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  • Final Rendered Video is Sped Up Compared to Animation Played in Processing

    15 janvier 2016, par Nightlife

    Recently I made an Audio Visualizer in Processing. From there I wanted to render the animation created in Processing into a mp4 file. I am on a windows computer, and am using ffmpeg to convert my TIF files produced in Processing into mp4.

    When I do this I am able to render the images into an mp4 file, but when I playback this file the animation is sped up compared to the animation when I play it on Processing. Because of this the animation does not sync with the audio when I combine the mp4 file and audio on a video editing program.

    When I set my frame rate to 25 and have the limit on the number of frames to be 250 and render it into a mp4 file it is 10 seconds long like it should be, but it contains more than 10 seconds of the animation when compared to the animation played directly in Processing.

    I have no idea why this is so any help will be much appreciated.

    My Processing code :

    import ddf.minim.*;
    
import ddf.minim.analysis.*;
    

    
Minim minim;
    
AudioPlayer player;
    
PImage img;
    
FFT fft;
    

    
void setup() {
    
  size(728, 546);
    

    
  minim = new Minim(this);
    

    
  // this loads mysong.wav from the data folder as a stream with a internal buffer of size 1024
    
  player = minim.loadFile("new_years_good.mp3");
    
  fft = new FFT(player.bufferSize(), player.sampleRate());
    
  player.play();
    
  img= loadImage("cat-in-shades-.jpg");
    
  frameRate(25);
    
}
    

    
void draw() {
    

    

    
  image(img, 0, 0);
    
  //tint(0, 100, 150);
    
  stroke(255);
    

    
  strokeWeight(4);
    
  float a = 0;
    

    
  float angle = (2*PI) / 200;
    

    

    
  fft.forward(player.mix);
    

    

    
  for(int i=0; i < player.bufferSize() - 1; i++) {
    

    
   //player.mix.get(i) is a value between [-1,1]
    

    
    float x = 250 + cos(a) * (20 * player.mix.get(i) + 100);
    
    float x2 = 540 + cos(a) * (20 * player.mix.get(i) + 100);    
    

    
    float y = 230 + sin(a) * (20 * player.mix.get(i) + 100);
    
    float y2 = 240 + sin(a) * (20 * player.mix.get(i) + 100);
    

    

    
    float xFinal = 250 + cos(a+angle) * (20 * player.mix.get(i+1) + 100);
    
    float x2Final = 540 + cos(a+angle) * (20 * player.mix.get(i+1) + 100);
    

    

    
    float yFinal = 230 + sin(a+angle) * (20 * player.mix.get(i+1) + 100);    
    
    float y2Final = 240 + sin(a+angle) * (20 * player.mix.get(i+1) + 100);    
    

    

    
    line(x,y,xFinal,yFinal);
    
    line(x2,y2,x2Final,y2Final);
    
    a += angle;  
    

    

    

    
  }
    
  noStroke();  
    
  fill(255, 0, 0, 128);
    
  for(int i = 0; i < 250; i++)
    
  {
    
    float b = fft.getBand(i);
    
    float yAxis = random(-b, b) + 480;
    
    float xAxis = i*3;
    
    ellipse(xAxis, yAxis, b, b);
    
  }
    
  saveFrame("frame-####.tif");
    
  if(frameCount>250)
    
    {
    
      noLoop();
    
      stop();
    
    }
    

    
}
    

    
void stop() {
    
  player.close();
    
  minim.stop();
    

    
  super.stop();
    
}

    What I input into the command line (as one line) on the cmd :

    C:\Users\Robert\Documents\Processing\AudioVisulizer>ffmpeg -i C:\Users\Robert\Do
    
cuments\Processing\AudioVisulizer\frame-%04d.tif -r 25 -pix_fmt yuv420p smallVid
    
.mp4

    What it outputted :

        ffmpeg version N-77836-g62dfe1d Copyright (c) 2000-2016 the FFmpeg developers
    
      built with gcc 5.2.0 (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-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-l
    
    ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enab
    
    le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --en
    
    able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --ena
    
    ble-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc
    
     --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enabl
    
    e-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --
    
    enable-lzma --enable-decklink --enable-zlib
    
      libavutil      55. 13.100 / 55. 13.100
    
      libavcodec     57. 22.100 / 57. 22.100
    
      libavformat    57. 21.101 / 57. 21.101
    
      libavdevice    57.  0.100 / 57.  0.100
    
      libavfilter     6. 23.100 /  6. 23.100
    
      libswscale      4.  0.100 /  4.  0.100
    
      libswresample   2.  0.101 /  2.  0.101
    
      libpostproc    54.  0.100 / 54.  0.100
    
    Input #0, image2, from 'C:\Users\Robert\Documents\Processing\AudioVisulizer\fram
    
    e-%04d.tif':
    
      Duration: 00:00:10.04, start: 0.000000, bitrate: N/A
    
        Stream #0:0: Video: tiff, rgb24, 728x546, 25 fps, 25 tbr, 25 tbn, 25 tbc
    
    [libx264 @ 00000092cd5e3700] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
    
    AVX FMA3 AVX2 LZCNT BMI2
    
    [libx264 @ 00000092cd5e3700] profile High, level 3.0
    
    [libx264 @ 00000092cd5e3700] 264 - core 148 r2638 7599210 - H.264/MPEG-4 AVC cod
    
    ec - Copyleft 2003-2015 - http://www.videolan.org/x264.html - options: cabac=1 r
    
    ef=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed
    
    _ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pski
    
    p=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 deci
    
    mate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_
    
    adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=2
    
    5 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.6
    
    0 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    
    Output #0, mp4, to 'smallVid.mp4':
    
      Metadata:
    
        encoder         : Lavf57.21.101
    
        Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 728x54
    
    6, q=-1--1, 25 fps, 12800 tbn, 25 tbc
    
        Metadata:
    
          encoder         : Lavc57.22.100 libx264
    
        Side data:
    
          unknown side data type 10 (24 bytes)
    
    Stream mapping:
    
      Stream #0:0 -> #0:0 (tiff (native) -> h264 (libx264))
    
