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  • Converting mp4 audio to webm with ffmpeg - unable to find suitable output for webm

    13 janvier 2015, par JDStraughan

    I have a custom heroku buildpack that is installing ffmpeg, libvorbis, etc.

    When I run ffmpeg I get the following output :

    FFmpeg version SVN-r0.5.9-4:0.5.9-0ubuntu0.10.04.3, Copyright (c) 2000-2009 Fabrice Bellard, et al.
    

    
configuration: --extra-version=4:0.5.9-0ubuntu0.10.04.3 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libgsm --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-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 Jan 24 2013 19:42:59, gcc: 4.4.3
    
At least one output file must be specified

    I’m trying to convert mp4 audio to webm audio.

    Here is the command I am using :

    ~/public/audio $ ffmpeg -i sample.mp3 sample.webm

    And the output :

    FFmpeg version SVN-r0.5.9-4:0.5.9-0ubuntu0.10.04.3, Copyright (c) 2000-2009 Fabrice Bellard, et al.
    
  configuration: --extra-version=4:0.5.9-0ubuntu0.10.04.3 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libgsm --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-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 Jan 24 2013 19:42:59, gcc: 4.4.3
    
Input #0, mp3, from 'sample.mp3':
    
  Duration: 00:00:01.56, start: 0.000000, bitrate: 76 kb/s
    
    Stream #0.0: Audio: mp3, 24000 Hz, stereo, s16, 64 kb/s
    
Unable to find a suitable output format for 'sample.webm'

    This works fine on my OSX install, but on Ubuntu 14.04 I’m getting these errors.

    What do I need to do so .webm files can be the destination ?

  • Error while opening encoder for output stream #0.1 - maybe incorrect parameters such as bit_rate, rate, width or height

    9 avril 2013, par Mahmoud Khafagy

    this is my command i exec() ffmpeg -i '1.mts' -deinterlace -ar 22050 -r 25 -qmin 3 -qmax 15 '1.flv' 2>&1

    and this is output

        Array
    
  (
    
    [0] => FFmpeg version SVN-r19795, Copyright (c) 2000-2009 Fabrice Bellard, et al.
    
    [1] =>   configuration: --enable-libmp3lame --enable-libvorbis --disable-mmx --enable-shared --prefix=/usr/ --enable-gpl
    
    [2] =>   libavutil     50. 3. 0 / 50. 3. 0
    
    [3] =>   libavcodec    52.35. 0 / 52.35. 0
    
    [4] =>   libavformat   52.38. 0 / 52.38. 0
    
    [5] =>   libavdevice   52. 2. 0 / 52. 2. 0
    
    [6] =>   libswscale     0. 7. 1 /  0. 7. 1
    
    [7] =>   built on Nov 29 2012 01:11:06, gcc: 4.1.2 20080704 (Red Hat 4.1.2-52)
    
    [8] => Input #0, mpegts, from '/home/gezgin99/public_html/app/webroot/uploads/entry/wrF15QJP6qgpuFI83MO0_1365508699.mts':
    
    [9] =>   Duration: 00:00:07.81, start: 1.000067, bitrate: 21934 kb/s
    
    [10] =>   Program 1
    
    [11] =>     Stream #0.0[0x1011]: Video: h264, yuv420p, 1920x1080 [PAR 1:1 DAR 16:9], 50 tbr, 90k tbn, 50 tbc
    
    [12] =>     Stream #0.1[0x1100]: Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
    
    [13] =>     Stream #0.2[0x1200]: Subtitle: pgssub
    
    [14] => Output #0, flv, to '/home/gezgin99/public_html/app/webroot/uploads/entry/6A6PwqRI2aEdDwg2eHnf_1365508699.flv':
    
    [15] =>     Stream #0.0: Video: flv, yuv420p, 1920x1080 [PAR 1:1 DAR 16:9], q=3-15, 200 kb/s, 90k tbn, 25 tbc
    
    [16] =>     Stream #0.1: Audio: libmp3lame, 22050 Hz, 5.1, s16, 64 kb/s
    
    [17] => Stream mapping:
    
    [18] =>   Stream #0.0 -> #0.0
    
    [19] =>   Stream #0.1 -> #0.1
    
    [20] => Error while opening encoder for output stream #0.1 - maybe incorrect parameters     such as bit_rate, rate, width or height
    
 )

  • FFMPEG running in Command Line but not PHP

    17 avril 2013, par Freeman

    I am using ffmpeg build for windows to make video thumbnails . The command works well in command line but not from PHP exec method. am using PHP 5.2.11

    Here is the command.

    "E:/Documents and Settings/x/WINDOWS/ffmpeg" -itsoffset -4 -v "E:/Program Files/Apache Software Foundation/Apache2.2/htdocs/bs/files/videogal/c08c3d20eeb9083ed033577bd154cba6.flv" -vcodec mjpeg -vframes 1 -an -f rawvideo -s 320x240 "E:/Program Files/Apache Software Foundation/Apache2.2/htdocs/bs/files/gallery/8ff43b72b932d2a34e7a6733672ad4d6.jpg" 2>&1

    Can somebody help. I checked the permissions they seem fine. GD is installed.

    The error msg is 'E:/Documents' is not recognized as an internal or external command, operable program or batch file

    Am using forward slashes in my paths except when escaping double quotes

    The PHP function

    function ExtractThumb($in, $out)
    
{$path=dbconf::FFMPEG_PATH;
    
    $thumb_stdout;
    
    $errors;
    
    $retval = 0;
    
 echo $in;
    
    // Delete the file if it already exists
    
    if (file_exists($out)) { unlink($out); }
    

    
    // Use ffmpeg to generate a thumbnail from the movie
    
    $cmd = "$path -itsoffset -4 -i $in -vcodec mjpeg -vframes 1 -an -f rawvideo -s 320x240 $out 2>&1";
    
   echo $cmd;
    

    
   exec($cmd, $thumb_stdout, $retval);
    

    
    // Queue up the error for processing
    
    if ($retval != 0) { $errors[] = "FFMPEG thumbnail generation failed"; }
    

    
    if (!empty($thumb_stdout))
    
    {
    
        foreach ($thumb_stdout as $line)
    
        {
    
            echo $line . "\n";
    
        }
    
    }
    

    
    if (!empty($errors))
    
    {
    
        foreach ($errors as $error)
    
        {
    
            echo $error . "\n";
    
        }
    
    }
    
}

    funny enough if I run without the $in and $out absolute path this is what I get

    Copyright (c) 2000-2009 Fabrice Bellard, et al. configuration: --extra-cflags=-fno-common --enable-memalign-hack --enable-pthreads --enable-libmp3lame --enable-libxvid --enable-libvorbis --enable-libtheora --enable-libspeex --enable-libfaac --enable-libgsm --enable-libx264 --enable-libschroedinger --enable-avisynth --enable-swscale --enable-gpl libavutil 49.12. 0 / 49.12. 0 libavcodec 52.10. 0 / 52.10. 0 libavformat 52.23. 1 / 52.23. 1 libavdevice 52. 1. 0 / 52. 1. 0 libswscale 0. 6. 1 / 0. 6. 1 built on Jan 13 2009 02:57:09, gcc: 4.2.4 822ae86a93810dade2843e822390d723.flv: no such file or directory

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