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Java interface to OpenCV, FFmpeg, and more

Results 235 javacv issues
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Hi, Can you please tell me how to convert org.bytedeco.javacv.Frame to base64 ? I am sorry i am asking here this but i have been searching this for weeks. ```...

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public File convertToMp4(File file) throws IOException, FrameGrabber.Exception, FrameRecorder.Exception { FFmpegFrameGrabber grabber = new FFmpegFrameGrabber(file); grabber.start(); FFmpegFrameRecorder recorder = new FFmpegFrameRecorder(file, 0); recorder.setFormat("mp4"); recorder.setFrameRate(grabber.getFrameRate()); recorder.setSampleRate(grabber.getSampleRate()); recorder.setVideoCodec(grabber.getVideoCodec()); recorder.setAudioCodec(grabber.getAudioCodec()); recorder.start(); Frame frame; while...

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This is the solution for the issue #2172 The replacement for avfilter solves this issue completely and colors in the output picture matches to the command-line version of ffmpeg

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You can see that one thread is blocked in the avformat_open_input method after entering the start() method, causing other threads to be unable to acquire the lock to process all...

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The problem I meeting is that I use `ToOrgOpenCvCoreMat` converting frame to mat1. I generate mat2 from mat1. When I try to convert mat2 back to frame, I see all...

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I find a way to print the direct memory used by the direct byte buffers and mapped byte buffers: https://stackoverflow.com/questions/20058489/is-there-a-way-to-measure-direct-memory-usage-in-java But this solution can only print direct byte buffers. As...

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Could you please advise if it's feasible to implement the functionality of sending RTCP packets at the receiving endpoint of an RTSP stream and simultaneously receiving and displaying RTCP packets...

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I have an RTSP playback video that supports variable speed. I'm using JavaCV to process the RTSP and send the video data to a web player. How can I implement...

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When I use the following code to transcode videos, I find that the GPU utilization is much lower compared to directly using cmd to call ffmpeg. ```java public boolean convert(String...

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I am experiencing an issue where FFmpegFrameRecorder.start() hangs indefinitely when trying to start an RTSP stream. The issue occurs consistently and prevents the stream from being established. Steps to Reproduce:...

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