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• ffmpeg codec error on audio file

  31 juillet 2013, par foosion

  I have some m4a files that will not play properly using the google music player app on my Android phone, although they play fine on most everything else. I thought the problem was the container and thought "ffmpeg -i bad.m4a -codec copy good.m4a" might help. However, when I run on the problem files, I get error messages. Running this command on non-problem files has not generated error messages.

  Please suggest ways to fix (other than re-encoding).

      [D:\temp\dl]ffmpeg -i "01 - The Day Begins.m4a" -codec copy day.m4a
  
  ffmpeg version N-55066-gc96b3ae Copyright (c) 2000-2013 the FFmpeg developers
  
    built on Jul 29 2013 18:05:45 with gcc 4.7.3 (GCC)
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
  
  isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
  
  le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
  
  e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
  
  ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
  
  ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
  
  eex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-libvo-
  
  amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --
  
  enable-libxvid --enable-zlib
  
    libavutil      52. 40.100 / 52. 40.100
  
    libavcodec     55. 19.100 / 55. 19.100
  
    libavformat    55. 12.102 / 55. 12.102
  
    libavdevice    55.  3.100 / 55.  3.100
  
    libavfilter     3. 82.100 /  3. 82.100
  
    libswscale      2.  4.100 /  2.  4.100
  
    libswresample   0. 17.103 /  0. 17.103
  
    libpostproc    52.  3.100 / 52.  3.100
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000002da300] stream 0, timescale not set
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '01 - The Day Begins.m4a':
  
    Metadata:
  
      major_brand     : m4a
  
      minor_version   : 0
  
      compatible_brands: M4A mp4isom
  
      creation_time   : 2003-07-06 20:27:46
  
      track           : 1
  
      genre           : Rock
  
      title           : The Day Begins
  
      artist          : Moody Blues
  
      album           : Days of Future Passed
  
      date            : 1967
  
    Duration: 00:05:50.83, start: 0.000000, bitrate: 166 kb/s
  
      Stream #0:0(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 15
  
  9 kb/s
  
      Metadata:
  
        creation_time   : 2003-07-06 20:27:46
  
        handler_name    : Apple Sound Media Handler
  
      Stream #0:1(eng): Data: none (mp4s / 0x7334706D)
  
      Metadata:
  
        creation_time   : 2003-07-06 20:27:46
  
        handler_name    : Apple MPEG-4 Scene Media Handler
  
      Stream #0:2(eng): Data: none (mp4s / 0x7334706D)
  
      Metadata:
  
        creation_time   : 2003-07-06 20:27:46
  
        handler_name    : Apple MPEG-4 ODSM Media Handler
  
      Stream #0:3: Video: png, rgb24, 240x240 [SAR 2834:2834 DAR 1:1], 90k tbr, 90
  
  k tbn, 90k tbc
  
  [ipod @ 000000000031dd40] track 0: could not find tag, codec not currently suppo
  
  rted in container
  
  Output #0, ipod, to 'day.m4a':
  
    Metadata:
  
      major_brand     : m4a
  
      minor_version   : 0
  
      compatible_brands: M4A mp4isom
  
      date            : 1967
  
      track           : 1
  
      genre           : Rock
  
      title           : The Day Begins
  
      artist          : Moody Blues
  
      album           : Days of Future Passed
  
      encoder         : Lavf55.12.102
  
      Stream #0:0: Video: png, rgb24, 240x240 [SAR 2834:2834 DAR 1:1], q=2-31, 90k
  
   tbn, 90k tbc
  
      Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, 159 kb/s
  
  
  
      Metadata:
  
        creation_time   : 2003-07-06 20:27:46
  
        handler_name    : Apple Sound Media Handler
  
  Stream mapping:
  
    Stream #0:3 -> #0:0 (copy)
  
    Stream #0:0 -> #0:1 (copy)
  
  Could not write header for output file #0 (incorrect codec parameters ?): Error
  
  number -1 occurred

• flvEncoder .flv output won't convert to .mp4 with ffmpeg

  31 juillet 2013, par Emma Assin

  My current project involves creating a .flv using AIR (using https://github.com/zeropointnine/leelib/tree/master/src/leelib/util/flvEncoder) - which then has to be converted into an .mp4, for which we are using ffmpeg.

