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• vp8 : fix bilinear C code to work if src_stride != dst_stride.

  5 février 2014, par Ronald S. Bultje

  vp8 : fix bilinear C code to work if src_stride != dst_stride.
  Signed-off-by : Anton Khirnov <anton@khirnov.net>
  
  Signed-off-by : Janne Grunau <janne-libav@jannau.net>
  

  • [DBH] libavcodec/vp8dsp.c

• wav oggenc html audio -> why it deosn't work in firefox

  19 avril 2016, par ghi

  I have very strange issue. I want to play ogg files on firefox using audio tag. But when I try to run this audio, firebug reporting this error :

  Media resource http://127.0.0.1/packhorse/src/sounds/558143.ogg could not be decoded.
  
  
  
  
  
  xhr.send( ( s.hasContent && s.data ) || null );
  
  
  
  jquery-1.8.2.js (wiersz 8416)
  
  All candidate resources failed to load. Media load paused.

  I creating this ogg files from wav files generated by timidity++ using oggenc command.
  When I’m trying to open this file directly in firefox, I get black screen with grey box and the following error :

  Video can't be played becouse the file is corrupt.

  But I don’t want to play video - it’s the audio file.

  I was thought that is some mime issue as long as I realized that on chrome everything work correctly. Have you know what can couse that problems ?

  You can download audio file which I want to play on firefox from here :

  http://193.17.184.23/892643.ogg

• Rails 3 : How can I make Paperclip-FFMPEG work ?

  9 novembre 2011, par remino

  I have Rails 3.0.3 with these gems :

  • delayed_job 2.1.4
  • delayed_paperclip 0.7.1
  • paperclip 2.3.16
  • paperclip-ffmpeg 0.7.0

  (This combination is very specific. Some newer gems will not work with others.)

  Here's my Video model :

  class Video < Upload
  
    has_attached_file :file, :default_style => :view, :processors => [:ffmpeg],
  
      :url => '/system/:class/:attachment/:id/:style/:basename.:extension',
  
      :path => ':rails_root/public/system/:class/:attachment/:id/:style' \
  
        + '/:basename.:extension',
  
      :default_url => '/images/en/processing.png',
  
      :styles => {
  
        :mp4video => { :geometry => '520x390', :format => 'mp4',
  
          :convert_options => { :output => { :vcodec => 'libx264',
  
            :vpre => 'ipod640', :b => '250k', :bt => '50k',
  
            :acodec => 'libfaac', :ab => '56k', :ac => 2 } } },
  
        :oggvideo => { :geometry => '520x390', :format => 'ogg',
  
          :convert_options => { :output => { :vcodec => 'libtheora',
  
            :b => '250k', :bt => '50k', :acodec => 'libvorbis',
  
            :ab => '56k', :ac => 2 } } },
  
        :view => { :geometry => '520x390', :format => 'jpg', :time => 1 },
  
        :preview => { :geometry => '160x120', :format => 'jpg', :time => 1 }
  
      }
  
    validates_attachment_content_type :file, :content_type => VIDEOTYPES,
  
      :if => Proc.new { |upload| upload.file.file? }
  
    process_in_background :file
  
  end

  When creating a new Video object with attachment, the original is saved, but no conversion will be done. Even calling Video.last.file.reprocess! won't to a thing except returning true. (Not sure what "true" means in this case as it didn't work.)

  I tried hardcoding the path to ffmpeg in Paperclip::options[:command_path]. I even tried deleting the paperclip-ffmpeg.rb file and replacing it with a blank file. Really thinking I'd get an exception by doing the later, instead, I simply got "true" again.

  It feels like the paperclip-ffmpeg.rb is being loaded, because it is required by config/application.rb, but nothing is called in it when trying to generate a thumbnail or convert a video.

  Can anyone help me with this ? Thanks in advance !