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• ffmpeg MKV to MP4 format conversion issues

  28 septembre 2019, par Lucas Lecce

  I converted a 3Gb MKV video file to MP4 format using the following ffmpeg command :

  ffmpeg -i input.mkv -c: v libx264 -crf 23 -c: a aac -movflags faststart output.mp4

  ffmpeg -i input.mkv -acodec copy -vcodec copy output.mp4
  
  ffmpeg version N-95111-g87ddf9f1ef Copyright (c) 2000-2019 the FFmpeg developers
  
    built with gcc 9.2.1 (GCC) 20190918
  
    configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
  
    libavutil      56. 35.100 / 56. 35.100
  
    libavcodec     58. 59.100 / 58. 59.100
  
    libavformat    58. 33.100 / 58. 33.100
  
    libavdevice    58.  9.100 / 58.  9.100
  
    libavfilter     7. 59.100 /  7. 59.100
  
    libswscale      5.  6.100 /  5.  6.100
  
    libswresample   3.  6.100 /  3.  6.100
  
    libpostproc    55.  6.100 / 55.  6.100
  
  Input #0, matroska,webm, from 'input.mkv':
  
    Metadata:
  
      title           : claucha75
  
      encoder         : libebml v1.3.5 + libmatroska v1.4.8
  
      creation_time   : 2018-01-23T22:07:33.000000Z
  
    Duration: 01:37:13.89, start: 0.000000, bitrate: 5044 kb/s
  
      Stream #0:0: Video: h264 (High), yuv420p(tv, bt709, progressive), 1920x1080, SAR 1:1 DAR 16:9, 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
  
      Metadata:
  
        title           : claucha75
  
        BPS             : 4146894
  
        BPS-eng         : 4146894
  
        DURATION        : 01:37:12.952000000
  
        DURATION-eng    : 01:37:12.952000000
  
        NUMBER_OF_FRAMES: 139851
  
        NUMBER_OF_FRAMES-eng: 139851
  
        NUMBER_OF_BYTES : 3023579528
  
        NUMBER_OF_BYTES-eng: 3023579528
  
        _STATISTICS_WRITING_APP: mkvmerge v20.0.0 ('I Am The Sun') 64-bit
  
        _STATISTICS_WRITING_APP-eng: mkvmerge v20.0.0 ('I Am The Sun') 64-bit
  
        _STATISTICS_WRITING_DATE_UTC: 2018-01-23 22:07:33
  
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-01-23 22:07:33
  
        _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  
      Stream #0:1(spa): Audio: ac3, 48000 Hz, 5.1(side), fltp, 448 kb/s (default)
  
      Metadata:
  
        title           : Latino
  
        BPS             : 448000
  
        BPS-eng         : 448000
  
        DURATION        : 01:37:13.888000000
  
        DURATION-eng    : 01:37:13.888000000
  
        NUMBER_OF_FRAMES: 182309
  
        NUMBER_OF_FRAMES-eng: 182309
  
        NUMBER_OF_BYTES : 326697728
  
        NUMBER_OF_BYTES-eng: 326697728
  
        _STATISTICS_WRITING_APP: mkvmerge v20.0.0 ('I Am The Sun') 64-bit
  
        _STATISTICS_WRITING_APP-eng: mkvmerge v20.0.0 ('I Am The Sun') 64-bit
  
        _STATISTICS_WRITING_DATE_UTC: 2018-01-23 22:07:33
  
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-01-23 22:07:33
  
        _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  
      Stream #0:2(eng): Audio: ac3, 48000 Hz, 5.1(side), fltp, 448 kb/s
  
      Metadata:
  
        title           : Ingles
  
        BPS             : 448000
  
        BPS-eng         : 448000
  
        DURATION        : 01:37:13.856000000
  
        DURATION-eng    : 01:37:13.856000000
  
        NUMBER_OF_FRAMES: 182308
  
        NUMBER_OF_FRAMES-eng: 182308
  
        NUMBER_OF_BYTES : 326695936
  
        NUMBER_OF_BYTES-eng: 326695936
  
        _STATISTICS_WRITING_APP: mkvmerge v20.0.0 ('I Am The Sun') 64-bit
  
        _STATISTICS_WRITING_APP-eng: mkvmerge v20.0.0 ('I Am The Sun') 64-bit
  
        _STATISTICS_WRITING_DATE_UTC: 2018-01-23 22:07:33
  
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-01-23 22:07:33
  
        _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  
      Stream #0:3(spa): Subtitle: subrip
  
