From e3d0c6515fb89500dc45d7abc2cd63e0d2ec4247 Mon Sep 17 00:00:00 2001 From: Alexander Reshetnikov Date: Fri, 23 Mar 2012 08:53:56 +0000 Subject: [PATCH] Added new video posiitioning test --- modules/highgui/test/test_video_pos.cpp | 167 ++++++++++++++++++++++++++++++++ 1 file changed, 167 insertions(+) create mode 100755 modules/highgui/test/test_video_pos.cpp diff --git a/modules/highgui/test/test_video_pos.cpp b/modules/highgui/test/test_video_pos.cpp new file mode 100755 index 0000000..b1e401f --- /dev/null +++ b/modules/highgui/test/test_video_pos.cpp @@ -0,0 +1,167 @@ +/*M/////////////////////////////////////////////////////////////////////////////////////// +// +// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. +// +// By downloading, copying, installing or using the software you agree to this license. +// If you do not agree to this license, do not download, install, +// copy or use the software. +// +// +// License Agreement +// For Open Source Computer Vision Library +// +// Copyright (C) 2000-2008, Intel Corporation, all rights reserved. +// Copyright (C) 2009, Willow Garage Inc., all rights reserved. +// Third party copyrights are property of their respective owners. +// +// Redistribution and use in source and binary forms, with or without modification, +// are permitted provided that the following conditions are met: +// +// * Redistribution's of source code must retain the above copyright notice, +// this list of conditions and the following disclaimer. +// +// * Redistribution's 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. +// +// * The name of the copyright holders may not be used to endorse or promote products +// derived from this software without specific prior written permission. +// +// This software is provided by the copyright holders and contributors "as is" and +// any express or implied warranties, including, but not limited to, the implied +// warranties of merchantability and fitness for a particular purpose are disclaimed. +// In no event shall the Intel Corporation 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. +// +//M*/ + +#include "test_precomp.hpp" +#include "opencv2/highgui/highgui.hpp" + +#ifdef HAVE_FFMPEG + +#include "ffmpeg_codecs.hpp" + +using namespace cv; +using namespace std; + +class CV_PositioningTest : public cvtest::BaseTest +{ +public: + void CreateTestVideo(const string& format, int codec); + void run(int); +}; + +void CV_PositioningTest::CreateTestVideo(const string& format, int codec) +{ + const size_t frame_count = 2500; + + stringstream s; s << codec; + + cv::VideoWriter writer(ts->get_data_path()+"video/test_video_"+s.str()+format, codec, 25, cv::Size(640, 480), false); + + for (size_t i = 0; i < frame_count; ++i) + { + cv::Mat mat(480, 640, CV_8UC1); + size_t n = 32, tmp = i; + vector tmp_code; tmp_code.clear(); + + while ( tmp > 1 ) + { + tmp_code.push_back(tmp%2); + tmp /= 2; + } + tmp_code.push_back(1); + + vector i_code(n); + for (size_t j = 0; j < n; ++j) + { + char val = j < n - tmp_code.size() ? 0 : tmp_code.at(j+tmp_code.size()-n); + i_code.push_back(val); + } + + const size_t w = 480/n; + + for (size_t j = 0; j < n; ++j) + { + for (size_t k = w*j; k < w*(j+1); ++k) + mat.row(k) = i_code[j] ? 255*cv::Mat::ones(1, 640, CV_8UC1) : cv::Mat::zeros(1, 640, CV_8UC1); + } + + writer << mat; + + //imshow("test image", mat); waitKey(); + + } + + writer.~VideoWriter(); +} + +void CV_PositioningTest::run(int) +{ + const size_t n_codec = sizeof(codec_bmp_tags)/sizeof(codec_bmp_tags[0]); + + const string format[] = {"avi", "mov", "mp4", "mpg", "wmv"}; + const size_t n_format = sizeof(format)/sizeof(format[0]); + + for (size_t i = 0; i < n_format; ++i) + for (size_t j = 0; j < n_codec; ++j) + { + CreateTestVideo(format[i], codec_bmp_tags[j].tag); + + stringstream s; s << codec_bmp_tags[j].tag; + + cv::VideoCapture cap(ts->get_data_path()+"video/test_video_"+s.str()+format[i]); + cap.set(CV_CAP_PROP_POS_FRAMES, 0.0); + + int N = cap.get(CV_CAP_PROP_FRAME_COUNT); + + vector idx; + + RNG rng(N); + idx.clear(); + for( int i = 0; i < N-1; i++ ) + idx.push_back(rng.uniform(0, N)); + idx.push_back(N-1); + swap(idx.at(rng.uniform(0, N-1)), idx.at(N-1)); + + for (int i = 0; i < N; ++i) + { + cap.set(CV_CAP_PROP_POS_FRAMES, (double)idx[i]); + + cv::Mat img; cap.retrieve(img); + + const double thresh = 128.0; + + const size_t n = 32, w = img.rows/n; + + int index = 0, deg = n-1; + + for (size_t j = 0; j < n; ++j) + { + cv::Mat mat = img.rowRange(w*j, w*(j+1)-1); + Scalar mat_mean = cv::mean(mat); + if (mat_mean[0] > thresh) + { + index += (2<printf(ts->LOG, "Required position: %d Returned position: %d\n FAILED", idx[i], index); + } + } + } +} + +TEST(Highgui_Positioning, regression) { CV_PositioningTest test; test.safe_run(); } + +#endif -- 2.7.4