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  • Join two ISMV files

    18 février 2015, par Violeta Grigorova

    I am currently working on a project involving some task with ismv and ismc files. First of all let me give a brief explanation for the current situation. We are using windows based products only. We are getting some ismv and ismc video files from standard CCTV server. The ouput is only ismv in beggning but after indexing we get ismc file too. For each one hour long stream we are getting one ismv file and one ismc file.

    What i need to do now is figure out a way to join multiple one hour streams. For example having a four hour long video will consist of 4 ismv video files.So far I tried ffmpeg codec, but without any success. The same goes for mp4split.

    The error for ffmpeg is the following :
    Could not find codec parameters for
    stream 0 (Video : h264 (avc1 / 0x31637661), none, 586x480, 500 kb/s) : unspecifie
    d pixel format
    Consider increasing the value for the ’analyzeduration’ and ’probesize’ options
    [concat @ 000000000436bd60]

    Executed with the following command :
    ffmpeg.exe -f concat -i F.txt -c copy output

    Here is the codec of the video taken with Media Info : http://tinypic.com/r/ff0h8z/8

    I did not manage to find a version of mp4split to use. Can you please help me solve this problem ?

    The final result should be one video only. This video should be a join between the videos given as input.
    ERROR LOG :

    cmd : >> 
    
ffmpeg.exe -f concat -i F.txt -c copy output.ismv >> c:\test.log
    
ffmpeg version N-67586-g3e1ac10 Copyright (c) 2000-2014 the FFmpeg developers
    
  built on Nov 12 2014 22:10:14 with gcc 4.9.2 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
    
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
    
le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --
    
enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-lib
    
modplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrw
    
b --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinge
    
r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --en
    
able-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis
    
 --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-
    
libx265 --enable-libxavs --enable-libxvid --enable-zlib
    
  libavutil      54. 11.100 / 54. 11.100
    
  libavcodec     56. 12.100 / 56. 12.100
    
  libavformat    56. 12.103 / 56. 12.103
    
  libavdevice    56.  2.100 / 56.  2.100
    
  libavfilter     5.  2.103 /  5.  2.103
    
  libswscale      3.  1.101 /  3.  1.101
    
  libswresample   1.  1.100 /  1.  1.100
    
  libpostproc    53.  3.100 / 53.  3.100
    
[h264 @ 0000000004417f80] AVC: nal size -729776398
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1586392803
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -201009241
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1525559282
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1669219084
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1691392434
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1990351320
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -634604097
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1469591056
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1438535317
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1449123893
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1691583710
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -351019013
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 309254841
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 473575423
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1179057153
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1745148207
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1161919613
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1424567262
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1671905020
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -276201527
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 2129258231
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1382747181
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -53947666
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -494363989
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 675772942
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1778317799
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1694646357
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 322181480
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -129268567
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 161790146
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -182677717
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1764646342
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 43163370
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1896031063
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1945651533
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1279624828
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -789496900
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1843265261
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -159919440
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -782702414
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -340957996
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 301061149
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -433378048
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 510092259
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -539818905
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -211670405
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1489865369
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1093843445
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -911953424
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 405867055
    
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[h264 @ 0000000004417f80] AVC: nal size 1756726661
    
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[h264 @ 0000000004417f80] AVC: nal size -1252304115
    
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[h264 @ 0000000004417f80] AVC: nal size -956720060
    
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[h264 @ 0000000004417f80] AVC: nal size 1972752503
    
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[h264 @ 0000000004417f80] AVC: nal size 22752285
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 148807245
    
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[h264 @ 0000000004417f80] AVC: nal size 1593789403
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 341071185
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1209592176
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1045063878
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1595886078
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1454822618
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1202334437
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 853741989
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 562229559
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1846206258
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -949647435
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 2035288695
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1153464594
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1586433152
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 204824048
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -68386554
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1052945868
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -232379875
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -769469796
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1476243902
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 944865348
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 680117868
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -416140149
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1156708360
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -264356271
    
