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• FFmpeg filter_complex to merge audio from two files fails without an error due to album cover PNG stream

  13 décembre 2023, par kaushal

  When you run FFmpeg filter_complex command to process two mp3 files and merge them into one, the command runs successfully, the output mp3 file is generated. No errors are reported. But the output fails to run. The result log from FFmpeg looks something like this, which points to an PNG stream in one of the mp3.

  


  [mp3 @ 00000215d251e7c0] Estimating duration from bitrate, this may be inaccurate
Input #0, mp3, from 'C:\\vid gen\\Track_ Outwild x She Is Jules - Golden [NCS Release].mp3':
  Metadata:
    artist          : Outwild x She Is Jules
    album_artist    : Outwild x She Is Jules
    TCM             : Outwild, She Is Jules
    album           : Golden [Single]
    title           : Golden
    genre           : Electronic
    date            : 2021
  Duration: 00:04:09.60, 
start: 0.000000, bitrate: 378 kb/s
  Stream #0:0: Audio: mp3, 48000 Hz, stereo, fltp, 320 kb/s
  Stream #0:1: Video: mjpeg (Baseline), yuvj444p(pc, bt470bg/unknown/unknown), 3000x3000, 90k tbr, 90k tbn (attached pic)
    Metadata:
      comment         : Other
[mp3 @ 00000215d253f380] Estimating duration from bitrate, this may be inaccurate
Input #1, mp3, from 'E:\voiceover.mp3':
  Duration: 00:00:51.96, start: 0.000000, bitrate: 32 kb/s
  Stream #1:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/s
Stream mapping:
  Stream #0:0 (mp3float) -> volume:default (graph 0)
  Stream #1:0 (mp3float) -> adelay:default (graph 0)
  amerge:default (graph 0) -> Stream #0:0 (libmp3lame)
  Stream #0:1 -> #0:1 (mjpeg (native) -> png (native))
Press [q] to stop, [?] for help
[swscaler @ 00000215d46ff480] deprecated pixel format used, make sure you did set range correctly
    Last message repeated 3 times
[Parsed_amerge_6 @ 00000215d470d2c0] No channel layout for input 1
Output #0, mp3, to 'output_test.mp3':
  Metadata:
    TPE1            : Outwild x She Is Jules
    TPE2            : Outwild x She Is Jules
    TCM             : Outwild, She Is Jules
    TALB            : Golden [Single]
    TIT2            : Golden
    TCON            : Electronic
    TDRC            : 2021
    TSSE            : Lavf60.18.100
  Stream #0:0: Audio: mp3, 48000 Hz, stereo, fltp\r\rame=    0 fps=0.0 q=0.0 size=       0kB time=-00:00:00.02 bitrate=N/A speed=N/A    \rframe=    0 fps=0.0 q=0.0 size=       0kB time=-00:00:00.02 bitrate=N/A speed=N/A    \r[out#0/mp3 @ 00000215d2537400] video:3696kB audio:2kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.011831%
frame=    1 fps=0.8 q=-0.0 Lsize=    3698kB time=00:00:00.07 bitrate=415140.5kbits/s speed=0.0601x


  


• How to tell ffmpeg that /tmp/phpFm6H79 is a safe file name ?

  28 août 2023, par hanshenrik

  How do I tell ffmpeg that /tmp/phpFm6H79 is a safe filename ?

  


  When I do

  


  ffmpeg -y -f concat -i '/tmp/phpFm6H79' -c:v:libx264 -vsync vfr '/home/hans/projects/test/output2.mp4'


  


  I get (*only the last 2 lines are interesting)

  


  ffmpeg version 4.4.2-0ubuntu0.22.04.1 Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 11 (Ubuntu 11.2.0-19ubuntu1)
  configuration: --prefix=/usr --extra-version=0ubuntu0.22.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-pocketsphinx --enable-librsvg --enable-libmfx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 70.100 / 56. 70.100
  libavcodec     58.134.100 / 58.134.100
  libavformat    58. 76.100 / 58. 76.100
  libavdevice    58. 13.100 / 58. 13.100
  libavfilter     7.110.100 /  7.110.100
  libswscale      5.  9.100 /  5.  9.100
  libswresample   3.  9.100 /  3.  9.100
  libpostproc    55.  9.100 / 55.  9.100
[concat @ 0x55b070e9ff40] Unsafe file name '/tmp/phpbshsmF'
/tmp/phpFm6H79: Operation not permitted


  


  The filepath is generated with PHP's tmpfile() like

  


  $ffmpegInputTxtFileHandle = tmpfile();
$ffmpegInputTxtFilePath = stream_get_meta_data($ffmpegInputTxtFileHandle)['uri'];


  


  The code should be threadsafe, so using hardcoded paths is not really viable, and using tmpfile() is very convenient, it takes care of automatically deleting the file when the script exit, even if php crashes, so I'd rather tell ffmpeg that it is safe, than change it to something other than tmpfile(), is it possible ? how ?