      Metadata:
  
        title           : Sub. Latino
  
        BPS             : 58
  
        BPS-eng         : 58
  
        DURATION        : 01:27:56.723000000
  
        DURATION-eng    : 01:27:56.723000000
  
        NUMBER_OF_FRAMES: 1048
  
        NUMBER_OF_FRAMES-eng: 1048
  
        NUMBER_OF_BYTES : 38641
  
        NUMBER_OF_BYTES-eng: 38641
  
        _STATISTICS_WRITING_APP: mkvmerge v20.0.0 ('I Am The Sun') 64-bit
  
        _STATISTICS_WRITING_APP-eng: mkvmerge v20.0.0 ('I Am The Sun') 64-bit
  
        _STATISTICS_WRITING_DATE_UTC: 2018-01-23 22:07:33
  
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-01-23 22:07:33
  
        _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  
      Stream #0:4(eng): Subtitle: subrip
  
      Metadata:
  
        title           : Sub. Ingles
  
        BPS             : 72
  
        BPS-eng         : 72
  
        DURATION        : 01:32:29.880000000
  
        DURATION-eng    : 01:32:29.880000000
  
        NUMBER_OF_FRAMES: 1820
  
        NUMBER_OF_FRAMES-eng: 1820
  
        NUMBER_OF_BYTES : 50243
  
        NUMBER_OF_BYTES-eng: 50243
  
        _STATISTICS_WRITING_APP: mkvmerge v20.0.0 ('I Am The Sun') 64-bit
  
        _STATISTICS_WRITING_APP-eng: mkvmerge v20.0.0 ('I Am The Sun') 64-bit
  
        _STATISTICS_WRITING_DATE_UTC: 2018-01-23 22:07:33
  
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-01-23 22:07:33
  
        _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  
  File 'output.mp4' already exists. Overwrite ? [y/N] y
  
  [mp4 @ 000002935ee0ff00] track 1: codec frame size is not set
  
  Output #0, mp4, to 'output.mp4':
  
    Metadata:
  
      title           : claucha75
  
      encoder         : Lavf58.33.100
  
      Stream #0:0: Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 23.98 fps, 23.98 tbr, 16k tbn, 1k tbc (default)
  
      Metadata:
  
        title           : claucha75
  
        BPS             : 4146894
  
        BPS-eng         : 4146894
  
        DURATION        : 01:37:12.952000000
  
        DURATION-eng    : 01:37:12.952000000
  
        NUMBER_OF_FRAMES: 139851
  
        NUMBER_OF_FRAMES-eng: 139851
  
        NUMBER_OF_BYTES : 3023579528
  
        NUMBER_OF_BYTES-eng: 3023579528
  
        _STATISTICS_WRITING_APP: mkvmerge v20.0.0 ('I Am The Sun') 64-bit
  
        _STATISTICS_WRITING_APP-eng: mkvmerge v20.0.0 ('I Am The Sun') 64-bit
  
        _STATISTICS_WRITING_DATE_UTC: 2018-01-23 22:07:33
  
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-01-23 22:07:33
  
        _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  
      Stream #0:1(spa): Audio: ac3 (ac-3 / 0x332D6361), 48000 Hz, 5.1(side), fltp, 448 kb/s (default)
  
      Metadata:
  
        title           : Latino
  
        BPS             : 448000
  
        BPS-eng         : 448000
  
        DURATION        : 01:37:13.888000000
  
        DURATION-eng    : 01:37:13.888000000
  
        NUMBER_OF_FRAMES: 182309
  
        NUMBER_OF_FRAMES-eng: 182309
  
        NUMBER_OF_BYTES : 326697728
  
        NUMBER_OF_BYTES-eng: 326697728
  
        _STATISTICS_WRITING_APP: mkvmerge v20.0.0 ('I Am The Sun') 64-bit
  
        _STATISTICS_WRITING_APP-eng: mkvmerge v20.0.0 ('I Am The Sun') 64-bit
  
        _STATISTICS_WRITING_DATE_UTC: 2018-01-23 22:07:33
  
        _STATISTICS_WRITING_DATE_UTC-eng: 2018-01-23 22:07:33
  
        _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (copy)
  
