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• ffmpeg video conversion from webm to mp4 is adding lag to the video

  21 janvier 2016, par Hemant Kumar

  Hi I am trying to convert video from .webm extension to .mp4 extension and it is adding lags to the video, also not showing me the full video.

  I am using following video conversion command.

  "ffmpeg -i {$input} -strict -2 -vcodec libx264 -preset slow -vb 500k -maxrate 500k -bufsize 1000k -vf 'scale=-1:480 ".fix_video_orientation($input)."' -threads 0 -ab 64k -s {$resolution}  -movflags faststart -metadata:s:v:0 rotate=0 {$output}";

  "fix_video_orientation" function is given below. It rotate the resulting video if video while recording is rotated to certain angle.

  function fix_video_orientation($input){
  
  
  
  $return= ", transpose=1 ";
  
  
  
  $dd= exec("ffprobe -of json -show_streams  {$input}   | grep rotate");
  
  
  
  if(!empty($dd)){
  
  
  
  $dd=explode(":",$dd);
  
  $rotate=str_replace(",","",str_replace('"',"",$dd[1]));
  
  
  
  if($rotate=="90")return $return;
  
  
  
  else if ($rotate=="180") return ", transpose=2,transpose=2 ";
  
  
  
  else if($rotate == "270") return ", transpose=2 ";
  
  }

  Currently above script is supporting "flv","avi","mp4","mkv","mpg","wmv","asf","webm","mov","3gp","3gpp" extensions, also the script is supporting the resulting .mp4 file to play on all browsers and devices.

  For query :

  ffmpeg -i <server path="path">/g9zyy2qg54qp1l5spo2-mergedFile.webm -strict -2 -vcodec libx264 -preset slow -vb 500k -maxrate 500k -bufsize 1000k -vf 'scale=-1:480 ' -threads 0 -ab 64k -s 640x480 -movflags faststart -metadata:s:v:0 rotate=0 <server path="path">/g9zyy2qg54qp1l5spo2-mergedFile5.mp4
  
  </server></server>

  Console output :

  ffmpeg version 2.2.5 Copyright (c) 2000-2014 the FFmpeg developers
  
    built on Aug  1 2014 09:24:02 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
  
    configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libtheora --enable-libx264 --enable-libvpx --enable-libmp3lame
  
    libavutil      52. 66.100 / 52. 66.100
  
    libavcodec     55. 52.102 / 55. 52.102
  
    libavformat    55. 33.100 / 55. 33.100
  
    libavdevice    55. 10.100 / 55. 10.100
  
    libavfilter     4.  2.100 /  4.  2.100
  
    libswscale      2.  5.102 /  2.  5.102
  
    libswresample   0. 18.100 /  0. 18.100
  
    libpostproc    52.  3.100 / 52.  3.100
  
  Input #0, matroska,webm, from '<server path="path">/g9zyy2qg54qp1l5spo2-mergedFile.webm':
  
    Metadata:
  
      encoder         : Lavf55.33.100
  
    Duration: 00:00:13.53, start: 0.000000, bitrate: 387 kb/s
  
      Stream #0:0: Audio: vorbis, 44100 Hz, stereo, fltp
  
      Stream #0:1: Video: vp8, yuv420p, 320x240, SAR 1:1 DAR 4:3, 1k fps, 1k tbr, 1k tbn, 1k tbc (default)
  
  [libx264 @ 0x38fcf40] using SAR=1/1
  
  [libx264 @ 0x38fcf40] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
  
  [libx264 @ 0x38fcf40] profile High, level 5.2
  
  [libx264 @ 0x38fcf40] 264 - core 142 r2453 ea0ca51 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - 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=24 lookahead_threads=3 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=25 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=cbr mbtree=1 bitrate=500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=500 vbv_bufsize=1000 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
  
  Output #0, mp4, to '<server path="path">/g9zyy2qg54qp1l5spo2-mergedFile5.mp4':
  