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[h264 @ 0000000004417f80] AVC: nal size -1709052362
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1592065758
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 737752675
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 2064970227
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 27608298
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1489266222
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 946041170
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1999898747
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1002118094
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 881674828
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1170312534
    
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[h264 @ 0000000004417f80] AVC: nal size 991631349
    
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[h264 @ 0000000004417f80] AVC: nal size -1218616840
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 916839245
    
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[h264 @ 0000000004417f80] AVC: nal size 2133503346
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -2041791480
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1857022891
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1901147878
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 594072630
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 580451068
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1595477547
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1755470860
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 22914809
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 861184964
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 538973456
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -354806072
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -540053632
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -327661798
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1232758622
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 2099868463
    
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[h264 @ 0000000004417f80] AVC: nal size -866724819
    
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[h264 @ 0000000004417f80] AVC: nal size -291115259
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1748168392
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 2019118774
    
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[h264 @ 0000000004417f80] AVC: nal size -928523944
    
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[h264 @ 0000000004417f80] AVC: nal size 1292590826
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -1183926090
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -24524382
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 901119803
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 1866763900
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size 838469106
    
[h264 @ 0000000004417f80] no frame!
    
[h264 @ 0000000004417f80] AVC: nal size -388249262
    
[h264 @ 0000000004417f80] no frame!
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 000000000441ce80] decoding for stream 0 failed
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 000000000441ce80] Could not find codec parameters for
    
 stream 0 (Video: h264 (avc1 / 0x31637661), none, 586x480, 500 kb/s): unspecifie
    
d pixel format
    
Consider increasing the value for the 'analyzeduration' and 'probesize' options
    
[concat @ 000000000441bd60] Impossible to open 'C:\Segment059\CCameraStream.ismv'
    
F.txt: Operation not permitted

    The F.txt file contains :

    file 'C:\Segment059\CameraStream.ismv'
    
file 'C:\Segment060\CameraStream.ismv'

    Reference for the approach : https://trac.ffmpeg.org/wiki/Concatenate#samecodec

  • Video Recording on Android from Frames using javaCV

    23 juin 2016, par jawad bin zafar

    I am using this library javaCV to record video on android. They have provided a sample VideoRecording Activity But There is some bug which I could not figure out what I am doing it wrong or what is missing which causing this bug.

    package org.bytedeco.javacv.recordactivity;
    

    
import android.app.Activity;
    
import android.content.Context;
    
import android.content.pm.ActivityInfo;
    
import android.hardware.Camera;
    
import android.hardware.Camera.PreviewCallback;
    
import android.media.AudioFormat;
    
import android.media.AudioRecord;
    
import android.media.MediaRecorder;
    
import android.os.Bundle;
    
import android.os.PowerManager;
    
import android.util.Log;
    
import android.view.Display;
    
import android.view.KeyEvent;
    
import android.view.LayoutInflater;
    
import android.view.SurfaceHolder;
    
import android.view.SurfaceView;
    
import android.view.View;
    
import android.view.View.OnClickListener;
    
import android.view.WindowManager;
    
import android.widget.Button;
    
import android.widget.LinearLayout;
    
import android.widget.RelativeLayout;
    

    
import java.io.IOException;
    
import java.nio.ShortBuffer;
    

    
import org.bytedeco.javacv.FFmpegFrameRecorder;
    

    
import static org.bytedeco.javacpp.opencv_core.*;
    

    
public class RecordActivity extends Activity implements OnClickListener {
    

    
    private final static String CLASS_LABEL = "RecordActivity";
    
    private final static String LOG_TAG = CLASS_LABEL;
    

    
    private PowerManager.WakeLock mWakeLock;
    

    
    private String ffmpeg_link = "/mnt/sdcard/stream.flv";
    

    
    long startTime = 0;
    
    boolean recording = false;
    

    
    private volatile FFmpegFrameRecorder recorder;
    

    
    private boolean isPreviewOn = false;
    

    
    private int sampleAudioRateInHz = 44100;
    
    private int imageWidth = 320;
    
    private int imageHeight = 240;
    
    private int frameRate = 30;
    

