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Sample RecordActivity.java seems isn't practical at all - java very high memory usage #806

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anonym24 opened this issue Oct 6, 2017 · 4 comments
Open

Sample RecordActivity.java seems isn't practical at all - java very high memory usage #806

anonym24 opened this issue Oct 6, 2017 · 4 comments
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enhancement help wanted

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@anonym24
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anonym24 commented Oct 6, 2017

https://github.com/bytedeco/javacv/blob/master/samples/RecordActivity.java

I'm not sure about this part of code (as practical solution):

private void initRecorder() {

        Log.w(LOG_TAG,"init recorder");

        if (RECORD_LENGTH > 0) {
            imagesIndex = 0;
            images = new Frame[RECORD_LENGTH * frameRate];
            timestamps = new long[images.length];
            for (int i = 0; i < images.length; i++) {
                Log.i(LOG_TAG, "Allocating buffer for new Frame " + i);
                images[i] = new Frame(imageWidth, imageHeight, Frame.DEPTH_UBYTE, 2);
                timestamps[i] = -1;
            }
        } else if (yuvImage == null) {
            yuvImage = new Frame(imageWidth, imageHeight, Frame.DEPTH_UBYTE, 2);
            Log.i(LOG_TAG, "create yuvImage");
        }

        Log.i(LOG_TAG, "ffmpeg_url: " + ffmpeg_link);
        recorder = new FFmpegFrameRecorder(ffmpeg_link, imageWidth, imageHeight, 1);
        recorder.setFormat("mp4");
        recorder.setSampleRate(sampleAudioRateInHz);
        // Set in the surface changed method
        recorder.setFrameRate(frameRate);
        recorder.setVideoCodec(28);
        recorder.setVideoOption("crf", "28");
        recorder.setVideoOption("preset", "superfast");

        Log.i(LOG_TAG, "recorder initialize success");

        audioRecordRunnable = new AudioRecordRunnable();
        audioThread = new Thread(audioRecordRunnable);
        runAudioThread = true;
    }

Example sets small image size:

private int imageWidth = 320;
private int imageHeight = 240;

yeah, it would work ok.

when I set 640x480, java memory allocating is pretty big:

screenshot_8

on my phone max java heap == ~200

when I set hd (1280x720) it would fail to record almost at start:

