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• Video Recording FFMPEG getting error

  8 mai 2017, par Ankur Tripathi

  Geeting error while screen recording using FFMPEG .. is i am doing anything wrong ?

  i am using "screen-capture-recorder" filter

  its works some time 2 out of 5 it works

  Command :-

  -y -rtbufsize 100M -f dshow -framerate 30 -i video="screen-capture-recorder":audio="virtual-audio-capturer" -c:v

  libx264 -r 30 -preset ultrafast -tune zerolatency -crf 28 -pix_fmt
  yuv420p -c:a aac -strict -2 -ac 2 -b:a 128k
  "C :\Users\Ankur\AppData\Roaming\Ankur\Recent\Temp\2.mp4"

  Error :-

  ffmpeg version N-84348-gdb7a05d Copyright (c) 2000-2017 the FFmpeg developers
  
    built with gcc 6.3.0 (GCC)
  
    configuration: --enable-gpl --enable-version3 --enable-cuda --enable-cuvid --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-zlib
  
    libavutil      55. 50.100 / 55. 50.100
  
    libavcodec     57. 83.101 / 57. 83.101
  
    libavformat    57. 66.105 / 57. 66.105
  
    libavdevice    57.  3.100 / 57.  3.100
  
    libavfilter     6. 78.100 /  6. 78.100
  
    libswscale      4.  3.101 /  4.  3.101
  
    libswresample   2.  4.100 /  2.  4.100
  
    libpostproc    54.  2.100 / 54.  2.100
  
  Input #0, dshow, from 'video=screen-capture-recorder':
  
    Duration: N/A, start: 866001.687000, bitrate: N/A
  
      Stream #0:0: Video: rawvideo, bgr0, 788x404, 30 fps, 30 tbr, 10000k tbn, 10000k tbc
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
  
  Press [q] to stop, [?] for help
  
  [libx264 @ 0000000002505740] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
  
  [libx264 @ 0000000002505740] profile Constrained Baseline, level 3.0
  
  [libx264 @ 0000000002505740] 264 - core 148 r2762 90a61ec - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 -