    Metadata:
  
      encoder         : Lavf55.33.100
  
      Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 500 kb/s, 16k tbn, 1k tbc (default)
  
      Metadata:
  
        rotate          : 0
  
      Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo, fltp, 64 kb/s
  
  Stream mapping:
  
    Stream #0:1 -> #0:0 (vp8 -> libx264)
  
    Stream #0:0 -> #0:1 (vorbis -> aac)
  
  Press [q] to stop, [?] for help
  
  frame=  358 fps=0.0 q=39.0 size=      27kB time=00:00:00.74 bitrate= 295.4kbits/frame=  723 fps=691 q=41.0 size=      57kB time=00:00:01.39 bitrate= 335.1kbits/frame= 1410 fps=706 q=45.0 size=     108kB time=00:00:01.74 bitrate= 509.0kbits/frame= 1777 fps=710 q=45.0 size=     134kB time=00:00:02.13 bitrate= 512.7kbits/frame= 2126 fps=707 q=45.0 size=     164kB time=00:00:02.50 bitrate= 535.0kbits/frame= 2497 fps=710 q=45.0 size=     191kB time=00:00:02.85 bitrate= 547.8kbits/frame= 2869 fps=708 q=45.0 size=     225kB time=00:00:03.20 bitrate= 575.7kbits/frame= 3226 fps=707 q=45.0 size=     250kB time=00:00:03.59 bitrate= 568.2kbits/frame= 3586 fps=709 q=46.0 size=     282kB time=00:00:03.94 bitrate= 585.7kbits/frame= 3956 fps=710 q=45.0 size=     305kB time=00:00:04.59 bitrate= 543.8kbits/frame= 4358 fps=710 q=46.0 size=     340kB time=00:00:04.71 bitrate= 591.1kbits/frame= 4751 fps=712 q=45.0 size=     362kB time=00:00:05.10 bitrate= 581.3kbits/frame= 5133 fps=713 q=45.0 size=     393kB time=00:00:05.50 bitrate= 584.9kbits/frame= 5510 fps=715 q=45.0 size=     416kB time=00:00:05.89 bitrate= 578.5kbits/frame= 5880 fps=715 q=45.0 size=     448kB time=00:00:06.24 bitrate= 587.6kbits/frame= 6250 fps=715 q=45.0 size=     472kB time=00:00:06.64 bitrate= 582.3kbits/frame= 6651 fps=715 q=45.0 size=     501kB time=00:00:06.98 bitrate= 587.1kbits/frame= 7012 fps=713 q=50.0 size=     524kB time=00:00:07.68 bitrate= 559.0kbits/frame= 7396 fps=714 q=45.0 size=     551kB time=00:00:07.75 bitrate= 582.5kbits/frame= 7771 fps=714 q=47.0 size=     575kB time=00:00:08.10 bitrate= 581.1kbits/frame= 8139 fps=714 q=50.0 size=     604kB time=00:00:08.52 bitrate= 580.8kbits/frame= 8509 fps=715 q=46.0 size=     628kB time=00:00:08.87 bitrate= 580.4kbits/frame= 8885 fps=715 q=46.0 size=     655kB time=00:00:09.19 bitrate= 583.1kbits/frame= 9233 fps=714 q=46.0 size=     677kB time=00:00:09.54 bitrate= 581.2kbits/frame= 9603 fps=714 q=46.0 size=     706kB time=00:00:09.96 bitrate= 580.6kbits/frame= 9975 fps=714 q=46.0 size=     728kB time=00:00:10.65 bitrate= 559.8kbits/frame=10376 fps=715 q=46.0 size=     757kB time=00:00:10.75 bitrate= 577.0kbits/frame=10730 fps=714 q=46.0 size=     780kB time=00:00:11.07 bitrate= 577.1kbits/frame=11090 fps=713 q=47.0 size=     808kB time=00:00:11.42 bitrate= 579.7kbits/frame=11447 fps=713 q=46.0 size=     832kB time=00:00:11.79 bitrate= 578.0kbits/frame=11802 fps=712 q=48.0 size=     858kB time=00:00:12.14 bitrate= 578.5kbits/frame=12181 fps=713 q=46.0 size=     880kB time=00:00:12.51 bitrate= 576.3kbits/frame=12563 fps=713 q=46.0 size=     908kB time=00:00:12.95 bitrate= 573.9kbits/frame=13527 fps=715 q=46.0 size=     960kB time=-577014:-32:-22.-77 bitrate=N/A [mp4 @ 0x3912e00] Starting second pass: moving the moov atom to the beginning of the file
  
