Merge remote-tracking branch 'origin/master'

Weblate
2 parents 355657b7 e1ab2910
Showing 30 changed files with 2311 additions and 36 deletions Show diff stats
app/helpers/tags_helper.rb
app/models/uploaded_file.rb
features/step_definitions/noosfero_steps.rb
lib/file_presenter.rb
lib/noosfero/plugin/settings.rb
plugins/html5_video/features/video_player.feature
plugins/html5_video/lib/file_presenter/video.rb
plugins/html5_video/lib/html5_video_plugin.rb
plugins/html5_video/lib/html5_video_plugin/create_video_for_web_job.rb
plugins/html5_video/lib/html5_video_plugin/create_video_preview_job.rb
plugins/html5_video/lib/html5_video_plugin/ffmpeg.rb
plugins/html5_video/lib/html5_video_plugin/video_channel.rb
plugins/html5_video/lib/presenters/video.rb
plugins/html5_video/po/html5_video.pot
plugins/html5_video/po/pt/html5_video.po
plugins/html5_video/public/images/video-preview-big.png
plugins/html5_video/public/images/video-preview-thumb.png
plugins/html5_video/public/style.css
plugins/html5_video/public/video-channel.js
plugins/html5_video/test/download_fixture.rb
@@ -67,4 +67,17 @@ module TagsHelper
     end.join("\n").html_safe
   end
+  def linked_article_tags(article)
+    if @profile
+      # We are rendering a page inside a profile, so link to the profile tag search.
+      url = { :controller => 'profile', :profile => @profile.identifier, :action => 'tags' }
+      tagname_option = :id
+    else
+      # We are rendering a page outside a profile, so link to the global tag search.
+      url = { :action => 'tag' }
+      tagname_option = :tag
+    end
+    article.tags.map { |t| link_to(t, url.merge(tagname_option=>t.name) ) }.join("\n")
+  end
+
 end
@@ -9,6 +9,12 @@ class UploadedFile &lt; Article
   attr_accessible :uploaded_data, :title
+  include Noosfero::Plugin::HotSpot
+
+  def environment
+    profile.environment
+  end
+
   def self.type_name
     _('File')
   end
@@ -118,6 +118,7 @@ Given /^the following (articles|events|blogs|folders|forums|galleries|uploaded f
     language = item.delete("language")
     category = item.delete("category")
     filename = item.delete("filename")
+    mime = item.delete("mime") || 'binary/octet-stream'
     translation_of_id = nil
     if item["translation_of"]
       if item["translation_of"] != "nil"
@@ -131,7 +132,7 @@ Given /^the following (articles|events|blogs|folders|forums|galleries|uploaded f
       :language => language,
       :translation_of_id => translation_of_id)
     if !filename.blank?
-      item.merge!(:uploaded_data => fixture_file_upload("/files/#{filename}", 'binary/octet-stream'))
+      item.merge!(:uploaded_data => fixture_file_upload("/files/#{filename}", mime))
     end
     result = klass.new(item)
     if !parent.blank?
@@ -366,6 +367,10 @@ Then /^The page should not contain &quot;(.*)&quot;$/ do |selector|
   page.should have_no_css("#{selector}")
 end
+Then /^The page should contain only (\d+) "(.*)"$/ do |count, selector|
+  page.should have_css(selector, :count => count)
+end
+
 Given /^the mailbox is empty$/ do
   ActionMailer::Base.deliveries = []
 end
@@ -653,6 +658,15 @@ Given /^the environment is configured to (.*) after signup$/ do |option|
   environment.save
 end
+When /^I click "(.*?)"$/ do |selector|
+  find(selector).click
+end
+
+Then /^the element "(.*)" has class "(.*)"$/ do |el_selector, el_class|
+  class_list = find(el_selector)[:class].split(' ')
+  class_list.should include(el_class)
+end
+
 When /^wait for the captcha signup time$/ do
   environment = Environment.default
   sleep environment.min_signup_delay + 1
@@ -671,3 +685,7 @@ Given /^the field (.*) is public for all users$/ do |field|
     person.save!
   end
 end
+
+When(/^I press "(.*?)" by selector$/) do |selector|
+   page.execute_script("jQuery('#{selector}').click();")
+end
@@ -124,3 +124,8 @@ end
 Dir.glob(File.join('app', 'presenters', '*.rb')) do |file|
   load file
 end
+
+# Preload FilePresenters from plugins to allow `FilePresenter.for()` to work
+Dir.glob(File.join('plugins', '*', 'lib', 'presenters', '*.rb')) do |file|
+  load file
+end
@@ -10,7 +10,8 @@ class Noosfero::Plugin::Settings
   end
   def settings
-    @base.settings["#{@plugin.public_name}_plugin".to_sym] ||= {}
+    settings_field = @base.class.settings_field
+    @base.send(settings_field)["#{@plugin.public_name}_plugin".to_sym] ||= {}
   end
   def method_missing(method, *args, &block)
@@ -0,0 +1,20 @@
+Feature: video player
+  As a noosfero visitor
+  I want to view a video page and play it
+
+  Background:
+    Given plugin Html5Video is enabled on environment
+    And the following users
+      | login     | name       |
+      | joaosilva | Joao Silva |
+    And the following uploaded files
+      | owner     | filename                | mime       |
+      | joaosilva | ../videos/old-movie.mpg | video/mpeg |
+    And there are no pending jobs
+
+  @selenium
+  Scenario: controls must work
+    Given I am on /joaosilva/old-movie.mpg?view=true
+    Then The page should contain only 2 ".video-player .quality li.ui-button"
+    When I click ".video-player .video-box .zoom"
+    Then the element ".video-player" has class "zoom-in"
@@ -1,10 +0,0 @@
-class FilePresenter::Video < FilePresenter
-  def self.accepts?(f)
-    return nil if !f.respond_to?(:content_type) || f.content_type.nil?
-    ( f.content_type[0..4] == 'video' ) ? 10 : nil
-  end
-
-  def short_description
-    _('Video (%s)') % content_type.split('/')[1].upcase
-  end
-end
 class Html5VideoPlugin < Noosfero::Plugin
-  FilePresenter::Video
-
   def self.plugin_name
     "HTML5 Video"
   end
+  def stylesheet?
+    true
+  end
+
+  def js_files
+    ['video-channel.js']
+  end
+
   def self.plugin_description
     _("A plugin to enable the video suport, with auto conversion for the web.")
   end
+  def content_types
+    [Html5VideoPlugin::VideoChannel]
+  end
+
+  def view_page_layout(controller, page)
+    if FilePresenter.for(page).is_a? FilePresenter::Video and controller.params[:display] == 'iframe'
+      'html5_video_plugin_iframe'
+    end
+  end
+
+  def uploaded_file_after_create_callback(uploaded_file)
+    full_filename = uploaded_file.full_filename
+    file_presenter = FilePresenter.for(uploaded_file)
+    if file_presenter.is_a? FilePresenter::Video
+      job = Html5VideoPlugin::CreateVideoPreviewJob.new
+      job.file_type = uploaded_file.class.name
+      job.file_id = uploaded_file.id
+      job.full_filename = full_filename
+      Delayed::Job.enqueue job, priority: 10
+      [
+        [:OGV,  :tiny, 11],
+        [:WEBM, :tiny, 12],
+        [:OGV,  :nice, 13],
+        [:WEBM, :nice, 14],
+      ].each do |format, size, priority|
+        job = Html5VideoPlugin::CreateVideoForWebJob.new
+        job.file_type = uploaded_file.class.name
+        job.file_id = uploaded_file.id
+        job.full_filename = full_filename
+        job.format = format
+        job.size = size
+        Delayed::Job.enqueue job, priority: priority
+      end
+    end
+  end
 end
@@ -0,0 +1,161 @@
+class Html5VideoPlugin::CreateVideoForWebJob
+
+  # TODO: we must to add timeout to ffmpeg to allow this object to set this on error:
+  # @video.video_info[:conversion] = :timeout
+  # TODO: must remove web folder when delete the video
+
+  attr_accessor :file_type, :file_id, :full_filename, :format, :size
+
+  def perform
+    return unless file_type.constantize.exists?(file_id)
+    @ffmpeg = Html5VideoPlugin::Ffmpeg.new
+
+    @video = FilePresenter.for file_type.constantize.find(file_id)
+    throw "Expected file #{file_id} to be a video" unless @video.is_a?(FilePresenter::Video)
+
+    @video_file = full_filename
+
+    @info = @ffmpeg.get_video_info @video_file
+
+    if @info[:error][:code] == 0
+      @video.original_video = @info.except :output
+      register_conv_status 'started'
+      @video.save!
+    else
+      register_conv_status 'error reading'
+      register_conv_error @info[:error]
+      @video.save!
+      Rails.logger.error "FFmpeg ERROR while reading '#{@video_file}': #{@info[:error][:message]}"
+      return
+    end
+    
+    @orig_size = @info.video_stream[0][:size]
+    @brate = @info.video_stream[0][:bitrate] || @info[:global_bitrate] || 400
+
+    convert_to_tiny if size == :tiny
+    convert_to_nice if size == :nice
+    @video.save!
+    1
+  end
+
+  def register_conv_status( status )
+    @video.web_versions[format] ||= {}
+    @video.web_versions[format][size] ||= {}
+    @video.web_versions[format][size][:status] = status
+    @video.save!
+  end
+
+  def register_conv_conf( conf )
+    @video.web_versions[format] ||= {}
+    @video.web_versions[format][size] ||= {}
+    @video.web_versions[format][size].merge! conf
+    @video.save!
+  end
+
+  def register_conv_error( error )
+    @video.web_versions[format] ||= {}
+    @video.web_versions[format][size] ||= {}
+    @video.web_versions[format][size][:error] = error
+    @video.save!
+  end
+
+  def is_ogv
+    @info[:type] == 'ogv' &&
+    @info.video_stream[0][:codec] == 'theora' &&
+    @info.audio_stream[0][:codec] == 'vorbis'
+  end
+
+  def is_mp4
+    @info[:type] == 'mp4' &&
+    @info.video_stream[0][:codec] == 'libx264' &&
+    @info.audio_stream[0][:codec] == 'libfaac'
+  end
+
+  def is_webm
+    @info[:type] == 'webm' &&
+    @info.video_stream[0][:codec] == 'libvpx'
+  end
+
+  def register_conversion response
+    conf = response[:conf].clone
+    if response[:error][:code] == 0
+      conf[:path] = conf[:out].sub /^.*(\/articles)/, '\1'
+      conf.delete :in
+      conf.delete :out
+      register_conv_conf conf
+      register_conv_status 'done'
+      @video.save!
+    else
+      register_conv_status 'error converting'
+      register_conv_conf conf
+      error = response[:error].clone
+      error[:output] = response[:output]
+      register_conv_error error
+      Rails.logger.error "FFmpeg ERROR while converting '#{conf[:in]}' to #{conf[:type]}: #{response[:error][:message]}"
+    end
+  end
+
+  def is_big
+    @orig_size[:w] > 400 || @brate >= 400
+  end
+
+  def is_toobig
+    @orig_size[:w] > 600
+  end
+
+  # The smaller version for slow connections
+  def convert_to_tiny
+    audio_stream = @video.original_video[:streams].find{|s| s[:type] == 'audio'}
+    abrate = audio_stream.nil? ? 64 : audio_stream[:bitrate] || 64
+    abrate = 64 if abrate > 64
+    conf = { :size_name=>'tiny', :in=>@video_file,
+             :fps=>12, :vbrate=>250, :abrate=>abrate }
+    if is_big
+      # Low weight video dimension for each Aspect Ratio:
+      #  * 320x240 for 4:3
+      #  * 320x180 for 16:9
+      # This are Best and Good values with the same width based on this page:
+      # http://www.flashsupport.com/books/fvst/files/tools/video_sizes.html
+      h = ( 320.0 / (@orig_size[:w].to_f/@orig_size[:h].to_f) ).round
+      h -= 1 if h % 2 == 1
+      size = { :w=>320, :h=>h }
+      conf[:size] = size
+    end
+    if format == :OGV && ( is_big || ! is_ogv )
+      conf[:file_name] = 'tiny.ogv'
+      register_conversion @ffmpeg.make_ogv_for_web(conf)
+    end
+    if format == :WEBM && ( is_big || ! is_webm )
+      conf[:file_name] = 'tiny.webm'
+      register_conversion @ffmpeg.make_webm_for_web(conf)
+    end
+  end
+
+  # The nicer common version
+  def convert_to_nice
+    if is_toobig
+      # Max video dimension for each Aspect Ratio:
+      #  * 576x432 for 4:3
+      #  * 576x324 for 16:9
+      # This are Best and Good values with the same width based on this page:
+      # http://www.flashsupport.com/books/fvst/files/tools/video_sizes.html
+      # Width 640 has Better result to 16:9, but that will also make bigger
+      # file weight.