  The .mp4 output is the correct dimensions and duration, but blank (no images). Audio is not an issue as the original output has no audio.

  ffmpeg version N-55020-g768e40b Copyright (c) 2000-2013 the FFmpeg developers
  
    built on Jul 28 2013 18:05:44 with gcc 4.7.3 (GCC)
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --e
  
  nable-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 --enab
  
  le-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheo
  
  ra --enable-libtwolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --en
  
  able-libxavs --enable-libxvid --enable-zlib
  
    libavutil      52. 40.100 / 52. 40.100
  
    libavcodec     55. 19.100 / 55. 19.100
  
    libavformat    55. 12.102 / 55. 12.102
  
    libavdevice    55.  3.100 / 55.  3.100
  
    libavfilter     3. 81.103 /  3. 81.103
  
    libswscale      2.  4.100 /  2.  4.100
  
    libswresample   0. 17.103 /  0. 17.103
  
    libpostproc    52.  3.100 / 52.  3.100
  
  Input #0, flv, from 'testWithAudio.flv':
  
    Metadata:
  
      canSeekToEnd    : true
  
      metadatacreator : FlvEncoder v0.9 Lee Felarca
  
    Duration: 00:00:44.77, start: 0.000000, bitrate: 56730 kb/s
  
      Stream #0:0: Video: flashsv, bgr24, 400x400, 30 tbr, 1k tbn, 1k tbc
  
      Stream #0:1: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
  
  No pixel format specified, yuv444p for H.264 encoding chosen.
  
  Use -pix_fmt yuv420p for compatibility with outdated media players.
  
  [libx264 @ 00000000002e1da0] using cpu capabilities: MMX2 SSE2Fast SSEMisalign LZCNT
  
  [libx264 @ 00000000002e1da0] profile High 4:4:4 Predictive, level 2.1, 4:4:4 8-bit
  
  [libx264 @ 00000000002e1da0] 264 - core 135 r2345 f0c1c53 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan
  
  .org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_
  
  range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=1 lookahead_threads=1 sl
  
  iced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 dire
  
  ct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=
  
  23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
  
  Output #0, mp4, to 'testWithAudio.mp4':
  
    Metadata:
  
      canSeekToEnd    : true
  
      metadatacreator : FlvEncoder v0.9 Lee Felarca
  
      encoder         : Lavf55.12.102
  
      Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv444p, 400x400, q=-1--1, 15360 tbn, 30 tbc
  
      Stream #0:1: Audio: aac (libvo_aacenc) ([64][0][0][0] / 0x0040), 44100 Hz, stereo, s16, 128 kb/s
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (flashsv -> libx264)
  
    Stream #0:1 -> #0:1 (pcm_s16le -> libvo_aacenc)
  
  Press [q] to stop, [?] for help
  
  frame= 1343 fps= 25 q=29.0 Lsize=    2680kB time=00:00:44.70 bitrate= 491.2kbits/s
  
  video:1943kB audio:691kB subtitle:0 global headers:0kB muxing overhead 1.756713%
  
  [libx264 @ 00000000002e1da0] frame I:25    Avg QP:20.44  size: 14523
  
  [libx264 @ 00000000002e1da0] frame P:614   Avg QP:23.20  size:  2319
  
  [libx264 @ 00000000002e1da0] frame B:704   Avg QP:24.59  size:   287
  
  [libx264 @ 00000000002e1da0] consecutive B-frames: 25.6% 11.0%  7.4% 56.0%
  
  [libx264 @ 00000000002e1da0] mb I  I16..4: 17.6% 67.0% 15.3%
  
  [libx264 @ 00000000002e1da0] mb P  I16..4:  7.6%  9.9%  0.8%  P16..4: 28.0%  8.3%  4.0%  0.0%  0.0%    skip:41.4%
  
  [libx264 @ 00000000002e1da0] mb B  I16..4:  0.4%  0.5%  0.0%  B16..8: 16.3%  1.1%  0.1%  direct: 0.2%  skip:81.4%  L0:39.7% L
  
  1:57.4% BI: 2.8%
  
  [libx264 @ 00000000002e1da0] 8x8 transform intra:56.3% inter:85.5%
  
  [libx264 @ 00000000002e1da0] coded y,u,v intra: 35.7% 17.0% 19.1% inter: 7.7% 3.8% 3.4%
  
