javacv
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bytedeco
Java interface to OpenCV, FFmpeg, and more
Description of the problem : I'm using FFmpegFrameGrabber to pull rtsp stream and grab image. But when i run it in docker on Linux server (32core), start will block when...
 It warns Too many bits per frame requested, and than a fatal error has been detected
Hi All, my wav file is multi channel, how can I use FFmpegFrameGrabber to get a specific channel and write it into an output wav file ? Thanks a lot
i hava a question, do you tell me, when i can use javacv, i can ensure direct memory not overflow??
 when i use javacv, direct memory overflow, linux os kill my process. so i want to know , i can ensure direct memory not overflow??
Like the following example, I use the OpenCVFrameGrabber.grab() and FFmpegFrameRecorder.start() functions. The program always runs for a period of time, and there will be got JVM CRASH Exception: `public class...
Hello, I have a problem when using javaCV to call ffmpeg for audio transcoding. I don't know if it is a bug. I built a `FFmpegFrameGrabber `and set the output...
I have a large file published by lighttd server and custom inputstream for buffer it and use it. Then i call the setTimestamp(ts) i got a downloading file until necessery...
=============the code=============== Mat img = opencv_imgcodecs.imread(url); Console.log("img："+img+" " + img.cols()+" "+img.rows()); WeChatQRCode detector = new WeChatQRCode(); MatVector matVector=new MatVector(); StringVector decoded_info = detector.detectAndDecode(img,matVector); Console.log("reslut：" + decoded_info.get(0).getString()); ===========end=================== I have used...
I would like to take a screenshot of my mac every second using opencv. Is this possible? If so, is there an example that I could reference? I see the...