  frame=13527 fps=713 q=-1.0 Lsize=    1139kB time=00:00:13.52 bitrate= 689.8kbits/s dup=13036 drop=0    
  
  video:863kB audio:107kB subtitle:0 data:0 global headers:0kB muxing overhead 17.479137%
  
  [libx264 @ 0x38fcf40] frame I:55    Avg QP:33.13  size:  6072
  
  [libx264 @ 0x38fcf40] frame P:3409  Avg QP:32.90  size:    95
  
  [libx264 @ 0x38fcf40] frame B:10063 Avg QP:39.74  size:    22
  
  [libx264 @ 0x38fcf40] consecutive B-frames:  0.8%  0.0%  0.0% 99.2%
  
  [libx264 @ 0x38fcf40] mb I  I16..4: 25.7% 69.5%  4.8%
  
  [libx264 @ 0x38fcf40] mb P  I16..4:  0.2%  0.2%  0.0%  P16..4:  1.4%  0.1%  0.4%  0.0%  0.0%    skip:97.7%
  
  [libx264 @ 0x38fcf40] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.3%  0.0%  0.0%  direct: 0.0%  skip:99.7%  L0:41.0% L1:58.9% BI: 0.0%
  
  [libx264 @ 0x38fcf40] 8x8 transform intra:67.9% inter:94.6%
  
  [libx264 @ 0x38fcf40] direct mvs  spatial:86.6% temporal:13.4%
  
  [libx264 @ 0x38fcf40] coded y,uvDC,uvAC intra: 36.1% 36.9% 1.7% inter: 0.1% 0.1% 0.0%
  
  [libx264 @ 0x38fcf40] i16 v,h,dc,p: 32% 27%  9% 31%
  
  [libx264 @ 0x38fcf40] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 13% 18%  7%  7%  8%  8%  9%  8%
  
  [libx264 @ 0x38fcf40] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 16%  7%  7%  9% 10%  9%  7%  8%
  
  [libx264 @ 0x38fcf40] i8c dc,h,v,p: 73% 14%  9%  4%
  
  [libx264 @ 0x38fcf40] Weighted P-Frames: Y:0.6% UV:0.0%
  
  [libx264 @ 0x38fcf40] ref P L0: 77.5% 12.2%  9.1%  0.9%  0.2%  0.0%
  
  [libx264 @ 0x38fcf40] ref B L0: 86.6% 13.2%  0.2%  0.0%
  
  [libx264 @ 0x38fcf40] ref B L1: 89.8% 10.2%
  
  [libx264 @ 0x38fcf40] kb/s:522.05
  
  </server></server>

• ffmpeg generating out of sync audio/video file

  2 mars 2013, par marcelorocks

  I am trying to convert a flv video to mp4 using a264, but the result video has a out of sync audio/video. Audio seems ok but video seems slow and therefore out of sync. I am a newbie on video conversion so any help is appreciated.