    
    /* audio data getting thread */
    
    private AudioRecord audioRecord;
    
    private AudioRecordRunnable audioRecordRunnable;
    
    private Thread audioThread;
    
    volatile boolean runAudioThread = true;
    

    
    /* video data getting thread */
    
    private Camera cameraDevice;
    
    private CameraView cameraView;
    

    
    private IplImage yuvIplimage = null;
    

    
    /* layout setting */
    
    private final int bg_screen_bx = 232;
    
    private final int bg_screen_by = 128;
    
    private final int bg_screen_width = 700;
    
    private final int bg_screen_height = 500;
    
    private final int bg_width = 1123;
    
    private final int bg_height = 715;
    
    private final int live_width = 640;
    
    private final int live_height = 480;
    
    private int screenWidth, screenHeight;
    
    private Button btnRecorderControl;
    

    
    /** The number of seconds in the continuous record loop (or 0 to disable loop). */
    
    final int RECORD_LENGTH = 10;
    
    IplImage[] images;
    
    long[] timestamps;
    
    ShortBuffer[] samples;
    
    int imagesIndex, samplesIndex;
    

    
    @Override
    
    public void onCreate(Bundle savedInstanceState) {
    
        super.onCreate(savedInstanceState);
    
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
    

    
        setContentView(R.layout.main);
    

    
        PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); 
    
        mWakeLock = pm.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK, CLASS_LABEL); 
    
        mWakeLock.acquire(); 
    

    
        initLayout();
    
    }
    

    

    
    @Override
    
    protected void onResume() {
    
        super.onResume();
    

    
        if (mWakeLock == null) {
    
           PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
    
           mWakeLock = pm.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK, CLASS_LABEL);
    
           mWakeLock.acquire();
    
        }
    
    }
    

    
    @Override
    
    protected void onPause() {
    
        super.onPause();
    

    
        if (mWakeLock != null) {
    
            mWakeLock.release();
    
            mWakeLock = null;
    
        }
    
    }
    

    
    @Override
    
    protected void onDestroy() {
    
        super.onDestroy();
    

    
        recording = false;
    

    
        if (cameraView != null) {
    
            cameraView.stopPreview();
    
        }
    

    
        if(cameraDevice != null) {
    
           cameraDevice.stopPreview();
    
           cameraDevice.release();
    
           cameraDevice = null;
    
        }
    

    
        if (mWakeLock != null) {
    
            mWakeLock.release();
    
            mWakeLock = null;
    
        }
    
    }
    

    

    
    private void initLayout() {
    

    
        /* get size of screen */
    
        Display display = ((WindowManager) getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
    
        screenWidth = display.getWidth();
    
        screenHeight = display.getHeight();
    
        RelativeLayout.LayoutParams layoutParam = null; 
    
        LayoutInflater myInflate = null; 
    
        myInflate = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    
        RelativeLayout topLayout = new RelativeLayout(this);
    
        setContentView(topLayout);
    
        LinearLayout preViewLayout = (LinearLayout) myInflate.inflate(R.layout.main, null);
    
        layoutParam = new RelativeLayout.LayoutParams(screenWidth, screenHeight);
    
        topLayout.addView(preViewLayout, layoutParam);
    

    
        /* add control button: start and stop */
    
        btnRecorderControl = (Button) findViewById(R.id.recorder_control);
    
        btnRecorderControl.setText("Start");
    
        btnRecorderControl.setOnClickListener(this);
    

    
        /* add camera view */
    
        int display_width_d = (int) (1.0 * bg_screen_width * screenWidth / bg_width);
    
        int display_height_d = (int) (1.0 * bg_screen_height * screenHeight / bg_height);
    
        int prev_rw, prev_rh;
    
        if (1.0 * display_width_d / display_height_d > 1.0 * live_width / live_height) {
    
            prev_rh = display_height_d;
    
            prev_rw = (int) (1.0 * display_height_d * live_width / live_height);
    