+      h = ( 576.0 / (@orig_size[:w].to_f/@orig_size[:h].to_f) ).round
+      size = { :w=>576, :h=>h.to_i }
+      conf = { :in=>@video_file, :size=>size, :vbrate=>@brate }
+    else
+      conf = { :in=>@video_file, :vbrate=>@brate }
+    end
+    conf[:size_name] = 'nice'
+    if format == :OGV && ( is_toobig || ! is_ogv )
+      conf[:file_name] = 'nice.ogv'
+      register_conversion @ffmpeg.make_ogv_for_web(conf)
+    end
+    if format == :WEBM && ( is_toobig || ! is_webm )
+      conf[:file_name] = 'nice.webm'
+      register_conversion @ffmpeg.make_webm_for_web(conf)
+    end
+  end
+
+end
@@ -0,0 +1,27 @@
+class Html5VideoPlugin::CreateVideoPreviewJob
+
+  attr_accessor :file_type, :file_id, :full_filename
+
+  def perform
+    return unless file_type.constantize.exists?(file_id)
+    ffmpeg = Html5VideoPlugin::Ffmpeg.new
+
+    video = FilePresenter.for file_type.constantize.find(file_id)
+    throw "Expected file #{file_id} to be a video" unless video.is_a? FilePresenter::Video
+
+    video_file = full_filename
+
+    response = ffmpeg.video_thumbnail(video_file)
+
+    if response.kind_of?(Hash) && response[:error] && response[:error][:code] != 0
+      video.previews = :fail
+      video.save!
+      Rails.logger.error "ERROR while generating '#{video_file}' image preview: #{response[:error][:message]}"
+      return
+    end
+
+    video.previews = response
+    video.save!
+  end
+
+end
@@ -0,0 +1,354 @@
+# Works for ffmpeg version 2.8.6-1~bpo8 shiped by Debian Jessie Backports
+# https://packages.debian.org/jessie-backports/ffmpeg
+# Add this line to your /etc/apt/sources.list:
+# deb http://http.debian.net/debian jessie-backports main
+# then: aptitude install ffmpeg
+class Html5VideoPlugin::Ffmpeg
+
+  def run(*parameters)
+    parameters = parameters.flatten
+    cmd = ['ffmpeg'] + parameters.map do |p|
+      p.kind_of?(Symbol) ? '-'+p.to_s : p.to_s
+    end
+    io = IO.popen({'LANG'=>'C.UTF-8'}, cmd, err: [:child, :out])
+    output = io.read
+    io.close
+    response = {
+      error: { :code => 0, :message => '' },
+      parameters: parameters,
+      output: output
+    }
+    if $?.exitstatus != 0 then
+      if $?.exitstatus == 127 then
+        throw 'There is no FFmpeg installed!'
+      end
+      response[:error][:code] = -1
+      response[:error][:message] = _('Unknow error')
+      if match = /\n\s*([^\n]*): No such file or directory\s*\n/i.match(output)
+        response[:error][:code] = 1
+        response[:error][:message] = _('No such file or directory "%s".') % match[1]
+      elsif output =~ /At least one output file must be specified/i
+        response[:error][:code] = 2
+        response[:error][:message] = _('No output defined.')
+      elsif match = /\n\s*Unknown encoder[\s']+([^\s']+)/i.match(output)
+        response[:error][:code] = 3
+        response[:error][:message] = _('Unknown encoder "%s".') % match[1]
+      elsif output =~ /\n\s*Error while opening encoder for output/i
+        response[:error][:code] = 4
+        response[:error][:message] = _('Error while opening encoder for output - maybe incorrect parameters such as bit rate, frame rate, width or height.')
+      elsif match = /\n\s*Could not open '([^\s']+)/i.match(output)
+        response[:error][:code] = 5
+        response[:error][:message] = _('Could not open "%s".') % match[1]
+      elsif match = /\n\s*Unsupported codec (.*) for (.*) stream (.*)/i.match(output)
+        response[:error][:code] = 6
+        response[:error][:message] = _('Unsupported codec %{codec} for %{act} stream %{id}.') %
+                                      { :codec=>match[1], :act=>match[2], :id=>match[3] }
+      elsif output =~ /Unable to find a suitable output format/i
+        response[:error][:code] = 7
+        response[:error][:message] = _('Unable to find a suitable output format for %{file}.') %
+                                      { :file=>parameters[-1] }
+      elsif output =~ /Invalid data found when processing input/i
+        response[:error][:code] = 8
+        response[:error][:message] = _('Invalid data found when processing input.')
+      end
+    end
+    return response
+  end
+
+  def register_information
+    response = self.run(:formats)[:output]
+    @@version = /^\s*FFmpeg version ([0-9.]+)/i.match(response)[1]
+    @@formats = {}
+    response.split('--')[-1].strip.split("\n").each do |line|
+      if pieces = / (.)(.) ([^\s]+)\s+([^\s].*)/.match(line)
+        @@formats[pieces[3].to_sym] = {
+          demux: ( pieces[1] == 'D' ),
+          mux:   ( pieces[2] == 'E' ),
+          description: pieces[4].strip
+        }
+      end
+    end
+    response = self.run(:codecs)[:output]
+    @@codecs = {}
+    response.split('--')[-1].strip.split("\n").each do |line|
+      if pieces = / (.)(.)(.)(.)(.)(.) ([^\s]+)\s+([^\s].*)/.match(line)
+        @@codecs[pieces[7].to_sym] = {
+          decode:           ( pieces[1] == 'D' ),
+          encode:           ( pieces[2] == 'E' ),
+          draw_horiz_band:  ( pieces[4] == 'S' ),
+          direct_rendering: ( pieces[5] == 'D' ),
+          wf_trunc:         ( pieces[6] == 'T' ),
+          type: (
+            if    pieces[3] == 'V'; :video
+            elsif pieces[3] == 'A'; :audio
+            elsif pieces[3] == 'S'; :subtitle
+            else :unknown; end
+          ),
+          description:      pieces[8].strip
+        }
+      end
+    end
+    {
+      version: @@version,
+      formats: @@formats,
+      codecs:  @@codecs
+    }
+  end
+
+  def timestr_to_secs str
+    return nil if ! /^[0-9]{2}:[0-9]{2}:[0-9]{2}$/.match str
+    t = str.split(':').map(&:to_i)
+    t[0]*60*60 + t[1]*60 + t[2]
+  end
+
+  def get_stream_info(stream_str)
+    stream_info = { :type => 'undefined' }
+    stream_info[:type] = 'video' if / Video:/.match(stream_str)
+    stream_info[:type] = 'audio' if / Audio:/.match(stream_str)
+    {
+      id:        [ /^\s*Stream ([^:(]+)/             ],
+      codec:     [ / (?:Audio|Video):\s*([^,\s]+)/x  ],
+      bitrate:   [ / ([0-9]+) kb\/s\b/      , :to_i  ],
+      frequency: [ / ([0-9]+) Hz\b/         , :to_i  ],
+      channels:  [ / ([0-9]+) channels\b/   , :to_i  ],
+      framerate: [ / ([0-9.]+) (fps|tbr)\b/ , :to_f  ],
+      size:      [ / ([0-9]+x[0-9]+)[, ]/            ],
+    }.each do |att, params|
+      re = params[0]
+      method = params[1] || :strip
+      if match = re.match(stream_str) then
+        stream_info[att] = match[1].send(method)
+      end
+    end
+    if stream_info[:size]
+      size_array = stream_info[:size].split('x').map{|s| s.to_i}
+      stream_info[:size] = { :w=>size_array[0], :h=>size_array[1] }
+    end
+    stream_info
+  end
+
+  def webdir_for_original_video(video)
+    webdir = File.dirname(video) +'/web'
+    Dir.mkdir(webdir) if ! File.exist?(webdir)
+    webdir
+  end
+
+  def valid_abrate_for_web(info)
+    if brate = info.audio_stream[0][:bitrate]
+      brate = 8 if brate < 8
+      (brate>128)? 128 : brate
+    else
+      48
+    end
+  end
+
+  def valid_vbrate_for_web(info)
+    if brate = info.video_stream[0][:bitrate] || info[:global_bitrate]
+      brate = 128 if brate < 128
+      (brate>1024)? 1024 : brate
+    else
+      400
+    end
+  end
+
+  def valid_size_for_web(info)
+    orig_size = info.video_stream[0][:size]
+    if info.video_stream[0][:size][:w] > 640
+      h = 640.0 / (orig_size[:w].to_f/orig_size[:h].to_f)
+      { :w=>640, :h=>h.to_i }
+    else
+      { :w=>orig_size[:w].to_i, :h=>orig_size[:h].to_i }
+    end
+  end
+
+  def validate_conversion_conf_for_web(conf, file_type)
+    conf = conf.clone
+    if conf[:abrate].nil? || conf[:vbrate].nil? || conf[:size].nil?
+      info = get_video_info(conf[:in])
+      if info[:error][:code] == 0
+        conf[:abrate] ||= valid_abrate_for_web info
+        conf[:vbrate] ||= valid_vbrate_for_web info
+        conf[:size] ||= valid_size_for_web info
+      end
+    end
+    result_dir = webdir_for_original_video conf[:in]
+    size_str = "#{conf[:size][:w]}x#{conf[:size][:h]}"
+    unless conf[:file_name]
+      conf[:file_name] = "#{size_str}_#{conf[:vbrate]}.#{file_type}"
+    end
+    conf[:out] = result_dir+'/'+conf[:file_name]
+    conf
+  end
+
+  public
+
+  def get_video_info(file)
+    response = self.run :i, file
+    if response[:error][:code] == 2
+      # No output is not an error on this context
+      response[:error][:code] = 0
+      response[:error][:message] = _('Success.')
+    end
+    response[:metadata] = {}
+    {
+      author:  /\n\s*author[\t ]*:([^\n]*)\n/i,
+      title:   /\n\s*title[\t ]*:([^\n]*)\n/i,
+      comment: /\n\s*comment[\t ]*:([^\n]*)\n/i
+    }.each do |att, re|
+      if match = re.match(response[:output]) then
+        response[:metadata][att] = match[1].strip
+      end
+    end
+    {
+      type:           /\nInput #0, ([a-z0-9]+), from/,
+      duration:       /\n\s*Duration:[\t ]*([0-9:]+)[^\n]* bitrate:/,
+      global_bitrate: /\n\s*Duration:[^\n]* bitrate:[\t ]*([0-9]+)/
+    }.each do |att, re|
+      if match = re.match(response[:output]) then
+        response[att] = match[1].strip
+      end
+    end
+    response[:duration] = timestr_to_secs response[:duration]
+    response[:global_bitrate] = response[:global_bitrate].to_i
+    response[:streams] = []
+    response[:output].split("\n").grep(/^\s*Stream /).each do |stream|
+      response[:streams] << get_stream_info(stream)
+    end
+    def response.video_stream
+      self[:streams].select {|s| s[:type] == 'video' }
+    end
+    def response.audio_stream
+      self[:streams].select {|s| s[:type] == 'audio' }
+    end
+    return response
+  end
+
+  def convert2ogv(conf)
+    conf[:type] = :OGV
+    conf[:vbrate] ||= 600
+    parameters = [ :i, conf[:in], :y, :'b:v', "#{conf[:vbrate]}k",
+                   :f, 'ogg', :acodec, 'libvorbis', :vcodec, 'libtheora'
+                 ]
+    parameters << :s << "#{conf[:size][:w]}x#{conf[:size][:h]}" if conf[:size]
+    parameters << :'b:a' << "#{conf[:abrate]}k" if conf[:abrate]
+    # Vorbis dá pau com -ar 8000Hz ???