  Here is the command I am running :

  /opt/local/bin/ffmpeg -i complaint.flv -f mp4 -vcodec libx264 -acodec aac -copyts -strict experimental -fpre /opt/local/share/ffmpeg/libx264-lossless_slow.ffpreset -ab 44k -threads 0 -crf 23 complaint.mp4

  And the printout :

  Desktop  /opt/local/bin/ffmpeg -i complaint.flv -f mp4 -vcodec libx264 -acodec aac -copyts -strict experimental -fpre /opt/local/share/ffmpeg/libx264-lossless_slow.ffpreset -ab 44k -threads 0 -crf 23 complaint.mp4
  
  ffmpeg version 0.7.8, Copyright (c) 2000-2011 the FFmpeg developers
  
    built on Jan 12 2012 21:12:26 with gcc 4.2.1 (Apple Inc. build 5666) (dot 3)
  
    configuration: --prefix=/opt/local --enable-gpl --enable-postproc --enable-swscale --enable-avfilter --enable-libmp3lame --enable-libvorbis --enable-libtheora --enable-libdirac --enable-libschroedinger --enable-libopenjpeg --enable-libxvid --enable-libx264 --enable-libvpx --enable-libspeex --mandir=/opt/local/share/man --enable-shared --enable-pthreads --cc=/usr/bin/gcc-4.2 --arch=x86_64 --enable-yasm
  
    libavutil    50. 43. 0 / 50. 43. 0
  
    libavcodec   52.123. 0 / 52.123. 0
  
    libavformat  52.111. 0 / 52.111. 0
  
    libavdevice  52.  5. 0 / 52.  5. 0
  
    libavfilter   1. 80. 0 /  1. 80. 0
  
    libswscale    0. 14. 1 /  0. 14. 1
  
    libpostproc  51.  2. 0 / 51.  2. 0
  
  [flv @ 0x7fe57a04ac00] Estimating duration from bitrate, this may be inaccurate
  
  Input #0, flv, from 'complaint.flv':
  
    Metadata:
  
      duration        : 7
  
      creationdate    : Thu Jan 12 23:47:24
  
      description     : Recorded using VideoRecording example.
  
    Duration: 00:00:06.61, start: 0.000000, bitrate: N/A
  
      Stream #0.0: Video: flv, yuv420p, 288x288, 1k tbr, 1k tbn, 1k tbc
  
      Stream #0.1: Audio: nellymoser, 11025 Hz, mono, s16
  
  File 'complaint.mp4' already exists. Overwrite ? [y/N] y
  
  [buffer @ 0x7fe579c32cc0] w:288 h:288 pixfmt:yuv420p tb:1/1000000 sar:0/1 sws_param:
  
  [libx264 @ 0x7fe57a044600] using cpu capabilities: none!
  
  [libx264 @ 0x7fe57a044600] profile High, level 4.2
  
  [libx264 @ 0x7fe57a044600] 264 - core 118 - H.264/MPEG-4 AVC codec - Copyleft 2003-2011 - http://www.videolan.org/x264.html - options: cabac=1 ref=2 deblock=1:0:0 analyse=0x3:0x33 me=umh subme=6 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 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=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.41 aq=1:1.00
  
  Output #0, mp4, to 'complaint.mp4':
  
    Metadata:
  
      duration        : 7
  
      creationdate    : Thu Jan 12 23:47:24
  
      description     : Recorded using VideoRecording example.
  
      encoder         : Lavf52.111.0
  
      Stream #0.0: Video: libx264, yuv420p, 288x288, q=0-69, 200 kb/s, 1k tbn, 1k tbc
  
      Stream #0.1: Audio: aac, 11025 Hz, mono, s16, 44 kb/s
  
  Stream mapping:
  
    Stream #0.0 -> #0.0
  
    Stream #0.1 -> #0.1
  
  Press [q] to stop, [?] for help
  
  frame= 6557 fps=106 q=-1.0 Lsize=     685kB time=00:00:03.62 bitrate=1549.1kbits/s dup=6367 drop=0    
  
  video:615kB audio:17kB global headers:0kB muxing overhead 8.361360%
  
  frame I:27    Avg QP:19.98  size:  8242
  
  [libx264 @ 0x7fe57a044600] frame P:6530  Avg QP:30.71  size:    62
  
  [libx264 @ 0x7fe57a044600] mb I  I16..4: 11.1% 79.3%  9.6%
  
  [libx264 @ 0x7fe57a044600] mb P  I16..4:  0.1%  0.2%  0.0%  P16..4:  1.2%  0.2%  0.3%  0.0%  0.0%    skip:98.0%
  