    Stream #0:1 -> #0:1 (copy)
  
  Press [q] to stop, [?] for help
  
  frame=139851 fps=2149 q=-1.0 Lsize= 3275868kB time=01:37:13.85 bitrate=4600.0kbits/s speed=89.7x
  
  video:2952714kB audio:319041kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.125715%

  The command produces a MP4 file. The file takes a long time to open and then it takes several more minutes for a frame to appear. The converted file is also missing audio.

  Does anyone have an idea about the slow loading time and missing audio ?

• Matomo analytics for wordpress

  15 octobre 2019, par Matomo Core Team — Community
  Self-hosting web analytics got a whole lot easier ! Introducing Matomo for WordPress

  Be the first to try it out ! Your feedback is much needed and appreciated

  Get a fully functioning Matomo (which is comparable to Google Analytics) in seconds ! How ? With the new Matomo Analytics for WordPress plugin. 

  Web analytics in WordPress has never been easier to get, or more powerful. Matomo Analytics for WordPress is the one-stop problem solver. It’ll save you time, money and give you the insights to help your website or business succeed. 

  Best of all, we get to further the goal of decentralising the internet. Our hope is for Matomo Analytics for WordPress to spread far and wide. We’re so excited that more and more people can now get their hands on this powerful, free, open-source analytics platform, in a few clicks !

  Download now and check it out !

  Download Matomo for WordPress

  What do you get ?

  • No more signing up to third party analytics service (like Google)
  • No more sending away your valuable data to a third party service (like Google)
  • Easy setup – install with a few clicks, no tracking code installation or developer knowledge needed
  • 100% accurate data – no data sampling and no data limits 
  • Full data ownership – all data is stored on your servers and no one else can see your data
  • Privacy protection / GDPR compliance
  • Ecommerce tracking out-of-the-box (Woocommerce, Easy Digital Downloads, and MemberPress) and we’re keen to add many more over time
  • Powerful features – segmenting, comparing reports, different visualisations, real-time reports, visit logs and visitor profiles, Matomo Tag Manager, dashboards, data export, APIs, and many more
  • Compared to other WordPress solutions we don’t charge you extra for basic features that should work out-of-the-box
  • Just like Matomo On-Premise, Matomo Analytics for WordPress is free

  We need your feedback !

  We all know and love the versatility of WordPress – with over 55,000 plugins and all the different ways of hosting it. However, with this great versatility comes the potential for things to be missed, so we’re keen to hear your feedback.

  • Is our plugin breaking anything on your WordPress, or, not compatible with something ? Please create an issue on our repository.
  • Is something not working ? If so, what ? Please create an issue on our repository.
  • How does running Matomo impact the performance of your WordPress server ? Also, if you have any other feedback for us – whether good or bad – please email us at wordpress@matomo.org. We’d love to hear what you think !
  • Can you perform a security review of the plugin ? Security issues are best reported to security@matomo.org
  • Do you have any questions ? Questions are best asked in our forum

  Thank you ! We really appreciate your help on this ❤️

  How do you get Matomo Analytics for WordPress ?

  Download Matomo for WordPress

  You can then upload it in your WordPress by going to “Plugins => Add New”. During the upload, if you get an error like “Are you sure you want to do this ?”, we recommend you upload the extracted zip file on to your server and into your ‘wp-content/plugins’ folder manually using ftp or ssh. Make sure the plugin name is ‘matomo’.

  All you need is at least WordPress 4.8 and PHP 7.0 or later. MySQL 5.1+ is recommended. 

  The source code is available at : https://github.com/matomo-org/wp-matomo/. 
  

  In perfect harmony : Matomo and WordPress

  

  The idea for this started two years ago when we realised the similarities between the Matomo and WordPress project. 