        } else {
    
            prev_rw = display_width_d;
    
            prev_rh = (int) (1.0 * display_width_d * live_height / live_width);
    
        }
    
        layoutParam = new RelativeLayout.LayoutParams(prev_rw, prev_rh);
    
        layoutParam.topMargin = (int) (1.0 * bg_screen_by * screenHeight / bg_height);
    
        layoutParam.leftMargin = (int) (1.0 * bg_screen_bx * screenWidth / bg_width);
    

    
        cameraDevice = Camera.open();
    
        Log.i(LOG_TAG, "cameara open");
    
        cameraView = new CameraView(this, cameraDevice);
    
        topLayout.addView(cameraView, layoutParam);
    
        Log.i(LOG_TAG, "cameara preview start: OK");
    
    }
    

    
    //---------------------------------------
    
    // initialize ffmpeg_recorder
    
    //---------------------------------------
    
    private void initRecorder() {
    

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

    
        if (RECORD_LENGTH > 0) {
    
            imagesIndex = 0;
    
            images = new IplImage[RECORD_LENGTH * frameRate];
    
            timestamps = new long[images.length];
    
            for (int i = 0; i < images.length; i++) {
    
                images[i] = IplImage.create(imageWidth, imageHeight, IPL_DEPTH_8U, 2);
    
                timestamps[i] = -1;
    
            }
    
        } else if (yuvIplimage == null) {
    
            yuvIplimage = IplImage.create(imageWidth, imageHeight, IPL_DEPTH_8U, 2);
    
            Log.i(LOG_TAG, "create yuvIplimage");
    
        }
    

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

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

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

    
    public void startRecording() {
    

    
        initRecorder();
    

    
        try {
    
            recorder.start();
    
            startTime = System.currentTimeMillis();
    
            recording = true;
    
            audioThread.start();
    

    
        } catch (FFmpegFrameRecorder.Exception e) {
    
            e.printStackTrace();
    
        }
    
    }
    

    
    public void stopRecording() {
    

    
        runAudioThread = false;
    
        try {
    
            audioThread.join();
    
        } catch (InterruptedException e) {
    
            e.printStackTrace();
    
        }
    
        audioRecordRunnable = null;
    
        audioThread = null;
    

    
        if (recorder != null && recording) {
    
            if (RECORD_LENGTH > 0) {
    
                Log.v(LOG_TAG,"Writing frames");
    
                try {
    
                    int firstIndex = imagesIndex % samples.length;
    
                    int lastIndex = (imagesIndex - 1) % images.length;
    
                    if (imagesIndex <= images.length) {
    
                        firstIndex = 0;
    
                        lastIndex = imagesIndex - 1;
    
                    }
    
                    if ((startTime = timestamps[lastIndex] - RECORD_LENGTH * 1000000L) < 0) {
    
                        startTime = 0;
    
                    }
    
                    if (lastIndex < firstIndex) {
    
                        lastIndex += images.length;
    
                    }
    
                    for (int i = firstIndex; i <= lastIndex; i++) {
    
                        long t = timestamps[i % timestamps.length] - startTime;
    
                        if (t >= 0) {
    
                            if (t > recorder.getTimestamp()) {
    
                                recorder.setTimestamp(t);
    
                            }
    
                            recorder.record(images[i % images.length]);
    
                        }
    
                    }
    

    
                    firstIndex = samplesIndex % samples.length;
    
                    lastIndex = (samplesIndex - 1) % samples.length;
    
                    if (samplesIndex <= samples.length) {
    
                        firstIndex = 0;
    
                        lastIndex = samplesIndex - 1;
    
                    }
    
                    if (lastIndex < firstIndex) {
    
                        lastIndex += samples.length;
    
                    }
    
                    for (int i = firstIndex; i <= lastIndex; i++) {
    
                        recorder.record(samples[i % samples.length]);
    
                    }
    
                } catch (FFmpegFrameRecorder.Exception e) {
    
                    Log.v(LOG_TAG,e.getMessage());
    
                    e.printStackTrace();
    
