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• .swf file gets cut short after conversion to mp3 with ffmpeg

  23 mai 2014, par galdikas

  So I have a .swf file which i need to convert to .mp3 (or any other audio file), it looks like this :

  vytautas@vytautas-SATELLITE-C660:~/Desktop$ ffmpeg -i rem.swf
  
  ffmpeg version 2.2.git Copyright (c) 2000-2014 the FFmpeg developers
  
    built on May 18 2014 02:20:25 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
  
    configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-x11grab --enable-libpulse --enable-libx264 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr
  
    libavutil      52. 84.100 / 52. 84.100
  
    libavcodec     55. 62.100 / 55. 62.100
  
    libavformat    55. 38.100 / 55. 38.100
  
    libavdevice    55. 13.101 / 55. 13.101
  
    libavfilter     4.  5.100 /  4.  5.100
  
    libavresample   1.  2.  0 /  1.  2.  0
  
    libswscale      2.  6.100 /  2.  6.100
  
    libswresample   0. 19.100 /  0. 19.100
  
    libpostproc    52.  3.100 / 52.  3.100
  
  [swf @ 0x2762ae0] SWF compressed file detected
  
  [swf @ 0x2762ae0] Could not find codec parameters for stream 0 (Audio: pcm_u8, 5512 Hz, mono, 44 kb/s): unspecified sample format
  
  Consider increasing the value for the 'analyzeduration' and 'probesize' options
  
  Input #0, swf, from 'rem.swf':
  
    Duration: 00:00:00.55, bitrate: 98 kb/s
  
      Stream #0:0: Audio: pcm_u8, 5512 Hz, mono, 44 kb/s
  
      Stream #0:1: Audio: mp3, 22050 Hz, mono, s16p, 128 kb/s
  
  At least one output file must be specified

  So it’s length is : 00:00:00.55, but then I convert it to .mp3 using this command :

   ffmpeg -i rem.swf -map 0:1 -acodec copy rem.mp3

  and this is the output I get :

  **output ommited, as it is same as above**
  
  Input #0, swf, from 'rem.swf':
  
    Duration: 00:00:00.55, bitrate: 98 kb/s
  
      Stream #0:0: Audio: pcm_u8, 5512 Hz, mono, 44 kb/s
  
      Stream #0:1: Audio: mp3, 22050 Hz, mono, s16p, 128 kb/s
  
  File 'rem.mp3' already exists. Overwrite ? [y/N] y
  
  Output #0, mp3, to 'rem.mp3':
  
    Metadata:
  
      TSSE            : Lavf55.38.100
  
      Stream #0:0: Audio: mp3, 22050 Hz, mono, 128 kb/s
  
  Stream mapping:
  
    Stream #0:1 -> #0:0 (copy)
  
  Press [q] to stop, [?] for help
  
  size=       5kB time=00:00:00.33 bitrate= 130.7kbits/s    
  
  video:0kB audio:5kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 9.080189%

  So now the length is only 00:00:00.33, any ideas ?

  Here is the link to the file, even if yous could try converting it on your own machine that would help as well :

  https://docs.google.com/file/d/0ByJlZbStPk2cS0FwN09TX2VkWjg/edit

  Thanks in advance !

• How to include FFMPEG in my Python program's hardcode ?

  10 juillet 2019, par Kodeeo

  I wrote a Python program for Windows 10 which converts audio files from any supported format to .flac, using FFMPEG to do the encoding.

  Ffmpeg is installed in my computer, so there isn’t any problem when I run it on my computer.

  I used pyinstaller to hardcode my program in .exe, and now I want my friends to try it.

  Not everyone has FFMPEG on his machine, so I want to include it in my distribution so people doesn’t have to download it separately to run my script.

  How can wrap/include FFMPEG into my program, and automatically install / use it if required ?

• Installing FFmpeg in Red Hat 5 without internet connection

  5 juin 2019, par yhabib

  I am trying to install the last working version of FFmpeg over Red Hat 5 and the machine has no internet connection, so I have to bring all the packages and required dependencies in a USB. The problem I am having is to get everything I would need for it.

  I searched through Google to find some guide or documentation to hep me, but there is nothing valuable for me.

  The version I got install was FFmpeg 0.6, but it is too old for my purpose of grabbing with x11grab, so anyone has any suggestion in order to get install one of the last versions of FFmpeg.