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• parser not found for codec wmav2

  5 décembre 2011, par HashCoder

  I am getting a warning when I run the below command.

  Warning : [asf @ 01C787A0] parser not found for codec wmav2, packets or times may be inval
  id.

  I am using the latest ffmpeg.exe, did I miss any parameters. Any suggestions please.

  ffmpeg -i Assets\Logitech_webcam_on_PC.wmv -sameq -f swf -y -an -s 640x360 MySlide.swf
  
  ffmpeg version N-35295-gb55dd10, Copyright (c) 2000-2011 the FFmpeg developers
  
    built on Nov 30 2011 00:52:52 with gcc 4.6.2
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-ru
  
  ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libope
  
  ncore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --en
  
  able-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger -
  
  -enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwben
  
  c --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-
  
  libxvid --enable-zlib
  
    libavutil    51. 29. 1 / 51. 29. 1
  
    libavcodec   53. 39. 1 / 53. 39. 1
  
    libavformat  53. 22. 0 / 53. 22. 0
  
    libavdevice  53.  4. 0 / 53.  4. 0
  
    libavfilter   2. 50. 0 /  2. 50. 0
  
    libswscale    2.  1. 0 /  2.  1. 0
  
    libpostproc  51.  2. 0 / 51.  2. 0
  
  [asf @ 01C787A0] parser not found for codec wmav2, packets or times may be inval
  
  id.
  
  
  
  Seems stream 1 codec frame rate differs from container frame rate: 1000.00 (1000
  
  /1) -> 0.08 (1/12)
  
  Input #0, asf, from 'Assets\Logitech_webcam_on_PC.wmv':
  
    Metadata:
  
      WMFSDKVersion   : 11.0.5721.5265
  
      WMFSDKNeeded    : 0.0.0.0000
  
      IsVBR           : 1
  
      VBR Peak        : 50500.0000
  
      Buffer Average  : 66550.0000
  
    Duration: 00:00:36.22, start: 0.000000, bitrate: 497 kb/s
  
      Stream #0:0(eng): Audio: wmav2 (a[1][0][0] / 0x0161), 32000 Hz, 1 channels,
  
  s16, 20 kb/s
  
      Stream #0:1(eng): Video: wmv2 (WMV2 / 0x32564D57), yuv420p, 320x180, 422 kb/
  
  s, 0.08 tbr, 1k tbn, 1k tbc
  
  [buffer @ 02AA9760] w:320 h:180 pixfmt:yuv420p tb:1/1000000 sar:0/1 sws_param:
  
  [scale @ 02AA9A80] w:320 h:180 fmt:yuv420p -> w:640 h:360 fmt:yuv420p flags:0x4
  
  Output #0, swf, to 'MySlide.swf':
  
    Metadata:
  
      WMFSDKVersion   : 11.0.5721.5265
  
      WMFSDKNeeded    : 0.0.0.0000
  
      IsVBR           : 1
  
      VBR Peak        : 50500.0000
  
      Buffer Average  : 66550.0000
  
      encoder         : Lavf53.22.0
  
      Stream #0:0(eng): Video: flv1, yuv420p, 640x360, q=2-31, 200 kb/s, 90k tbn,
  
  0.08 tbc
  
  Stream mapping:
  
    Stream #0:1 -> #0:0 (wmv2 -> flv)
  
  Press [q] to stop, [?] for help
  
  frame=    4 fps=  0 q=0.0 size=      97kB time=00:00:48.00 bitrate=  16.6kbits/s
  
  frame=    5 fps=  0 q=0.0 Lsize=     111kB time=00:01:00.00 bitrate=  15.2kbits/
  
  s dup=0 drop=599
  
  video:111kB audio:0kB global headers:0kB muxing overhead 0.128646%

• How to embed subtitles to .mp4 movie using ffmpeg

  25 novembre 2016, par hudac

  I’m trying to embed subtitles I wrote to a movie I created.
  I’m using FFmpeg version : ffmpeg-20150418-git-edbb9b5-win64-static with the command :
  ffmpeg -i in.mp4 -f srt -i subs.srt -c:v copy -c:a copy -c:s mov_text out.mp4 I saw here.

  But I get errors during the process, and when the process is done there’s an output file out.mp4 without subtitles embedded.
  When I play the in.mp4 in some player such as media player classic with the subtitles separately, the subtitles are sync and everything is fine.

  The subtitles are subrip encoded in UTF8.

  I tried to look out for these errors but didn’t find anything useful. it seems something ridiculous.
  What am I doing wrong ?