  Not only from a technological point of view – where both are based on PHP and MySQL and can be extended using plugins – but also from a philosophical, license and values point of view. We both believe in privacy, security, data ownership, openness, transparency, having things working out-of-the-box, simplicity etc. 

  WordPress is currently used on approximately 30% of all websites. Many of them use the self-hosted open-source WordPress version. Giving everyone in this market the opportunity to easily get a powerful web analytics platform for free, means a lot to us. We believe WordPress users get a real choice besides the standard solution of Google Analytics, and it furthers our effort and goal of decentralising the internet. 

  We’re hoping more people will be empowered to protect user privacy, have access to a great free and open-source tool, and keep control of data in their own hands.

  We hope you feel the same. Help us spread the word to your friends and get them in on this awesome new project !

  Share on facebook

  Share on twitter

  Share on linkedin

  FAQs

  Isn’t there already a WP-Matomo plugin for WordPress available ?

  Yes, the existing WP-Matomo (WP-Piwik) plugin is an awesome plugin to connect your existing Matomo On-Premise or Matomo Cloud account with WordPress. The difference is that this new plugin installs Matomo Analytics fully in your WordPress. So you get the convenience of having a powerful analytics platform within your WordPress.

  We highly recommend you install this new plugin if you use WordPress and are not running Matomo yet. 

  If you are already using Matomo on our Cloud or On-Premise, we’d still highly recommend you use WP-Matomo (WP-Piwik). So that you get an easier way of inserting the tracking code into your WordPress site and get insights faster.

  I have a high traffic website, will it be an issue ?

  If you have a lot of traffic, we’d advise you to install Matomo On-Premise separately. There’s no specific traffic threshold we can give you on when it’s better to use Matomo On-Premise. It really depends on your server. 

  We reckon if you have more than 500,000 page views a month, you may want to think about using Matomo On-Premise with WP-Matomo instead, but this is just an estimate. In general, if the load on your server is already quite high, then it might be better to install Matomo on a separate server. See also recommended server sizing for running Matomo.

  How do I report a bug or request a new feature in Matomo for WordPress ?

  Please create an issue, on our repository whenever you find a bug or if you have any suggestion or ideas of improvement. We want to build an outstanding analytics experience for WordPress !

  Have another question you’re dying to ask ? The Matomo for WordPress FAQ page might have the answer you need. 

  Matomo Analytics for WordPress newsletter

  Get ahead of the crowd – signup to our exclusive Matomo for WordPress newsletter to get the latest updates on this exciting new project.