10-06 11:09:15.726 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 0
10-06 11:09:15.731 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 1
10-06 11:09:15.732 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 2
10-06 11:09:15.732 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 3
10-06 11:09:15.732 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 4
10-06 11:09:15.733 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 5
10-06 11:09:15.733 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 6
10-06 11:09:15.736 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 7
10-06 11:09:15.736 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 8
10-06 11:09:15.736 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 9
10-06 11:09:15.737 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 10
10-06 11:09:15.737 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 11
10-06 11:09:15.741 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 12
10-06 11:09:15.742 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 13
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10-06 11:09:15.743 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 15
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10-06 11:09:15.744 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 18
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10-06 11:09:15.806 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 197
10-06 11:09:15.807 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 198
10-06 11:09:15.808 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 199
10-06 11:09:15.808 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 200
10-06 11:09:15.809 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 201
10-06 11:09:15.809 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 202
10-06 11:09:15.809 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 203
10-06 11:09:15.809 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 204
10-06 11:09:15.809 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 205
10-06 11:09:15.809 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 206
10-06 11:09:15.810 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 207
10-06 11:09:15.810 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 208
10-06 11:09:15.810 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 209
10-06 11:09:15.810 7599-7599/test.app.com I/LOGGG: Allocating buffer for new Frame 210
10-06 11:09:15.810 7599-7599/test.app.com I/art: Waiting for a blocking GC Alloc
10-06 11:09:15.814 7599-7610/test.app.com I/art: Clamp target GC heap from 399MB to 384MB
10-06 11:09:15.814 7599-7599/test.app.com I/art: Starting a blocking GC Alloc
10-06 11:09:15.814 7599-7599/test.app.com I/art: Starting a blocking GC Alloc
10-06 11:09:15.817 7599-7599/test.app.com I/art: Starting a blocking GC Alloc
10-06 11:09:15.822 7599-7599/test.app.com I/art: Clamp target GC heap from 399MB to 384MB
10-06 11:09:15.823 7599-7599/test.app.com I/art: Alloc partial concurrent mark sweep GC freed 7(288B) AllocSpace objects, 0(0B) LOS objects, 0% free, 383MB/384MB, paused 260us total 5.133ms
10-06 11:09:15.823 7599-7599/test.app.com I/art: Starting a blocking GC Alloc
10-06 11:09:15.832 7599-7599/test.app.com I/art: Clamp target GC heap from 399MB to 384MB
10-06 11:09:15.833 7599-7599/test.app.com I/art: Alloc concurrent mark sweep GC freed 6(12KB) AllocSpace objects, 0(0B) LOS objects, 0% free, 383MB/384MB, paused 242us total 9.730ms
10-06 11:09:15.833 7599-7599/test.app.com I/art: Forcing collection of SoftReferences for 1800KB allocation
10-06 11:09:15.833 7599-7599/test.app.com I/art: Starting a blocking GC Alloc
10-06 11:09:15.842 7599-7599/test.app.com I/art: Clamp target GC heap from 399MB to 384MB
10-06 11:09:15.842 7599-7599/test.app.com I/art: Alloc concurrent mark sweep GC freed 11(344B) AllocSpace objects, 0(0B) LOS objects, 0% free, 383MB/384MB, paused 257us total 8.879ms
10-06 11:09:15.842 7599-7599/test.app.com W/art: Throwing OutOfMemoryError "Failed to allocate a 1843219 byte allocation with 212680 free bytes and 207KB until OOM"
10-06 11:09:15.842 7599-7599/test.app.com I/art: Starting a blocking GC Alloc
10-06 11:09:15.842 7599-7599/test.app.com I/art: Starting a blocking GC Alloc
10-06 11:09:15.846 7599-7599/test.app.com I/art: Starting a blocking GC Alloc
10-06 11:09:15.851 7599-7599/test.app.com I/art: Clamp target GC heap from 399MB to 384MB
10-06 11:09:15.851 7599-7599/test.app.com I/art: Alloc partial concurrent mark sweep GC freed 4(128B) AllocSpace objects, 0(0B) LOS objects, 0% free, 383MB/384MB, paused 215us total 5.029ms
10-06 11:09:15.851 7599-7599/test.app.com I/art: Starting a blocking GC Alloc
10-06 11:09:15.860 7599-7599/test.app.com I/art: Clamp target GC heap from 399MB to 384MB
10-06 11:09:15.860 7599-7599/test.app.com I/art: Alloc concurrent mark sweep GC freed 2(64B) AllocSpace objects, 0(0B) LOS objects, 0% free, 383MB/384MB, paused 184us total 8.690ms
10-06 11:09:15.860 7599-7599/test.app.com I/art: Forcing collection of SoftReferences for 1800KB allocation
10-06 11:09:15.860 7599-7599/test.app.com I/art: Starting a blocking GC Alloc
10-06 11:09:15.869 7599-7599/test.app.com I/art: Clamp target GC heap from 399MB to 384MB
10-06 11:09:15.869 7599-7599/test.app.com I/art: Alloc concurrent mark sweep GC freed 3(96B) AllocSpace objects, 0(0B) LOS objects, 0% free, 383MB/384MB, paused 189us total 8.531ms
10-06 11:09:15.869 7599-7599/test.app.com W/art: Throwing OutOfMemoryError "Failed to allocate a 1843219 byte allocation with 212680 free bytes and 207KB until OOM"
10-06 11:09:15.869 7599-7599/test.app.com D/AndroidRuntime: Shutting down VM
10-06 11:09:15.870 7599-7599/test.app.com E/AndroidRuntime: FATAL EXCEPTION: main
                                                               Process: test.app.com, PID: 7599
                                                               java.lang.OutOfMemoryError: Failed to allocate a 1843219 byte allocation with 212680 free bytes and 207KB until OOM
                                                                   at dalvik.system.VMRuntime.newNonMovableArray(Native Method)
                                                                   at java.nio.MemoryBlock.allocate(MemoryBlock.java:131)
                                                                   at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:73)
                                                                   at org.bytedeco.javacv.Frame.<init>(Frame.java:108)
                                                                   at test.app.com.RecordActivity.initRecorder(RecordActivity.java:109)
                                                                   at test.app.com.RecordActivity.startRecording(RecordActivity.java:136)
                                                                   at test.app.com.RecordActivity.onClick(RecordActivity.java:447)
                                                                   at android.view.View.performClick(View.java:5207)
                                                                   at android.view.View$PerformClick.run(View.java:21177)
                                                                   at android.os.Handler.handleCallback(Handler.java:742)
                                                                   at android.os.Handler.dispatchMessage(Handler.java:95)
                                                                   at android.os.Looper.loop(Looper.java:154)
                                                                   at android.app.ActivityThread.main(ActivityThread.java:5527)
                                                                   at java.lang.reflect.Method.invoke(Native Method)
                                                                   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:739)
                                                                   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:629)
10-06 11:09:15.872 7599-7599/test.app.com E/MQSEventManagerDelegate: failed to get MQSService.
10-06 11:09:15.891 7599-7599/test.app.com I/Process: Sending signal. PID: 7599 SIG: 9

so it just allocates too much java memory (it won't be able to record in hd quality or full hd)

In my projects I use this example of javacv ffmpeg recording for Android https://github.com/CrazyOrr/FFmpegRecorder (java ffmpegrecorder class: https://github.com/CrazyOrr/FFmpegRecorder/blob/master/app/src/main/java/com/github/crazyorr/ffmpegrecorder/FFmpegRecordActivity.java)

Earlier this example also had mem issues, but author made some fixes: CrazyOrr/FFmpegRecorder#15 (comment) (and I don't notice any quality suffering when recording hd size)

so it doesn't have problems with high java memory usage, I can record in hd or even in full hd quality without problems

though it does quite use many cpu (~25-50%) and doesn't matter which quality I set (crf, image resolution, framerate)

RecordActivity.java sample seems doesn't load cpu at all, but eats many java memory and won't be able to record with size like hd
@saudet
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saudet commented Oct 7, 2017

It's possible to optimize the sample to require less memory. As usual, contributions are welcome! Let me know if you'd like to try, but are encountering any issues. Thanks

@anonym24
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anonym24 commented Oct 9, 2017

I tried original CrazyOrr/FFmpegRecorder project again and it actually seems doesn't use much cpu as I thought (10-30). It's in my project cpu usage is much bigger (35-60), I have to recheck my project. For memory usage issues I guess we can use CrazyOrr/FFmpegRecorder solution, I think it works ok

@anonym24
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anonym24 commented Oct 9, 2017

I just had cameraParams.setRecordingHint(true); in my project, it's of course good for recording (more smooth, better fps), but would eat our devices cpu

@saudet
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saudet commented Oct 9, 2017

Sounds good! Could you update the RecordActivity sample and include the relevant additions from CrazyOrr?

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