+    parameters << :r << conf[:fps]           if conf[:fps]
+    parameters << conf[:out]
+    response = self.run parameters
+    response[:conf] = conf
+    response
+  end
+
+  def convert2mp4(conf)
+    conf[:type] = :MP4
+    conf[:vbrate] ||= 600
+    parameters = [ :i, conf[:in], :y, :'b:v', "#{conf[:vbrate]}k",
+                   :preset, 'slow', :f, 'mp4', :acodec, 'aac', :vcodec, 'libx264',
+                   :strict, '-2'
+                 ]
+    parameters << :s << "#{conf[:size][:w]}x#{conf[:size][:h]}" if conf[:size]
+    parameters << :'b:a' << "#{conf[:abrate]}k" if conf[:abrate]
+    parameters << :r << conf[:fps]           if conf[:fps]
+    parameters << conf[:out]
+    response = self.run parameters
+    response[:conf] = conf
+    response
+  end
+
+  def convert2webm(conf)
+    conf[:type] = :WEBM
+    conf[:vbrate] ||= 600
+    parameters = [ :i, conf[:in], :y, :'b:v', "#{conf[:vbrate]}k",
+                   :f, 'webm', :acodec, 'libvorbis', :vcodec, 'libvpx'
+                 ]
+    parameters << :s << "#{conf[:size][:w]}x#{conf[:size][:h]}" if conf[:size]
+    parameters << :'b:a' << "#{conf[:abrate]}k" if conf[:abrate]
+    parameters << :r << conf[:fps]           if conf[:fps]
+    parameters << conf[:out]
+    response = self.run parameters
+    response[:conf] = conf
+    response
+  end
+
+  def make_ogv_for_web(conf)
+    conf = validate_conversion_conf_for_web conf, :ogv
+    convert2ogv(conf)
+  end
+
+  def make_mp4_for_web(conf)
+    conf = validate_conversion_conf_for_web conf, :mp4
+    convert2mp4(conf)
+  end
+
+  def make_webm_for_web(conf)
+    conf = validate_conversion_conf_for_web conf, :webm
+    convert2webm(conf)
+  end
+
+  # video_thumbnail creates 2 preview images on the sub directory web
+  # from the video file parent dir. This preview images are six concatenated
+  # frames in one image each. The frames have fixed dimension. The bigger
+  # preview has frames with in 160x120, and smaller has frames whit in 107x80.
+  # Use this helper only on the original movie to have only one "web" sub-dir.
+  def video_thumbnail(video)
+    result_dir = webdir_for_original_video video
+    info  = get_video_info(video)
+    if info[:duration] < 15
+      pos = 1
+      duration = info[:duration] - 2
+      frate = ( 7.0 / duration ).ceil
+    else
+      pos = ( info[:duration] / 2.5 ).ceil
+      duration = 7
+      frate = 1
+    end
+    response = self.run :i, video, :ss, pos, :t, duration, :r, frate,
+                        :s, '320x240', result_dir+'/f%d.png'
+    img_names = [ '/preview_160x120.jpg', '/preview_107x80.jpg' ]
+    if response[:error][:code] == 0
+      imgs = (2..7).map { |num|
+        img = result_dir+"/f#{num}.png"
+        File.exists?(img) ? img : nil
+      }.compact
+      if imgs.size != 6
+        Rails.logger.error "Problem to create thumbs for video #{video} ???"
+      end
+      imgs = Magick::ImageList.new *imgs
+      imgs.montage{
+        self.geometry='160x120+0+0'
+        self.tile="1x#{imgs.size}"
+        self.frame = "0x0+0+0"
+      }.write result_dir+img_names[0]
+      imgs.montage{
+        self.geometry='107x80+0+0'
+        self.tile="1x#{imgs.size}"
+        self.frame = "0x0+0+0"
+      }.write result_dir+img_names[1]
+    end
+
+    f_num = 1
+    while File.exists? result_dir+"/f#{f_num}.png" do
+      File.delete result_dir+"/f#{f_num}.png"
+      f_num += 1
+    end
+
+    if response[:error][:code] == 0
+      return { big: '/web'+img_names[0], thumb: '/web'+img_names[1] }
+    else
+      return response
+    end
+  end
+
+  def version
+    @@version ||= register_information[:version]
+  end
+
+  def formats
+    @@formats ||= register_information[:formats]
+  end
+
+  def codecs
+    @@codecs ||= register_information[:codecs]
+  end
+
+end
@@ -0,0 +1,30 @@
+class Html5VideoPlugin::VideoChannel < Folder
+
+  def self.short_description
+    _('Video Channel')
+  end
+
+  def self.description
+    _('A video channel, where you can make your own web TV.')
+  end
+
+  include ActionView::Helpers::TagHelper
+  def to_html(options={})
+    article = self
+    lambda do
+      render :file => 'content_viewer/video_channel', :locals => {:article => article}
+    end
+  end
+
+  def video_channel?
+    true
+  end
+
+  def self.icon_name(article = nil)
+    'videochannel'
+  end
+
+  def accept_article?
+    false
+  end
+end
@@ -0,0 +1,145 @@
+class FilePresenter::Video < FilePresenter
+
+  def self.accepts?(f)
+    return nil if !f.respond_to?(:content_type) || f.content_type.nil?
+    ( f.content_type[0..4] == 'video' ) ? 10 : nil
+  end
+
+  def short_description
+    _('Video (%s)') % content_type.split('/')[1].upcase
+  end
+
+  def meta_data #video_info
+    Noosfero::Plugin::Settings.new(encapsulated_file, Html5VideoPlugin)
+  end
+
+  def original_video
+    meta_data.original_video ||= {}
+  end
+
+  def original_video=(hash)
+    meta_data.original_video = hash
+  end
+
+  def web_versions
+    meta_data.web_versions ||= {}
+  end
+
+  def web_versions=(hash)
+    meta_data.web_versions = hash
+  end
+
+  # adds the orig version tho the web_versions if that is a valid to HTML5
+  def web_versions!
+    list = web_versions.clone
+    streams = original_video.empty? ? [] : original_video[:streams]
+    video_stream = streams.find{|s| s[:type] == 'video' }
+    audio_stream = streams.find{|s| s[:type] == 'audio' }
+    return list unless video_stream && audio_stream
+    type = original_video[:type].to_s.upcase.to_sym
+    type = :OGV if video_stream[:codec]=='theora' && original_video[:type]=='ogg'
+    if [:OGV, :MP4, :WEBM].include? type
+      vb = video_stream[:bitrate] || original_video[:global_bitrate] || 0
+      ab = audio_stream[:bitrate] || 0
+      info = {
+        :original => true,
+        :file_name => File.basename(public_filename),
+        :abrate => ab,
+        :vbrate => vb,
+        :size => video_stream[:size],
+        :size_name => 'orig',
+        :status => 'done',
+        :type => type,
+        :path => public_filename
+      }
+      list[type][:orig] = info
+    end
+    list
+  end
+
+  def ready_web_versions
+    ready = {}
+    web_versions!.select do |type, type_block|
+      ready[type] = {}
+      type_block.select do |size, size_block|
+        ready[type][size] = size_block if size_block[:status] == 'done'
+      end
+    end
+    ready
+  end
+
+  def has_ogv_version
+    not ready_web_versions[:OGV].blank?
+  end
+
+  def has_mp4_version
+    not ready_web_versions[:MP4].blank?
+  end
+
+  def has_webm_version
+    not ready_web_versions[:WEBM].blank?
+  end
+
+  def has_web_version
+    ready = ready_web_versions
+    not (ready[:OGV].blank? and ready[:MP4].blank? and ready[:WEBM].blank?)
+  end
+
+  def tiniest_web_version( type )
+    return nil if ready_web_versions[type].nil?
+    video = ready_web_versions[type].
+            select{|size,data| data[:status] == 'done' }.
+            sort_by{|v| v[1][:vbrate] }.first
+    video ? video[1] : nil
+  end
+
+  #TODO: add this to the user interface:
+  def web_version_jobs
+    #FIXME: in a newer version, the Delayed::Job may be searcheable in a uglyless way.
+    Delayed::Job.where("handler LIKE '%CreateVideoForWebJob%file_id: #{self.id}%'").all
+    #Delayed::Job.all :conditions => ['handler LIKE ?',
+    #                                 "%CreateVideoForWebJob%file_id: #{self.id}%"]
+  end
+
+  def web_preview_jobs
+    #FIXME: in a newer version, the Delayed::Job may be searcheable in a uglyless way.
+    Delayed::Job.where("handler LIKE '%CreateVideoPreviewJob%file_id: #{self.id}%'").all
+    #Delayed::Job.all :conditions => ['handler LIKE ?',
+    #                                 "%CreateVideoPreviewJob%file_id: #{self.id}%"]
+  end
+
+  def has_previews?
+    not(previews.nil?) && previews.kind_of?(Hash) && !previews.empty?
+  end
+
+  def previews
+    meta_data.image_previews
+  end
+
+  def previews=(hash)
+    meta_data.image_previews = hash
+  end
+
+  def image_preview(size=nil)
+    if has_previews? && previews[size]
+      File.dirname( public_filename ) + previews[size]
+    else
+      "/plugins/html5_video/images/video-preview-#{size}.png"
+    end
+  end
+
+  def conversion_errors
+    errors = {}
+    web_versions!.select do |type, type_block|
+      type_block.select do |size, conv_info|
+        if conv_info[:status] == 'error converting'
+          errors[type] ||= {}
+          err_base = {:message=>_('Undefined'), :code=>-2, :output=>'undefined'}
+          errors[type][size] = err_base.merge( conv_info[:error] || {} )
+        end
+      end
+    end
+    errors
+  end
+
+end
@@ -6,9 +6,10 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: 1.3~rc2-1-ga15645d\n"
-"POT-Creation-Date: 2015-10-30 16:35-0300\n"
-"PO-Revision-Date: 2015-08-06 17:21-0300\n"
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2016-08-19 19:54+0000\n"
+"PO-Revision-Date: 2016-08-19 19:54+0000\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
 "Language: \n"
@@ -17,10 +18,128 @@ msgstr &quot;&quot;
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=INTEGER; plural=EXPRESSION;\n"
-#: plugins/html5_video/lib/file_presenter/video.rb:8
+#: ../lib/html5_video_plugin.rb:16
+msgid "A plugin to enable the video suport, with auto conversion for the web."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:26
+msgid "Unknow error"
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:29
+msgid "No such file or directory \"%s\"."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:32
+msgid "No output defined."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:35
+msgid "Unknown encoder \"%s\"."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:38
+msgid ""
+"Error while opening encoder for output - maybe incorrect parameters such as bi"
+"t rate, frame rate, width or height."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:41
+msgid "Could not open \"%s\"."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:44
+msgid "Unsupported codec %{codec} for %{act} stream %{id}."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:48
+msgid "Unable to find a suitable output format for %{file}."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:52
+msgid "Invalid data found when processing input."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:190
+msgid "Success."
+msgstr ""
+
+#: ../lib/html5_video_plugin/video_channel.rb:4
+msgid "Video Channel"
+msgstr ""
+
+#: ../lib/html5_video_plugin/video_channel.rb:8
+msgid "A video channel, where you can make your own web TV."
+msgstr ""
+
+#: ../lib/presenters/video.rb:9
 msgid "Video (%s)"
 msgstr ""
-#: plugins/html5_video/lib/html5_video_plugin.rb:10
-msgid "A plugin to enable the video suport, with auto conversion for the web."
+#: ../lib/presenters/video.rb:137
+msgid "Undefined"
+msgstr ""
+
+#: ../views/content_viewer/_video_player.html.erb:21
+msgid "Sorry, your browser doesn&rsquo;t support video."
+msgstr ""
+
+#: ../views/content_viewer/_video_player.html.erb:22
+msgid "Please try the new %s or %s."
+msgstr ""
+
+#: ../views/content_viewer/_video_player.html.erb:27
+msgid "Download"
+msgstr ""
+
+#: ../views/content_viewer/video_channel.html.erb:7
+msgid "This channel contains no videos yet"
+msgstr ""
+
+#: ../views/content_viewer/video_channel.html.erb:14
+#: ../views/file_presenter/_video.html.erb:15
+msgid "Quality options"
+msgstr ""
+
+#: ../views/content_viewer/video_channel.html.erb:18
+msgid "Tags"
+msgstr ""
+
+#: ../views/content_viewer/video_channel.html.erb:22
+#: ../views/file_presenter/_video.html.erb:17
+msgid "Description"
+msgstr ""
+
+#: ../views/content_viewer/video_channel.html.erb:66
+msgid "This channel has one video waiting to be converted"
+msgid_plural "This channel has %d videos waiting to be converted"
+msgstr[0] ""
+msgstr[1] ""
+
+#: ../views/content_viewer/video_channel.html.erb:83
+msgid "Non video files"
+msgstr ""
+
+#: ../views/file_presenter/_video.html.erb:7
+msgid "Queued to generate the web version. Come back soon."
+msgstr ""
+
+#: ../views/file_presenter/_video.html.erb:11
+msgid "This video is not queued to the video conversor. Contact the site admin."
+msgstr ""
+
+#: ../views/file_presenter/_video.html.erb:34
+msgid "Video conversion errors"
+msgstr ""
+
+#: ../views/file_presenter/_video.html.erb:44
+msgid "Error while converting %{orig_type} to %{new_type}, %{size} size."