  [libx264 @ 00000000002e1da0] i16 v,h,dc,p: 26% 28% 17% 30%
  
  [libx264 @ 00000000002e1da0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 21% 33%  4%  4%  5%  4%  4%  4%
  
  [libx264 @ 00000000002e1da0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 25% 21% 16%  5%  6%  9%  6%  6%  6%
  
  [libx264 @ 00000000002e1da0] Weighted P-Frames: Y:6.5% UV:3.3%
  
  [libx264 @ 00000000002e1da0] ref P L0: 56.8% 16.5% 18.2%  8.0%  0.6%
  
  [libx264 @ 00000000002e1da0] ref B L0: 82.3% 14.1%  3.7%
  
  [libx264 @ 00000000002e1da0] ref B L1: 93.7%  6.3%
  
  [libx264 @ 00000000002e1da0] kb/s:355.47

  Any ideas ?

• Paperclip-ffmpeg not working on Rails

  28 juillet 2013, par Lee7355512727

  I installed Paperclip-ffmpeg and tried to upload a flv file, but it seems there are some problems converting the file.

  I added Paperclip.options[:command_path] = "/usr/bin/" (I got the path by using which ffmpeg) to my config/environments/development.rb file, following the instructions on the paperclip-ffmpeg github page.

  Here is my model subquestion.rb, which contains a paperclip field called qflv :

  class Subquestion < ActiveRecord::Base
  
      belongs_to :question
  
      has_many :qimages , :dependent =>  :destroy
  
  
  
      has_attached_file :qflv, styles: {
  
          medium: {geometry: "640*480", format: 'flv'},
  
          thumb: {geometry: "100*100#", format: 'jpg', time: 10}
  
      }, processors: [:ffmpeg]

  And here is my _subquestion_fields.html.erb file, where users upload videos :

  <%= f.file_field :qflv %>

  _subquestion_fields.html.erb is rendered by question.html.erb file :

  <%= nested_form_for @question, :url => {:action => 'create_question'} do |f| %>
  
         <%= f.fields_for :subquestions do |builder| %>
  
         <%= render 'subquestion_fields', :f => builder %>

  And here is part of the error message :

  WARNING: gnome-keyring:: couldn't connect to: /run/user/li/keyring-CsW4u8/pkcs11: No such file or directory
  
  ffmpeg version 0.8.6-6:0.8.6-1ubuntu2, Copyright (c) 2000-2013 the Libav developers
  
    built on Mar 30 2013 22:23:21 with gcc 4.7.2
  
  *** THIS PROGRAM IS DEPRECATED ***
  
  This program is only provided for compatibility and will be removed in a future release. Please use avconv instead.
  
  [flv @ 0x8ba50a0] Estimating duration from bitrate, this may be inaccurate
  
  Input #0, flv, from '/tmp/03000201005171FC8274A20623ECA86B119768-56C7-7A62-DB7A-A4B599F64EE720130727-1837-13757l9.flv':
  
    Metadata:
  
      metadatacreator : modified by youku.com in 20111202
  
      hasKeyframes    : true
  
      hasVideo        : true
  
      hasAudio        : true
  
      hasMetadata     : true
  
    Duration: 00:05:25.03, start: 0.000000, bitrate: N/A
  
      Stream #0.0: Video: h264 (High), yuv420p, 448x336 [PAR 1:1 DAR 4:3], 15 tbr, 1k tbn, 30 tbc
  
      Stream #0.1: Audio: aac, 44100 Hz, stereo, s16
  
  Incorrect frame size
  
  Failed to set value '0x0' for option 's'
  
  WARNING: gnome-keyring:: couldn't connect to: /run/user/li/keyring-CsW4u8/pkcs11: No such file or directory
  
  ffmpeg version 0.8.6-6:0.8.6-1ubuntu2, Copyright (c) 2000-2013 the Libav developers
  
    built on Mar 30 2013 22:23:21 with gcc 4.7.2
  
  *** THIS PROGRAM IS DEPRECATED ***
  
  This program is only provided for compatibility and will be removed in a future release. Please use avconv instead.
  
