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  • CRF/CQP is incompatible with 2pass. FFmpeg error

    22 juillet 2020, par user12129980

    This is my command :

    



    ..\ffmpeg -y -i "D:\FFMPEG\ffmpeg-20200129-de1b2aa-win64-static\bin\test\aa_start_with_BAGAN.mp4" -c:v libx264 -preset ultrafast -maxrate 3000k -bufsize 6000k -g 50 -c:a aac -b:a 128k -ac 2 -ar 44100 -an -pass 1 -f mp4 NUL   && ..\ffmpeg -i "D:\FFMPEG\ffmpeg-20200129-de1b2aa-win64-static\bin\test\aa_start_with_BAGAN.mp4" -c:v libx264 -s 1280x720 -preset ultrafast -maxrate 500k -bufsize 1000k -vf "scale=1280:-1,format=yuv420p" -g 50 -c:a aac -b:a 128k -ac 2 -ar 44100 -an -pass 2 aa_start_with_BAGAN.mp4_ultrafast_500.mp4


    



    in the output I get CRF/CQP is incompatible with 2pass, but I didnt use the cfr/-q option in the command at all, why do I get this error ?
Add the full metadata of FFMpeg maybe someone can help me with this ?
(-g 50 because the default fps is 25 base on the documentation)

    



    `ffmpeg version git-2020-01-29-de1b2aa 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, mov,mp4,m4a,3gp,3g2,mj2, from 'D:\FFMPEG\ffmpeg-20200129-de1b2aa-win64-static\bin\test\aa_start_with_BAGAN.mp4':
  Metadata:
    major_brand     : M4V
    minor_version   : 1
    compatible_brands: M4V mp42isom
    creation_time   : 2018-04-24T18:21:09.000000Z
  Duration: 00:35:54.00, start: 0.000000, bitrate: 1057 kb/s
    Stream #0:0(eng): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv), 640x480 [SAR 1:1 DAR 4:3], 929 kb/s, 25 fps, 25 tbr, 50k tbn, 50 tbc (default)
    Metadata:
      creation_time   : 2018-04-24T18:21:09.000000Z
      handler_name    : Mainconcept MP4 Video Media Handler
      encoder         : AVC Coding
    Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
    Metadata:
      creation_time   : 2018-04-24T18:21:09.000000Z
      handler_name    : Mainconcept MP4 Sound Media Handler
Codec AVOption b (set bitrate (in bits/s)) specified for output file #0 (NUL) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[libx264 @ 0000024ec2de0f80] using SAR=1/1
[libx264 @ 0000024ec2de0f80] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0000024ec2de0f80] profile Constrained Baseline, level 3.0, 4:2:0, 8-bit
[libx264 @ 0000024ec2de0f80] 264 - core 159 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=50 keyint_min=5 scenecut=0 intra_refresh=0 rc_lookahead=0 rc=crf mbtree=0 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=3000 vbv_bufsize=6000 crf_max=0.0 nal_hrd=none filler=0 ip_ratio=1.40 aq=0
Output #0, mp4, to 'NUL':
  Metadata:
    major_brand     : M4V
    minor_version   : 1
    compatible_brands: M4V mp42isom
    encoder         : Lavf58.36.100
    Stream #0:0(eng): Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 25 fps, 12800 tbn, 25 tbc (default)
    Metadata:
      creation_time   : 2018-04-24T18:21:09.000000Z
      handler_name    : Mainconcept MP4 Video Media Handler
      encoder         : Lavc58.67.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 3000000/0/0 buffer size: 6000000 vbv_delay: N/A
frame=53849 fps=999 q=-1.0 Lsize=  496489kB time=00:35:53.92 bitrate=1888.3kbits/s speed=39.9x
video:496266kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.044919%
[libx264 @ 0000024ec2de0f80] frame I:1077  Avg QP:20.39  size: 38800
[libx264 @ 0000024ec2de0f80] frame P:52772 Avg QP:23.39  size:  8838
[libx264 @ 0000024ec2de0f80] mb I  I16..4: 100.0%  0.0%  0.0%
[libx264 @ 0000024ec2de0f80] mb P  I16..4:  8.4%  0.0%  0.0%  P16..4: 51.8%  0.0%  0.0%  0.0%  0.0%    skip:39.8%
[libx264 @ 0000024ec2de0f80] coded y,uvDC,uvAC intra: 44.8% 54.5% 18.3% inter: 30.2% 22.0% 2.0%
[libx264 @ 0000024ec2de0f80] i16 v,h,dc,p: 39% 25% 16% 19%
[libx264 @ 0000024ec2de0f80] i8c dc,h,v,p: 35% 23% 24% 17%
[libx264 @ 0000024ec2de0f80] kb/s:1887.41
ffmpeg version git-2020-01-29-de1b2aa 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, mov,mp4,m4a,3gp,3g2,mj2, from 'D:\FFMPEG\ffmpeg-20200129-de1b2aa-win64-static\bin\test\aa_start_with_BAGAN.mp4':
  Metadata:
    major_brand     : M4V
    minor_version   : 1
    compatible_brands: M4V mp42isom
    creation_time   : 2018-04-24T18:21:09.000000Z
  Duration: 00:35:54.00, start: 0.000000, bitrate: 1057 kb/s
    Stream #0:0(eng): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv), 640x480 [SAR 1:1 DAR 4:3], 929 kb/s, 25 fps, 25 tbr, 50k tbn, 50 tbc (default)
    Metadata:
      creation_time   : 2018-04-24T18:21:09.000000Z
      handler_name    : Mainconcept MP4 Video Media Handler
      encoder         : AVC Coding
    Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
    Metadata:
      creation_time   : 2018-04-24T18:21:09.000000Z
      handler_name    : Mainconcept MP4 Sound Media Handler
Codec AVOption b (set bitrate (in bits/s)) specified for output file #0 (aa_start_with_BAGAN.mp4_ultrafast_500.mp4) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[libx264 @ 0000013691fbda00] using SAR=3/4
[libx264 @ 0000013691fbda00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0000013691fbda00] CRF/CQP is incompatible with 2pass.
Error initializing output stream 0:0 -- Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
Conversion failed!`