+msgstr ""
+
+#: ../views/file_presenter/_video.html.erb:47
+msgid "Code %s"
+msgstr ""
+
+#: ../views/file_presenter/_video.html.erb:49
+msgid "display full output"
 msgstr ""
@@ -12,11 +12,11 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: 1.3~rc2-1-ga15645d\n"
-"POT-Creation-Date: 2015-10-30 16:35-0300\n"
+"POT-Creation-Date: 2016-08-19 19:54+0000\n"
 "PO-Revision-Date: 2014-12-18 18:40-0200\n"
 "Last-Translator: Luciano Prestes Cavalcanti <lucianopcbr@gmail.com>\n"
-"Language-Team: Portuguese <https://hosted.weblate.org/projects/noosfero/"
-"noosfero/pt/>\n"
+"Language-Team: Portuguese <https://hosted.weblate.org/projects/noosfero/noosfe"
+"ro/pt/>\n"
 "Language: pt\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -24,11 +24,128 @@ msgstr &quot;&quot;
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
 "X-Generator: Weblate 2.0\n"
-#: plugins/html5_video/lib/file_presenter/video.rb:8
+#: ../lib/html5_video_plugin.rb:16
+msgid "A plugin to enable the video suport, with auto conversion for the web."
+msgstr "Um plugin para habilitar suporte de video, com conversão de audio para a web."
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:26
+msgid "Unknow error"
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:29
+msgid "No such file or directory \"%s\"."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:32
+msgid "No output defined."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:35
+msgid "Unknown encoder \"%s\"."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:38
+msgid ""
+"Error while opening encoder for output - maybe incorrect parameters such as bi"
+"t rate, frame rate, width or height."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:41
+msgid "Could not open \"%s\"."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:44
+msgid "Unsupported codec %{codec} for %{act} stream %{id}."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:48
+msgid "Unable to find a suitable output format for %{file}."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:52
+msgid "Invalid data found when processing input."
+msgstr ""
+
+#: ../lib/html5_video_plugin/ffmpeg.rb:190
+msgid "Success."
+msgstr ""
+
+#: ../lib/html5_video_plugin/video_channel.rb:4
+msgid "Video Channel"
+msgstr ""
+
+#: ../lib/html5_video_plugin/video_channel.rb:8
+msgid "A video channel, where you can make your own web TV."
+msgstr ""
+
+#: ../lib/presenters/video.rb:9
 msgid "Video (%s)"
 msgstr "Vídeo (%s)"
-#: plugins/html5_video/lib/html5_video_plugin.rb:10
-msgid "A plugin to enable the video suport, with auto conversion for the web."
+#: ../lib/presenters/video.rb:137
+msgid "Undefined"
+msgstr ""
+
+#: ../views/content_viewer/_video_player.html.erb:21
+msgid "Sorry, your browser doesn&rsquo;t support video."
+msgstr ""
+
+#: ../views/content_viewer/_video_player.html.erb:22
+msgid "Please try the new %s or %s."
+msgstr ""
+
+#: ../views/content_viewer/_video_player.html.erb:27
+msgid "Download"
+msgstr ""
+
+#: ../views/content_viewer/video_channel.html.erb:7
+msgid "This channel contains no videos yet"
+msgstr ""
+
+#: ../views/content_viewer/video_channel.html.erb:14
+#: ../views/file_presenter/_video.html.erb:15
+msgid "Quality options"
+msgstr ""
+
+#: ../views/content_viewer/video_channel.html.erb:18
+msgid "Tags"
+msgstr ""
+
+#: ../views/content_viewer/video_channel.html.erb:22
+#: ../views/file_presenter/_video.html.erb:17
+msgid "Description"
+msgstr ""
+
+#: ../views/content_viewer/video_channel.html.erb:66
+msgid "This channel has one video waiting to be converted"
+msgid_plural "This channel has %d videos waiting to be converted"
+msgstr[0] ""
+msgstr[1] ""
+
+#: ../views/content_viewer/video_channel.html.erb:83
+msgid "Non video files"
+msgstr ""
+
+#: ../views/file_presenter/_video.html.erb:7
+msgid "Queued to generate the web version. Come back soon."
+msgstr ""
+
+#: ../views/file_presenter/_video.html.erb:11
+msgid "This video is not queued to the video conversor. Contact the site admin."
+msgstr ""
+
+#: ../views/file_presenter/_video.html.erb:34
+msgid "Video conversion errors"
+msgstr ""
+
+#: ../views/file_presenter/_video.html.erb:44
+msgid "Error while converting %{orig_type} to %{new_type}, %{size} size."
+msgstr ""
+
+#: ../views/file_presenter/_video.html.erb:47
+msgid "Code %s"
+msgstr ""
+
+#: ../views/file_presenter/_video.html.erb:49
+msgid "display full output"
 msgstr ""
-"Um plugin para habilitar suporte de video, com conversão de audio para a web."
@@ -0,0 +1,175 @@
+.video-list {
+  margin: 0px;
+  padding: 0px;
+  text-align: left;
+}
+
+.video-list-item {
+  margin: 2px 1px;
+  padding: 0px;
+  list-style: none;
+  display: inline-block;
+  width: 160px;
+  height: 120px;
+  overflow: hidden;
+}
+
+.video-list-item a {
+  display: block;
+  height: 100%;
+  background-position: 50% -120px;
+  background-repeat: no-repeat;
+  position: relative;
+}
+
+.video-list-item .frame-fade {
+  position: absolute;
+  top: 0px;
+  left: 0px;
+  width: 100%;
+  height: 100%;
+  display: block;
+}
+
+@keyframes fadein {
+  from { opacity: 0.0 }
+  to   { opacity: 1.0 }
+}
+@-moz-keyframes fadein {
+  from { opacity: 0.0 }
+  to   { opacity: 1.0 }
+}
+@-webkit-keyframes fadein {
+  from { opacity: 0.0 }
+  to   { opacity: 1.0 }
+}
+
+.video-list-item a strong {
+  display: block;
+  width: 100%;
+  padding: 3px 5px;
+  position: absolute;
+  bottom: 0px;
+  background: rgba(0,0,0,0.5);
+  color: #FFF;
+}
+
+.video-list-item ul, .video-list-item div {
+  display: none;
+}
+
+.non-video-list {
+  border-top: 1px solid #DDD;
+  margin-top: 15px;
+}
+
+.video-player {
+  padding-bottom: 10px;
+}
+
+.video-player .vjs-no-video {
+  background: #888;
+  padding: 3px 5px;
+}
+
+.video-box {
+  display: inline-block;
+  position: relative;
+}
+
+.video-channel .video-box {
+  float: left;
+  width: 400px;
+}
+.video-channel .zoom-in .video-box {
+  float: none;
+  width: 100%;
+}
+
+.video-box .video-ctrl {
+  position: absolute;
+  top: 5px;
+  right: 5px;
+  display: none;
+}
+.video-box:hover .video-ctrl {
+  display: block;
+}
+
+.video-player video, .video-box {
+  min-width: 256px;
+  max-width: 100%;
+  background: #000;
+}
+
+.video-channel .video-player.zoom-out video,
+.video-player.zoom-in .video-box,
+.video-player.zoom-in video {
+  width: 100%;
+}
+
+.video-player-info {
+  text-align: left;
+  margin-top: 10px;
+}
+
+.video-channel .video-player-info {
+  margin-left: 415px;
+}
+.video-channel .zoom-in .video-player-info {
+  margin: 0px;
+}
+
+.video-player-info > div {
+  padding: 3px 0px;
+}
+
+.video-player-info .data {
+  display: inline-block;
+}
+
+.video-player-info .quality ul {
+  display: inline-block;
+  margin: 0px -4px;
+  padding: 0px;
+}
+.video-player-info .quality li {
+  margin: 4px;
+  padding: 0px;
+}
+
+.unconverted-videos p span {
+  cursor: pointer;
+}
+
+.conversion-error {
+  text-align: left;
+  border: 1px solid #A44;
+  background: #EAA;
+}
+
+#content .conversion-error h2 {
+  margin: 10px;
+  color: #FFF;
+  text-shadow: 1px 1px 1px #944;
+  text-align: center;
+}
+
+.conversion-error ul {
+  margin: 10px;
+  padding: 0px;
+}
+
+.conversion-error li {
+  list-style: none;
+  margin: 0px;
+  padding: 0px;
+}
+
+#article .conversion-error pre {
+  border: none;
+  background: rgba(222,222,222,0.3);
+}
+
+.icon-videochannel { background-image: url(/designs/icons/tango/Tango/16x16/mimetypes/video-x-generic.png) }
+.icon-newvideochannel { background-image: url(/designs/icons/tango/Tango/16x16/mimetypes/video-x-generic.png) }
@@ -0,0 +1,215 @@
+/*
+**  Noosfero's Video Channel specific client script
+**  Released under the same Noosfero's license
+*/
+
+(function (exports, $) {
+"use strict";
+
+var vEl = document.createElement('video');
+var canPlay = {
+  webm: !!vEl.canPlayType('video/webm').replace(/no/,''),
+  ogg:  !!vEl.canPlayType('video/ogg').replace(/no/,''),
+  mp4:  !!vEl.canPlayType('video/mp4').replace(/no/,'')
+};
+
+exports.VideoChannel = function VideoChannel(baseEl) {
+  this.baseEl = baseEl;
+  if ($('.video-player', this.baseEl)[0]){
+    this.player = new NoosferoVideoPlayer(this.baseEl, this);
+    this.init();
+  }
+};
+
+VideoChannel.prototype.init = function() {
+  var me = this;
+  $('.video-list-item', this.baseEl).each(
+    function(num, item) {
+      me.initItem(item);
+    }
+  );
+  if ( $('.video-list li', this.baseEl)[0] ) {
+    this.updatePlayer( $('li', this.baseEl).first() );
+  } else {
+    log.info('there is no playable video yet.');
+    $('.video-player', this.baseEl).hide();
+  }
+};
+
+VideoChannel.prototype.initItem = function(item) {
+  var me = this;
+  $(item).click(function(){ me.updatePlayer(item, true); });
+  var link = $('a', item)[0];
+  link.onclick = function(){ return false };
+  link.nextFrame = VideoChannel.nextFrame;
+  if ( !link.frameFade )
+    link.frameFade = $('<div class="frame-fade"></div>').prependTo(link)[0];
+  link.frameFade.style.backgroundImage = link.style.backgroundImage;
+  link.addEventListener("animationend", function(){ link.nextFrame() }, false);
+  link.addEventListener("webkitAnimationEnd", function(){ link.nextFrame() }, false);
+  link.nextFrame();
+};
+
+VideoChannel.nextFrame = function(fade) {
+  if ( !fade ) {
+    this.frameFade.style.opacity = 0.0;
+    this.frameFade.style.animationName = "";
+    this.frameFade.style.MozAnimationName = "";
+    this.frameFade.style.webkitAnimationName = "";
+    if ( !this.bgYPos ) this.bgYPos = 0;
+    this.style.backgroundPosition = "50% "+ ( this.bgYPos++ * -120 ) +"px";
+    if ( this.bgYPos > 5 ) this.bgYPos = 0;
+    this.frameFade.style.backgroundPosition = "50% "+ ( this.bgYPos * -120 ) +"px";
+    var link = this;
+    setTimeout( function(){ link.nextFrame(true) }, 10 );
+  } else {
+    this.frameFade.style.animationDuration = "1s";
+    this.frameFade.style.animationName = "fadein";
+    this.frameFade.style.MozAnimationDuration = "1s";
+    this.frameFade.style.MozAnimationName = "fadein";
+    this.frameFade.style.webkitAnimationDuration = "1s";
+    this.frameFade.style.webkitAnimationName = "'fadein'";
+  }
+};
+
+VideoChannel.prototype.updatePlayer = function(item, autoplay) {
+  var json = $('a', item)[0].getAttribute("data-webversions");
+  this.player.videoList = JSON.parse(json);
+  this.player.selectWebVersion();
+  this.player.update( this.getItemData(item), autoplay );
+};
+
+VideoChannel.prototype.getItemData = function(item) {
+  var link = $('a', item)[0];
+  var spans = $('span', item);
+  var data = {};
+  data.pageURL = link.href;
+  data.videoURL = link.getAttribute('data-download');
+  data.posterURL = link.getAttribute('data-poster');
+  data.title = $(link).text();
+  data.abstract = $('.abstract', item)[0].innerHTML;
+  data.tags = $('.vli-data-tags > div', item)[0].innerHTML;
+  return data;
+};
+
+///////////// Video Player /////////////////////////////////////////////////////
+
+exports.NoosferoVideoPlayer = function NoosferoVideoPlayer(place, channel) {
+  this.channel = channel;
+  this.divBase = $('.video-player', place)[0];
+  if(!this.divBase) return;
+  this.info = {
+    title      : $('h2',            this.divBase)[0],
+    quality    : $('.quality ul',   this.divBase)[0],
+    tags       : $('.tags div',     this.divBase)[0],
+    abstract   : $('.abstract div', this.divBase)[0],
+    videoCtrl  : $('.video-ctrl',   this.divBase)[0],
+    downloadBt : $('.download-bt',  this.divBase)
