RTSP stream in Java (Eclipse) VideoCapture.read() error
Hi for All!
I try develope application on Java with OpenCV wich must grab rtsp stream from DVR. My code as every example:
import org.opencv.videoio.VideoCapture;
public class Main {
static {
System.loadLibrary("opencv_java300");
}
public static void main(String[] args) {
// TODO Auto-generated method stub
VideoCapture cap = new VideoCapture("rtsp://admin:[email protected]/h264/ch1/main/av_stream");
try {
System.out.println("Delay waiting..");
Thread.sleep(10000); // wait while stream open from dvr
System.out.println("Delay end..");
} catch(InterruptedException ex) {
Thread.currentThread().interrupt();
}
if (!cap.isOpened()) {
System.exit(-1);
}
System.out.println("Prepare to Get frame..");
// Matrix for storing image
Mat image = new Mat();
// Frame for displaying image
MyFrame frame = new MyFrame(); // Some frame creation custom class
frame.setVisible(true);
// Main loop
while (true) {
// Read current camera frame into matrix
cap.read(image);
System.out.println("Geting frame..");
try {
System.out.println("Frame delay waiting..");
Thread.sleep(500);
System.out.println("Delay end..");
} catch(InterruptedException ex) {
Thread.currentThread().interrupt();
}
// Render frame if the camera is still acquiring images
if (image != null) {
frame.render(image);
} else {
System.out.println("No captured frame -- camera disconnected");
break;
}
}
}
But I get some frames to my (JFram+JPanel) window and run stop at this line
cap.read(image);
after some wait I get error:
GStreamer Plugin: Embedded video playback halted; module source reported: Could not read from resource.
OpenCV Error: Unspecified error (GStreamer: unable to start pipeline) in icvStartPipeline, file /home/myuser/git/opencv/modules/videoio/src/cap_gstreamer.cpp, line 383
Exception in thread "main"
I understand, this error report about rtsp sourcce problem, but if I get this stream in VLC, video work fine.
This problem only rtsp stream. If I try grab local media file or webcam all work fine. :(
OS: LinuxMint 17.2, OpenCV 3.0.0
Please help!
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