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43 #include "test_precomp.hpp"
44 #include "opencv2/highgui/highgui.hpp"
50 #include "ffmpeg_codecs.hpp"
54 class CV_FFmpegWriteBigVideoTest : public cvtest::BaseTest
59 const int img_r = 4096;
60 const int img_c = 4096;
61 const double fps0 = 15;
62 const double time_sec = 1;
64 const size_t n = sizeof(codec_bmp_tags)/sizeof(codec_bmp_tags[0]);
68 for (size_t j = 0; j < n; ++j)
70 stringstream s; s << codec_bmp_tags[j].tag;
71 int tag = codec_bmp_tags[j].tag;
73 if( tag != MKTAG('H', '2', '6', '3') &&
74 tag != MKTAG('H', '2', '6', '1') &&
75 //tag != MKTAG('D', 'I', 'V', 'X') &&
76 tag != MKTAG('D', 'X', '5', '0') &&
77 tag != MKTAG('X', 'V', 'I', 'D') &&
78 tag != MKTAG('m', 'p', '4', 'v') &&
79 //tag != MKTAG('D', 'I', 'V', '3') &&
80 //tag != MKTAG('W', 'M', 'V', '1') &&
81 //tag != MKTAG('W', 'M', 'V', '2') &&
82 tag != MKTAG('M', 'P', 'E', 'G') &&
83 tag != MKTAG('M', 'J', 'P', 'G') &&
84 //tag != MKTAG('j', 'p', 'e', 'g') &&
86 tag != MKTAG('I', '4', '2', '0') &&
87 //tag != MKTAG('Y', 'U', 'Y', '2') &&
88 tag != MKTAG('F', 'L', 'V', '1') )
91 const string filename = "output_"+s.str()+".avi";
96 Size frame_s = Size(img_c, img_r);
98 if( tag == CV_FOURCC('H', '2', '6', '1') )
99 frame_s = Size(352, 288);
100 else if( tag == CV_FOURCC('H', '2', '6', '3') )
101 frame_s = Size(704, 576);
102 /*else if( tag == CV_FOURCC('M', 'J', 'P', 'G') ||
103 tag == CV_FOURCC('j', 'p', 'e', 'g') )
104 frame_s = Size(1920, 1080);*/
106 if( tag == CV_FOURCC('M', 'P', 'E', 'G') )
109 VideoWriter writer(filename, tag, fps, frame_s);
111 if (writer.isOpened() == false)
113 ts->printf(ts->LOG, "\n\nFile name: %s\n", filename.c_str());
114 ts->printf(ts->LOG, "Codec id: %d Codec tag: %c%c%c%c\n", j,
115 tag & 255, (tag >> 8) & 255, (tag >> 16) & 255, (tag >> 24) & 255);
116 ts->printf(ts->LOG, "Error: cannot create video file.");
117 ts->set_failed_test_info(ts->FAIL_INVALID_OUTPUT);
121 Mat img(frame_s, CV_8UC3, Scalar::all(0));
122 const int coeff = cvRound(min(frame_s.width, frame_s.height)/(fps0 * time_sec));
124 for (int i = 0 ; i < static_cast<int>(fps * time_sec); i++ )
126 //circle(img, Point2i(img_c / 2, img_r / 2), min(img_r, img_c) / 2 * (i + 1), Scalar(255, 0, 0, 0), 2);
127 rectangle(img, Point2i(coeff * i, coeff * i), Point2i(coeff * (i + 1), coeff * (i + 1)),
128 Scalar::all(255 * (1.0 - static_cast<double>(i) / (fps * time_sec * 2) )), -1);
132 if (!created) created = true;
133 else remove(filename.c_str());
138 ts->set_failed_test_info(ts->FAIL_INVALID_OUTPUT);
140 ts->set_failed_test_info(cvtest::TS::OK);
146 TEST(Highgui_Video, ffmpeg_writebig) { CV_FFmpegWriteBigVideoTest test; test.safe_run(); }
148 class CV_FFmpegReadImageTest : public cvtest::BaseTest
155 string filename = ts->get_data_path() + "../cv/features2d/tsukuba.png";
156 VideoCapture cap(filename);
157 Mat img0 = imread(filename, 1);
162 CV_Assert( !img0.empty() && !img.empty() && img_next.empty() );
164 double diff = norm(img0, img, CV_C);
165 CV_Assert( diff == 0 );
169 ts->set_failed_test_info(ts->FAIL_INVALID_OUTPUT);
171 ts->set_failed_test_info(cvtest::TS::OK);
175 TEST(Highgui_Video, ffmpeg_image) { CV_FFmpegReadImageTest test; test.safe_run(); }
179 #if defined(HAVE_FFMPEG)
181 //////////////////////////////// Parallel VideoWriters and VideoCaptures ////////////////////////////////////
183 class CreateVideoWriterInvoker :
184 public ParallelLoopBody
187 const static Size FrameSize;
188 static std::string TmpDirectory;
190 CreateVideoWriterInvoker(std::vector<VideoWriter*>& _writers, std::vector<std::string>& _files) :
191 ParallelLoopBody(), writers(&_writers), files(&_files)
195 virtual void operator() (const Range& range) const
197 for (int i = range.start; i != range.end; ++i)
199 std::ostringstream stream;
200 stream << i << ".avi";
201 std::string fileName = tempfile(stream.str().c_str());
203 files->operator[](i) = fileName;
204 writers->operator[](i) = new VideoWriter(fileName, CV_FOURCC('X','V','I','D'), 25.0f, FrameSize);
206 CV_Assert(writers->operator[](i)->isOpened());
211 std::vector<VideoWriter*>* writers;
212 std::vector<std::string>* files;
215 std::string CreateVideoWriterInvoker::TmpDirectory;
216 const Size CreateVideoWriterInvoker::FrameSize(1020, 900);
218 class WriteVideo_Invoker :
219 public ParallelLoopBody