  [libx264 @ 0x7fe57a044600] 8x8 transform intra:77.8% inter:64.9%
  
  [libx264 @ 0x7fe57a044600] coded y,uvDC,uvAC intra: 75.3% 81.3% 33.3% inter: 0.5% 0.7% 0.1%
  
  [libx264 @ 0x7fe57a044600] i16 v,h,dc,p: 78%  9% 10%  3%
  
  [libx264 @ 0x7fe57a044600] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 35% 11% 32%  3%  4%  5%  2%  5%  4%
  
  [libx264 @ 0x7fe57a044600] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 56%  7%  9%  3%  4%  7%  3%  7%  3%
  
  [libx264 @ 0x7fe57a044600] i8c dc,h,v,p: 45% 15% 34%  6%
  
  [libx264 @ 0x7fe57a044600] Weighted P-Frames: Y:0.0% UV:0.0%
  
  [libx264 @ 0x7fe57a044600] ref P L0: 80.5%  9.5% 10.0%
  
  [libx264 @ 0x7fe57a044600] kb/s:767.20

• FFmpeg - mapping 4 audio channels to 1 audio track

  18 juillet 2016, par Avalon

  I have two QT MOV’s that I want to concatenate using FFmpeg, but I am having trouble understanding how to map the audio channels.

  First MOV has 2 channels, Front Left and Front Right. Second MOV has 4 channels, Front Left, Front Right, Side Left and Side Right.

  How do I create 1 audio track with 4 channels mapped as FL, FR, SL and SR ?

  MediaInfo reports the following (not desired result) :

  Audio #1
  
  ID                                       : 2
  
  Format                                   : AAC
  
  Format/Info                              : Advanced Audio Codec
  
  Format profile                           : LC
  
  Codec ID                                 : 40
  
  Duration                                 : 4mn 35s
  
  Bit rate mode                            : Variable
  
  Bit rate                                 : 126 Kbps
  
  Maximum bit rate                         : 160 Kbps
  
  Channel(s)                               : 2 channels
  
  Channel(s)_Original                      : 4 channels
  
  Channel positions                        : Front: L C R, Side: C
  
  Sampling rate                            : 48.0 KHz
  
  Frame rate                               : 46.875 fps (1024 spf)
  
  Compression mode                         : Lossy
  
  Stream size                              : 4.14 MiB (12%)
  
  Default                                  : Yes
  
  Alternate group                          : 1
  
  
  
  Audio #2
  
  ID                                       : 3
  
  Format                                   : AAC
  
  Format/Info                              : Advanced Audio Codec
  
  Format profile                           : LC
  
  Codec ID                                 : 40
  
  Duration                                 : 4mn 35s
  
  Bit rate mode                            : Variable
  
  Bit rate                                 : 127 Kbps
  
  Maximum bit rate                         : 160 Kbps
  
  Channel(s)                               : 2 channels
  
  Channel(s)_Original                      : 4 channels
  
  Channel positions                        : Front: L C R, Side: C
  
  Sampling rate                            : 48.0 KHz
  
  Frame rate                               : 46.875 fps (1024 spf)
  
  Compression mode                         : Lossy
  
  Stream size                              : 4.18 MiB (12%)
  
  Default                                  : No
  
  Alternate group                          : 1
  
  
  