  


  I tried using this fugly workaround to get it to end with ".txt"

  


          $ffmpegInputTxtFileHandle = tmpfile();
        $ffmpegInputTxtFilePath = stream_get_meta_data($ffmpegInputTxtFileHandle)['uri'] . ".txt";
        fclose($ffmpegInputTxtFileHandle);
        $ffmpegInputTxtFileHandle = fopen($ffmpegInputTxtFilePath, 'w+b');
        register_shutdown_function(function () use ($ffmpegInputTxtFileHandle, $ffmpegInputTxtFilePath) {
            @fclose($ffmpegInputTxtFileHandle);
            @unlink($ffmpegInputTxtFilePath);
        });


  


  but it even says that /tmp/phpFm6H79.txt is an unsafe filename :'(

  


• ffmpeg - cut without reencoding and strange behaviour : application provided duration is out of range for mov/mp4 format [closed]

  27 août 2023, par user2707175

  In Ubuntu 18.04 I quite often used the following command for trimming part of the video without re encoding (which means without any quality loss).

  


  ffmpeg -ss 00:06:00 -i DSCF5984.MOV -t 00:07:00 -c copy DSCF5984_A_wszystkie.MOV

  


  Not so much time ago I moved to Ubuntu 22.04. Still having the same video camera and still using the same format for recording, when using the command as above I'm getting quite strange error and the behavior is unexpected. In this case mov file is 40 sec file. I want to get 7 seconds fragment starting from 6 second (thus from 6 to 13 sec). Instead of this I get very short fragment from the beginning of the file. I don't even know how long as none of video players want to display its length. Probably it's 1-2 sec. Thus it's not only, I get this error, but ffmpeg doesn't work. In theory I have the newest version available for ubuntu 22.04.

  


  Messages displayed by ffmpeg

  


  ffmpeg version 4.4.2-0ubuntu0.22.04.1 Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 11 (Ubuntu 11.2.0-19ubuntu1)
  configuration: --prefix=/usr --extra-version=0ubuntu0.22.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-pocketsphinx --enable-librsvg --enable-libmfx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  WARNING: library configuration mismatch
  avcodec     configuration: --prefix=/usr --extra-version=0ubuntu0.22.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-pocketsphinx --enable-librsvg --enable-libmfx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared --enable-version3 --disable-doc --disable-programs --enable-libaribb24 --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libtesseract --enable-libvo_amrwbenc --enable-libsmbclient
  libavutil      56. 70.100 / 56. 70.100
  libavcodec     58.134.100 / 58.134.100
  libavformat    58. 76.100 / 58. 76.100
  libavdevice    58. 13.100 / 58. 13.100
  libavfilter     7.110.100 /  7.110.100
  libswscale      5.  9.100 /  5.  9.100
  libswresample   3.  9.100 /  3.  9.100
  libpostproc    55.  9.100 / 55.  9.100
Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'DSCF5984.MOV':
  Metadata:
    major_brand     : qt  
    minor_version   : 0
    compatible_brands: qt  
    creation_time   : 2023-08-12T23:07:18.000000Z
    original_format : Digital Camera
    original_format-eng: Digital Camera
    comment         : FUJIFILM DIGITAL CAMERA X-S10
    comment-eng     : FUJIFILM DIGITAL CAMERA X-S10
  Duration: 00:00:40.04, start: 0.000000, bitrate: 105270 kb/s
  Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, smpte170m/bt709/smpte170m), 3840x2160, 101873 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
    Metadata:
      creation_time   : 2023-08-12T23:07:18.000000Z
      vendor_id       : [0][0][0][0]
      encoder         : AVC Coding
      timecode        : 07:05:54;21
  Stream #0:1(eng): Audio: pcm_s24le (lpcm / 0x6D63706C), 48000 Hz, stereo, s32 (24 bit), 2304 kb/s (default)
    Metadata:
      creation_time   : 2023-08-12T23:07:18.000000Z
      vendor_id       : [0][0][0][0]
      timecode        : 07:05:54;21
  Stream #0:2(eng): Data: none (tmcd / 0x64636D74), 0 kb/s (default)
    Metadata:
      creation_time   : 2023-08-12T23:07:18.000000Z
      timecode        : 07:05:54;21
[mov @ 0x55a005fa6e40] Application provided duration: -9223372036854775808 / timestamp: -9223372036854775808 is out of range for mov/mp4 format
[mov @ 0x55a005fa6e40] pts has no value
Output #0, mov, to 'DSCF5984_A_wszystkie.MOV':
  Metadata:
    major_brand     : qt  
    minor_version   : 0
    compatible_brands: qt  
    comment-eng     : FUJIFILM DIGITAL CAMERA X-S10
    original_format : Digital Camera
    original_format-eng: Digital Camera
    comment         : FUJIFILM DIGITAL CAMERA X-S10
    encoder         : Lavf58.76.100
  Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, smpte170m/bt709/smpte170m), 3840x2160, q=2-31, 101873 kb/s, 0.03 fps, 29.97 tbr, 30k tbn, 30k tbc (default)
    Metadata:
      creation_time   : 2023-08-12T23:07:18.000000Z
      vendor_id       : [0][0][0][0]
      encoder         : AVC Coding
      timecode        : 07:05:54;21
  Stream #0:1(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, stereo, s32 (24 bit), 2304 kb/s (default)
    Metadata:
      creation_time   : 2023-08-12T23:07:18.000000Z
      vendor_id       : [0][0][0][0]
      timecode        : 07:05:54;21
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame=   30 fps=0.0 q=-1.0 Lsize=   13475kB time=-00:05:19.97 bitrate=N/A speed=N/A    
video:13191kB audio:282kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.019629%


  


  Is that some kind of error ? Or should I do sth different ? I'm quite surprised as I didn't change my camera. So is that sth changed in ffmpeg ?