  Errors such as :

  [mp4 @ 00000000003fe020] Codec for stream 0 does not use global headers but container format requires global headers
  
  [mp4 @ 00000000003fe020] Codec for stream 1 does not use global headers but container format requires global headers
  
  [mp4 @ 00000000003fe020] Application provided duration: -8 / timestamp: 72205 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value

  Movie details from Media info :

  Video  
  
  ID: 1  
  
  Format: AVC  
  
  Format/Info: Advanced Video Codec  
  
  Format profile: Main@L4.2  
  
  Format settings, CABAC: Yes  
  
  Format settings, ReFrames: 3 frames  
  
  Format settings, GOP: M=4, N=24  
  
  Codec ID: avc1  
  
  Codec ID/Info: Advanced Video Coding  
  
  Duration: 8mn 32s  
  
  Source duration: 8mn 32s  
  
  Bit rate: 23.4 Mbps  
  
  Width: 1920 pixels  
  
  Height: 1080 pixels  
  
  Display aspect ratio: 16:9  
  
  Original display aspect ratio: 2.2:1  
  
  Frame rate mode: Variable  
  
  Frame rate: 23.976 fps  
  
  Minimum frame rate: 23.976 fps  
  
  Maximum frame rate: 24.000 fps  
  
  Standard: NTSC  
  
  Color space: YUV  
  
  Chroma subsampling: 4:2:0  
  
  Bit depth: 8 bits  
  
  Scan type: Progressive  
  
  Bits/(Pixel*Frame): 0.472  
  
  Stream size: 1.40 GiB (99%)  
  
  Source stream size: 1.40 GiB (99%)  
  
  Language: English  
  
  Encoded date: UTC 2015-04-28 20:31:41  
  
  Tagged date: UTC 2015-04-28 20:31:41  
  
  mdhd_Duration: 512137  

  Ffmpeg command output :

  ffmpeg version N-71497-gedbb9b5 Copyright (c) 2000-2015 the FFmpeg developers
  
    built with gcc 4.9.2 (GCC)
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --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 --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --en
  
  able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc
  
   --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --ena
  
  ble-decklink --enable-zlib
  
    libavutil      54. 22.101 / 54. 22.101
  
    libavcodec     56. 34.100 / 56. 34.100
  
    libavformat    56. 30.100 / 56. 30.100
  
    libavdevice    56.  4.100 / 56.  4.100
  
    libavfilter     5. 14.100 /  5. 14.100
  
    libswscale      3.  1.101 /  3.  1.101
  
    libswresample   1.  1.100 /  1.  1.100
  
    libpostproc    53.  3.100 / 53.  3.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: mp42mp41
  
      creation_time   : 2015-04-28 20:31:41
  
    Duration: 00:08:32.17, start: 0.000000, bitrate: 23640 kb/s
  
      Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv), 1920x1080 [SAR 40:33 DAR 640:297], 23444 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 t
  
  bc (default)
  
      Metadata:
  
        creation_time   : 2015-04-28 20:31:41
  
        handler_name    : ?Mainconcept Video Media Handler
  
        encoder         : AVC Coding
  
      Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 189 kb/s (default)
  
      Metadata:
  
        creation_time   : 2015-04-28 20:31:41
  
        handler_name    : #Mainconcept MP4 Sound Media Handler
  
  Input #1, srt, from 'subs.srt':
  
    Duration: N/A, bitrate: N/A
  
      Stream #1:0: Subtitle: subrip
  
  [mp4 @ 00000000003fe020] Codec for stream 0 does not use global headers but container format requires global headers
  
  [mp4 @ 00000000003fe020] Codec for stream 1 does not use global headers but container format requires global headers
  
  Output #0, mp4, to 'out.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: mp42mp41
  
      encoder         : Lavf56.30.100
  
      Stream #0:0(eng): Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 1920x1080 [SAR 40:33 DAR 640:297], q=2-31, 23444 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 24k t
  
  bc (default)
  
      Metadata:
  
        creation_time   : 2015-04-28 20:31:41
  
        handler_name    : ?Mainconcept Video Media Handler
  
        encoder         : AVC Coding
  
      Stream #0:1(eng): Audio: aac ([64][0][0][0] / 0x0040), 48000 Hz, stereo, 189 kb/s (default)
  
      Metadata:
  
        creation_time   : 2015-04-28 20:31:41
  
        handler_name    : #Mainconcept MP4 Sound Media Handler
  
      Stream #0:2: Subtitle: mov_text ([8][0][0][0] / 0x0008)
  
      Metadata:
  
        encoder         : Lavc56.34.100 mov_text
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (copy)
  
    Stream #0:1 -> #0:1 (copy)
  
    Stream #1:0 -> #0:2 (subrip (srt) -> mov_text (native))
  