    Press [q] to stop, [?] for help
    
    frame=   52 fps=0.0 q=28.0 size=      77kB time=00:00:00.00 bitrate=N/A speed=
    
    frame=   74 fps= 65 q=28.0 size=     127kB time=00:00:00.88 bitrate=1178.0kbits/
    
    frame=   93 fps= 57 q=28.0 size=     164kB time=00:00:01.64 bitrate= 820.0kbits/
    
    frame=  113 fps= 52 q=28.0 size=     201kB time=00:00:02.44 bitrate= 676.3kbits/
    
    frame=  136 fps= 51 q=28.0 size=     245kB time=00:00:03.36 bitrate= 596.3kbits/
    
    frame=  157 fps= 49 q=28.0 size=     282kB time=00:00:04.20 bitrate= 550.2kbits/
    
    frame=  178 fps= 48 q=28.0 size=     324kB time=00:00:05.04 bitrate= 527.2kbits/
    
    frame=  199 fps= 47 q=28.0 size=     362kB time=00:00:05.88 bitrate= 504.1kbits/
    
    frame=  219 fps= 46 q=28.0 size=     403kB time=00:00:06.68 bitrate= 494.2kbits/
    
    frame=  242 fps= 46 q=28.0 size=     452kB time=00:00:07.60 bitrate= 486.8kbits/
    
    frame=  251 fps= 38 q=-1.0 Lsize=     623kB time=00:00:09.96 bitrate= 512.3kbits
    
    /s speed=1.52x
    
    video:619kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing o
    
    verhead: 0.607807%
    
    [libx264 @ 00000092cd5e3700] frame I:2     Avg QP:21.74  size: 56596
    
    [libx264 @ 00000092cd5e3700] frame P:66    Avg QP:23.36  size:  2523
    
    [libx264 @ 00000092cd5e3700] frame B:183   Avg QP:31.50  size:  1932
    
    [libx264 @ 00000092cd5e3700] consecutive B-frames:  0.8%  4.0%  6.0% 89.2%
    
    [libx264 @ 00000092cd5e3700] mb I  I16..4: 10.9% 72.6% 16.5%
    
    [libx264 @ 00000092cd5e3700] mb P  I16..4:  0.0%  0.0%  0.2%  P16..4:  4.4%  2.3
    
    %  3.3%  0.0%  0.0%    skip:89.7%
    
    [libx264 @ 00000092cd5e3700] mb B  I16..4:  0.0%  0.0%  0.5%  B16..8:  3.2%  2.0
    
    %  2.3%  direct: 1.3%  skip:90.7%  L0:50.9% L1:42.2% BI: 7.0%
    
    [libx264 @ 00000092cd5e3700] 8x8 transform intra:50.2% inter:10.1%
    
    [libx264 @ 00000092cd5e3700] coded y,uvDC,uvAC intra: 83.4% 32.6% 14.2% inter: 3
    
    .5% 0.2% 0.0%
    
    [libx264 @ 00000092cd5e3700] i16 v,h,dc,p: 22%  8%  8% 62%
    
    [libx264 @ 00000092cd5e3700] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 12% 19%  6%  9%
    
     9%  9%  9%  9%
    
    [libx264 @ 00000092cd5e3700] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 14% 22%  6%  9%
    
     8%  8%  5%  6%
    
    [libx264 @ 00000092cd5e3700] i8c dc,h,v,p: 74% 12% 12%  2%
    
    [libx264 @ 00000092cd5e3700] Weighted P-Frames: Y:0.0% UV:0.0%
    
    [libx264 @ 00000092cd5e3700] ref P L0: 41.8%  3.9% 24.3% 30.0%
    
    [libx264 @ 00000092cd5e3700] ref B L0: 64.5% 25.0% 10.5%
    
    [libx264 @ 00000092cd5e3700] ref B L1: 82.2% 17.8%
    
    [libx264 @ 00000092cd5e3700] kb/s:504.56

  • Prevent output in error log when ffmpeg job is initiated via PHP's shell_exec()

    19 janvier 2016, par Jake

    I’m getting the entire output of the ffmpeg command printed to my server’s error.log — but as far as I can tell, the jobs complete successfully with no error.

    Is there any way to suppress the output ? I have seen people append stuff like >/dev/null 2>/dev/null & to their command, however that forces the command to return immediately and the job runs in the background. Unfortunately, I need the job to run in the foreground, because I need to do stuff with the output once the job is done.

    Here’s the command I am running...

    shell_exec('ffmpeg -i input.mp4 -f mp4 -c:v libx264 -preset slow -crf 24 -s 1280x720 -c:a libfdk_aac -profile:a aac_he -ar 22050 -b:a 64k -movflags +faststart output-1280x720.mp4');

    Here’s the output I am seeing...

    [Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] ffmpeg version N-77432-gc0f67e1 Copyright (c) 2000-2015 the FFmpeg developers
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   built with gcc 4.4.5 (Debian 4.4.5-8)
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   configuration: --prefix=/usr --enable-nonfree --enable-libfreetype --enable-gpl --enable-libx264 --enable-x11grab --enable-zlib --enable-libvpx --enable-libtheora --enable-libvorbis --enable-libfdk-aac --enable-libmp3lame --enable-libopus
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libavutil      55. 11.100 / 55. 11.100
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libavcodec     57. 19.100 / 57. 19.100
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libavformat    57. 20.100 / 57. 20.100
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libavdevice    57.  0.100 / 57.  0.100
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libavfilter     6. 21.100 /  6. 21.100
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libswscale      4.  0.100 /  4.  0.100
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libswresample   2.  0.101 /  2.  0.101
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   libpostproc    54.  0.100 / 54.  0.100
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test-video.mp4':
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   Metadata:
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     major_brand     : mp42
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     minor_version   : 0
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     compatible_brands: mp42mp41
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     creation_time   : 2015-07-14 22:13:20
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   Duration: 00:00:10.51, start: 0.000000, bitrate: 17178 kb/s
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 17170 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 tbc (default)
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     Metadata:
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]       creation_time   : 2015-07-14 22:13:20
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]       handler_name    : Alias Data Handler
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]       encoder         : AVC Coding
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] Codec AVOption b (set bitrate (in bits/s)) specified for output file #0 (test-video-480p.mp4) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] Codec AVOption profile () specified for output file #0 (test-video-480p.mp4) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] [libx264 @ 0x4518ea0] using SAR=1280/1281
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] [libx264 @ 0x4518ea0] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] [libx264 @ 0x4518ea0] profile High, level 3.0
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] [libx264 @ 0x4518ea0] 264 - core 120 r2151 a3f4407 - H.264/MPEG-4 AVC codec - Copyleft 2003-2011 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=umh subme=8 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=23 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=crf mbtree=1 crf=24.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] Output #0, mp4, to 'test-video-480p.mp4':
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   Metadata:
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     major_brand     : mp42
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     minor_version   : 0
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     compatible_brands: mp42mp41
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     encoder         : Lavf57.20.100
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     Stream #0:0(eng): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 854x480 [SAR 1280:1281 DAR 16:9], q=-1--1, 23.98 fps, 24k tbn, 23.98 tbc (default)
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     Metadata:
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]       creation_time   : 2015-07-14 22:13:20
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]       handler_name    : Alias Data Handler
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]       encoder         : Lavc57.19.100 libx264
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]     Side data:
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]       unknown side data type 10 (24 bytes)
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] Stream mapping:
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX]   Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
    
