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Merge pull request #22615 from cudawarped:nvcuvenc

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Update CMake rules to include Nvidia Video Codec SDK encoding libs
This commit is contained in:
cudawarped
2022-10-28 11:03:51 +03:00
committed by GitHub
parent 778faddbd8
commit be670e168a
6 changed files with 57 additions and 102 deletions
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samples/gpu/video_reader.cpp
+19 -43
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@@ -22,65 +22,41 @@ int main(int argc, const char* argv[])
const std::string fname(argv[1]);
cv::namedWindow("CPU", cv::WINDOW_NORMAL);
#if defined(HAVE_OPENGL)
cv::namedWindow("GPU", cv::WINDOW_OPENGL);
cv::cuda::setGlDevice();
#else
cv::namedWindow("GPU", cv::WINDOW_NORMAL);
#endif
cv::TickMeter tm;
cv::Mat frame;
cv::VideoCapture reader(fname);
for (;;)
{
if (!reader.read(frame))
break;
cv::imshow("CPU", frame);
if (cv::waitKey(3) > 0)
break;
}
cv::cuda::GpuMat d_frame;
cv::Ptr<cv::cudacodec::VideoReader> d_reader = cv::cudacodec::createVideoReader(fname);
cv::TickMeter tm;
std::vector<double> cpu_times;
std::vector<double> gpu_times;
int gpu_frame_count=0, cpu_frame_count=0;
for (;;)
{
tm.reset(); tm.start();
if (!reader.read(frame))
break;
tm.stop();
cpu_times.push_back(tm.getTimeMilli());
cpu_frame_count++;
cv::imshow("CPU", frame);
if (cv::waitKey(3) > 0)
break;
}
for (;;)
{
tm.reset(); tm.start();
if (!d_reader->nextFrame(d_frame))
break;
tm.stop();
gpu_times.push_back(tm.getTimeMilli());
gpu_frame_count++;
cv::imshow("GPU", d_frame);
#if defined(HAVE_OPENGL)
cv::imshow("GPU", cv::ogl::Texture2D(d_frame));
#else
d_frame.download(frame);
cv::imshow("GPU", frame);
#endif
if (cv::waitKey(3) > 0)
break;
}
if (!cpu_times.empty() && !gpu_times.empty())
{
std::cout << std::endl << "Results:" << std::endl;
std::sort(cpu_times.begin(), cpu_times.end());
std::sort(gpu_times.begin(), gpu_times.end());
double cpu_avg = std::accumulate(cpu_times.begin(), cpu_times.end(), 0.0) / cpu_times.size();
double gpu_avg = std::accumulate(gpu_times.begin(), gpu_times.end(), 0.0) / gpu_times.size();
std::cout << "CPU : Avg : " << cpu_avg << " ms FPS : " << 1000.0 / cpu_avg << " Frames " << cpu_frame_count << std::endl;
std::cout << "GPU : Avg : " << gpu_avg << " ms FPS : " << 1000.0 / gpu_avg << " Frames " << gpu_frame_count << std::endl;
}
return 0;
}