javacv

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what is the method that can make the grabImage() method return null at the expected time in the event of a sudden network outage?

4

hi, I use FFmpegGrabber to pull the rtsp stream, with parameters timeout and stimeout set to 5 seconds. If the network is connected at the beginning, the program can obtain...

wxz1211

is grabber's startUnsafe have any risk?

2

Hi, I met a problem when grab local video file and remote rtmp concurrent, when the rtmp is no stream, the rtmp's grabber's start method will block in the start...

ggslayer

Why do I sometimes get null frames when using FFmpegFrameFilter's poll() method, I'm sure I'm entering a non-null frame

3

jetamie

FFmpegFrameGrabber missed packet problem

4

Hello, I'm trying to capture and display rawvideo stream via sdp file. There is a perfect solution with the command line but when the process is done through java ffmpegframegrabber,...

osmantoker

Failed to decode h264 frame with DXVA2.0 because returned buffer is to small

5

I have to admit that this might not be directly related to javacv as it might be a general ffmpeg problem but not 100% sure. There was recently a fix...

grill2010

Javacv push problem

13

```java new Thread(){ public void run() { FrameGrabber grabber = null; try { grabber = FFmpegFrameGrabber.createDefault(cameraInfo.getRtspHD()); System.out.println(grabber.getPixelFormat()); //3 } catch (org.bytedeco.javacv.FrameGrabber.Exception e2) { e2.printStackTrace(); } grabber.setOption("rtsp_transport", "tcp"); grabber.setImageHeight(576); grabber.setImageWidth(720); String...

RivsDC

FFmpegFrameGrabber's png image pipeline decodes dropped frames

3

This is my image input pseudocode ```java int inputCount=0; whlie(true) { byte[] imageBytes = producePngImage(); if (inputBytes.length == 0) { continue; } pipeOutputStream.write(imageBytes); inputCount++; } ``` this is my FFmpegFrameGrabber's...

jetamie

按顺序推流多个文件

2

如何按顺序推流多个webm文件？

sunflower-zzn

FFMPEGFrameGrabber.start() doesn't find stream most of the time and blocks the thread it's running in from running its course

4

Hello! Hope you're doing well. I'm having some issues with FFMPEGFrameGrabber. Most of the time, when calling the `start()` method, the grabber does not grab any frames from the RTMP...

Alin63992

When using FFmpegFrameGrabber with a wifi camera, the images can have lots of artifacts. here's an example:  this is the code I am using ``` FFmpegLogCallback.set() log("attempting connection to...

nickgitnick