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       this.onSelectCallback(input);<br />
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<br />
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<br />
       if (dropdown.value) {<br />
         field.className = field.className.replace(/ invalid/g, '');<br />
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         if (field.className.indexOf('invalid') === -1) field.className += ' invalid';<br />
         this.isValid = false;<br />
         dropdown.onchange = (function(){ _this.validate(); });<br />
       }<br />
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     input.className   = 'required invalid';<br />
     input.placeholder = input.getAttribute('data-required-field');<br />
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   removeTextFieldError: function(input) {<br />
     input.className   = 'required';<br />
     input.placeholder = '';<br />
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     if (typeof Widget === 'undefined' || !Widget.BasicDropdown) return;<br />
<br />
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         instances  = Widget.BasicDropdown.instances,<br />
         _this = this;<br />
<br />
     for (var i = 0; i &lt; instances.length; ++i) {<br />
       var instance = instances[i];<br />
       if (instance.wrapperEl === dropdownEl) {<br />
         instance.onSelect = function(){ _this.validate() };<br />
       }<br />
     }<br />
   },<br />
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   updateFormAfterValidation: function() {<br />
     this.form.className   = this.setFormClassName();<br />
     this.submit.value     = this.submitButtonText();<br />
     this.submit.disabled  = !this.isValid;<br />
     this.submit.className = this.isValid ? 'submit' : 'disabled';<br />
   },<br />
<br />
   setFormClassName: function() {<br />
     var name = this.form.className;<br />
<br />
     if (this.isValid) {<br />
       return name.replace(/\s?mimi_invalid/, '');<br />
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       if (name.indexOf('mimi_invalid') === -1) {<br />
         return name += ' mimi_invalid';<br />
       } else {<br />
         return name;<br />
       }<br />
     }<br />
   },<br />
<br />
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     var invalidFields = document.querySelectorAll('.invalid'),<br />
         text;<br />
<br />
     if (this.isValid || !invalidFields) {<br />
       text = this.submit.getAttribute('data-default-text');<br />
     } else {<br />
       if (invalidFields.length || invalidFields[0].className.indexOf('checkgroup') === -1) {<br />
         text = this.submit.getAttribute('data-invalid-text');<br />
       } else {<br />
         text = this.submit.getAttribute('data-choose-list');<br />
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     return text;<br />
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<br />
     var _this = this;<br />
     window[this.callbackName] = function(response) {<br />
       delete window[this.callbackName];<br />
       document.body.removeChild(script);<br />
       _this.onSubmitCallback(response);<br />
     };<br />
<br />
     var script = document.createElement('script');<br />
     script.src = this.formUrl('json');<br />
     document.body.appendChild(script);<br />
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<br />
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     if (format === 'json') action += '.json';<br />
     return action + '?callback=' + this.callbackName + '&amp;' + serialize(this.form);<br />
   },<br />
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     this.form.className  += ' mimi_submitting';<br />
     this.submit.value     = this.submit.getAttribute('data-submitting-text');<br />
     this.submit.disabled  = true;<br />
     this.submit.className = 'disabled';<br />
   },<br />
<br />
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     if (response.success) {<br />
       this.onSubmitSuccess(response.result);<br />
     } else {<br />
       top.location.href = this.formUrl('html');<br />
     }<br />
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     if (result.has_redirect) {<br />
       top.location.href = result.redirect;<br />
     } else if(result.single_opt_in || !result.confirmation_html) {<br />
       this.disableForm();<br />
       this.updateSubmitButtonText(this.submit.getAttribute('data-thanks'));<br />
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<br />
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         if (_this.validEmail.test(this.value)) _this.validate();<br />
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         if (this.value.length === 1) _this.validate();<br />
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&lt;/script&gt;

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• Concatenating multiple mp4 files [duplicate]

  18 octobre 2019, par Mr Medusa

  This question already has an answer here :

  • How to concatenate videos in ffmpeg with different attributes ?
    
    1 answer
    

  I’m currently trying to join multiple mp4 video files into one file, and I found the ffmpeg library and looked at a lot of ways on how I should use it.
  Currently I’m using ffmpeg -f concat -safe 0 -i mylist.txt -c copy output.mp4

  This should work, but for some reason it doesn’t. My terminal is filled with this

  (Can’t give anymore output than this)

  [mp4 @ 000002ce260bc180] Non-monotonous DTS in output stream 0:0; previous: 24541175, current: 5482875; changing to 24541176. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 000002ce260bc180] Non-monotonous DTS in output stream 0:0; previous: 24541176, current: 5483397; changing to 24541177. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 000002ce260bc180] Non-monotonous DTS in output stream 0:0; previous: 24541177, current: 5483904; changing to 24541178. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 000002ce260bc180] Non-monotonous DTS in output stream 0:0; previous: 24541178, current: 5484426; changing to 24541179. This may result in incorrect timestamps in the output file.
  
  frame=19167 fps=4682 q=-1.0 Lsize=  249689kB time=00:26:37.73 bitrate=1280.2kbits/s speed= 390x
  
  video:243606kB audio:5584kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.200045%

  Mylist.txt

  file 'ab.mp4'
  
  file 'bb.mp4'
  
  file 'cc.mp4'
  
  file 'dd.mp4'
  
  file 'ee.mp4'
  
  file 'ff.mp4'
  
  file 'gg.mp4'
  
  file 'hh.mp4'
  
  file 'jj.mp4'
  
  file 'kk.mp4'

  Info about each input :

  ffmpeg version git-2019-10-13-4f4334b Copyright (c) 2000-2019 the FFmpeg developers
  
    built with gcc 9.2.1 (GCC) 20191010
  
    configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
  
    libavutil      56. 35.100 / 56. 35.100
  
    libavcodec     58. 59.102 / 58. 59.102
  
    libavformat    58. 33.100 / 58. 33.100
  
    libavdevice    58.  9.100 / 58.  9.100
  
    libavfilter     7. 62.100 /  7. 62.100
  
    libswscale      5.  6.100 /  5.  6.100
  
    libswresample   3.  6.100 /  3.  6.100
  
    libpostproc    55.  6.100 / 55.  6.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'ab.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf57.83.100
  