  Press [q] to stop, [?] for help
  
  [mp4 @ 00000000003fe020] Application provided duration: -8 / timestamp: 72205 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -7 / timestamp: 74217 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -8 / timestamp: 76267 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -4 / timestamp: 77872 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -7 / timestamp: 79260 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -1 / timestamp: 88987 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -60 / timestamp: 91489 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -4 / timestamp: 108080 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -1 / timestamp: 112974 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -8 / timestamp: 115528 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -9 / timestamp: 122758 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 124862 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -12 / timestamp: 130307 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -140 / timestamp: 150079 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -144 / timestamp: 156606 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -245 / timestamp: 158916 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 231587 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -1 / timestamp: 234743 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -9 / timestamp: 239406 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 242670 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -4 / timestamp: 249833 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -9 / timestamp: 252669 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 257713 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -2 / timestamp: 272866 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -152 / timestamp: 276417 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -3 / timestamp: 290209 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 302825 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 305466 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -3 / timestamp: 314151 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -8 / timestamp: 315957 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -1 / timestamp: 322568 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -164 / timestamp: 333373 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -3 / timestamp: 379341 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -5 / timestamp: 385070 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -7 / timestamp: 396166 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -7 / timestamp: 402007 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -4 / timestamp: 404571 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -2 / timestamp: 418218 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -5 / timestamp: 428136 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -5 / timestamp: 433347 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -4 / timestamp: 438939 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -7 / timestamp: 445657 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 449039 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -6 / timestamp: 451870 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  [mp4 @ 00000000003fe020] Application provided duration: -5 / timestamp: 456582 is out of range for mov/mp4 format
  
  [mp4 @ 00000000003fe020] pts has no value
  
  frame=12279 fps=138 q=-1.0 Lsize= 1477815kB time=00:08:32.16 bitrate=23637.2kbits/s
  
  video:1465658kB audio:11840kB subtitle:8kB other streams:0kB global headers:0kB muxing overhead: 0.020907%

• Non-monotonous DTS in output for audio stream using ffmpeg concat

  24 mai 2015, par Apollo Marquis

  This was asked in FFMPEG - Non-Monotonous DTS on concat. But the poster simply opted for MP4Box after getting no reply. However, I would like to stick with ffmpeg which I think is quicker.

  I am concatenating files from a text file list of mp4 files that have been encoded at the same time using the same codecs so there should be no incompatibility between the files.

  I am not even sure what Non-monotonous DTS is (anyone ?) but I am worried it may produce some glitches in the concatenated files. They seem ok but there is some evidence of artefacts in the sound. Can I tweak my command line to get rid of this error, and will it speed up the concatenation process ?
  I am using Python subprocess call and the file passed into this function is the list of files. The function decorator is just a timer function for profiling.
  I have tried this with my system ffmpeg not just the static build, and it has the same problem.

  @fn_timer
  
  def concat(file):
  
      proc = call(['/opt/jane_ng/jane_nodejs/ffmpeg-git-20150308-64bit-static/ffmpeg', '-f', 'concat', '-i', file, '-c', 'copy', '-y', 'testConcat.mp4'])

  When I run this, I get the following output :

  ffmpeg version N-45007-g9d7e42e-   http://johnvansickle.com/ffmpeg/    Copyright (c) 2000-2015 the FFmpeg developers
  
    built with gcc 4.9.2 (Debian 4.9.2-10)
  
    configuration: --enable-gpl --enable-version3 --disable-shared --disable-debug --enable-runtime-cpudetect --enable-libmp3lame --enable-libx264 --enable-libx265 --enable-libwebp --enable-libspeex --enable-libvorbis --enable-libvpx --enable-libfreetype --enable-fontconfig --enable-libxvid --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-gray --enable-libopenjpeg --enable-libopus --enable-libass --enable-gnutls --enable-libvidstab --cc=gcc-4.9
  
    libavutil      54. 20.100 / 54. 20.100
  
    libavcodec     56. 26.100 / 56. 26.100
  
    libavformat    56. 25.101 / 56. 25.101
  
    libavdevice    56.  4.100 / 56.  4.100
  
    libavfilter     5. 12.100 /  5. 12.100
  
    libswscale      3.  1.101 /  3.  1.101
  
    libswresample   1.  1.100 /  1.  1.100
  
    libpostproc    53.  3.100 / 53.  3.100
  
  [concat @ 0x31bdd80] Could not find codec parameters for stream 2 (Unknown: none): unknown codec
  
  Consider increasing the value for the 'analyzeduration' and 'probesize' options
  
  Input #0, concat, from '/opt/combinatoria/generator/concatFiles/concat.txt':
  
