zooway

These are dependent information： ``` org.bytedeco javacpp 1.4.3 org.bytedeco.javacpp-presets ffmpeg-platform 4.0.2-1.4.3 ```

> You'll need to pass something else than null to avformat_find_stream_info()... Hello, thank you for your reply. According to your prompt, I guess that there may be problems with some...

> `avformat_find_stream_info` second parameter can be null. it is okay. ([See link](https://ffmpeg.org/doxygen/2.8/group__lavf__decoding.html#gad42172e27cddafb81096939783b157bb)) > > I think problem is `AVFormatContext pFormatCtx = new AVFormatContext(null);` under `getFormatContext` method. > > use instead...

> Your first code is strange, but it is no problem in working. (When AVFormatContext points to NULL, ffmpeg allocates it.) > > ```java > AVFormatContext pFormatCtx = new AVFormatContext(null);...

> I can't say that the `avformat_find_stream_info` function is the problem. because the `avformat_find_stream_info` function is implemented to return an error code in case of an error. > > In...

> @hzw133 Do you get any crashes with FFmpegFrameGrabber? > @hzw133 Do you get any crashes with FFmpegFrameGrabber? It also crashes when I use FFmpegFrameGrabber. At first I used javacv...

hi @saudet @devjeonghwan ,first of all, thank you for your help last time. I'm sorry I'm back again. Now I have a new problem. The program code shown above will...

> FFmpeg is a C API, and it's quite tricky to deallocate everything properly. You'll need to read the API docs very carefully. This is not easy for me, but...

hi, @devjeonghwan. I’m sorry it took me so long to respond. First of all, thank you for taking the time to help me. I fixed the problem you pointed out...

If you change the datamanager project, you also need to run `yarn dm: watch`. Alternatively, as a better option, simply run `yarn watch` without running any other `xx:watch` commands. Additionally,...