[Tue Jan 19 17:10:59 2016] [error] [client XXX.XXX.XXX.XXX] Press [q] to stop, [?] for help
    
[Tue Jan 19 17:11:00 2016] [error] [client XXX.XXX.XXX.XXX] frame=   24 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    \r
    
[Tue Jan 19 17:11:00 2016] [error] [client XXX.XXX.XXX.XXX] frame=   53 fps= 51 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    \r
    
[Tue Jan 19 17:11:02 2016] [error] [client XXX.XXX.XXX.XXX] frame=   62 fps= 25 q=29.0 size=      75kB time=00:00:00.00 bitrate=N/A speed=   0x    \r
    
[Tue Jan 19 17:11:02 2016] [error] [client XXX.XXX.XXX.XXX] frame=   68 fps= 20 q=29.0 size=      90kB time=00:00:00.25 bitrate=2946.8kbits/s speed=0.0745x    \r
    
[Tue Jan 19 17:11:03 2016] [error] [client XXX.XXX.XXX.XXX] frame=   74 fps= 18 q=29.0 size=     103kB time=00:00:00.50 bitrate=1689.9kbits/s speed=0.12x    \r
    
[Tue Jan 19 17:11:04 2016] [error] [client XXX.XXX.XXX.XXX] frame=   80 fps= 16 q=29.0 size=     115kB time=00:00:00.75 bitrate=1258.5kbits/s speed=0.148x    \r
    
[Tue Jan 19 17:11:05 2016] [error] [client XXX.XXX.XXX.XXX] frame=   86 fps= 15 q=29.0 size=     128kB time=00:00:01.00 bitrate=1049.4kbits/s speed=0.175x    \r
    
[Tue Jan 19 17:11:05 2016] [error] [client XXX.XXX.XXX.XXX] frame=   92 fps= 15 q=29.0 size=     140kB time=00:00:01.25 bitrate= 917.2kbits/s speed=0.201x    \r
    
[Tue Jan 19 17:11:06 2016] [error] [client XXX.XXX.XXX.XXX] frame=   94 fps= 14 q=29.0 size=     146kB time=00:00:01.33 bitrate= 895.4kbits/s speed=0.196x    \r
    
[Tue Jan 19 17:11:07 2016] [error] [client XXX.XXX.XXX.XXX] frame=  100 fps= 13 q=29.0 size=     158kB time=00:00:01.58 bitrate= 816.6kbits/s speed=0.211x    \r

  • FFMPEG crop video output is black screen, sound is good [on hold]

    11 janvier 2016, par Oum Alaa

    I cropped a video using ffmpeg command line, the output is black screen, the sound is clear and good :

    ffmpeg -i Original.mp4 -t 00:00:29 -vf "crop=634:300:0:60" Done.mp4

    ffmpeg version :

    ffmpeg version 0.8.17-4:0.8.17-0ubuntu0.12.04.1, Copyright (c) 2000-2014 the Libav developers

    built on Mar 16 2015 13:26:50 with gcc 4.6.3

    video information :

    mediainfo '--Inform=Video;%Width%x%Height%' Original.mp4
    
634x360

    Thanks in advance

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