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• How to make video by uploading 1 audio file and 1 to 10 images using ffmpeg

  3 août 2015, par Hassan

  In my local environment i use ffmpeg library to make video on windows
  it works fine by command line as well as by using php exec command.
  But when testing on live server It not works fine.I configured ffmpeg on my server and test but php exec command not work and there is no error.
  Is there is any way that we use or upload ffmpeg library in live website folder and give proper path in php exec command.

• ffmpeg mp4 file is not valid

  10 mars 2014, par Flash Thunder

  I was looking for answer on Internet but, didn't find any...

  Got 3 movies, all made by ffmpeg from separate frames in png files with command :

  ffmpeg -r 100 -qscale 2 -i input/%06d.png output/movie.mp4

  Two of them work perfectly... Windows Media Player and all others see it as correct format..., but one of them not. Only VLC can play it, all other players say that it is unknown format. It probably has something to do with size of images. Would like to know what are the criteria... what size should it have... why one is working and other is not...

  Sizes are :

  1. 1600x1570 - works fine
  2. 1880x616 - works fine
  3. 1891x725 - doesn't work...

  This is really weird, because fullhd has width of 1920, so all above are lower...

  All images are made by PHP with gdlib, all saved the same method... it is not the problem of count, because no matter if I get only first 100 frames, or whole movie, it still doesn't work... only the last one. Any ideas what could possibly be wrong ?

  Complete FFMPEG output (for 200 frames) :

  FFmpeg version SVN-r0.5.10-4:0.5.10-1, Copyright (c) 2000-2009 Fabrice Bellard, et al.
  
    configuration: --extra-version=4:0.5.10-1 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --disable-stripping --disable-vhook --enable-runtime-cpudetect --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libfaad --enable-libdc1394 --enable-shared --disable-static
  
    libavutil     49.15. 0 / 49.15. 0
  
    libavcodec    52.20. 1 / 52.20. 1
  
    libavformat   52.31. 0 / 52.31. 0
  
    libavdevice   52. 1. 0 / 52. 1. 0
  
    libavfilter    0. 4. 0 /  0. 4. 0
  
    libswscale     0. 7. 1 /  0. 7. 1
  
    libpostproc   51. 2. 0 / 51. 2. 0
  
    built on Feb 16 2013 09:22:58, gcc: 4.4.5
  
  Input #0, image2, from 'input/%06d.png':
  
    Duration: 00:00:02.01, start: 0.000000, bitrate: N/A
  
      Stream #0.0: Video: png, rgb24, 1891x725, 100 tbr, 100 tbn, 100 tbc
  
  Output #0, mp4, to 'output/movie.mp4':
  
      Stream #0.0: Video: mpeg4, yuv420p, 1891x725, q=2-31, 200 kb/s, 90k tbn, 100 tbc
  
  Stream mapping:
  
    Stream #0.0 -> #0.0
  
  Press [q] to stop encoding
  
  frame=  201 fps= 14 q=2.0 Lsize=   10032kB time=2.01 bitrate=40886.7kbits/s
  
  video:10030kB audio:0kB global headers:0kB muxing overhead 0.023690%

  PS. Even after converting in different application to FullHD (added black bars), it still doesn't work.

• How to start ffprobe with Windows PowerShell

  7 mars 2014, par sebastian

  I am using Zeranoes FFmpeg Builds for Windows and I can start the ff-prompt without installing anything. But how do I start ff-prompt.bat with Windows PowerShell ? I have tried a few things like Invoke-Expression or changing the $env:Path but nothing seems to work, because all I get is the message

  "C :\Users\Administrator>ECHO OFF

  bin\ffmpeg.exe could not be found."

  Is it even possible to start ff-prompt with PowerShell ? Every suggestion / solution is more than welcome.

  My goal is to have a solution that works like this here :
  http://spreadys.wordpress.com/2012/12/03/ffprobe-and-windows-powershell/

  but I want to do that automatically for all my clips, thats why I need to start ffprobe with powershell.

  ---

  ECHO OFF
  
  REM FF Prompt 1.1
  
  REM Open a command prompt to run ffmpeg/ffplay/ffprobe
  
  REM Copyright (C) 2013  Kyle Schwarz
  
  
  
  TITLE FF Prompt
  
  
  
  IF NOT EXIST bin\ffmpeg.exe (
  
    CLS
  
    ECHO bin\ffmpeg.exe could not be found.
  
    GOTO:error
  
  )
  
  
  
  CD bin || GOTO:error
  
  PROMPT $G
  
  CLS
  
  ffmpeg -version
  
  SET PATH=%CD%;%PATH%
  
  ECHO.
  
  ECHO For help run: ffmpeg -h
  
  ECHO For formats run: ffmpeg -formats ^| more
  
  ECHO For codecs run: ffmpeg -codecs ^| more
  
  ECHO.
  
  ECHO Current directory is now: "%CD%"
  
  ECHO The bin directory has been added to PATH
  
  ECHO.
  
  
  
  CMD /F:ON /Q /K
  
  GOTO:EOF
  
  
  
  :error
  
    ECHO.
  
    ECHO Press any key to exit.
  
    PAUSE >nul
  
    GOTO:EOF

  Okay I tried something a little bit different this time :

  $env:Path = ';C:\Users\Administrator\bin\'
  
  $title = "A_Day_for_Cake_and_Accidents"
  
  Start-Process ff-prompt.bat -ArgumentList "ffprobe -show_streams -select_streams v -print_format xml -count_frames C:\Users\Administrator\Desktop\dcp_bearbeitet\$title\$title.mov > C:\Users\Administrator\Desktop\dcp_bearbeitet\$title\totalframes.xml"

  This creates a file called "totalframes.xml" but without the needed information, the only thing I get is :

  C :\Users\Administrator>ECHO OFF
  ffmpeg version N-60959-g669043d
  built on Feb 27 2014 22:01:58 with gcc 4.8.2 (GCC)
  configuration : —enable-gpl —enable-version3 —disable-w32threads —enable-avisynth —enable-bzlib —enable-fontconfig —enable-frei0r —enable-gnutls —enable-iconv —enable-libass —enable-libbluray —enable-libcaca —enable-libfreetype —enable-libgsm —enable-libilbc —enable-libmodplug —enable-libmp3lame —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libopenjpeg —enable-libopus —enable-librtmp —enable-libschroedinger —enable-libsoxr —enable-libspeex —enable-libtheora —enable-libtwolame —enable-libvidstab —enable-libvo-aacenc —enable-libvo-amrwbenc —enable-libvorbis —enable-libvpx —enable-libwavpack —enable-libx264 —enable-libx265 —enable-libxavs —enable-libxvid —enable-zlib
  libavutil 52. 66.100 / 52. 66.100
  libavcodec 55. 52.102 / 55. 52.102
  libavformat 55. 33.100 / 55. 33.100
  libavdevice 55. 10.100 / 55. 10.100
  libavfilter 4. 2.100 / 4. 2.100
  libswscale 2. 5.101 / 2. 5.101
  libswresample 0. 18.100 / 0. 18.100
  libpostproc 52. 3.100 / 52. 3.100
  For help run : ffmpeg -h
  For formats run : ffmpeg -formats | more
  For codecs run : ffmpeg -codecs | more
  Current directory is now : "C :\Users\Administrator\bin"
  The bin directory has been added to PATH

  So basically the console pops up, writes this standard text and does not use my commands which I stated in -Argument-List . I do not have a clue why it is ignoring most of my commands, except for writing everything in a XML file.