  Audio #3
  
  ID                                       : 4
  
  Format                                   : AAC
  
  Format/Info                              : Advanced Audio Codec
  
  Format profile                           : LC
  
  Codec ID                                 : 40
  
  Duration                                 : 4mn 35s
  
  Bit rate mode                            : Variable
  
  Bit rate                                 : 110 Kbps
  
  Maximum bit rate                         : 160 Kbps
  
  Channel(s)                               : 2 channels
  
  Channel(s)_Original                      : 4 channels
  
  Channel positions                        : Front: L C R, Side: C
  
  Sampling rate                            : 48.0 KHz
  
  Frame rate                               : 46.875 fps (1024 spf)
  
  Compression mode                         : Lossy
  
  Stream size                              : 3.62 MiB (10%)
  
  Default                                  : No
  
  Alternate group                          : 1
  
  
  
  Audio #4
  
  ID                                       : 5
  
  Format                                   : AAC
  
  Format/Info                              : Advanced Audio Codec
  
  Format profile                           : LC
  
  Codec ID                                 : 40
  
  Duration                                 : 4mn 35s
  
  Bit rate mode                            : Variable
  
  Bit rate                                 : 110 Kbps
  
  Maximum bit rate                         : 160 Kbps
  
  Channel(s)                               : 2 channels
  
  Channel(s)_Original                      : 4 channels
  
  Channel positions                        : Front: L C R, Side: C
  
  Sampling rate                            : 48.0 KHz
  
  Frame rate                               : 46.875 fps (1024 spf)
  
  Compression mode                         : Lossy
  
  Stream size                              : 3.61 MiB (10%)
  
  Default                                  : No
  
  Alternate group                          : 1

  FFmpeg command is as follows :

  `ffmpeg -i "2chan.mov" -i "4chan.mov" -filter_complex "[0:v] [0:a] [1:v] [1:a] concat=n=2:v=1:a=1 [v] [a]; [v]scale=-1:288[v2]; [a]channelsplit=channel_layout=quad(side)[FL][FR][SL][SR]" -map "[v2]" -map "[FL]" -map "[FR]" -map "[SL]" -map "[SR]" -c:v libx264 -pix_fmt yuv420p -b:v 700k -minrate 700k -maxrate 700k -bufsize 700k -r 25 -sc_threshold 25 -keyint_min 25 -g 25 -qmin 3 -qmax 51 -threads 8 -c:a aac -strict -2 -b:a 160k -ar 48000 -async 1 -ac 4 combined.mp4`

  Console output :

    ffmpeg version N-77883-gd7c75a5 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. 25.100 /  6. 25.100
  
        libswscale      4.  0.100 /  4.  0.100
  
        libswresample   2.  0.101 /  2.  0.101
  
        libpostproc    54.  0.100 / 54.  0.100
  
      [mov,mp4,m4a,3gp,3g2,mj2 @ 0000000000575c00] ignoring 'frma' atom of 'mp4a', str
  
  eam format is 'mp4a'
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '2chan.mov':
  
    Metadata:
  
      major_brand     : qt
  
      minor_version   : 537199360
  
      compatible_brands: qt
  
      creation_time   : 2016-01-19 05:48:38
  
    Duration: 00:00:45.00, start: 0.000000, bitrate: 364 kb/s
  
      Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, smpte1
  
  70m/smpte170m/bt709), 768x576, 196 kb/s, SAR 1:1 DAR 4:3, 25 fps, 25 tbr, 25 tbn
  
  , 50 tbc (default)
  
      Metadata:
  
        creation_time   : 2016-01-19 05:48:40
  
        handler_name    : Apple Alias Data Handler
  
        encoder         : H.264
  
        timecode        : 00:00:00:00
  
      Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, flt
  
  p, 159 kb/s (default)
  
      Metadata:
  
        creation_time   : 2016-01-19 05:48:42
  
        handler_name    : Apple Alias Data Handler
  
        timecode        : 00:00:00:00
  
      Stream #0:2(eng): Data: none (tmcd / 0x64636D74) (default)
  