                }
    
            }
    

    
            recording = false;
    
            Log.v(LOG_TAG,"Finishing recording, calling stop and release on recorder");
    
            try {
    
                recorder.stop();
    
                recorder.release();
    
            } catch (FFmpegFrameRecorder.Exception e) {
    
                e.printStackTrace();
    
            }
    
            recorder = null;
    

    
        }
    
    }
    

    
    @Override
    
    public boolean onKeyDown(int keyCode, KeyEvent event) {
    

    
        if (keyCode == KeyEvent.KEYCODE_BACK) {
    
            if (recording) {
    
                stopRecording();
    
            }
    

    
            finish();
    

    
            return true;
    
        }
    

    
        return super.onKeyDown(keyCode, event);
    
    }
    

    

    
    //---------------------------------------------
    
    // audio thread, gets and encodes audio data
    
    //---------------------------------------------
    
    class AudioRecordRunnable implements Runnable {
    

    
        @Override
    
        public void run() {
    
            android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_URGENT_AUDIO);
    

    
            // Audio
    
            int bufferSize;
    
            ShortBuffer audioData;
    
            int bufferReadResult;
    

    
            bufferSize = AudioRecord.getMinBufferSize(sampleAudioRateInHz, 
    
                    AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT);
    
            audioRecord = new AudioRecord(MediaRecorder.AudioSource.MIC, sampleAudioRateInHz, 
    
                    AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT, bufferSize);
    

    
            if (RECORD_LENGTH > 0) {
    
                samplesIndex = 0;
    
                samples = new ShortBuffer[RECORD_LENGTH * sampleAudioRateInHz * 2 / bufferSize + 1];
    
                for (int i = 0; i < samples.length; i++) {
    
                    samples[i] = ShortBuffer.allocate(bufferSize);
    
                }
    
            } else {
    
                audioData = ShortBuffer.allocate(bufferSize);
    
            }
    

    
            Log.d(LOG_TAG, "audioRecord.startRecording()");
    
            audioRecord.startRecording();
    

    
            /* ffmpeg_audio encoding loop */
    
            while (runAudioThread) {
    
                if (RECORD_LENGTH > 0) {
    
                    audioData = samples[samplesIndex++ % samples.length];
    
                    audioData.position(0).limit(0);
    
                }
    
                //Log.v(LOG_TAG,"recording? " + recording);
    
                bufferReadResult = audioRecord.read(audioData.array(), 0, audioData.capacity());
    
                audioData.limit(bufferReadResult);
    
                if (bufferReadResult > 0) {
    
                    Log.v(LOG_TAG,"bufferReadResult: " + bufferReadResult);
    
                    // If "recording" isn't true when start this thread, it never get's set according to this if statement...!!!
    
                    // Why?  Good question...
    
                    if (recording) {
    
                        if (RECORD_LENGTH <= 0) try {
    
                            recorder.record(audioData);
    
                            //Log.v(LOG_TAG,"recording " + 1024*i + " to " + 1024*i+1024);
    
                        } catch (FFmpegFrameRecorder.Exception e) {
    
                            Log.v(LOG_TAG,e.getMessage());
    
                            e.printStackTrace();
    
                        }
    
                    }
    
                }
    
            }
    
            Log.v(LOG_TAG,"AudioThread Finished, release audioRecord");
    

    
            /* encoding finish, release recorder */
    
            if (audioRecord != null) {
    
                audioRecord.stop();
    
                audioRecord.release();
    
                audioRecord = null;
    
                Log.v(LOG_TAG,"audioRecord released");
    
            }
    
        }
    
    }
    

    
    //---------------------------------------------
    
    // camera thread, gets and encodes video data
    
    //---------------------------------------------
    
    class CameraView extends SurfaceView implements SurfaceHolder.Callback, PreviewCallback {
    

    
        private SurfaceHolder mHolder;
    
        private Camera mCamera;
    

    
        public CameraView(Context context, Camera camera) {
    
            super(context);
    