+      .button({ icons: { primary: "ui-icon-circle-arrow-s" } })[0]
+  };
+  this.videoBox = $('.video-box', this.divBase)[0];
+  var me = this;
+  this.zoomBt = $('<button class="zoom">Zoom</button>')
+      .button({ icons: { primary: "ui-icon-zoomin" }, text: false })
+      .click(function(){ me.toggleZoom() })
+      .appendTo(this.info.videoCtrl);
+  this.zoomBt[0].title = "Zoom in";
+  this.videoEl = $('video', this.divBase)[0];
+};
+
+NoosferoVideoPlayer.prototype.update = function(data, autoplay) {
+  this.info.title.innerHTML = data.title;
+  this.videoEl.src = data.videoURL;
+  this.videoEl.autoplay = autoplay;
+  this.poster = data.posterURL;
+  this.videoEl.load();
+  var tags = data.tags || '<span class="empty">None</span>'
+  $(this.info.tags).empty().append(tags);
+  var desc = data.abstract || '<span class="empty">None</span>'
+  $(this.info.abstract).empty().append(desc);
+  this.info.downloadBt.href = data.videoURL;
+};
+
+NoosferoVideoPlayer.prototype.updateQualityOpts = function(type) {
+  var me = this;
+  $(this.info.quality).empty();
+  for ( var size in this.videoList[type] ) {
+    var videoData = this.videoList[type][size];
+    log.info( 'Quality option:', videoData );
+    if ( videoData.status == "done" ) {
+      var txt = videoData.size_name;
+      if ( !this.channel ) {
+        txt = videoData.size.w +'x'+ videoData.size.h +
+            ' <small>'+ videoData.vbrate +' KB/s</small>';
+      }
+      var bt = $(
+        '<li data-path="'+videoData.path+'">'+ txt +'</li>')
+        .button({ icons: { primary:"ui-icon-video" } })
+        .click(function(){ me.load(this.video, true) })
+        .appendTo(this.info.quality)[0];
+      bt.video = videoData;
+      videoData.qualityBt = bt;
+    }
+  }
+};
+
+NoosferoVideoPlayer.prototype.load = function (video, userSelection) {
+  if ( this.currentVideo ) $(this.currentVideo.qualityBt).button().button("enable");
+  $(video.qualityBt).button("disable");
+  this.currentVideo = video;
+  this.videoEl.src = video.path;
+  this.videoEl.preload = "metadata";
+  if ( userSelection )
+    $.cookie( "video_quality", video.size_name, {path:'/'} );
+  if ( $.cookie("video_zoom") == "true" ) this.zoomIn();
+  else this.zoomOut();
+};
+
+NoosferoVideoPlayer.prototype.toggleZoom = function () {
+  if ( $(this.divBase).hasClass("zoom-in") ) this.zoomOut();
+  else this.zoomIn();
+};
+
+NoosferoVideoPlayer.prototype.zoomIn = function () {
+  $.cookie( "video_zoom", "true", {path:'/'} );
+  $(this.divBase).removeClass("zoom-out").addClass("zoom-in");
+};
+
+NoosferoVideoPlayer.prototype.zoomOut = function () {
+  $.cookie( "video_zoom", "false", {path:'/'} );
+  $(this.divBase).removeClass("zoom-in").addClass("zoom-out");
+};
+
+NoosferoVideoPlayer.prototype.selectWebVersion = function () {
+  var video = null;
+  var me = this;
+  var q1 = $.cookie("video_quality") || "tiny";
+  var q2 = ( q1 == "tiny" ) ? "nice" : "tiny";
+  var type = canPlay.webm ? "WEBM" : canPlay.ogg ? "OGV" : "MP4";
+  if (  (video = this.getVideoFromList(type, q1))
+     || (video = this.getVideoFromList(type, q2))
+     ) {
+    this.updateQualityOpts(video.type);
+    setTimeout( function(){ me.load(video) }, 10 );
+  }
+};
+
+NoosferoVideoPlayer.prototype.getVideoFromList = function (type, quality) {
+  log.info( 'Trying to getVideoFromList', type, quality );
+  if (!this.videoList && !this.videoList) {
+    log.info( 'The video list is empty' );
+    return null;
+  }
+  if ( quality.toLowerCase() != "nice" ) quality = "tiny";
+  var selected = this.videoList[type][quality];
+  log.info( 'getVideoFromList find:', selected );
+  if ( selected && selected.status == "done" ) {
+    log.info( 'getVideoFromList success' );
+    return selected;
+  } else {
+    log.info( 'getVideoFromList fail' );
+    return null;
+  }
+};
+
+}(window, jQuery));
@@ -0,0 +1,34 @@
+require File.dirname(__FILE__) + '/../../../test/test_helper'
+
+fixture_path = File.dirname(__FILE__) + '/../../../test/fixtures/videos'
+Dir.mkdir(fixture_path) unless File.exist?(fixture_path)
+
+base_url = 'http://noosfero.org/pub/Development/HTML5VideoPlugin'
+
+videos = ['old-movie.mpg', 'atropelamento.ogv', 'firebus.3gp']
+
+def shutdown(fixture_path, videos)
+  videos.map do |v|
+    File.unlink(fixture_path+'/'+v) if File.exists?(fixture_path+'/'+v)
+  end
+  exit 1
+end
+
+signals = %w{EXIT HUP INT QUIT TERM}
+signals.map{|s| Signal.trap(s) { shutdown fixture_path, videos } }
+
+unless videos.select{|v| !File.exists? fixture_path+'/'+v }.empty?
+  # Open3.capture2e is the right way, but needs ruby 1.9
+  puts "\nDownloading video fixture..."
+  puts videos.map{|v| base_url+'/'+v}.join(' ')
+  output = `cd '#{fixture_path}';
+            LANG=C wget -c #{videos.map{|v| base_url+'/'+v}.join(' ')} || echo '\nERROR'`
+
+  if output[-7..-1] == "\nERROR\n" then
+    puts "wget fail. Try again."
+    exit 0
+  end
+end
+
+signals.map{|s| Signal.trap(s) { } }
+
-require 'test_helper'
+require File.dirname(__FILE__) + '/../../../../test/test_helper'
 require 'content_viewer_controller'
+class ContentViewerController
+  # Re-raise errors caught by the controller.
+  def rescue_action(e) raise e end
+  append_view_path File.join(File.dirname(__FILE__) + '/../../views')
+end
+
 class ContentViewerControllerTest < ActionController::TestCase
   all_fixtures
@@ -10,11 +16,13 @@ class ContentViewerControllerTest &lt; ActionController::TestCase
     @profile = create_user('testinguser').person
     @environment = @profile.environment
+    @environment.enable_plugin(Html5VideoPlugin)
   end
   attr_reader :profile, :environment
   should 'add html5 video tag to the page of file type video' do
     file = UploadedFile.create!(:uploaded_data => fixture_file_upload('/files/test.txt', 'video/ogg'), :profile => profile)
+    process_delayed_job_queue
     get :view_page, file.url.merge(:view=>:true)
     assert_select '#article video'
   end
@@ -0,0 +1,100 @@
+require File.dirname(__FILE__) + '/../../../../test/test_helper'
+require File.dirname(__FILE__) + '/../download_fixture'
+$LOAD_PATH << File.dirname(__FILE__) + '/../../lib/'
+require 'html5_video_plugin.rb'
+
+class CreateVideoForWebJobTest < ActiveSupport::TestCase
+
+  ffmpeg = Html5VideoPlugin::Ffmpeg.new
+
+  def setup
+    Environment.default.enable_plugin Html5VideoPlugin
+    # Create a temporary directory to write testing files
+    @temp = %x{ mktemp -d }[0..-2]
+  end
+
+  def teardown
+    # Remove the temporary directory
+    %x{ rm -r '#{@temp}' }
+  end
+
+  def run_CreateVideoForWebJobs_for_video(video)
+    jobs = video.web_version_jobs
+    # Run all CreateVideoForWebJob's for this created video:
+    print '['; STDOUT.flush
+    jobs.each do |job|
+      YAML.load(job.handler).perform
+      STDOUT.write '+'; STDOUT.flush # a progress to the user see something.
+    end
+    print ']'; STDOUT.flush
+    video.reload
+  end
+
+  should 'create web compatible version to a uploaded MPEG video' do
+    video = FilePresenter.for UploadedFile.create!(
+      :uploaded_data => fixture_file_upload('/videos/old-movie.mpg', 'video/mpeg'),
+      :profile => fast_create(Person) )
+    assert_equal({}, video.web_versions, 'video.web_versions starts as empty list')
+
+    run_CreateVideoForWebJobs_for_video(video)
+
+    video.web_versions.each do |format, format_block|
+      format_block.each { |size, video_conv| assert !video_conv[:original] }
+    end
+    assert_equal 'tiny.ogv',        video.web_versions[:OGV][:tiny][:file_name]
+    assert_equal({:w=>320,:h=>212}, video.web_versions[:OGV][:tiny][:size])
+    assert_equal 250,               video.web_versions[:OGV][:tiny][:vbrate]
+    assert_equal 64,                video.web_versions[:OGV][:tiny][:abrate]
+    assert_equal 'nice.ogv',        video.web_versions[:OGV][:nice][:file_name]
+    assert_equal({:w=>576,:h=>384}, video.web_versions[:OGV][:nice][:size])
+    assert_equal 104857,            video.web_versions[:OGV][:nice][:vbrate]
+    assert_equal 128,               video.web_versions[:OGV][:nice][:abrate]
+    assert_equal 'tiny.webm',       video.web_versions[:WEBM][:tiny][:file_name]
+    assert_equal({:w=>320,:h=>212}, video.web_versions[:WEBM][:tiny][:size])
+    assert_equal 250,               video.web_versions[:WEBM][:tiny][:vbrate]
+    assert_equal 64,                video.web_versions[:WEBM][:tiny][:abrate]
+    assert_equal 'nice.webm',       video.web_versions[:WEBM][:nice][:file_name]
+    assert_equal({:w=>576,:h=>384}, video.web_versions[:WEBM][:nice][:size])
+    assert_equal 104857,            video.web_versions[:WEBM][:nice][:vbrate]
+    assert_equal 128,               video.web_versions[:WEBM][:nice][:abrate]
+
+    webdir = ffmpeg.webdir_for_original_video video.public_filename
+    assert File.exists?( webdir+'/tiny.ogv' )
+    assert File.exists?( webdir+'/nice.ogv' )
+    assert File.exists?( webdir+'/tiny.webm' )
+    assert File.exists?( webdir+'/nice.webm' )
+  end
+
+  should 'create web compatible version to a uploaded OGG video' do
+    resp = ffmpeg.run [ :i, "#{fixture_path}/videos/firebus.3gp",
+                        :t, 4, :f, 'ogg',
+                        :vcodec, 'libtheora', :vb, '800k',
+                        :acodec, 'libvorbis', :ar, 44100, :ab, '192k',
+                        "#{@temp}/firebus.ogv" ]
+    assert_equal 0, resp[:error][:code], 'creating a valid OGV'
+    
+    video = FilePresenter.for UploadedFile.create!(
+      uploaded_data: Rack::Test::UploadedFile.new("#{@temp}/firebus.ogv", 'video/ogv'),
+      profile: fast_create(Person) )
+    assert_equal({}, video.web_versions, 'video.web_versions starts as empty list')
+
+    run_CreateVideoForWebJobs_for_video(video)
+
+    video.web_versions.each do |format, format_block|
+      format_block.each { |size, video_conv| assert !video_conv[:original] }
+    end
+    web_versions = video.web_versions!
+    assert_equal 'tiny.ogv',        web_versions[:OGV][:tiny][:file_name]
+    assert_equal({:w=>320,:h=>240}, web_versions[:OGV][:tiny][:size])
+    assert_equal 250,               web_versions[:OGV][:tiny][:vbrate]
+    assert_equal 64,                web_versions[:OGV][:tiny][:abrate]
+    assert_equal 'tiny.webm',       web_versions[:WEBM][:tiny][:file_name]
+    assert_equal({:w=>320,:h=>240}, web_versions[:WEBM][:tiny][:size])
+    assert_equal 250,               web_versions[:WEBM][:tiny][:vbrate]
+    assert_equal 64,                web_versions[:WEBM][:tiny][:abrate]
+    assert_equal 'firebus.ogv',     web_versions[:OGV][:orig][:file_name]
+    assert_equal({:w=>128,:h=>96},  web_versions[:OGV][:orig][:size])
+    assert_equal 192,               web_versions[:OGV][:orig][:abrate]
+  end
+
+end
@@ -0,0 +1,48 @@
+require File.dirname(__FILE__) + '/../../../../test/test_helper'
+require File.dirname(__FILE__) + '/../download_fixture'
+$LOAD_PATH << File.dirname(__FILE__) + '/../../lib/'
+require 'html5_video_plugin.rb'
+
+class CreateVideoPreviewJobTest < ActiveSupport::TestCase
+
+  def setup
+    Environment.default.enable_plugin Html5VideoPlugin
+  end
+
+  def run_CreateVideoPreviewJob_for_video(video)
+    jobs = video.web_preview_jobs
+    # Run all CreateVideoPreviewJob's for this created video:
+    print '['; STDOUT.flush
+    jobs.each do |job|
+      YAML.load(job.handler).perform
+      STDOUT.write '+'; STDOUT.flush # a progress to the user see something.