  [flv @ 0x86490a0] Estimating duration from bitrate, this may be inaccurate
  
  Input #0, flv, from '/tmp/03000201005171FC8274A20623ECA86B119768-56C7-7A62-DB7A-A4B599F64EE720130727-1837-13757l9.flv':
  
    Metadata:
  
      metadatacreator : modified by youku.com in 20111202
  
      hasKeyframes    : true
  
      hasVideo        : true
  
      hasAudio        : true
  
      hasMetadata     : true
  
    Duration: 00:05:25.03, start: 0.000000, bitrate: N/A
  
      Stream #0.0: Video: h264 (High), yuv420p, 448x336 [PAR 1:1 DAR 4:3], 15 tbr, 1k tbn, 30 tbc
  
      Stream #0.1: Audio: aac, 44100 Hz, stereo, s16
  
  Incompatible pixel format 'yuv420p' for codec 'mjpeg', auto-selecting format 'yuvj420p'
  
  [buffer @ 0x864c180] w:448 h:336 pixfmt:yuv420p
  
  [scale @ 0x8653840] w:448 h:336 fmt:yuv420p -> w:448 h:336 fmt:yuvj420p flags:0x4
  
  [crop @ 0x864dc20] w:448 h:336 -> w:0 h:0
  
  [crop @ 0x864dc20] Invalid too big or non positive size for width '0' or height '0'
  
  Error opening filters!
  
  
  
  
  
  Started POST "/test_geisinger/roots/questions/create" for 127.0.0.1 at 2013-07-27 23:12:31 -0400
  
  Processing by RootsController#create_question as HTML
  
    Parameters: {"utf8"=>"✓", "authenticity_token"=>"EiJk5dBf1nL96BtUiKc0qALCg0Bj9mQ0dx9IodfYdO0=", "question"=>{"explanation"=>"flv", "choice_id"=>"8", "correct_selection_id"=>"32", "quiz_id"=>"10", "subquestions_attributes"=>{"0"=>{"subquestion_type"=>"flv", "_destroy"=>"false", "qflv"=>#x-flv\r\n", @tempfile=#tmp/RackMultipart20130727-1837-1f6g2s0>>}}}, "commit"=>"Submit"}
  
  [paperclip] [ffmpeg] ffmpeg -i "/tmp/03000201005171FC8274A20623ECA86B119768-56C7-7A62-DB7A-A4B599F64EE720130727-1837-13757l9.flv" 2>&1
  
  [paperclip] [ffmpeg] Command Success
  
  [paperclip] [ffmpeg] Making...
  
  [paperclip] [ffmpeg] Building Destination File: '03000201005171FC8274A20623ECA86B119768-56C7-7A62-DB7A-A4B599F64EE720130727-1837-13757l9' + 'flv'
  
  [paperclip] [ffmpeg] Destination File Built
  
  [paperclip] [ffmpeg] Adding Geometry
  
  [paperclip] [ffmpeg] Extracting Target Dimensions
  
  [paperclip] [ffmpeg] Target Size is Available
  
  [paperclip] [ffmpeg] Keeping Aspect Ratio
  
  [paperclip] [ffmpeg] Resize
  
  [paperclip] [ffmpeg] Convert Options: 0x0
  
  [paperclip] [ffmpeg] Adding Format
  
  [paperclip] [ffmpeg] Adding Source
  
  [paperclip] [ffmpeg] Building Parameters
  
  [paperclip] [ffmpeg] -i :source -s 0x0 -y :dest
  
  Command :: ffmpeg -i '/tmp/03000201005171FC8274A20623ECA86B119768-56C7-7A62-DB7A-A4B599F64EE720130727-1837-13757l9.flv' -s 0x0 -y '/tmp/03000201005171FC8274A20623ECA86B119768-56C7-7A62-DB7A-A4B599F64EE720130727-1837-13757l920130727-1837-11o3enh.flv'
  
  [paperclip] An error was received while processing: #tmp/03000201005171FC8274A20623ECA86B119768-56C7-7A62-DB7A-A4B599F64EE720130727-1837-13757l9.flv' -s 0x0 -y '/tmp/03000201005171FC8274A20623ECA86B119768-56C7-7A62-DB7A-A4B599F64EE720130727-1837-13757l920130727-1837-11o3enh.flv'' returned 1. Expected 0

  There might be some problems with pkcs11 so I found this article :

  https://bugzilla.redhat.com/show_bug.cgi?id=783568

  But I could not find /etc/xdg/autostart/gnome-keyring-*.desktop.

  Thank you !