  http://www.videolan.org/x264.html - options : cabac=0 ref=1
  deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00
  mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0
  deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=4
  lookahead_threads=4 sliced_threads=1 slices=4 nr=0 decimate=1
  interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0
  keyint=250 keyint_min=25 scenecut=0 intra_refresh=0 rc=crf mbtree=0
  crf=28.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=0
  Output #0, mp4, to ’C :\Users\Ankur\AppData\Roaming\Ankur\Recent\Temp\2.mp4’ :
  Metadata :
  encoder : Lavf57.66.105
  Stream #0:0 : Video : h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 788x404, q=-1—1, 30 fps, 15360 tbn, 30 tbc
  Metadata :
  encoder : Lavc57.83.101 libx264
  Side data :
  cpb : bitrate max/min/avg : 0/0/0 buffer size : 0 vbv_delay : -1
  frame= 16 fps=0.0 q=21.0 size= 131kB time=00:00:00.50 bitrate=2146.4kbits/s speed=0.997x
  frame= 31 fps= 31 q=18.0 size= 142kB time=00:00:01.00 bitrate=1166.0kbits/s speed=0.998x
  frame= 46 fps= 31 q=18.0 size= 143kB time=00:00:01.50 bitrate= 783.1kbits/s speed=0.998x
  frame= 61 fps= 30 q=18.0 size= 144kB time=00:00:02.00 bitrate= 591.2kbits/s speed=0.998x
  frame= 76 fps= 30 q=18.0 size= 145kB time=00:00:02.50 bitrate= 475.4kbits/s speed=0.994x
  frame= 91 fps= 30 q=18.0 size= 146kB time=00:00:03.00 bitrate= 399.1kbits/s speed=0.994x
  frame= 106 fps= 30 q=18.0 size= 147kB time=00:00:03.50 bitrate= 344.3kbits/s speed=0.993x
  frame= 121 fps= 30 q=18.0 size= 148kB time=00:00:04.00 bitrate= 303.4kbits/s speed=0.993x
  frame= 136 fps= 30 q=18.0 size= 149kB time=00:00:04.50 bitrate= 271.4kbits/s speed=0.994x
  frame= 152 fps= 30 q=18.0 size= 150kB time=00:00:05.03 bitrate= 244.4kbits/s speed= 1x
  frame= 167 fps= 30 q=18.0 size= 151kB time=00:00:05.53 bitrate= 223.7kbits/s speed= 1x
  frame= 182 fps= 30 q=18.0 size= 152kB time=00:00:06.03 bitrate= 206.7kbits/s speed=0.999x
  frame= 197 fps= 30 q=18.0 size= 153kB time=00:00:06.53 bitrate= 192.2kbits/s speed=0.999x
  frame= 212 fps= 30 q=18.0 size= 154kB time=00:00:07.03 bitrate= 179.6kbits/s speed=0.998x
  frame= 227 fps= 30 q=18.0 size= 155kB time=00:00:07.53 bitrate= 168.8kbits/s speed=0.998x
  frame= 242 fps= 30 q=18.0 size= 156kB time=00:00:08.03 bitrate= 159.3kbits/s speed=0.997x
  frame= 258 fps= 30 q=20.0 size= 292kB time=00:00:08.56 bitrate= 279.4kbits/s speed= 1x
  frame= 273 fps= 30 q=18.0 size= 293kB time=00:00:09.06 bitrate= 264.9kbits/s speed= 1x
  frame= 288 fps= 30 q=18.0 size= 294kB time=00:00:09.56 bitrate= 252.0kbits/s speed=0.999x
  frame= 303 fps= 30 q=18.0 size= 295kB time=00:00:10.06 bitrate= 240.2kbits/s speed=0.999x
  frame= 318 fps= 30 q=18.0 size= 296kB time=00:00:10.56 bitrate= 229.7kbits/s speed=0.998x
  frame= 333 fps= 30 q=18.0 size= 297kB time=00:00:11.06 bitrate= 220.0kbits/s speed=0.998x
  frame= 349 fps= 30 q=18.0 size= 298kB time=00:00:11.60 bitrate= 210.7kbits/s speed= 1x
  frame= 364 fps= 30 q=18.0 size= 299kB time=00:00:12.10 bitrate= 202.4kbits/s speed= 1x
  frame= 379 fps= 30 q=19.0 size= 300kB time=00:00:12.60 bitrate= 195.2kbits/s speed= 1x
  frame= 394 fps= 30 q=18.0 size= 301kB time=00:00:13.10 bitrate= 188.2kbits/s speed= 1x
  frame= 409 fps= 30 q=18.0 size= 302kB time=00:00:13.60 bitrate= 181.9kbits/s speed= 1x
  frame= 424 fps= 30 q=18.0 size= 303kB time=00:00:14.10 bitrate= 176.1kbits/s speed= 1x
  frame= 439 fps= 30 q=18.0 size= 304kB time=00:00:14.60 bitrate= 170.6kbits/s speed=0.999x
  frame= 454 fps= 30 q=18.0 size= 305kB time=00:00:15.10 bitrate= 165.5kbits/s speed=0.999x
  frame= 469 fps= 30 q=18.0 size= 306kB time=00:00:15.60 bitrate= 160.7kbits/s speed=0.998x
  frame= 485 fps= 30 q=18.0 size= 307kB time=00:00:16.13 bitrate= 155.9kbits/s speed= 1x
  frame= 500 fps= 30 q=18.0 size= 308kB time=00:00:16.63 bitrate= 151.8kbits/s speed= 1x
  frame= 515 fps= 30 q=18.0 size= 444kB time=00:00:17.13 bitrate= 212.3kbits/s speed= 1x
  frame= 530 fps= 30 q=18.0 size= 445kB time=00:00:17.63 bitrate= 206.7kbits/s speed= 1x
  frame= 545 fps= 30 q=18.0 size= 446kB time=00:00:18.13 bitrate= 201.5kbits/s speed= 1x
  frame= 560 fps= 30 q=18.0 size= 447kB time=00:00:18.63 bitrate= 196.6kbits/s speed=0.999x
  frame= 575 fps= 30 q=18.0 size= 448kB time=00:00:19.13 bitrate=