+    end
+    print ']'; STDOUT.flush
+    video.reload
+  end
+
+  should 'create preview images to uploaded videos' do
+
+    video = FilePresenter.for UploadedFile.create!(
+      :uploaded_data => fixture_file_upload('/videos/firebus.3gp', 'video/3gpp'),
+      :profile => fast_create(Person) )
+    assert not(video.has_previews?)
+
+    run_CreateVideoPreviewJob_for_video video
+    video.reload
+
+    assert video.has_previews?, 'must have built preview images'
+    assert_equal({:big   => '/web/preview_160x120.jpg',
+                  :thumb => '/web/preview_107x80.jpg'},
+                  video.previews)
+
+    video_path = File.dirname(video.full_filename)
+
+    assert File.exist?(video_path + video.previews[:big])
+    assert File.exist?(video_path + video.previews[:thumb])
+    assert_match /^\/[^ ]*\/[0-9]+\/+web\/preview_160x120.jpg JPEG 160x720 /, `identify #{video_path + video.previews[:big]}`
+    assert_match /^\/[^ ]*\/[0-9]+\/+web\/preview_107x80.jpg JPEG 107x480 /, `identify #{video_path + video.previews[:thumb]}`
+
+  end
+
+end
@@ -0,0 +1,267 @@
+#require File.dirname(__FILE__) + '/../../../../test/test_helper'
+require 'test_helper'
+#require File.dirname(__FILE__) + '/../download_fixture'
+require_relative '../download_fixture'
+$LOAD_PATH << File.dirname(__FILE__) + '/../../lib/'
+require 'html5_video_plugin.rb'
+require 'html5_video_plugin/ffmpeg.rb'
+
+class FfmpegTest < ActiveSupport::TestCase
+
+  ffmpeg = Html5VideoPlugin::Ffmpeg.new
+
+  def create_video(file, mime)
+    file = UploadedFile.create!(
+      :uploaded_data => fixture_file_upload('/videos/'+file, mime),
+      :profile => fast_create(Person))
+  end
+
+  def video_path(file='')
+    "#{fixture_path}/videos/#{file}"
+  end
+
+  # Some tests wil create a "web" dir inside fixture videos dir, so we must remove it.
+  def rm_web_videos_dir
+    webdir = video_path 'web'
+    return unless Dir.exist? webdir
+    Dir.foreach(webdir) do|file|
+      File.unlink webdir +'/'+ file unless file.match /^\.+$/
+    end
+    Dir.delete webdir
+  end
+
+  def setup
+    Environment.default.enable_plugin Html5VideoPlugin
+    @temp = []
+    rm_web_videos_dir
+  end
+
+  def teardown
+    @temp.each do |file|
+      if File.exist? file
+        File.unlink file
+      end
+    end
+    rm_web_videos_dir
+  end
+
+  # Create a temp filename, not a file.
+  # If a file with this name is created, it will be removed by the teardown.
+  def mkTempName(ext='')
+    ( @temp << "/tmp/#{SecureRandom.hex}.#{ext}" ).last
+  end
+
+  should 'has the right version of ffmpeg' do
+    response = ffmpeg.run :version
+    assert_match /^ffmpeg version 3\.0/, response[:output]
+  end
+
+  should 'complain about missing input' do
+    response = ffmpeg.run :i, 'ups-i-dont-exixt.ogv'
+    assert_equal 1, response[:error][:code]
+  end
+
+  should 'complain about missing output' do
+    response = ffmpeg.run :i, video_path('old-movie.mpg')
+    assert_equal 2, response[:error][:code]
+  end
+
+  should 'complain about unknown encoder' do
+    tmpogv = mkTempName :ogv
+    response = ffmpeg.run :i, video_path('old-movie.mpg'), :vcodec, 'noCodec', tmpogv
+    assert_equal 3, response[:error][:code]
+  end
+
+  should 'complain about wrong encoder' do
+    tmpvid = mkTempName :mpg
+    response = ffmpeg.run :i, video_path('firebus.3gp'), :'b:v', 3, tmpvid
+    assert_equal 4, response[:error][:code]
+  end
+
+#  #TODO: cant reproduce this error
+#  should 'complain about not being able to open encoder' do
+#    tmpvid = mkTempName :mpg
+#    response = run_ffmpeg [:i, video_path('old-movie.mpg'), tmpvid]
+#    assert_equal 5, response[:error][:code]
+#  end
+
+#  #TODO: cant reproduce this error
+#  should 'complain about unsuported codec' do
+#    tmpvid = mkTempName :webm
+#    response = run_ffmpeg [:i, video_path('firebus.3gp'), :vcodec, 'libtheora', tmpvid]
+#    assert_equal 6, response[:error][:code]
+#  end
+
+  should 'complain about unknown output format' do
+    tmpvid = mkTempName :nop
+    response = ffmpeg.run :i, video_path('old-movie.mpg'), tmpvid
+    assert_equal 7, response[:error][:code]
+  end
+
+  should 'complain about invalid input data' do
+    tmpvid = mkTempName :mpg
+    fakevid = Tempfile.new ['fake', '.mpg']
+    response = ffmpeg.run :i, fakevid.path, tmpvid
+    fakevid.close
+    fakevid.unlink
+    assert_equal 8, response[:error][:code]
+  end
+
+  should 'read ffmpeg information and features' do
+    response = ffmpeg.register_information
+    assert_match /^[0-9]\.[0-9]\.[0-9]$/, response[:version]
+    formatWebM = /^\{demux:false,description:WebM,mux:true\}$/
+    assert_match formatWebM, h2s(response[:formats][:webm])
+    codecVorbis = /^\{decode:true,description:Vorbis[^,]+,direct_rendering:false,draw_horiz_band:false,encode:true,type:audio,wf_trunc:false\}$/
+    assert_match codecVorbis, h2s(response[:codecs][:vorbis])
+  end
+
+  should 'convert time string to seconds int' do
+    assert_equal 30, ffmpeg.timestr_to_secs('00:00:30')
+    assert_equal 630, ffmpeg.timestr_to_secs('00:10:30')
+    assert_equal 7830, ffmpeg.timestr_to_secs('02:10:30')
+    assert_equal nil, ffmpeg.timestr_to_secs('invalid time string')
+  end
+
+  should 'parse video stream info' do
+    response = ffmpeg.get_stream_info 'Stream #0:0[0x1e0]: Video: mpeg1video, yuv420p(tv), 720x480 [SAR 200:219 DAR 100:73], 104857 kb/s, 23.98 fps, 23.98 tbr, 90k tbn, 23.98 tbc'
+
+    assert_equal 'video', response[:type]
+    assert_equal 'mpeg1video', response[:codec]
+    assert_equal 104857, response[:bitrate]
+    assert_equal 23.98, response[:framerate]
+    assert_equal 'video', response[:type]
+    assert_equal 720, response[:size][:w]
+    assert_equal 480, response[:size][:h]
+  end
+
+  should 'parse audio stream info' do
+    response = ffmpeg.get_stream_info 'Stream #0:1[0x1c0]: Audio: mp2, 48000 Hz, 2 channels, stereo, s16p, 128 kb/s'
+    assert_equal 'audio', response[:type]
+    assert_equal 'mp2', response[:codec]
+    assert_equal 48000, response[:frequency]
+    assert_equal 128, response[:bitrate]
+    assert_equal 2, response[:channels]
+  end
+
+  should 'fetch webdir' do
+    video = mkTempName :mpg
+    assert_equal '/tmp/web', ffmpeg.webdir_for_original_video(video)
+  end
+
+  should 'validate conversion conf for web' do
+    conf = { in: video_path('old-movie.mpg') }
+    validConf = ffmpeg.validate_conversion_conf_for_web conf, :webm
+    assert_match /^\{abrate:128,file_name:640x426_1024.webm,in:[^:]+\/old-movie.mpg,out:[^:]+\/web\/640x426_1024.webm,size:\{h:426,w:640\},vbrate:1024\}$/, h2s(validConf)
+  end
+
+  should 'validate conversion conf for web with given output filename' do
+    conf = { in: video_path('old-movie.mpg'), file_name: 'test.webm' }
+    validConf = ffmpeg.validate_conversion_conf_for_web conf, :webm
+    assert_match /^\/.+\/web\/test.webm$/, validConf[:out]
+  end
+
+  should 'get video info' do
+    resp = ffmpeg.get_video_info video_path('old-movie.mpg')
+    assert_equal [:error, :parameters, :output, :metadata, :type, :duration, :global_bitrate, :streams], resp.keys
+    assert_equal '{code:0,message:Success.}', h2s(resp[:error])
+    assert_equal 'mpeg', resp[:type]
+    assert_equal 5, resp[:duration]
+    assert_equal 2428, resp[:global_bitrate]
+    assert_equal '{}', h2s(resp[:metadata])
+    assert_match /^\[i,\/[^,]*\/videos\/old-movie.mpg\]$/, h2s(resp[:parameters])
+    assert_match /^\{bitrate:104857,codec:mpeg1video,framerate:23.98,id:#0,size:\{h:480,w:720\},type:video\}$/, h2s(resp[:streams][0])
+    assert_match /^\{bitrate:128,codec:mp2,frequency:48000,id:#0,type:audio\}$/, h2s(resp[:streams][1])
+  end
+
+  should 'get video info with metadata' do
+    resp = ffmpeg.get_video_info video_path('atropelamento.ogv')
+    assert_equal '{comment:Stop-motion movie,title:Atropelamento}', h2s(resp[:metadata])
+  end
+
+  should 'convert to OGV' do
+    out_video = mkTempName :ogv
+    resp = ffmpeg.convert2ogv in: video_path('old-movie.mpg'), out: out_video
+    assert_equal [:error, :parameters, :output, :conf], resp.keys
+    assert_equal '{code:0,message:}', h2s(resp[:error])
+    assert_match /^\[i,\/[^,]*\/videos\/old-movie.mpg,y,b:v,600k,f,ogg,acodec,libvorbis,vcodec,libtheora,\/tmp\/[^,\/]*.ogv\]$/, h2s(resp[:parameters])
+    assert_match /^\{in:\/[^,]*\/videos\/old-movie.mpg,out:\/tmp\/[^,\/]*.ogv,type:OGV,vbrate:600\}$/, h2s(resp[:conf])
+    assert File.exist? out_video
+  end
+
+  should 'convert to MP4' do
+    out_video = mkTempName :mp4
+    resp = ffmpeg.convert2mp4 in: video_path('old-movie.mpg'), out: out_video
+    assert_equal [:error, :parameters, :output, :conf], resp.keys
+    assert_equal '{code:0,message:}', h2s(resp[:error])
+    assert_match /^\[i,\/[^,]*\/videos\/old-movie.mpg,y,b:v,600k,preset,slow,f,mp4,acodec,aac,vcodec,libx264,strict,-2,\/tmp\/[^,\/]*.mp4\]$/, h2s(resp[:parameters])
+    assert_match /^\{in:\/[^,]*\/videos\/old-movie.mpg,out:\/tmp\/[^,\/]*.mp4,type:MP4,vbrate:600\}$/, h2s(resp[:conf])
+    assert File.exist? out_video
+  end
+
+  should 'convert to WebM' do
+    out_video = mkTempName :webm
+    resp = ffmpeg.convert2webm in: video_path('old-movie.mpg'), out: out_video
+    assert_equal [:error, :parameters, :output, :conf], resp.keys
+    assert_equal '{code:0,message:}', h2s(resp[:error])
+    assert_match /^\[i,\/[^,]*\/videos\/old-movie.mpg,y,b:v,600k,f,webm,acodec,libvorbis,vcodec,libvpx,\/tmp\/[^,\/]*.webm\]$/, h2s(resp[:parameters])
+    assert_match /^\{in:\/[^,]*\/videos\/old-movie.mpg,out:\/tmp\/[^,\/]*.webm,type:WEBM,vbrate:600\}$/, h2s(resp[:conf])
+    assert File.exist? out_video
+  end
+
+  should 'convert to OGV for the web' do
+    resp = ffmpeg.make_ogv_for_web in: video_path('old-movie.mpg')
+    assert_equal [:error, :parameters, :output, :conf], resp.keys
+    assert_equal '{code:0,message:}', h2s(resp[:error])
