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  • FFMPEG Concat DNxHD-Files : wrong duration of output-file

    4 mai 2020, par Thomas

    I have AVID-DNxHD-files created by Ikegami EditCamHD and FFMPEG-coded DNxHD-Files.

    



    Ikegami-Files are 1080/25psF at 185MBit/sec (10Bit). FFMPEG-Files are crated with this command :

    



    ffmpeg -loop 1 -i c:\pics\VideoNichtVorhanden.jpg -s 1920x1080 -r 25 -t 92.8 -c:v dnxhd -b:v 185M -pix_fmt yuv422p10le d:\MissingFiles\missing_0001.mov


    



    ffprobe from Ikegami-file :

    



    {
  "streams": [
    {
      "index": 0,
      "codec_name": "dnxhd",
      "codec_long_name": "VC3\/DNxHD",
      "profile": "DNXHD",
      "codec_type": "video",
      "codec_time_base": "1\/25",
      "codec_tag_string": "[0][0][0][0]",
      "codec_tag": "0x0000",
      "width": 1920,
      "height": 1080,
      "coded_width": 1920,
      "coded_height": 1088,
      "has_b_frames": 0,
      "sample_aspect_ratio": "1:1",
      "display_aspect_ratio": "16:9",
      "pix_fmt": "yuv422p10le",
      "level": -99,
      "color_space": "bt709",
      "field_order": "tt",
      "refs": 1,
      "r_frame_rate": "25\/1",
      "avg_frame_rate": "25\/1",
      "time_base": "1\/25",
      "start_pts": 0,
      "start_time": "0.000000",
      "duration_ts": 827,
      "duration": "33.080000",
      "bits_per_raw_sample": "10",
      "disposition": {
        "default": 0,
        "dub": 0,
        "original": 0,
        "comment": 0,
        "lyrics": 0,
        "karaoke": 0,
        "forced": 0,
        "hearing_impaired": 0,
        "visual_impaired": 0,
        "clean_effects": 0,
        "attached_pic": 0,
        "timed_thumbnails": 0
      },
      "tags": {
        "file_package_umid": "0x060A2B340101010101010F0013000000D6F21F070302074C060E2B347F7F2A80",
        "file_package_name": "File Package",
        "track_name": "V1"
      }
    },
    {
      "index": 1,
      "codec_type": "data",
      "codec_tag_string": "[0][0][0][0]",
      "codec_tag": "0x0000",
      "r_frame_rate": "0\/0",
      "avg_frame_rate": "0\/0",
      "time_base": "1\/90000",
      "start_pts": 0,
      "start_time": "0.000000",
      "duration_ts": 2977200,
      "duration": "33.080000",
      "disposition": {
        "default": 0,
        "dub": 0,
        "original": 0,
        "comment": 0,
        "lyrics": 0,
        "karaoke": 0,
        "forced": 0,
        "hearing_impaired": 0,
        "visual_impaired": 0,
        "clean_effects": 0,
        "attached_pic": 0,
        "timed_thumbnails": 0
      },
      "tags": {
        "file_package_umid": "0x060A2B34010101010101080013000000D6F21F070276074C060E2B347F7F2A80",
        "track_name": "A1",
        "data_type": "audio"
      }
    },
    {
      "index": 2,
      "codec_type": "data",
      "codec_tag_string": "[0][0][0][0]",
      "codec_tag": "0x0000",
      "r_frame_rate": "0\/0",
      "avg_frame_rate": "0\/0",
      "time_base": "1\/90000",
      "start_pts": 0,
      "start_time": "0.000000",
      "duration_ts": 2977200,
      "duration": "33.080000",
      "disposition": {
        "default": 0,
        "dub": 0,
        "original": 0,
        "comment": 0,
        "lyrics": 0,
        "karaoke": 0,
        "forced": 0,
        "hearing_impaired": 0,
        "visual_impaired": 0,
        "clean_effects": 0,
        "attached_pic": 0,
        "timed_thumbnails": 0
      },
      "tags": {
        "file_package_umid": "0x060A2B34010101010101080013000000D6F21F07028A074C060E2B347F7F2A80",
        "track_name": "A2",
        "data_type": "audio"
      }
    }
  ],
  "format": {
    "filename": "G:\\MXF-sortiert\\Ikegami\\2018-04-10\\V\\MULTI_NN17GN0V\\NN17GN0V.0001.MXF",
    "nb_streams": 3,
    "nb_programs": 0,
    "format_name": "mxf",
    "format_long_name": "MXF (Material eXchange Format)",
    "start_time": "0.000000",
    "duration": "33.080000",
    "size": "761004264",
    "bit_rate": "184039725",
    "probe_score": 100,
    "tags": {
      "operational_pattern_ul": "060e2b34.04010102.0d010201.10030000",
      "uid": "caf0bf8e-ff07-b34d-9616-bc3e7bd32d54",
      "generation_uid": "fb90769f-a46d-d546-983d-dda63339a8fd",
      "company_name": "Ikegami",
      "product_name": "HDN-X10",
      "product_version": "1.30d",
      "product_uid": "3e2189d7-294b-4612-8243-1b1990e14055",
      "modification_date": "2018-04-10T05:57:59.788000Z",
      "material_package_umid": "0x060A2B340101010101010F0013000000D6F21F070262074C060E2B347F7F2A80",
      "material_package_name": "01047",
      "timecode": "01:23:17:03"
    }
  }
}