222 enum { FrameCount = 300 };
224 static const Scalar ObjectColor;
225 static const Point Center;
227 WriteVideo_Invoker(const std::vector<VideoWriter*>& _writers) :
228 ParallelLoopBody(), writers(&_writers)
232 static void GenerateFrame(Mat& frame, unsigned int i)
234 frame = Scalar::all(i % 255);
236 std::string text = to_string(i);
237 putText(frame, text, Point(50, Center.y), FONT_HERSHEY_SIMPLEX, 5.0, ObjectColor, 5, CV_AA);
238 circle(frame, Center, i + 2, ObjectColor, 2, CV_AA);
241 virtual void operator() (const Range& range) const
243 for (int j = range.start; j < range.end; ++j)
245 VideoWriter* writer = writers->operator[](j);
246 CV_Assert(writer != NULL);
247 CV_Assert(writer->isOpened());
249 Mat frame(CreateVideoWriterInvoker::FrameSize, CV_8UC3);
250 for (unsigned int i = 0; i < FrameCount; ++i)
252 GenerateFrame(frame, i);
253 writer->operator<< (frame);
259 static std::string to_string(unsigned int i)
261 std::stringstream stream(std::ios::out);
262 stream << "frame #" << i;
267 const std::vector<VideoWriter*>* writers;
270 const Scalar WriteVideo_Invoker::ObjectColor(Scalar::all(0));
271 const Point WriteVideo_Invoker::Center(CreateVideoWriterInvoker::FrameSize.height / 2,
272 CreateVideoWriterInvoker::FrameSize.width / 2);
274 class CreateVideoCaptureInvoker :
275 public ParallelLoopBody
278 CreateVideoCaptureInvoker(std::vector<VideoCapture*>& _readers, const std::vector<std::string>& _files) :
279 ParallelLoopBody(), readers(&_readers), files(&_files)
283 virtual void operator() (const Range& range) const
285 for (int i = range.start; i != range.end; ++i)
287 readers->operator[](i) = new VideoCapture(files->operator[](i));
288 CV_Assert(readers->operator[](i)->isOpened());
292 std::vector<VideoCapture*>* readers;
293 const std::vector<std::string>* files;
296 class ReadImageAndTest :
297 public ParallelLoopBody
300 ReadImageAndTest(const std::vector<VideoCapture*>& _readers, cvtest::TS* _ts) :
301 ParallelLoopBody(), readers(&_readers), ts(_ts)
305 virtual void operator() (const Range& range) const
307 for (int j = range.start; j < range.end; ++j)
309 VideoCapture* capture = readers->operator[](j);
310 CV_Assert(capture != NULL);
311 CV_Assert(capture->isOpened());
313 const static double eps = 23.0;
314 unsigned int frameCount = static_cast<unsigned int>(capture->get(CV_CAP_PROP_FRAME_COUNT));
315 CV_Assert(frameCount == WriteVideo_Invoker::FrameCount);
316 Mat reference(CreateVideoWriterInvoker::FrameSize, CV_8UC3);
318 for (unsigned int i = 0; i < frameCount && next; ++i)
321 (*capture) >> actual;
323 WriteVideo_Invoker::GenerateFrame(reference, i);
325 EXPECT_EQ(reference.cols, actual.cols);
326 EXPECT_EQ(reference.rows, actual.rows);
327 EXPECT_EQ(reference.depth(), actual.depth());
328 EXPECT_EQ(reference.channels(), actual.channels());
330 double psnr = PSNR(actual, reference);
333 #define SUM cvtest::TS::SUMMARY
334 ts->printf(SUM, "\nPSNR: %lf\n", psnr);
335 ts->printf(SUM, "Video #: %d\n", range.start);
336 ts->printf(SUM, "Frame #: %d\n", i);
338 ts->set_failed_test_info(cvtest::TS::FAIL_BAD_ACCURACY);
339 ts->set_gtest_status();
342 absdiff(actual, reference, diff);
344 EXPECT_EQ(countNonZero(diff.reshape(1) > 1), 0);
355 const std::vector<VideoCapture*>* readers;
359 bool ReadImageAndTest::next;
361 TEST(Highgui_Video_parallel_writers_and_readers, accuracy)
363 const unsigned int threadsCount = 4;
364 cvtest::TS* ts = cvtest::TS::ptr();
366 // creating VideoWriters
367 std::vector<VideoWriter*> writers(threadsCount);
368 Range range(0, threadsCount);
369 std::vector<std::string> files(threadsCount);
370 CreateVideoWriterInvoker invoker1(writers, files);
371 parallel_for_(range, invoker1);
374 parallel_for_(range, WriteVideo_Invoker(writers));
376 // deleting the writers
377 for (std::vector<VideoWriter*>::iterator i = writers.begin(), end = writers.end(); i != end; ++i)
381 std::vector<VideoCapture*> readers(threadsCount);
382 CreateVideoCaptureInvoker invoker2(readers, files);
383 parallel_for_(range, invoker2);
385 ReadImageAndTest::next = true;
387 parallel_for_(range, ReadImageAndTest(readers, ts));
389 // deleting tmp video files
390 for (std::vector<std::string>::const_iterator i = files.begin(), end = files.end(); i != end; ++i)
392 int code = remove(i->c_str());
394 std::cerr << "Couldn't delete " << *i << std::endl;