+    assert_match /^\[i,\/[^,]*\/videos\/old-movie.mpg,y,b:v,1024k,f,ogg,acodec,libvorbis,vcodec,libtheora,s,640x426,b:a,128k,\/[^,]*\/videos\/web\/640x426_1024.ogv\]$/, h2s(resp[:parameters])
+    assert_match /^\/[^,]*\/videos\/web\/640x426_1024.ogv$/, resp[:conf][:out]
+    assert File.exist? resp[:conf][:out]
+  end
+
+  should 'convert to MP4 for the web' do
+    resp = ffmpeg.make_mp4_for_web in: video_path('old-movie.mpg')
+    assert_equal [:error, :parameters, :output, :conf], resp.keys
+    assert_equal '{code:0,message:}', h2s(resp[:error])
+    assert_match /^\[i,\/[^,]*\/videos\/old-movie.mpg,y,b:v,1024k,preset,slow,f,mp4,acodec,aac,vcodec,libx264,strict,-2,s,640x426,b:a,128k,\/[^,]*\/videos\/web\/640x426_1024.mp4\]$/, h2s(resp[:parameters])
+    assert_match /^\/[^,]*\/videos\/web\/640x426_1024.mp4$/, resp[:conf][:out]
+    assert File.exist? resp[:conf][:out]
+  end
+
+  should 'convert to WebM for the web' do
+    resp = ffmpeg.make_webm_for_web in: video_path('old-movie.mpg')
+    assert_equal [:error, :parameters, :output, :conf], resp.keys
+    assert_equal '{code:0,message:}', h2s(resp[:error])
+    assert_match /^\[i,\/[^,]*\/videos\/old-movie.mpg,y,b:v,1024k,f,webm,acodec,libvorbis,vcodec,libvpx,s,640x426,b:a,128k,\/[^,]*\/videos\/web\/640x426_1024.webm\]$/, h2s(resp[:parameters])
+    assert_match /^\/[^,]*\/videos\/web\/640x426_1024.webm$/, resp[:conf][:out]
+    assert File.exist? resp[:conf][:out]
+  end
+
+  should 'create video thumbnail' do
+    resp = ffmpeg.video_thumbnail video_path('old-movie.mpg')
+    assert_match /^\/web\/preview_160x120.jpg$/, resp[:big]
+    assert_match /^\/web\/preview_107x80.jpg$/, resp[:thumb]
+    assert File.exist?(video_path resp[:big])
+    assert File.exist?(video_path resp[:thumb])
+    assert_match /^\/[^ ]*\/videos\/+web\/preview_160x120.jpg JPEG 160x720 /, `identify #{video_path resp[:big]}`
+    assert_match /^\/[^ ]*\/videos\/+web\/preview_107x80.jpg JPEG 107x480 /, `identify #{video_path resp[:thumb]}`
+  end
+
+  should 'recognize ffmpeg version' do
+    assert_match /^[0-9]\.[0-9]\.[0-9]$/, ffmpeg.version
+  end
+
+  should 'list supported formats' do
+    formatMpeg = /^\{demux:true,description:MPEG-1 Systems[^}]+,mux:true\}$/
+    formatWebM = /^\{demux:false,description:WebM,mux:true\}$/
+    assert_match formatMpeg, h2s(ffmpeg.formats[:mpeg])
+    assert_match formatWebM, h2s(ffmpeg.formats[:webm])
+  end
+
+  should 'list supported codecs' do
+    codecOpus = /^\{decode:true,description:Opus[^,]+,direct_rendering:false,draw_horiz_band:false,encode:true,type:audio,wf_trunc:false\}$/
+    codecVorb = /^\{decode:true,description:Vorbis[^,]+,direct_rendering:false,draw_horiz_band:false,encode:true,type:audio,wf_trunc:false\}$/
+    assert_match codecOpus, h2s(ffmpeg.codecs[:opus])
+    assert_match codecVorb, h2s(ffmpeg.codecs[:vorbis])
+  end
+
+end
@@ -0,0 +1,193 @@
+require File.dirname(__FILE__) + '/../../../../test/test_helper'
+require File.dirname(__FILE__) + '/../download_fixture'
+$LOAD_PATH << File.dirname(__FILE__) + '/../../lib/'
+require 'html5_video_plugin.rb'
+
+class VideoPresenterTest < ActiveSupport::TestCase
+
+  #include Html5VideoPlugin::Ffmpeg
+
+  def create_video(file, mime)
+    file = UploadedFile.create!(
+      :uploaded_data => fixture_file_upload('/videos/'+file, mime),
+      :profile => fast_create(Person))
+  end
+
+  def process_video(file)
+    process_delayed_job_queue
+    file.reload
+    FilePresenter::Video.new file
+  end
+
+  def create_and_proc_video(file, mime)
+    process_video(create_video(file, mime))
+  end
+
+  def setup
+    Environment.default.enable_plugin Html5VideoPlugin
+  end
+
+  should 'accept to encapsulate a video file' do
+    file = create_video 'old-movie.mpg', 'video/mpeg'
+    assert_equal 10, FilePresenter::Video.accepts?(file)
+  end
+
+  should 'retrieve meta-data' do
+    video = create_and_proc_video('old-movie.mpg', 'video/mpeg')
+    assert_equal 'Video (MPEG)', video.short_description, 'describe the file type'
+    assert_equivalent video.meta_data.settings.keys,
+      [:image_previews, :original_video, :web_versions]
+    assert_equivalent video.original_video.keys,
+      [:metadata, :type, :streams, :global_bitrate, :error, :duration, :parameters]
+    assert_equal h2s([:OGV, :WEBM]), h2s(video.web_versions.keys)
+  end
+
+  should 'retrieve all web versions' do
+    video1 = create_and_proc_video('old-movie.mpg', 'video/mpeg')
+    video2 = create_and_proc_video('atropelamento.ogv', 'video/ogg')
+    # make video2 as fake valid web video:
+    audio = video2.original_video[:streams].find{|s| s[:type] == 'audio' }
+    audio = audio[:codec] = 'vorbis'
+    assert_equal video1.web_versions, video1.web_versions!, 'all web versions (1)'
+    assert_equal h2s(video2.web_versions[:OGV].merge(:orig => {
+      :type => :OGV,
+      :status => "done",
+      :vbrate => 334,
+      :size_name => "orig",
+      :file_name => "atropelamento.ogv",
+      :size => {:h=>130, :w=>208},
+      :original => true,
+      :path => video2.public_filename,
+      :abrate => 0 })),
+      h2s(video2.web_versions![:OGV]), 'all web versions (2)'
+    # test get the tiniest web version:
+    data = video1.tiniest_web_version(:OGV)
+    assert_equal h2s(data), h2s(
+      :type=>:OGV, :size_name=>"tiny", :status=>"done",
+      :fps=>12, :abrate=>64, :vbrate=>250, :size=>{:h=>212, :w=>320},
+      :path=>File.join(Rails.root,"/test/tmp/0000/#{'%04d'%video1.id}/web/tiny.ogv"),
+      :file_name=>"tiny.ogv" )
+  end
+
+  should 'know if it has ready_web_versions' do
+    file = create_video 'old-movie.mpg', 'video/mpeg'
+    video = FilePresenter::Video.new file
+    assert_equal h2s(video.ready_web_versions), h2s({})
+    video = process_video file
+    web_versions = video.ready_web_versions
+    assert_equal 'nice.ogv',  web_versions[:OGV][:nice][:file_name]
+    assert_equal 'tiny.ogv',  web_versions[:OGV][:tiny][:file_name]
+    assert_equal 'nice.webm', web_versions[:WEBM][:nice][:file_name]
+    assert_equal 'tiny.webm', web_versions[:WEBM][:tiny][:file_name]
+  end
+
+  should 'know its tiniest_web_version' do
+    video = create_and_proc_video 'atropelamento.ogv', 'video/ogg'
+    tiniestOGV = video.tiniest_web_version :OGV
+    tiniestWEBM = video.tiniest_web_version :WEBM
+    assert_equal h2s({w:208,h:130}), h2s(tiniestOGV[:size])
+    assert_equal :OGV, tiniestOGV[:type]
+    assert_equal h2s({w:208,h:130}), h2s(tiniestWEBM[:size])
+    assert_equal :WEBM, tiniestWEBM[:type]
+    assert_equal nil, video.tiniest_web_version(:MP4)
+  end
+
+  should 'know if it has_ogv_version' do
+    video = create_and_proc_video 'old-movie.mpg', 'video/mpeg'
+    assert video.has_ogv_version
+  end
+
+  should 'know if it has_mp4_version' do
+    video = create_and_proc_video 'old-movie.mpg', 'video/mpeg'
+    assert not(video.has_mp4_version), 'must NOT to list MP4'
+    video.web_versions[:MP4] = {SIZE: {file_name:'sized.mp4', status:'done'} }
+    assert video.has_mp4_version, 'must to list MP4'
+  end
+
+  should 'know if it has_webm_version' do
+    video = create_and_proc_video 'old-movie.mpg', 'video/mpeg'
+    assert video.has_webm_version
+  end
+
+  should 'list its web_version_jobs' do
+    videoA = FilePresenter::Video.new create_video 'old-movie.mpg', 'video/mpeg'
+    videoB = FilePresenter::Video.new create_video 'atropelamento.ogv', 'video/ogg'
+    jobA = videoA.web_version_jobs.map &:payload_object
+    jobB = videoB.web_version_jobs.map &:payload_object
+    # TODO: jobA.length must be 4.
+    # `Html5VideoPlugin::uploaded_file_after_create_callback` is been called two times
+    #assert_equal 4, jobA.length
+    assert_equal Html5VideoPlugin::CreateVideoForWebJob, jobA[0].class
+    assert_equal :OGV, jobA[0].format
+    assert_equal :tiny, jobA[0].size
+    assert_match /.*\/old-movie.mpg$/, jobA[0].full_filename
+    assert_equal Html5VideoPlugin::CreateVideoForWebJob, jobA[1].class
+    assert_equal :WEBM, jobA[1].format
+    assert_equal :tiny, jobA[1].size
+    assert_match /.*\/old-movie.mpg$/, jobA[1].full_filename
+    assert_equal Html5VideoPlugin::CreateVideoForWebJob, jobA[2].class
+    assert_equal :OGV, jobA[2].format
+    assert_equal :nice, jobA[2].size
+    assert_match /.*\/old-movie.mpg$/, jobA[1].full_filename
+    assert_equal Html5VideoPlugin::CreateVideoForWebJob, jobA[3].class
+    assert_equal :WEBM, jobA[3].format
+    assert_equal :nice, jobA[3].size
+    assert_match /.*\/old-movie.mpg$/, jobA[1].full_filename
+    assert_equal Html5VideoPlugin::CreateVideoForWebJob, jobB[0].class
+    assert_equal :OGV, jobB[0].format
+    assert_equal :tiny, jobB[0].size
+    assert_match /.*\/atropelamento.ogv$/, jobB[0].full_filename
+    assert_equal Html5VideoPlugin::CreateVideoForWebJob, jobB[1].class
+    assert_equal :WEBM, jobB[1].format
+    assert_equal :tiny, jobB[1].size
+    assert_match /.*\/atropelamento.ogv$/, jobB[1].full_filename
+  end
+
+  should 'list its web_preview_jobs' do
+    videoA = FilePresenter::Video.new create_video 'old-movie.mpg', 'video/mpeg'
+    videoB = FilePresenter::Video.new create_video 'atropelamento.ogv', 'video/ogg'
+    jobA = videoA.web_preview_jobs.map &:payload_object
+    jobB = videoB.web_preview_jobs.map &:payload_object
+    # TODO: jobA.length must be 1.
+    # `Html5VideoPlugin::uploaded_file_after_create_callback` is been called two times
+    #assert_equal 1, jobA.length
+    assert_equal Html5VideoPlugin::CreateVideoPreviewJob, jobA[0].class
+    assert_match /.*\/old-movie.mpg$/, jobA[0].full_filename
+    assert_equal Html5VideoPlugin::CreateVideoPreviewJob, jobB[0].class
+    assert_match /.*\/atropelamento.ogv$/, jobB[0].full_filename
+  end
+
+  should 'know if it has_previews' do
+    video = create_and_proc_video 'old-movie.mpg', 'video/mpeg'
+    assert video.has_previews?