    



    ffprobe from ffmpeg-coded-file :

    



    {
  "streams": [
    {
      "index": 0,
      "codec_name": "dnxhd",
      "codec_long_name": "VC3\/DNxHD",
      "profile": "DNXHD",
      "codec_type": "video",
      "codec_time_base": "1\/25",
      "codec_tag_string": "AVdn",
      "codec_tag": "0x6e645641",
      "width": 1920,
      "height": 1080,
      "coded_width": 1920,
      "coded_height": 1088,
      "has_b_frames": 0,
      "sample_aspect_ratio": "1:1",
      "display_aspect_ratio": "16:9",
      "pix_fmt": "yuv422p10le",
      "level": -99,
      "color_range": "tv",
      "color_space": "bt709",
      "refs": 1,
      "r_frame_rate": "25\/1",
      "avg_frame_rate": "25\/1",
      "time_base": "1\/12800",
      "start_pts": 0,
      "start_time": "0.000000",
      "duration_ts": 1187840,
      "duration": "92.800000",
      "bit_rate": "183500800",
      "bits_per_raw_sample": "10",
      "nb_frames": "2320",
      "disposition": {
        "default": 1,
        "dub": 0,
        "original": 0,
        "comment": 0,
        "lyrics": 0,
        "karaoke": 0,
        "forced": 0,
        "hearing_impaired": 0,
        "visual_impaired": 0,
        "clean_effects": 0,
        "attached_pic": 0,
        "timed_thumbnails": 0
      },
      "tags": {
        "handler_name": "VideoHandler",
        "encoder": "Lavc58.54.100 dnxhd"
      }
    }
  ],
  "format": {
    "filename": "G:\\MXF-sortiert\\Ikegami\\2018-04-10\\V\\MULTI_NN1EUS0V\\MXF\\NN1EUS0V.0001.mov",
    "nb_streams": 1,
    "nb_programs": 0,
    "format_name": "mov,mp4,m4a,3gp,3g2,mj2",
    "format_long_name": "QuickTime \/ MOV",
    "start_time": "0.000000",
    "duration": "92.800000",
    "size": "2128619444",
    "bit_rate": "183501676",
    "probe_score": 100,
    "tags": {
      "major_brand": "qt  ",
      "minor_version": "512",
      "compatible_brands": "qt  ",
      "encoder": "Lavf58.29.100"
    }
  }
}


    



    When I concat for example one .mxf with one .mov and another .mxf at the end, the duration is frong (about 26 Miuntes when it should be some 4 Minutes or so) and VLC-Player gives a Framerate of a very slow framerate and the video does not play the ffmpeg coded part.

    



    ffprobe from concat-output :

    