      Metadata:
  
        creation_time   : 2016-01-19 05:49:42
  
        handler_name    : Apple Alias Data Handler
  
        timecode        : 00:00:00:00
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005da420] ignoring 'frma' atom of 'mp4a', str
  
  eam format is 'mp4a'
  
  Input #1, mov,mp4,m4a,3gp,3g2,mj2, from '4chan.mov':
  
    Metadata:
  
      major_brand     : qt
  
      minor_version   : 537199360
  
      compatible_brands: qt
  
      creation_time   : 2016-01-19 04:11:52
  
    Duration: 00:19:58.00, start: 0.000000, bitrate: 5118 kb/s
  
      Stream #1:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, smpte1
  
  70m/smpte170m/bt709), 768x576, 4955 kb/s, 25 fps, 25 tbr, 25k tbn, 50k tbc (defa
  
  ult)
  
      Metadata:
  
        creation_time   : 2016-01-19 04:11:52
  
        handler_name    : Apple Alias Data Handler
  
        encoder         : H.264
  
        timecode        : 00:28:33:21
  
      Stream #1:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, quad, fltp,
  
   157 kb/s (default)
  
      Metadata:
  
        creation_time   : 2016-01-19 04:11:52
  
        handler_name    : Apple Alias Data Handler
  
      Stream #1:2(eng): Data: none (tmcd / 0x64636D74), 0 kb/s
  
      Metadata:
  
        rotate          : 0
  
        creation_time   : 2016-01-19 04:11:52
  
        handler_name    : Apple Alias Data Handler
  
        timecode        : 00:28:33:21
  
  File 'Output_Complex_6.mp4' already exists. Overwrite ? [y/N] y
  
  -async is forwarded to lavfi similarly to -af aresample=async=1:min_hard_comp=0.
  
  100000:first_pts=0.
  
      Last message repeated 1 times
  
  [libx264 @ 000000000057d260] using SAR=1/1
  
  [libx264 @ 000000000057d260] using cpu capabilities: MMX2 SSE2Fast SSSE3 Cache64
  
   SlowShuffle
  
  [libx264 @ 000000000057d260] profile High, level 2.1
  
  [libx264 @ 000000000057d260] 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=8 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=25 keyint_min=13
  
   scenecut=25 intra_refresh=0 rc_lookahead=25 rc=cbr mbtree=1 bitrate=700 ratetol
  
  =1.0 qcomp=0.60 qpmin=3 qpmax=51 qpstep=4 vbv_maxrate=700 vbv_bufsize=700 nal_hr
  
  d=none filler=0 ip_ratio=1.40 aq=1:1.00
  
  Output #0, mp4, to 'Output_Complex_6.mp4':
  
    Metadata:
  
      major_brand     : qt
  
      minor_version   : 537199360
  
      compatible_brands: qt
  
      title           : TestTitle
  
      encoder         : Lavf57.21.101
  
      Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 384x28
  
  8 [SAR 1:1 DAR 4:3], q=3-51, 700 kb/s, 25 fps, 12800 tbn, 25 tbc (default)
  
      Metadata:
  
        encoder         : Lavc57.22.100 libx264
  
      Side data:
  
        unknown side data type 10 (24 bytes)
  
      Stream #0:1: Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz, 4.0, fltp,
  
  160 kb/s
  
      Metadata:
  
        encoder         : Lavc57.22.100 aac
  
      Stream #0:2: Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz, 4.0, fltp,
  
  160 kb/s
  
      Metadata:
  
        encoder         : Lavc57.22.100 aac
  
      Stream #0:3: Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz, 4.0, fltp,
  
  160 kb/s
  
      Metadata:
  
        encoder         : Lavc57.22.100 aac
  
      Stream #0:4: Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz, 4.0, fltp,
  
  160 kb/s
  
      Metadata:
  
        encoder         : Lavc57.22.100 aac
  
  Stream mapping:
  