• ffmpeg fails to capture desktop when UAC prompt appears

  10 mai 2017, par kristin

  I am trying to stream desktop to .avi file using ffmpeg static version 3.2.4 from https://ffmpeg.zeranoe.com/builds/, but streaming fails when UAC prompt appears.

  Command line that I am trying to use :

   ffmpeg.exe -f gdigrab -analyzeduration 100M -probesize 100M -i desktop -framerate 10 -vcodec libx264 -pix_fmt yuv420p -preset ultrafast -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" -x264opts crf=23 -r 10 ".avi"

  Output that I got :

    ffmpeg version 3.2.4 Copyright (c) 2000-2017 the FFmpeg developers
  
    built with gcc 6.3.0 (GCC)
  
    configuration: --enable-gpl --enable-version3 --enable-d3d11va --enable-dxva2
  
  --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-fontcon
  
  fig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libb
  
  luray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --e
  
  nable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-l
  
  ibopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libope
  
  njpeg --enable-libopus --enable-librtmp --enable-libsnappy --enable-libsoxr --en
  
  able-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enabl
  
  e-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable
  
  -libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --e
  
  nable-libzimg --enable-lzma --enable-zlib
  
    libavutil      55. 34.101 / 55. 34.101
  
    libavcodec     57. 64.101 / 57. 64.101
  
    libavformat    57. 56.101 / 57. 56.101
  
    libavdevice    57.  1.100 / 57.  1.100
  
    libavfilter     6. 65.100 /  6. 65.100
  
    libswscale      4.  2.100 /  4.  2.100
  
    libswresample   2.  3.100 /  2.  3.100
  
    libpostproc    54.  1.100 / 54.  1.100
  
  [gdigrab @ 00000000003684a0] Capturing whole desktop as 1654x927x32 at (0,0)
  
  Input #0, gdigrab, from 'desktop':
  
    Duration: N/A, start: 1494400135.425894, bitrate: 1470470 kb/s
  
      Stream #0:0: Video: bmp, bgra, 1654x927, 1470470 kb/s, 29.97 fps, 1000k tbr,
  
   1000k tbn, 1000k tbc
  
  [libx264 @ 000000000036b3e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
  
  AVX
  
  [libx264 @ 000000000036b3e0] profile Constrained Baseline, level 4.0
  
  Output #0, avi, to 'C:\New folder\test.avi':
  
    Metadata:
  
      ISFT            : Lavf57.56.101
  
      Stream #0:0: Video: h264 (libx264) (H264 / 0x34363248), yuv420p, 1654x926, q
  
  =-1--1, 10 fps, 10 tbn, 10 tbc
  
      Metadata:
  
        encoder         : Lavc57.64.101 libx264
  
      Side data:
  
        cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (bmp (native) -> h264 (libx264))
  