    {
  "streams": [
    {
      "index": 0,
      "codec_name": "dnxhd",
      "codec_long_name": "VC3\/DNxHD",
      "profile": "DNXHD",
      "codec_type": "video",
      "codec_time_base": "20268137\/1351040",
      "codec_tag_string": "AVdn",
      "codec_tag": "0x6e645641",
      "width": 1920,
      "height": 1080,
      "coded_width": 1920,
      "coded_height": 1088,
      "has_b_frames": 0,
      "sample_aspect_ratio": "1:1",
      "display_aspect_ratio": "16:9",
      "pix_fmt": "yuv422p10le",
      "level": -99,
      "color_range": "tv",
      "color_space": "bt709",
      "refs": 1,
      "r_frame_rate": "25\/1",
      "avg_frame_rate": "1351040\/20268137",
      "time_base": "1\/12800",
      "start_pts": 0,
      "start_time": "0.000000",
      "duration_ts": 1216088220,
      "duration": "95006.892188",
      "bit_rate": "489252",
      "bits_per_raw_sample": "10",
      "nb_frames": "6333",
      "disposition": {
        "default": 1,
        "dub": 0,
        "original": 0,
        "comment": 0,
        "lyrics": 0,
        "karaoke": 0,
        "forced": 0,
        "hearing_impaired": 0,
        "visual_impaired": 0,
        "clean_effects": 0,
        "attached_pic": 0,
        "timed_thumbnails": 0
      },
      "tags": {
        "handler_name": "VideoHandler"
      }
    }
  ],
  "format": {
    "filename": "G:\\MXF-sortiert\\Ikegami\\2018-04-10\\V\\NN1EUS0V_MIES.mov",
    "nb_streams": 1,
    "nb_programs": 0,
    "format_name": "mov,mp4,m4a,3gp,3g2,mj2",
    "format_long_name": "QuickTime \/ MOV",
    "start_time": "0.000000",
    "duration": "95006.893000",
    "size": "5810367616",
    "bit_rate": "489258",
    "probe_score": 100,
    "tags": {
      "major_brand": "qt  ",
      "minor_version": "512",
      "compatible_brands": "qt  ",
      "encoder": "Lavf58.29.100"
    }
  }
}


    



    The Ikegami and ffmpeg-coded files for themselves are playing great and do show the correct fps in VLC.

    



    I can see in the probe-logs the

    



      "codec_time_base": "20268137\/1351040"


    



    and

    



      "avg_frame_rate": "1351040\/20268137"


    



    What is going wrong here ? How can I improve the coding-part and / or the concat to get a good result ? Is it only possible with re-encode instead of c:v copy ?

    



    Any help welcome, thanks in advance,

    



    tom

    


  • Find a great Google Tag Manager alternative in Matomo Tag Manager

    29 avril 2020, par Joselyn Khor — Analytics Tips, Development, Marketing, Plugins

    If you’re looking for a tag management system that rivals Google’s, then Matomo Tag Manager is a great Google Tag Manager alternative that takes your tracking to the next level.

    What’s a tag manager ?

    If you’re not familiar with Google Tag Manager or Matomo Tag Manager – they’re both free tag management systems that let you manage all your website code snippets (tags) in one place. 

    Tags are typically JavaScript code or HTML that lets you integrate various features into your site in just a few clicks. For example : analytics codes, conversion tracking codes, exit popups and surveys, remarketing codes, social widgets, affiliates, and ads. With a tag manager, you get to easily look into and manage these different tracking codes.

    Why use a tag manager ?

    Tag management systems are game changers because they let you track important data more effectively by easily adding code snippets (tags) to your website. 

    By not needing to hard code each individual code you also save time. Rather than waiting for someone to make tag changes and to deploy your website, you can make the changes yourself without needing the technical expertise of a developer.

    Why is Matomo Tag Manager a great Google Tag Manager alternative ?

     Matomo Tag Manager is a great Google Tag Manager alternative. Not only does it let you manage all your tracking and marketing tags in one place, it also offers less complexity and more flexibility. 

    By tagging your website and using Matomo Tag Manager alongside Matomo Analytics, you can collect much more data than you’d be able to otherwise. 

    A bonus to using Matomo is the privacy and data ownership aspect. With Matomo you also get the added peace of mind that comes with 100% data ownership and privacy protection. You will never be left wondering what’s happening to your data. Rest assured knowing you’re doing the best to protect user privacy, while getting useful insights to improve your website. 

    And since Matomo Tag Manager is the one of the best alternatives to Google Tag Manager, you’ll gain more than you lose by having full confidence that your data is yours to own.