    Stream #0:0 (h264) -> concat:in0:v0
  
    Stream #0:1 (aac) -> concat:in0:a0
  
    Stream #1:0 (h264) -> concat:in1:v0
  
    Stream #1:1 (aac) -> concat:in1:a0
  
    scale -> Stream #0:0 (libx264)
  
    channelsplit:FL -> Stream #0:1 (aac)
  
    channelsplit:FR -> Stream #0:2 (aac)
  
    channelsplit:SL -> Stream #0:3 (aac)
  
    channelsplit:SR -> Stream #0:4 (aac)
  
  Press [q] to stop, [?] for help
  
  frame=   85 fps=0.0 q=3.0 size=       6kB time=00:00:02.68 bitrate=  18.8kbits/s
  
  frame=  150 fps=148 q=3.0 size=      14kB time=00:00:05.24 bitrate=  21.3kbits/s
  
  frame=  198 fps=130 q=3.0 size=      65kB time=00:00:07.21 bitrate=  74.4kbits/s
  
  frame=  238 fps=118 q=3.0 size=     125kB time=00:00:08.78 bitrate= 116.2kbits/s
  
  frame=  271 fps=108 q=3.0 size=     171kB time=00:00:10.09 bitrate= 138.9kbits/s
  
  frame=  304 fps=100 q=3.0 size=     218kB time=00:00:11.45 bitrate= 156.0kbits/s
  
  frame=  339 fps= 96 q=3.0 size=     268kB time=00:00:12.84 bitrate= 171.0kbits/s
  
  frame=  372 fps= 93 q=-1.0 Lsize=     376kB time=00:00:14.80 bitrate= 208.0kbits
  
  /s speed=3.69x
  
  video:27kB audio:319kB subtitle:0kB other streams:0kB global headers:0kB muxing
  
  overhead: 8.551113%
  
  [libx264 @ 000000000057d260] frame I:15    Avg QP: 3.01  size:  1370
  
  [libx264 @ 000000000057d260] frame P:90    Avg QP: 3.00  size:    24
  
  [libx264 @ 000000000057d260] frame B:267   Avg QP: 3.00  size:    17
  
  [libx264 @ 000000000057d260] consecutive B-frames:  4.3%  0.0%  0.0% 95.7%
  
  [libx264 @ 000000000057d260] mb I  I16..4: 95.8%  0.0%  4.2%
  
  [libx264 @ 000000000057d260] mb P  I16..4:  0.0%  0.0%  0.0%  P16..4:  0.1%  0.0
  
  %  0.0%  0.0%  0.0%    skip:99.9%
  
  [libx264 @ 000000000057d260] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.0%  0.0
  
  %  0.0%  direct: 0.0%  skip:100.0%  L0: 0.0% L1:100.0% BI: 0.0%
  
  [libx264 @ 000000000057d260] 8x8 transform intra:0.0% inter:50.0%
  
  [libx264 @ 000000000057d260] coded y,uvDC,uvAC intra: 3.1% 8.8% 8.2% inter: 0.0%
  
   0.0% 0.0%
  
  [libx264 @ 000000000057d260] i16 v,h,dc,p: 90%  5%  5%  0%
  
  [libx264 @ 000000000057d260] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 46% 29% 23%  0%  0%
  
   0%  0%  0%  0%
  
  [libx264 @ 000000000057d260] i8c dc,h,v,p: 76%  7% 17%  0%
  
  [libx264 @ 000000000057d260] Weighted P-Frames: Y:0.0% UV:0.0%
  
  [libx264 @ 000000000057d260] kb/s:14.64
  
  [aac @ 0000000000578320] Qavg: 65394.652
  
  [aac @ 0000000000593020] Qavg: 65473.359
  
  [aac @ 0000000000593940] Qavg: 65536.000
  
  [aac @ 0000000000594260] Qavg: 65536.000
  
  Exiting normally, received signal 2.
  
  Terminate batch job (Y/N)? Y