releasing Frame object

[Hosseinyzr]

Hi, Actually I have question.
for some reasons I want to keep an array of Frame objects. I use FFmpegFrameGrabber for extracting gif frames. and I call frame.clone to keep the original Frame.
I want to know when I am done , how can I release that Frame Objects?
is it correct just to assign each element of Frame[] to null ?

[saudet]

Yes, there is no way to deallocate them manually. But we should probably allow users to do that instead of relying on the garbage collector.

[Hosseinyzr]

so you mean there is no way to free them?
currently I assign them to null and then call this method:

 public static void freeMemory() {
        System.runFinalization();
        Runtime.getRuntime().gc();
        System.gc();
    }

is this useful?

[saudet]

Yes, that should free them, but there are no guarantees and it affects performance.

[saudet]

With the changes in commit 924f1d9, we can now control the deallocation of frames using a PointerScope as demonstrated on this page: http://bytedeco.org/news/2018/07/17/bytedeco-as-distribution/

Let me know if you encounter any problems with this! Thanks

[gudduIgn]

Hey Thnak you so much for resolving this, it was a big relief for me

[gudduIgn]

hey i am still facing the memory leak issue, although memoory leak decreased but i am still facing the issues

[saudet]

@gudduIgn You'll need to provide some details about what you're doing if you expect someone to help!

[saudet]

The changes have been released as part of JavaCV 1.5. Thanks for reporting and enjoy!

[saudet]

BTW, I think I've fixed all the memory leaks occurring in FFmpegFrameGrabber and FFmpegFrameRecorder.
Please give it a try with the snapshots: http://bytedeco.org/builds/