    


  • disable muxing in YOUTUBE-DL

    3 février 2020, par user3515562

    I want to disbale post process in youtube-dl(2020.01.24).
    My batch file contains

    set /p ytlink=Enter the link of Youtube Video:-    
    youtube-dl -x -o D:\%%(title)s.%%(ext)s %ytlink%  
    pause  

    The youtube-dl first downloads webm file or any other file than use post process ffmpeg.exe to convert it.
    I want to disable post process.Their must be no post process happening after youtube-dl download.

    - x is the option to only download audio file of the YouTube video in webm format .There is no post processing involved.But youtube-dl by default tries to convert the webm file to some other format, which is post processing.Post processing of audio file by default is one that i want to disable
    OS=Windows 10

  • Appending a list of movie MP4s causes the sound to be dropped or garbled at some point

    7 février 2020, par Marie

    My process is in 3 steps
    Step 1) Corresponding to each bitmap I have 00.JPG ... NN.JPG I combine a list of "SOURCE" mp3 audio into a single audio mp3 to produce matching 00.MP3 ... NN.MP3

    I had glitch here where one my mp3 was not of the correct Sample Rate, however a kind soul in this forum helped me fix that.
    You can read the details here :

    When I append a silent audio (mp3) to an existing list of audio it garbles the final audio ?

    Step 2) combine each mp3 from previous with a the filename matching bitmap to produce a movie .MP4

    IOW,

    • 00.JPG + 00.MP3 >> 00.MP4
    • 01.JPG + 01.MP3 >> 01.MP4
    • and so on

    From this run of 24 subparts, I hand tested some of these movies against Whatsapp and they are accepted fine.
    However, the final MOVIE.MP4 is not.
    I will list below their info from ffprobe.

    Step 3) combine the list of movies from previous into a final MOVIE.MP4
    This is where I have been having random issues typically with audio, currently this audio drops at about 20s from start. Corresponding to roughly movies parts 04.mp4 to 07.mp4

    I play the videos via VLC but Windows Media Player has even worse playback.

    I am able to reproduce Step3 and thus MOVIE.MP4 with following batch file

    rem 10:33 PM 2/6/2020
    SET EXE="S:\_BINS\FFmpeg 4.2.1 20200112\bin\ffmpeg.exe"

    SET ROOTPATH=.\

    SET OUT_FILE="%ROOTPATH%MOVIE.MP4"

    SET IN_FILES_LIST="%ROOTPATH%IN_FILES_LIST.TXT"

    SET OPTIONS= -f concat -safe 0 -i  %IN_FILES_LIST%  -c copy -y  %OUT_FILE%

    SET INFO_FILE="INFO.TXT"

    %EXE% %OPTIONS%  1> %INFO_FILE% 2>&1

    rem PAUSE

    The content of IN_FILES_LIST.TXT

    file '00.mp4'
    file '01.mp4'
    file '02.mp4'
    ...
    file '23.mp4'
    file '24.mp4'

    (Step 2) uses the following :)
    enter image description here

    The following is ffprobe on the source audio MP3s (Step 1)

