mirror of
https://github.com/opencv/opencv.git
synced 2024-12-15 01:39:10 +08:00
136 lines
4.3 KiB
C++
136 lines
4.3 KiB
C++
// This file is part of OpenCV project.
|
|
// It is subject to the license terms in the LICENSE file found in the top-level directory
|
|
// of this distribution and at http://opencv.org/license.html.
|
|
|
|
#include "test_precomp.hpp"
|
|
|
|
using namespace std;
|
|
|
|
namespace opencv_test { namespace {
|
|
|
|
const int FRAME_COUNT = 120;
|
|
|
|
inline void generateFrame(int i, Mat & frame)
|
|
{
|
|
::generateFrame(i, FRAME_COUNT, frame);
|
|
}
|
|
|
|
TEST(videoio_dynamic, basic_write)
|
|
{
|
|
const Size FRAME_SIZE(640, 480);
|
|
const double FPS = 100;
|
|
const String filename = cv::tempfile(".avi");
|
|
const int fourcc = VideoWriter::fourcc('M', 'J', 'P', 'G');
|
|
|
|
bool fileExists = false;
|
|
{
|
|
vector<VideoCaptureAPIs> backends = videoio_registry::getWriterBackends();
|
|
for (VideoCaptureAPIs be : backends)
|
|
{
|
|
VideoWriter writer;
|
|
writer.open(filename, be, fourcc, FPS, FRAME_SIZE, true);
|
|
if (writer.isOpened())
|
|
{
|
|
Mat frame(FRAME_SIZE, CV_8UC3);
|
|
for (int j = 0; j < FRAME_COUNT; ++j)
|
|
{
|
|
generateFrame(j, frame);
|
|
writer << frame;
|
|
}
|
|
writer.release();
|
|
fileExists = true;
|
|
}
|
|
EXPECT_FALSE(writer.isOpened());
|
|
}
|
|
}
|
|
if (!fileExists)
|
|
{
|
|
cout << "None of backends has been able to write video file - SKIP reading part" << endl;
|
|
return;
|
|
}
|
|
{
|
|
vector<VideoCaptureAPIs> backends = videoio_registry::getStreamBackends();
|
|
for (VideoCaptureAPIs be : backends)
|
|
{
|
|
std::string backend_name = cv::videoio_registry::getBackendName(be);
|
|
VideoCapture cap;
|
|
cap.open(filename, be);
|
|
if(cap.isOpened())
|
|
{
|
|
int count = 0;
|
|
while (true)
|
|
{
|
|
Mat frame;
|
|
if (cap.grab())
|
|
{
|
|
if (cap.retrieve(frame))
|
|
{
|
|
++count;
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
if (be == CAP_AVFOUNDATION)
|
|
{
|
|
if (FRAME_COUNT != count) // OpenCV 5.0: 5 vs 120
|
|
throw SkipTestException(backend_name + ": invalid number of frames");
|
|
}
|
|
EXPECT_EQ(FRAME_COUNT, count) << backend_name;
|
|
cap.release();
|
|
}
|
|
EXPECT_FALSE(cap.isOpened());
|
|
}
|
|
}
|
|
remove(filename.c_str());
|
|
}
|
|
|
|
TEST(videoio_dynamic, write_invalid)
|
|
{
|
|
vector<VideoCaptureAPIs> backends = videoio_registry::getWriterBackends();
|
|
for (VideoCaptureAPIs be : backends)
|
|
{
|
|
SCOPED_TRACE(be);
|
|
const string filename = cv::tempfile(".mkv");
|
|
VideoWriter writer;
|
|
bool res = true;
|
|
|
|
// Bad FourCC
|
|
EXPECT_NO_THROW(res = writer.open(filename, be, VideoWriter::fourcc('A', 'B', 'C', 'D'), 1, Size(640, 480), true));
|
|
EXPECT_FALSE(res);
|
|
EXPECT_FALSE(writer.isOpened());
|
|
|
|
// Empty filename
|
|
EXPECT_NO_THROW(res = writer.open(String(), be, VideoWriter::fourcc('H', '2', '6', '4'), 1, Size(640, 480), true));
|
|
EXPECT_FALSE(res);
|
|
EXPECT_FALSE(writer.isOpened());
|
|
EXPECT_NO_THROW(res = writer.open(String(), be, VideoWriter::fourcc('M', 'J', 'P', 'G'), 1, Size(640, 480), true));
|
|
EXPECT_FALSE(res);
|
|
EXPECT_FALSE(writer.isOpened());
|
|
|
|
// zero FPS
|
|
EXPECT_NO_THROW(res = writer.open(filename, be, VideoWriter::fourcc('H', '2', '6', '4'), 0, Size(640, 480), true));
|
|
EXPECT_FALSE(res);
|
|
EXPECT_FALSE(writer.isOpened());
|
|
|
|
// cleanup
|
|
EXPECT_NO_THROW(writer.release());
|
|
remove(filename.c_str());
|
|
}
|
|
|
|
// Generic
|
|
{
|
|
VideoWriter writer;
|
|
bool res = true;
|
|
EXPECT_NO_THROW(res = writer.open(std::string(), VideoWriter::fourcc('H', '2', '6', '4'), 1, Size(640, 480)));
|
|
EXPECT_FALSE(res);
|
|
EXPECT_FALSE(writer.isOpened());
|
|
EXPECT_NO_THROW(res = writer.open(std::string(), VideoWriter::fourcc('M', 'J', 'P', 'G'), 1, Size(640, 480)));
|
|
EXPECT_FALSE(res);
|
|
EXPECT_FALSE(writer.isOpened());
|
|
}
|
|
}
|
|
|
|
|
|
}} // opencv_test::<anonymous>::
|