    Three key benefits of using Matomo Tag Manager :

    • Empowers you to deploy and manage your own tags
      This takes the hassle out of needing a web developer to hard code and edit every tag on your website. Now you can deploy tracking code on chosen pages and track various data yourself. 
    • Open up endless possibilities on data tracking
      Dig a lot deeper to track analytics, conversions, and more. Now you can implement advanced tracking solutions without needing to pay an external source. 
    • Save time and create your own impact
      With limited resources you certainly don’t want to be wasting any time having to go back and forth with an external party over what tags to add or take away. An over-dependence on web developers or agencies carrying out tag management for you, stalls growth and experimentation opportunities. With a tag management system you have the convenience of inserting your own tags and getting to a desired outcome faster. You won’t have to forgo tracking opportunities because now it’s in your hands.
    Next step : free tag manager training

  • Generating video from images and audio by FFmpeg

    24 mars 2020, par Cody

    I am new to FFmpeg and video/audio encoding. I try to use Fluent ffmpeg to generate a MP4 video from images and audio.

    There are 2 inputs only :

    If the audio duration is longer video length, just discard the excessive part of audio at the end.
    And all the images have to be shown in same duration.(i.e. The video should be in n/d FPS for n images and video with d second)

    Since the image input are not in number sequence, I use concat demuxer as input :

            let VIDEO_DURATION = 8;
    
        let ffmpeg = await FfmpegUtil.createCommand();
    
        let imageFiles: string[] = ["foo.jpg", "bar.jpg", ...]; //assume there are 67 image files
    
        let demuxerFile = await FfmpegUtil.createConcatDemuxerFile(imageFiles);
    
        let audioFile: string = "path/to/audio.wav";
    

    
        ffmpeg.input(demuxerFile)
    
            .inputOption(
    
                "-f", "concat",
    
                "-safe", "0",
    
            )
    
            .input(audioFile)
    
            .outputOption(
    
                "-r", `${imageFiles.length}/${VIDEO_DURATION}`,
    
            )
    
            .duration(VIDEO_DURATION)
    
            .save("path/to/output.mp4")
    
        ;

    it will spawn a ffmpeg command :

    ffmpeg 
    
    -f concat 
    
    -safe 0 
    
    -i path/to/demuxerFile.txt 
    
    -i path/to/audio.wav 
    
    -y 
    
    -r 67/8
    
    -t 8 
    
    path/to/output.mp4

    However the output file cannot be played.

    I also tried "-framerate", ${imageFiles.length}/${VIDEO_DURATION} in .outputOption(), it still output a file cannot be played and I found the frame rate always be 25 in its file property.

    Update 1 (added spawned command & ffmpeg console log) :

    spawned ffmpeg command & console log ("-r", `${imageFiles.length}/${VIDEO_DURATION}` as outputOption) :

    ffmpeg -f concat -safe 0 -i path/to/demuxerFile.txt -i path/to/audio.wav -y -r 67/8 -t 8 path/to/output_r.mp4
    

    
ffmpeg version git-2020-01-26-5e62100 Copyright (c) 2000-2020 the FFmpeg developers
    
  built with gcc 9.2.1 (GCC) 20200122
    
  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. 38.100 / 56. 38.100
    
  libavcodec     58. 67.100 / 58. 67.100
    
  libavformat    58. 36.100 / 58. 36.100
    
  libavdevice    58.  9.103 / 58.  9.103
    
  libavfilter     7. 71.100 /  7. 71.100
    
  libswscale      5.  6.100 /  5.  6.100
    
  libswresample   3.  6.100 /  3.  6.100
    
  libpostproc    55.  6.100 / 55.  6.100
    
Input #0, concat, from 'path/to/demuxerFile.txt':
    
  Duration: N/A, start: 0.000000, bitrate: N/A
    
    Stream #0:0: Video: mjpeg (Baseline), yuvj444p(pc, bt470bg/unknown/unknown), 4677x4677 [SAR 256:256 DAR 1:1], 25 tbr, 25 tbn, 25 tbc
    
Guessed Channel Layout for Input Stream #1.0 : stereo
    
Input #1, wav, from 'path/to/audio.wav':
    
  Metadata:
    
    artist          : TextAloud: IVONA Kimberly22
    
    date            : 2018
    
    genre           : Speech
    
    title           : 38750336.mp3
    
    album           : Created: 7/26/2018 4:56:13 PM
    
    encoder         : Lavf58.16.100
    
    encoded_by      : Lame MP3
    
  Duration: 00:00:15.57, bitrate: 705 kb/s
    
    Stream #1:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 22050 Hz, stereo, s16, 705 kb/s
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (mjpeg (native) -> h264 (libx264))
    
  Stream #1:0 -> #0:1 (pcm_s16le (native) -> aac (native))
    
