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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_writer.cpp
+10 -35
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@@ -2,7 +2,7 @@
#include "opencv2/opencv_modules.hpp"
#if defined(HAVE_OPENCV_CUDACODEC) && defined(_WIN32)
#if defined(HAVE_OPENCV_CUDACODEC)
#include <vector>
#include <numeric>
@@ -20,7 +20,7 @@ int main(int argc, const char* argv[])
return -1;
}
const double FPS = 25.0;
constexpr double fps = 25.0;
cv::VideoCapture reader(argv[1]);
@@ -37,17 +37,12 @@ int main(int argc, const char* argv[])
cv::Mat frame;
cv::cuda::GpuMat d_frame;
std::vector<double> cpu_times;
std::vector<double> gpu_times;
TickMeter tm;
cv::cuda::Stream stream;
for (int i = 1;; ++i)
{
std::cout << "Read " << i << " frame" << std::endl;
reader >> frame;
if (frame.empty())
{
std::cout << "Stop" << std::endl;
@@ -57,47 +52,27 @@ int main(int argc, const char* argv[])
if (!writer.isOpened())
{
std::cout << "Frame Size : " << frame.cols << "x" << frame.rows << std::endl;
std::cout << "Open CPU Writer" << std::endl;
if (!writer.open("output_cpu.avi", cv::VideoWriter::fourcc('X', 'V', 'I', 'D'), FPS, frame.size()))
const String outputFilename = "output_cpu.avi";
if (!writer.open(outputFilename, cv::VideoWriter::fourcc('X', 'V', 'I', 'D'), fps, frame.size()))
return -1;
std::cout << "Writing to " << outputFilename << std::endl;
}
if (d_writer.empty())
{
std::cout << "Open CUDA Writer" << std::endl;
const cv::String outputFilename = "output_gpu.avi";
d_writer = cv::cudacodec::createVideoWriter(outputFilename, frame.size(), FPS);
const cv::String outputFilename = "output_gpu.h264";
d_writer = cv::cudacodec::createVideoWriter(outputFilename, frame.size(), cv::cudacodec::Codec::H264, fps, cv::cudacodec::ColorFormat::BGR, 0, stream);
std::cout << "Writing to " << outputFilename << std::endl;
}
d_frame.upload(frame);
d_frame.upload(frame, stream);
std::cout << "Write " << i << " frame" << std::endl;
tm.reset(); tm.start();
writer.write(frame);
tm.stop();
cpu_times.push_back(tm.getTimeMilli());
tm.reset(); tm.start();
d_writer->write(d_frame);
tm.stop();
gpu_times.push_back(tm.getTimeMilli());
}
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 [XVID] : Avg : " << cpu_avg << " ms FPS : " << 1000.0 / cpu_avg << std::endl;
std::cout << "GPU [H264] : Avg : " << gpu_avg << " ms FPS : " << 1000.0 / gpu_avg << std::endl;
return 0;
}