116 lines
4.5 KiB
C++
116 lines
4.5 KiB
C++
#include <cstdio>
|
|
#include <chrono>
|
|
#include <Processing.NDI.Lib.h>
|
|
#include <opencv2/opencv.hpp>
|
|
|
|
#ifdef _WIN32
|
|
#ifdef _WIN64
|
|
#pragma comment(lib, "Processing.NDI.Lib.x64.lib")
|
|
#else // _WIN64
|
|
#pragma comment(lib, "Processing.NDI.Lib.x86.lib")
|
|
#endif // _WIN64
|
|
#endif // _WIN32
|
|
|
|
int main(int argc, char* argv[])
|
|
{ // Not required, but "correct" (see the SDK documentation.
|
|
if (!NDIlib_initialize()) return 0;
|
|
|
|
// Create a finder
|
|
NDIlib_find_instance_t pNDI_find = NDIlib_find_create_v2();
|
|
if (!pNDI_find) return 0;
|
|
|
|
// Wait until there is one source
|
|
uint32_t no_sources = 0;
|
|
const NDIlib_source_t* p_sources = NULL;
|
|
while (!no_sources)
|
|
{ // Wait until the sources on the nwtork have changed
|
|
printf("Looking for sources ...\n");
|
|
NDIlib_find_wait_for_sources(pNDI_find, 1000/* One second */);
|
|
p_sources = NDIlib_find_get_current_sources(pNDI_find, &no_sources);
|
|
}
|
|
|
|
// We now have at least one source, so we create a receiver to look at it.
|
|
NDIlib_recv_create_t pNDI_recv_parameters = { *p_sources, NDIlib_recv_color_format_e_BGRX_BGRA, NDIlib_recv_bandwidth_highest, true };
|
|
NDIlib_recv_instance_t pNDI_recv = NDIlib_recv_create_v2(&pNDI_recv_parameters);
|
|
if (!pNDI_recv) return 0;
|
|
|
|
// Connect to our sources
|
|
NDIlib_recv_connect(pNDI_recv, p_sources + 0);
|
|
|
|
// Destroy the NDI finder. We needed to have access to the pointers to p_sources[0]
|
|
NDIlib_find_destroy(pNDI_find);
|
|
|
|
// Run for one minute
|
|
using namespace std::chrono;
|
|
// uchar* p_data = (uchar*)malloc(1920 * 1080 * 2);
|
|
for (const auto start = high_resolution_clock::now(); high_resolution_clock::now() - start < minutes(5);)
|
|
{ // The descriptors
|
|
NDIlib_video_frame_v2_t video_frame;
|
|
// NDIlib_audio_frame_v2_t audio_frame;
|
|
|
|
switch (NDIlib_recv_capture_v2(pNDI_recv, &video_frame, NULL, NULL, 1000))
|
|
{ // No data
|
|
case NDIlib_frame_type_none:
|
|
printf("No data received.\n");
|
|
break;
|
|
|
|
// Video data
|
|
case NDIlib_frame_type_video:
|
|
printf("Video data received (%dx%d).\n", video_frame.xres, video_frame.yres);
|
|
if (video_frame.p_data != nullptr){
|
|
// memcpy(p_data, (uchar*)video_frame.p_data, video_frame.xres * video_frame.yres * 2 * sizeof(uchar));
|
|
|
|
// A bit of testing of the received data.
|
|
std::cout << "The first 100 elements received: " << std::endl;
|
|
for (int i = 0; i < 100; i++){
|
|
std::cout << (int)video_frame.p_data[i] << " ";
|
|
}
|
|
std::cout << std::endl;
|
|
|
|
// A bit of testing of the received data.
|
|
for (int i = 0; i < 100; i++){
|
|
std::cout << "[ " << (int)video_frame.p_data[i*video_frame.xres*3] << " ";
|
|
std::cout << (int)video_frame.p_data[i*video_frame.xres*3 + 1] << " ";
|
|
std::cout << (int)video_frame.p_data[i*video_frame.xres*3 + 2] << " ] ";
|
|
// std::cout << (int)video_frame.p_data[i*video_frame.xres*4 + 3] << " ] ";
|
|
}
|
|
std::cout << std::endl;
|
|
|
|
// cv::Mat frame(video_frame.yres, video_frame.xres, CV_8UC4, video_frame.p_data);
|
|
cv::Mat frame = cv::Mat::zeros(cv::Size(video_frame.xres, video_frame.yres), CV_8UC4);
|
|
std::cout << std::endl;
|
|
memcpy(frame.data, video_frame.p_data, video_frame.xres * video_frame.yres * 4);
|
|
for (int i = 0; i < 100; i++){
|
|
std::cout << frame.at<cv::Vec4b>(0, i) << " ";
|
|
}
|
|
std::cout << std::endl;
|
|
|
|
// cv::cvtColor(frame, frame, cv::COLOR_YUV2BGR_UYVY, 0);
|
|
// memcpy(frame.data, video_frame.p_data, video_frame.xres * video_frame.yres * 4 * sizeof(uint8_t));
|
|
cv::imshow("received image", frame);
|
|
char c = (char)cv::waitKey(0);
|
|
// if (c==27){
|
|
// break;
|
|
// }
|
|
// free(p_data);
|
|
}
|
|
NDIlib_recv_free_video_v2(pNDI_recv, &video_frame);
|
|
break;
|
|
// Audio data
|
|
case NDIlib_frame_type_audio:
|
|
// printf("Audio data received (%d samples).\n", audio_frame.no_samples);
|
|
// NDIlib_recv_free_audio_v2(pNDI_recv, &audio_frame);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Destroy the receiver
|
|
NDIlib_recv_destroy(pNDI_recv);
|
|
|
|
// Not required, but nice
|
|
NDIlib_destroy();
|
|
|
|
// Finished
|
|
return 0;
|
|
}
|