Press [q] to stop, [?] for help
    
[libx264 @ 000001e395041400] using SAR=1/1
    
[libx264 @ 000001e395041400] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
    
[libx264 @ 000001e395041400] profile High 4:4:4 Predictive, level 6.0, 4:4:4, 8-bit
    
[libx264 @ 000001e395041400] 264 - core 159 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - http://www.videolan.org/x264.html - options: cabac=1 ref=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_pskip=1 chroma_qp_offset=4 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=8 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=1.40 aq=1:1.00
    
Output #0, mp4, to 'path/to/output_r.mp4':
    
  Metadata:
    
    encoder         : Lavf58.36.100
    
    Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuvj444p(pc, progressive), 4677x4677 [SAR 256:256 DAR 1:1], q=-1--1, 8.38 fps, 17152 tbn, 8.38 tbc
    
    Metadata:
    
      encoder         : Lavc58.67.100 libx264
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
    
    Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 22050 Hz, stereo, fltp, 128 kb/s
    
    Metadata:
    
      encoder         : Lavc58.67.100 aac
    
frame=    3 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=    5 fps=4.2 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=4 speed=   0x    
    
frame=    6 fps=3.4 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=7 speed=   0x    
    
frame=    8 fps=3.4 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=10 speed=   0x    
    
frame=   10 fps=3.5 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=14 speed=   0x    
    
frame=   11 fps=3.2 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=16 speed=   0x    
    
frame=   13 fps=3.2 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=20 speed=   0x    
    
frame=   14 fps=3.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=22 speed=   0x    
    
frame=   16 fps=3.1 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=26 speed=   0x    
    
frame=   17 fps=2.9 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=28 speed=   0x    
    
frame=   18 fps=2.8 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=31 speed=   0x    
    
frame=   20 fps=2.9 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=34 speed=   0x    
    
frame=   21 fps=2.8 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=36 speed=   0x    
    
frame=   23 fps=2.9 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=40 speed=   0x    
    
frame=   24 fps=2.8 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=42 speed=   0x    
    
frame=   24 fps=0.7 q=-1.0 Lsize=     752kB time=00:00:08.03 bitrate= 766.4kbits/s dup=0 drop=43 speed=0.22x    
    
video:624kB audio:125kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.359236%
    
[libx264 @ 000001e395041400] frame I:1     Avg QP:12.79  size:257554
    
[libx264 @ 000001e395041400] frame P:15    Avg QP:13.10  size: 20487
    
[libx264 @ 000001e395041400] frame B:8     Avg QP:13.10  size:  9231
    
[libx264 @ 000001e395041400] consecutive B-frames: 45.8% 25.0% 12.5% 16.7%
    
[libx264 @ 000001e395041400] mb I  I16..4: 18.4% 79.2%  2.4%
    
[libx264 @ 000001e395041400] mb P  I16..4:  1.0%  3.3%  0.4%  P16..4:  1.0%  0.2%  0.2%  0.0%  0.0%    skip:93.9%
    
[libx264 @ 000001e395041400] mb B  I16..4:  0.1%  0.2%  0.1%  B16..8:  1.8%  0.1%  0.0%  direct: 2.9%  skip:94.7%  L0:58.1% L1:40.2% BI: 1.7%
    
[libx264 @ 000001e395041400] 8x8 transform intra:75.0% inter:82.7%
    
[libx264 @ 000001e395041400] coded y,u,v intra: 6.1% 3.5% 4.4% inter: 0.2% 1.2% 0.5%
    
[libx264 @ 000001e395041400] i16 v,h,dc,p: 80% 16%  3%  2%
    
[libx264 @ 000001e395041400] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 46%  8% 44%  0%  0%  0%  0%  0%  0%
    
[libx264 @ 000001e395041400] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 27% 25%  3%  3%  3%  4%  3%  3%
    