            Log.w("camera","camera view");
    
            mCamera = camera;
    
            mHolder = getHolder();
    
            mHolder.addCallback(CameraView.this);
    
            mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
    
            mCamera.setPreviewCallback(CameraView.this);
    
        }
    

    
        @Override
    
        public void surfaceCreated(SurfaceHolder holder) {
    
            try {
    
                stopPreview();
    
                mCamera.setPreviewDisplay(holder);
    
            } catch (IOException exception) {
    
                mCamera.release();
    
                mCamera = null;
    
            }
    
        }
    

    
        public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
    
            Log.v(LOG_TAG,"Setting imageWidth: " + imageWidth + " imageHeight: " + imageHeight + " frameRate: " + frameRate);
    
            Camera.Parameters camParams = mCamera.getParameters();
    
            camParams.setPreviewSize(imageWidth, imageHeight);
    

    
            Log.v(LOG_TAG,"Preview Framerate: " + camParams.getPreviewFrameRate());
    

    
            camParams.setPreviewFrameRate(frameRate);
    
            mCamera.setParameters(camParams);
    
            startPreview();
    
        }
    

    
        @Override
    
        public void surfaceDestroyed(SurfaceHolder holder) {
    
            try {
    
                mHolder.addCallback(null);
    
                mCamera.setPreviewCallback(null);
    
            } catch (RuntimeException e) {
    
                // The camera has probably just been released, ignore.
    
            }
    
        }
    

    
        public void startPreview() {
    
            if (!isPreviewOn && mCamera != null) {
    
                isPreviewOn = true;
    
                mCamera.startPreview();
    
            }
    
        }
    

    
        public void stopPreview() {
    
            if (isPreviewOn && mCamera != null) {
    
                isPreviewOn = false;
    
                mCamera.stopPreview();
    
            }
    
        }
    

    
        @Override
    
        public void onPreviewFrame(byte[] data, Camera camera) {
    
            if (audioRecord == null || audioRecord.getRecordingState() != AudioRecord.RECORDSTATE_RECORDING) {
    
                startTime = System.currentTimeMillis();
    
                return;
    
            }
    
            if (RECORD_LENGTH > 0) {
    
                int i = imagesIndex++ % images.length;
    
                yuvIplimage = images[i];
    
                timestamps[i] = 1000 * (System.currentTimeMillis() - startTime);
    
            }
    
            /* get video data */
    
            if (yuvIplimage != null && recording) {
    
                yuvIplimage.getByteBuffer().put(data);
    

    
                if (RECORD_LENGTH <= 0) try {
    
                    Log.v(LOG_TAG,"Writing Frame");
    
                    long t = 1000 * (System.currentTimeMillis() - startTime);
    
                    if (t > recorder.getTimestamp()) {
    
                        recorder.setTimestamp(t);
    
                    }
    
                    recorder.record(yuvIplimage);
    
                } catch (FFmpegFrameRecorder.Exception e) {
    
                    Log.v(LOG_TAG,e.getMessage());
    
                    e.printStackTrace();
    
                }
    
            }
    
        }
    
    }
    

    
    @Override
    
    public void onClick(View v) {
    
        if (!recording) {
    
            startRecording();
    
            Log.w(LOG_TAG, "Start Button Pushed");
    
            btnRecorderControl.setText("Stop");
    
        } else {
    
            // This will trigger the audio recording loop to stop and then set isRecorderStart = false;
    
            stopRecording();
    
            Log.w(LOG_TAG, "Stop Button Pushed");
    
            btnRecorderControl.setText("Start");
    
        }
    
    }
    
}

    I am getting this error

    The type org.bytedeco.javacpp.avutil$AVFrame cannot be resolved. It is indirectly referenced from required .class files

    at following line in the above code

    if (RECORD_LENGTH <= 0) try {
    
    recorder.record(audioData);
    
    //Log.v(LOG_TAG,"recording " + 1024*i + " to " + 1024*i+1024);
    
 }

    at recorder.record(audioData). I don’t know what I am doing wrong here. New to JavaCV. Any help will be appreciated.

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