context->is_ocl_enabled (); 31 } 32 33 bool 34 CVBaseClass::set_ocl (bool use_ocl) 35 { 36 if (use_ocl && !_cv_context->is_ocl_enabled ()) { 37 return false; 38 } 39 _use_ocl = use_ocl; 40 return true; 41 } 42 43 bool 44 CVBaseClass::convert_to_mat (SmartPtr<VideoBuffer> buffer, cv::Mat &image) 45 { 46 47 VideoBufferInfo info = buffer->get_video_info (); 48 XCAM_FAIL_RETURN (WARNING, info.format == V4L2_PIX_FMT_NV12, false, "convert_to_mat only support NV12 format"); 49 50 uint8_t *ptr = buffer->map (); 51 XCAM_FAIL_RETURN (WARNING, ptr, false, "convert_to_mat buffer map failed"); 52 53 cv::Mat mat = cv::Mat (info.aligned_height * 3 / 2, info.width, CV_8UC1, ptr, info.strides[0]); 54 cv::cvtColor (mat, image, cv::COLOR_YUV2BGR_NV12); 55 //buffer->unmap (); 56 57 return true; 58 } 59 60 bool 61 convert_to_mat (SmartPtr<VideoBuffer> buffer, cv::Mat &image) 62 { 63 CVBaseClass cv_obj; 64 return cv_obj.convert_to_mat (buffer, image); 65 } 66 67 } 68