[libx264 @ 000001e395041400] Weighted P-Frames: Y:0.0% UV:0.0%
    
[libx264 @ 000001e395041400] ref P L0: 75.6%  3.3% 14.8%  6.3%
    
[libx264 @ 000001e395041400] ref B L0: 88.6% 10.7%  0.7%
    
[libx264 @ 000001e395041400] ref B L1: 98.7%  1.3%
    
[libx264 @ 000001e395041400] kb/s:1783.06
    
[aac @ 000001e3951e7f80] Qavg: 55135.730

    spawned ffmpeg command & console log ("-framerate", `${imageFiles.length}/${VIDEO_DURATION}` as outputOption) :

    ffmpeg -f concat -safe 0 -i path/to/demuxerFile.txt -i path/to/audio.wav -y -framerate 67/8 -t 8 path/to/output_framerate.mp4
    

    
ffmpeg version git-2020-01-26-5e62100 Copyright (c) 2000-2020 the FFmpeg developers
    
  built with gcc 9.2.1 (GCC) 20200122
    
  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. 38.100 / 56. 38.100
    
  libavcodec     58. 67.100 / 58. 67.100
    
  libavformat    58. 36.100 / 58. 36.100
    
  libavdevice    58.  9.103 / 58.  9.103
    
  libavfilter     7. 71.100 /  7. 71.100
    
  libswscale      5.  6.100 /  5.  6.100
    
  libswresample   3.  6.100 /  3.  6.100
    
  libpostproc    55.  6.100 / 55.  6.100
    
Input #0, concat, from 'path/to/demuxerFile.txt':
    
  Duration: N/A, start: 0.000000, bitrate: N/A
    
    Stream #0:0: Video: mjpeg (Baseline), yuvj444p(pc, bt470bg/unknown/unknown), 4677x4677 [SAR 256:256 DAR 1:1], 25 tbr, 25 tbn, 25 tbc
    
Guessed Channel Layout for Input Stream #1.0 : stereo
    
Input #1, wav, from 'path/to/audio.wav':
    
  Metadata:
    
    artist          : TextAloud: IVONA Kimberly22
    
    date            : 2018
    
    genre           : Speech
    
    title           : 38750336.mp3
    
    album           : Created: 7/26/2018 4:56:13 PM
    
    encoder         : Lavf58.16.100
    
    encoded_by      : Lame MP3
    
  Duration: 00:00:15.57, bitrate: 705 kb/s
    
    Stream #1:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 22050 Hz, stereo, s16, 705 kb/s
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (mjpeg (native) -> h264 (libx264))
    
  Stream #1:0 -> #0:1 (pcm_s16le (native) -> aac (native))
    
Press [q] to stop, [?] for help
    
[libx264 @ 000002460bda4740] using SAR=1/1
    
[libx264 @ 000002460bda4740] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
    
[libx264 @ 000002460bda4740] profile High 4:4:4 Predictive, level 6.0, 4:4:4, 8-bit
    
[libx264 @ 000002460bda4740] 264 - core 159 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - http://www.videolan.org/x264.html - options: cabac=1 ref=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_pskip=1 chroma_qp_offset=4 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=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=1.40 aq=1:1.00
    
Output #0, mp4, to 'path/to/output_framerate.mp4':
    
  Metadata:
    
    encoder         : Lavf58.36.100
    
    Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuvj444p(pc, progressive), 4677x4677 [SAR 256:256 DAR 1:1], q=-1--1, 25 fps, 12800 tbn, 25 tbc
    
    Metadata:
    
      encoder         : Lavc58.67.100 libx264
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
    
    Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 22050 Hz, stereo, fltp, 128 kb/s
    
    Metadata:
    
      encoder         : Lavc58.67.100 aac
    
frame=    3 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=    6 fps=5.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=    9 fps=5.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   12 fps=5.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   14 fps=4.6 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   16 fps=4.4 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   18 fps=3.9 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   20 fps=3.9 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   22 fps=3.8 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   23 fps=3.6 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   25 fps=3.6 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   27 fps=3.3 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   28 fps=3.1 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   30 fps=3.1 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   33 fps=3.2 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   36 fps=3.3 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   38 fps=3.1 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   39 fps=3.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   40 fps=2.6 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   41 fps=2.4 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   42 fps=2.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   43 fps=1.9 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   44 fps=1.9 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   45 fps=1.8 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   46 fps=1.8 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   47 fps=1.4 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   49 fps=1.5 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   50 fps=1.5 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   51 fps=1.5 q=28.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   51 fps=1.3 q=28.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   52 fps=1.3 q=28.0 size=       0kB time=00:00:00.04 bitrate=   8.3kbits/s speed=0.00114x    
    
frame=   53 fps=1.3 q=28.0 size=       0kB time=00:00:00.04 bitrate=   8.3kbits/s speed=0.00111x    
    
frame=   54 fps=1.2 q=28.0 size=       0kB time=00:00:00.04 bitrate=   8.3kbits/s speed=0.00101x    
    