    MP3s_ORIGINAL.TXT
    ========================BEGIN
    [mp3 @ 0000000000513100] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\00.mp3':
     Duration: 00:00:03.36, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 00000000003f3180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\01.mp3':
     Duration: 00:00:00.46, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 00000000004a3180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\02.mp3':
     Duration: 00:00:00.58, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000623180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\03.mp3':
     Duration: 00:00:00.84, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 00000000003a3180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\04.mp3':
     Duration: 00:00:00.86, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000433180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\05.mp3':
     Duration: 00:00:00.98, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000683180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\06.mp3':
     Duration: 00:00:00.98, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 00000000004d3180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\07.mp3':
     Duration: 00:00:00.98, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 00000000004c3180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\08.mp3':
     Duration: 00:00:00.98, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000573180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\09.mp3':
     Duration: 00:00:00.98, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000583180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\10.mp3':
     Duration: 00:00:00.98, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 00000000005e3180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\11.mp3':
     Duration: 00:00:00.98, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000553180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\12.mp3':
     Duration: 00:00:00.98, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000563180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\13.mp3':
     Duration: 00:00:03.74, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000543180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\14.mp3':
     Duration: 00:00:00.86, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000153180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\15.mp3':
     Duration: 00:00:00.60, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000553180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\16.mp3':
     Duration: 00:00:00.60, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000403180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\17.mp3':
     Duration: 00:00:00.60, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 00000000003a3180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\18.mp3':
     Duration: 00:00:00.77, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000473180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\19.mp3':
     Duration: 00:00:04.44, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000513180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\20.mp3':
     Duration: 00:00:00.98, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000563180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\21.mp3':
     Duration: 00:00:00.98, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000153180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\22.mp3':
     Duration: 00:00:01.08, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000503180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\23.mp3':
     Duration: 00:00:04.06, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 00000000003c3180] Estimating duration from bitrate, this may be inaccurate
    Input #0, mp3, from '.\PLAY\24.mp3':
     Duration: 00:00:01.08, start: 0.000000, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    [mp3 @ 0000000000153180] Estimating duration from bitrate, this may be inaccurate

    The following is ffprobe on the MP3s concatenated with 2second Silence. All their Sample Rate 24K and Bit Rate 32k seems OK ?? (Also Step 1)

    MP3s_withSilenceAppended.TXT
    ========================BEGIN
    Input #0, mp3, from '00.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:05.42, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '01.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:02.52, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '02.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:02.64, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '03.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:02.90, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '04.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:02.93, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '05.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:03.05, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '06.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:03.05, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '07.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:03.05, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '08.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:03.05, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '09.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:03.05, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '10.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:03.05, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '11.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:03.05, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '12.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:03.05, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '13.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:05.81, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '14.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:02.93, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '15.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:02.66, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '16.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:02.66, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '17.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:02.66, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '18.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:02.83, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '19.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:06.50, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '20.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:03.05, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '21.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:03.05, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '22.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:03.14, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '23.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:06.12, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
    Input #0, mp3, from '24.mp3':
     Metadata:
       encoder         : Lavf58.35.101
     Duration: 00:00:03.14, start: 0.046042, bitrate: 32 kb/s
       Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s

    The following is ffmpeg info output during the production of final movie MOVIE.MP4
    (Step 3)

    ========================BEGIN
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\00.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:05.54, start: 0.000000, bitrate: 174 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 137 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\01.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:02.71, start: 0.000000, bitrate: 269 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 242 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\02.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:02.71, start: 0.000000, bitrate: 285 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 245 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\03.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.04, start: 0.000000, bitrate: 275 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 239 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\04.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.04, start: 0.000000, bitrate: 286 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 250 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\05.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.21, start: 0.000000, bitrate: 281 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 249 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\06.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.21, start: 0.000000, bitrate: 281 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 249 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\07.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.21, start: 0.000000, bitrate: 150 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 115 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\08.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.21, start: 0.000000, bitrate: 201 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 166 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\09.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.21, start: 0.000000, bitrate: 247 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 214 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\10.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.21, start: 0.000000, bitrate: 247 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 214 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\11.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.21, start: 0.000000, bitrate: 131 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 95 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\12.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.21, start: 0.000000, bitrate: 194 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 159 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\13.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:05.88, start: 0.000000, bitrate: 207 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 169 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\14.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.04, start: 0.000000, bitrate: 335 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 300 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\15.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:02.88, start: 0.000000, bitrate: 365 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 342 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\16.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:02.88, start: 0.000000, bitrate: 384 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 362 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\17.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:02.88, start: 0.000000, bitrate: 390 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 368 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\18.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.04, start: 0.000000, bitrate: 386 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 363 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\19.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:06.71, start: 0.000000, bitrate: 204 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 169 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\20.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.21, start: 0.000000, bitrate: 194 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 159 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\21.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.21, start: 0.000000, bitrate: 194 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 159 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\22.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.21, start: 0.000000, bitrate: 208 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 169 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\23.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:06.21, start: 0.000000, bitrate: 204 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 166 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\24.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:00:03.21, start: 0.000000, bitrate: 173 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 134 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 32 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\VID\MOVIE.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf58.35.101
     Duration: 00:01:29.05, start: 0.000000, bitrate: 239 kb/s
       Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 203 kb/s, 23.53 fps, 24 tbr, 24k tbn, 48 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 30 kb/s (default)
       Metadata:
         handler_name    : SoundHandler

    I have not been able yet to reproduce the issue with a smaller set of movies, in the meantime if you would to get a copy I would have to upload an archive to a link so you can have them on your side.

    Alternatively, if you would like me to provide additional info from these steps let me know what commands and I will be happy to provide.

    Thank you.