    Duration: 00:00:26.59, start: 0.000000, bitrate: 4610 kb/s
  
      Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, unknown/bt470bg/unknown), 1280x720, 4466 kb/s, 60.04 fps, 60 tbr, 15360 tbn, 2k tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'bb.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf57.83.100
  
    Duration: 00:00:40.77, start: 0.000000, bitrate: 3384 kb/s
  
      Stream #1:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080, 3251 kb/s, 29.99 fps, 29.97 tbr, 15360 tbn, 2k tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #1:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  Input #2, mov,mp4,m4a,3gp,3g2,mj2, from 'cc.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf57.83.100
  
    Duration: 00:00:06.29, start: 0.000000, bitrate: 8029 kb/s
  
      Stream #2:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, unknown/bt470bg/unknown), 1600x900, 7896 kb/s, 60.16 fps, 60 tbr, 15360 tbn, 2k tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #2:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  Input #3, mov,mp4,m4a,3gp,3g2,mj2, from 'dd.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf57.83.100
  
    Duration: 00:00:50.90, start: 0.000000, bitrate: 7851 kb/s
  
      Stream #3:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuvj420p(pc, unknown/bt709/unknown), 1920x1080, 7708 kb/s, 60.02 fps, 60 tbr, 15360 tbn, 2k tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #3:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  Input #4, mov,mp4,m4a,3gp,3g2,mj2, from 'ee.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf57.83.100
  
    Duration: 00:00:27.10, start: 0.000000, bitrate: 6056 kb/s
  
      Stream #4:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080, 5912 kb/s, 60.03 fps, 60 tbr, 15360 tbn, 2k tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #4:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  Input #5, mov,mp4,m4a,3gp,3g2,mj2, from 'ff.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf57.83.100
  
    Duration: 00:00:31.00, start: 0.000000, bitrate: 6290 kb/s
  
      Stream #5:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080, 6150 kb/s, 60.03 fps, 60 tbr, 15360 tbn, 2k tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #5:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  Input #6, mov,mp4,m4a,3gp,3g2,mj2, from 'gg.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf57.83.100
  
    Duration: 00:01:00.00, start: 0.000000, bitrate: 4531 kb/s
  
      Stream #6:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, unknown/bt470bg/unknown), 1280x720, 4387 kb/s, 60.02 fps, 60 tbr, 15360 tbn, 2k tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #6:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  Input #7, mov,mp4,m4a,3gp,3g2,mj2, from 'hh.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf58.20.100
  
    Duration: 00:00:30.00, start: 0.000000, bitrate: 8186 kb/s
  
      Stream #7:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 1920x1080, 8046 kb/s, 60 fps, 60 tbr, 90k tbn, 120 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #7:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  Input #8, mov,mp4,m4a,3gp,3g2,mj2, from 'jj.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf57.83.100
  
    Duration: 00:00:49.81, start: 0.000000, bitrate: 5579 kb/s
  
      Stream #8:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, unknown/bt470bg/unknown), 1600x900, 5437 kb/s, 60.02 fps, 60 tbr, 15360 tbn, 2k tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #8:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  Input #9, mov,mp4,m4a,3gp,3g2,mj2, from 'kk.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf57.83.100
  
    Duration: 00:00:34.69, start: 0.000000, bitrate: 5223 kb/s
  
      Stream #9:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080, 5088 kb/s, 30.03 fps, 30 tbr, 15360 tbn, 2k tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #9:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  At least one output file must be specified

  I’ve read most of the posts on here about ffmpeg causing this issue for other people, but none of the fixes that are explained have worked for me.
  The video output I get seems fine for the first video, but then once it’s supposed to transition into the other videos it just "freezes" or sets the speed to something like 100x. Output video also ends up being 28 minutes long instead of 2.8 minutes.
  Anyone able to help me ?