  Press [q] to stop, [?] for help
  
  frame=   12 fps=0.0 q=0.0 size=       6kB time=00:00:00.00 bitrate=N/A dup=0 dro
  
  frame=   18 fps= 17 q=12.0 size=     309kB time=00:00:00.50 bitrate=5067.3kbits/
  
  frame=   23 fps= 15 q=14.0 size=     624kB time=00:00:01.00 bitrate=5113.2kbits/
  
  frame=   29 fps= 12 q=13.0 size=     757kB time=00:00:01.60 bitrate=3877.8kbits/
  
  frame=   35 fps= 12 q=12.0 size=     849kB time=00:00:02.20 bitrate=3161.9kbits/
  
  frame=   40 fps= 12 q=15.0 size=     914kB time=00:00:02.70 bitrate=2771.9kbits/
  
  frame=   44 fps= 11 q=17.0 size=     992kB time=00:00:03.20 bitrate=2538.6kbits/
  
  frame=   49 fps= 11 q=11.0 size=    1069kB time=00:00:03.70 bitrate=2366.7kbits/
  
  frame=   55 fps= 11 q=11.0 size=    1186kB time=00:00:04.40 bitrate=2207.5kbits/
  
  [gdigrab @ 00000000003684a0] Failed to capture image (error 5)
  
  desktop: I/O error
  
  frame=   59 fps= 10 q=10.0 size=    1197kB time=00:00:04.80 bitrate=2043.4kbits/
  
  frame=   59 fps= 10 q=-1.0 Lsize=    1220kB time=00:00:06.10 bitrate=1638.6kbits
  
  /s dup=0 drop=99 speed=1.04x
  
  video:1213kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing
  
  overhead: 0.577492%
  
  [libx264 @ 000000000036b3e0] frame I:1     Avg QP:20.00  size:249076
  
  [libx264 @ 000000000036b3e0] frame P:58    Avg QP:13.95  size: 17124
  
  [libx264 @ 000000000036b3e0] mb I  I16..4: 100.0%  0.0%  0.0%
  
  [libx264 @ 000000000036b3e0] mb P  I16..4:  1.8%  0.0%  0.0%  P16..4: 14.1%  0.0
  
  %  0.0%  0.0%  0.0%    skip:84.2%
  
  [libx264 @ 000000000036b3e0] coded y,uvDC,uvAC intra: 31.5% 13.5% 12.4% inter: 7
  
  .7% 2.1% 1.5%
  
  [libx264 @ 000000000036b3e0] i16 v,h,dc,p: 72% 25%  2%  1%
  
  [libx264 @ 000000000036b3e0] i8c dc,h,v,p: 71% 16% 12%  0%
  
  [libx264 @ 000000000036b3e0] kb/s:1629.20

  In output can see message :

  [gdigrab @ 00000000003684a0] Failed to capture image (error 5)
  
  desktop: I/O error

  this is written to output when UAC prompt appears.

  Am I doing something wrong or missing in command line ?
  Have to stream desktop using ffmpeg and don`t fail when UAC prompt appears ?

• mp3 and multiple image convert to mp4 [on hold]

  16 mai 2017, par Henrik C Wiberg

  I need some guidance to convert an mp3 audio file, along with multiple photos to an mp4 file, using php/laravel.

  It must end with a mp4 file with a slideshow of images along with an audio file.

  How do you recommend me to begin the task ?
  I have this Json :

  {
  
  - data [
  
   {
  
      id: 1,
  
      name: "item 1",
  
      image: "image_1.jpg",
  
      start: "2017-01-01T02:00:00",
  
      end: "2017-01-01T02:30:00"
  
    },
  
    {
  
      id": 2,
  
      name: "item 2",
  
      image: "image_2.jpg",
  
      start: "2017-01-01T02:31:00",
  
      end: "2017-01-01T02:50:00"
  
    },
  
    {
  
      id": 3,
  
      name: "item 3",
  
      image: "image_3.jpg",
  
      start: "2017-01-01T02:51:00",
  
      end: "2017-01-01T03:00:00"
  
    }
  
  ],
  
  - meta {
  
     audiofile: {
  
      mp3: 'example.com/audio/audiofile.mp3',
  
      start: "2017-01-01T02:00:00",
  
      end: "2017-01-01T03:00:00"  
  
   }
  
  }   

  This json must be converted to one mp4 file, where image has to be placed and displayed on a timeline while ’audiofile.mp3’ is playing.

  Or do you know some code samples I can see ? :-)