    Duration: N/A, start: 0.000000, bitrate: 1625 kb/s
  
      Stream #0:0: Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv), 960x540 [SAR 1:1 DAR 16:9], 1561 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
  
      Stream #0:1: Audio: aac (HE-AAC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 64 kb/s
  
      Stream #0:2: Unknown: none
  
  Output #0, mp4, to 'testConcat.mp4':
  
    Metadata:
  
      encoder         : Lavf56.25.101
  
      Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 960x540 [SAR 1:1 DAR 16:9], q=2-31, 1561 kb/s, 25 fps, 25 tbr, 90k tbn, 90k tbc
  
      Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo, 64 kb/s
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (copy)
  
    Stream #0:1 -> #0:1 (copy)
  
  Press [q] to stop, [?] for help
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 253952, current: 250488; changing to 253953. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 253953, current: 252536; changing to 253954. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 754296, current: 751464; changing to 754297. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 754297, current: 753512; changing to 754298. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 974696, current: 971964; changing to 974697. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 974697, current: 974012; changing to 974698. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 1340604, current: 1337112; changing to 1340605. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 1340605, current: 1339160; changing to 1340606. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 1746712, current: 1742832; changing to 1746713. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 1746713, current: 1744880; changing to 1746714. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 2119664, current: 2116800; changing to 2119665. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 2119665, current: 2118848; changing to 2119666. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 2274496, current: 2272032; changing to 2274497. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 2274497, current: 2274080; changing to 2274498. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 2685728, current: 2683044; changing to 2685729. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 2685729, current: 2685092; changing to 2685730. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 2850980, current: 2847096; changing to 2850981. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 2850981, current: 2849144; changing to 2850982. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 3033464, current: 3030552; changing to 3033465. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 3033465, current: 3032600; changing to 3033466. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 3384856, current: 3381588; changing to 3384857. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 3384857, current: 3383636; changing to 3384858. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 3760468, current: 3757320; changing to 3760469. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 3760469, current: 3759368; changing to 3760470. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 3990792, current: 3988404; changing to 3990793. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 3990793, current: 3990452; changing to 3990794. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 4295604, current: 4291812; changing to 4295605. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 4295605, current: 4293860; changing to 4295606. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 4750564, current: 4746924; changing to 4750565. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 4750565, current: 4748972; changing to 4750566. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 5025452, current: 5022108; changing to 5025453. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 5025453, current: 5024156; changing to 5025454. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 5271964, current: 5269068; changing to 5271965. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 5271965, current: 5271116; changing to 5271966. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 5707340, current: 5704776; changing to 5707341. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 5707341, current: 5706824; changing to 5707342. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 6003784, current: 6001128; changing to 6003785. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 6003785, current: 6003176; changing to 6003786. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 6371816, current: 6368040; changing to 6371817. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 6371817, current: 6370088; changing to 6371818. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 6875944, current: 6872544; changing to 6875945. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 6875945, current: 6874592; changing to 6875946. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 7042528, current: 7040124; changing to 7042529. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 7042529, current: 7042172; changing to 7042530. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 7314556, current: 7311780; changing to 7314557. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 7314557, current: 7313828; changing to 7314558. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 7541156, current: 7537572; changing to 7541157. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 7541157, current: 7539620; changing to 7541158. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 7795620, current: 7791588; changing to 7795621. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 7795621, current: 7793636; changing to 7795622. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 8063972, current: 8059716; changing to 8063973. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 8063973, current: 8061764; changing to 8063974. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 8063974, current: 8063812; changing to 8063975. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 8350532, current: 8347248; changing to 8350533. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 8350533, current: 8349296; changing to 8350534. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 8656496, current: 8652420; changing to 8656497. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 8656497, current: 8654468; changing to 8656498. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 8902276, current: 8899380; changing to 8902277. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 8902277, current: 8901428; changing to 8902278. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 9159476, current: 9156924; changing to 9159477. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 9159477, current: 9158972; changing to 9159478. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 9468220, current: 9465624; changing to 9468221. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 9468221, current: 9467672; changing to 9468222. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 9748248, current: 9744336; changing to 9748249. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x3255080] Non-monotonous DTS in output stream 0:1; previous: 9748249, current: 9746384; changing to 9748250. This may result in incorrect timestamps in the output file.
  
  frame= 5637 fps=0.0 q=-1.0 Lsize=   45617kB time=00:03:45.60 bitrate=1656.4kbits/s    
  
  video:43701kB audio:1792kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.272048%
  
  Total time running concat: 0.451297044754 seconds

  This process is absolutely key to my current project so any help or clarification would be really appreciated.