frame=   55 fps=1.2 q=28.0 size=       0kB time=00:00:00.13 bitrate=   2.8kbits/s speed=0.00297x    
    
frame=   56 fps=1.1 q=28.0 size=       0kB time=00:00:00.18 bitrate=   2.1kbits/s speed=0.00377x    
    
frame=   57 fps=1.1 q=28.0 size=     256kB time=00:00:00.23 bitrate=9033.3kbits/s speed=0.00461x    
    
frame=   58 fps=1.1 q=28.0 size=     256kB time=00:00:00.27 bitrate=7527.8kbits/s speed=0.00514x    
    
frame=   59 fps=1.0 q=28.0 size=     256kB time=00:00:00.32 bitrate=6452.4kbits/s speed=0.00571x    
    
frame=   60 fps=1.0 q=28.0 size=     256kB time=00:00:00.37 bitrate=5645.8kbits/s speed=0.00643x    
    
frame=   62 fps=1.0 q=28.0 size=     256kB time=00:00:00.37 bitrate=5645.8kbits/s speed=0.00605x    
    
frame=   62 fps=1.0 q=28.0 size=     256kB time=00:00:00.41 bitrate=5018.5kbits/s speed=0.00668x    
    
frame=   63 fps=1.0 q=28.0 size=     256kB time=00:00:00.46 bitrate=4516.7kbits/s speed=0.00727x    
    
frame=   64 fps=1.0 q=28.0 size=     256kB time=00:00:00.51 bitrate=4106.1kbits/s speed=0.00778x    
    
frame=   65 fps=1.0 q=28.0 size=     256kB time=00:00:00.55 bitrate=3763.9kbits/s speed=0.00827x    
    
frame=   66 fps=1.0 q=28.0 size=     256kB time=00:00:00.60 bitrate=3474.4kbits/s speed=0.00884x    
    
frame=   67 fps=1.0 q=28.0 size=     256kB time=00:00:00.65 bitrate=3226.2kbits/s speed=0.00943x    
    
frame=   67 fps=0.6 q=-1.0 Lsize=     872kB time=00:00:08.03 bitrate= 888.9kbits/s speed=0.0752x    
    
video:744kB audio:125kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.391708%
    
[libx264 @ 000002460bda4740] frame I:1     Avg QP:15.80  size:216204
    
[libx264 @ 000002460bda4740] frame P:29    Avg QP:15.19  size: 10747
    
[libx264 @ 000002460bda4740] frame B:37    Avg QP:17.07  size:  6300
    
[libx264 @ 000002460bda4740] consecutive B-frames: 17.9% 14.9% 31.3% 35.8%
    
[libx264 @ 000002460bda4740] mb I  I16..4: 11.4% 86.0%  2.6%
    
[libx264 @ 000002460bda4740] mb P  I16..4:  0.5%  1.9%  0.2%  P16..4:  0.7%  0.2%  0.1%  0.0%  0.0%    skip:96.5%
    
[libx264 @ 000002460bda4740] mb B  I16..4:  0.1%  0.2%  0.0%  B16..8:  1.3%  0.2%  0.0%  direct: 0.7%  skip:97.5%  L0:57.4% L1:40.7% BI: 1.9%
    
[libx264 @ 000002460bda4740] 8x8 transform intra:79.7% inter:31.4%
    
[libx264 @ 000002460bda4740] coded y,u,v intra: 5.7% 2.9% 3.7% inter: 0.1% 0.5% 0.2%
    
[libx264 @ 000002460bda4740] i16 v,h,dc,p: 70% 23%  4%  2%
    
[libx264 @ 000002460bda4740] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 45%  8% 45%  0%  0%  0%  0%  0%  0%
    
[libx264 @ 000002460bda4740] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 26% 25%  3%  3%  4%  4%  3%  2%
    
[libx264 @ 000002460bda4740] Weighted P-Frames: Y:0.0% UV:0.0%
    
[libx264 @ 000002460bda4740] ref P L0: 72.6%  3.0% 16.6%  7.7%
    
[libx264 @ 000002460bda4740] ref B L0: 75.7% 20.6%  3.7%
    
[libx264 @ 000002460bda4740] ref B L1: 97.7%  2.3%
    
[libx264 @ 000002460bda4740] kb/s:2271.59
    
[aac @ 000002460bda8580] Qavg: 55135.730

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