+  end
+
+  should 'list its image previews' do
+    video = create_and_proc_video 'old-movie.mpg', 'video/mpeg'
+    assert_equal h2s(big:'/web/preview_160x120.jpg', thumb:'/web/preview_107x80.jpg'), h2s(video.previews)
+  end
+
+  should 'set its image previews' do
+    video = FilePresenter::Video.new create_video 'old-movie.mpg', 'video/mpeg'
+    assert_equal nil, video.previews
+    video.previews = {big:'big.jpg', thumb:'thumb.jpg'}
+    assert_equal h2s(big:'big.jpg', thumb:'thumb.jpg'), h2s(video.previews)
+  end
+
+  should 'get image_preview for a processed video' do
+    video = create_and_proc_video 'old-movie.mpg', 'video/mpeg'
+    assert_match /\/[0-9]+\/web\/preview_160x120\.jpg/, video.image_preview(:big)
+  end
+
+  should 'get default image_preview for non processed video' do
+    video = FilePresenter::Video.new create_video 'old-movie.mpg', 'video/mpeg'
+    assert_match /\/html5_video\/images\/video-preview-big\.png/, video.image_preview(:big)
+  end
+
+  should 'list its conversion_errors' do
+    video = FilePresenter::Video.new create_video 'old-movie.mpg', 'video/mpeg'
+    video.web_versions[:MP4] = {nice: {status:'error converting', error:{code:-99,message:'some error',output:'abcde'}} }
+    assert_equal h2s(MP4:{nice:{code:-99,message:'some error',output:'abcde'}}), h2s(video.conversion_errors)
+  end
+
+end
@@ -0,0 +1,29 @@
+<div class="video-box">
+  <%
+    if video
+      video_ogv = video.tiniest_web_version :OGV
+      video_mp4 = video.tiniest_web_version :MP4
+      video_webm = video.tiniest_web_version :WEBM
+      video_ogv_path = video_ogv ? video_ogv[:path] : ''
+      video_mp4_path = video_mp4 ? video_mp4[:path] : ''
+      video_webm_path = video_webm ? video_webm[:path] : ''
+      embed_video_path = video_webm ? video_webm_path : \
+                         video_ogv ? video_ogv_path : video_mp4_path
+    end
+  %>
+  <video class="article-video-player"
+         style="width:100%; height:auto;"
+         preload="metadata"
+         controls="controls">
+    <% if video_webm %><source src="<%= video_webm_path %>" type="video/webm" /><% end %>
+    <% if video_ogv %><source src="<%= video_ogv_path %>" type="video/ogg" /><% end %>
+    <% if video_mp4 %><source src="<%= video_mp4_path %>" type="video/mp4" /><% end %>
+    <strong><%= _('Sorry, your browser doesn&rsquo;t support video.') %></strong>
+    <br/> <%= _('Please try the new %s or %s.') % [
+      '<a href="http://getfirefox.com">Firefox</a>',
+      '<a href="http://www.chromium.org/Home">Chromium</a>' ] %>
+  </video>
+  <div class="video-ctrl">
+    <a href="<%= video ? video.public_filename : '' %>" class="download-bt"><%=_('Download')%></a>
+  </div>
+</div><!-- video-box -->
@@ -0,0 +1,93 @@
+<div>
+  <%= @page.body %>
+</div>
+
+<div class="video-channel">
+  <% if ! @page.children.all.find {|f| f.content_type =~ /^video\//} %>
+    <p><em><%= _('This channel contains no videos yet') %></em></p>
+  <% else %>
+    <div class="video-player">
+      <h2></h2>
+      <%= render :partial => 'video_player', :locals => {:video => nil} %>
+      <div class="video-player-info">
+        <div class="quality">
+          <strong><%=_('Quality options')%>:</strong>
+          <ul></ul>
+        </div>
+        <div class="tags">
+          <strong><%=_('Tags')%>:</strong>
+          <div class="data"></div>
+        </div>
+        <div class="abstract">
+          <strong><%=_('Description')%>:</strong>
+          <div class="data"></div>
+        </div>
+      </div>
+      <br style="clear: both"/>
+    </div>
+    <ul class="video-list">
+      <% unconverted_videos = []
+         @page.children.
+               map{|f| FilePresenter.for f }.
+               select{|f| f.class == FilePresenter::Video}.
+               sort_by{|f| - f.created_at.to_i}.each do |f|
+           unless f.has_web_version
+             unconverted_videos << f
+           else %>
+        <li class="video-list-item" title="<%=html_escape f.title%>">
+          <%= link_to(
+                content_tag('strong',
+                  f.title.
+                    gsub(/([a-z0-9])_+([a-z0-9])/i, '\1 \2').
+                    gsub(/\.[a-z0-9]{2,4}$/i, '')
+                ),
+                f.view_url,
+                {
+                  'data-poster'      => f.image_preview(:big),
+                  'data-download'    => f.public_filename,
+                  'data-webversions' => CGI::escapeHTML(f.web_versions!.to_json),
+                  :style => "background-image:url(#{f.image_preview(:big)})"
+                }) %>
+          <ul>
+            <li class="vli-data-tags">
+              <strong>tags:</strong>
+              <div><%= linked_article_tags f %></div>
+            </li>
+          </ul>
+          <div class="abstract"><%= f.abstract %></div>
+        </li>
+      <% end end %>
+    </ul>
+  <% end %>
+
+  <% if unconverted_videos && !unconverted_videos.empty? %>
+    <div class="unconverted-videos">
+      <p onclick="jQuery('ul',this.parentNode).slideToggle()">
+        <span><%= n_(
+            'This channel has one video waiting to be converted',
+            'This channel has %d videos waiting to be converted',
+            unconverted_videos.length
+          ) % unconverted_videos.length
+        %></span>
+      </p>
+      <ul style="display:none">
+        <% unconverted_videos.each do |f| %>
+          <li><%= link_to f.title, f.view_url %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <% if @page.children.all.find {|f| f.content_type !~ /^video\//} %>
+    <div class="non-video-list">
+      <h3><%=_('Non video files')%></h3>
+      <%= list_articles( @page.children.all.select {|f| f.content_type !~ /^video\// } ) %>
+    </div>
+  <% end %>
+
+</div>
+
+<script type="text/javascript">
+  new VideoChannel( jQuery(".video-channel").last() );
+</script>
+
-<video class="video-js vjs-default-skin" controls poster="video.jpg" preload="auto" data-setup="{}">
-  <source type="video/ogg" src="<%= video.public_filename %>"/>
-</video>
+<% pub_path = __FILE__.sub /.*(\/plugins\/[^\/]+\/).*/, '\1' %>
+<div class="video-player">
+  <% if video.has_web_version %>
+    <%= render :partial => 'video_player', :locals => {:video => video} %>
+  <% elsif not video.web_version_jobs.empty? %>
+    <div class="message">
+      <%=_('Queued to generate the web version. Come back soon.')%>
+    </div>
+  <% else %>
+    <div class="message">
+      <%=_('This video is not queued to the video conversor. Contact the site admin.')%>
+    </div>
+  <% end %>
+  <div class="video-player-info">
+    <div class="quality"><strong><%=_('Quality options')%>:</strong> <ul></ul></div>
+    <div class="abstract">
+      <strong><%=_('Description')%>:</strong>
+      <div class="data"><%= video.abstract %></div>
+    </div>
+  </div><!-- class="video-player-info" -->
+  <br style="clear: both"/>
+</div><!-- class="video-player" -->
-<div class="uploaded-file-description <%= 'empty' if video.abstract.blank? %>">
-  <%= video.abstract %>
-</div>
+<% if video.has_web_version %>
+  <script type="text/javascript">
+    var player = new NoosferoVideoPlayer( jQuery(".article-body").last() );
+    player.videoList = <%= video.web_versions!.to_json %>;
+    player.selectWebVersion();
+  </script>
+<% end %>
+<% if video.allow_edit?(user) && !video.conversion_errors.blank? %>
+<div class="conversion-error">
+<h2><%=_('Video conversion errors')%></h2>
+<ul>
+  <% video.conversion_errors.each do |type, type_block| %>
+    <% type_block.each do |size, size_block| %>
+      <%
+        message, code, output = size_block[:message], size_block[:code], size_block[:output]
+        # hide version header to non admins
+        message.sub!(/^([^\n]*\n){2}/,'') unless user.is_admin?
+      %>
+      <li>
+        <h3><%= _('Error while converting %{orig_type} to %{new_type}, %{size} size.') % {
+          :orig_type=>video.content_type.split('/')[1], :new_type=>type, :size=>size
+        } %></h3>
+        <%= _('Code %s') % content_tag('strong',code) +' &mdash; '+ message.to_s %>
+        <pre class="output" style="display:none"><%= output %></pre>
+        <%= link_to _('display full output'), '#',
+          :class => 'show-output',
+          :onclick => 'jQuery(".output",this.parentNode).show(); jQuery(this).hide(); return false'
+        %>
+      </li>
+    <% end %>
+  <% end %>
+</ul>
+</div>
+<% end %>
@@ -137,6 +137,18 @@ class ActiveSupport::TestCase
     assert reference.blank?, "The following elements are not in the collection: #{reference.inspect}"
   end
+  def h2s(value) # make a string from ordered hash to simplify tests
+    case value
+      when Hash, HashWithIndifferentAccess
+        '{'+ value.stringify_keys.to_a.sort{|a,b|a[0]<=>b[0]}.map{ |k,v| k+':'+h2s(v) }.join(',') +'}'
+      when Array
+        '['+ value.map{|i|h2s(i)}.join(',') +']'
+      when NilClass
+        '<nil>'
+      else value.to_s
+    end
+  end
+
   # For models that render views (blocks, articles, ...)
   def self.action_view
     @action_view ||= begin
@@ -17,9 +17,13 @@ class PluginHotSpotTest &lt; ActiveSupport::TestCase
   Noosfero::Plugin::HotSpot::CALLBACK_HOTSPOTS.each do |callback|
     should "call #{callback} hotspot" do
-      class CoolPlugin < Noosfero::Plugin; end
+      class CoolPlugin < Noosfero::Plugin
+        include Noosfero::Plugin::HotSpot
+      end
-      Noosfero::Plugin.stubs(:all).returns([CoolPlugin.name])
+      CoolPlugin.any_instance.stubs("comment_#{callback}_callback".to_sym).returns(";)")
+
+      Noosfero::Plugin.stubs(:all).returns(['PluginHotSpotTest::CoolPlugin'])
       Environment.default.enable_plugin(CoolPlugin)
       CoolPlugin.any_instance.expects("comment_#{callback}_callback".to_sym)
	@@ -67,4 +67,17 @@ module TagsHelper		@@ -67,4 +67,17 @@ module TagsHelper
67	end.join("\n").html_safe	67	end.join("\n").html_safe
68	end	68	end
69		69
		70	+ def linked_article_tags(article)
		71	+ if @profile
		72	+ # We are rendering a page inside a profile, so link to the profile tag search.
		73	+ url = { :controller => 'profile', :profile => @profile.identifier, :action => 'tags' }
		74	+ tagname_option = :id
		75	+ else
		76	+ # We are rendering a page outside a profile, so link to the global tag search.
		77	+ url = { :action => 'tag' }
		78	+ tagname_option = :tag
		79	+ end
		80	+ article.tags.map { \|t\| link_to(t, url.merge(tagname_option=>t.name) ) }.join("\n")
		81	+ end
		82	+
70	end	83	end
	@@ -9,6 +9,12 @@ class UploadedFile < Article		@@ -9,6 +9,12 @@ class UploadedFile < Article
9		9
10	attr_accessible :uploaded_data, :title	10	attr_accessible :uploaded_data, :title
11		11
		12	+ include Noosfero::Plugin::HotSpot
		13	+
		14	+ def environment
		15	+ profile.environment
		16	+ end
		17	+
12	def self.type_name	18	def self.type_name
13	_('File')	19	_('File')
14	end	20	end
	@@ -124,3 +124,8 @@ end		@@ -124,3 +124,8 @@ end
124	Dir.glob(File.join('app', 'presenters', '*.rb')) do \|file\|	124	Dir.glob(File.join('app', 'presenters', '*.rb')) do \|file\|
125	load file	125	load file
126	end	126	end
		127	+
		128	+# Preload FilePresenters from plugins to allow `FilePresenter.for()` to work
		129	+Dir.glob(File.join('plugins', '', 'lib', 'presenters', '.rb')) do \|file\|
		130	+ load file
		131	+end
	@@ -10,7 +10,8 @@ class Noosfero::Plugin::Settings		@@ -10,7 +10,8 @@ class Noosfero::Plugin::Settings
10	end	10	end
11		11
12	def settings	12	def settings
13	- @base.settings["#{@plugin.public_name}_plugin".to_sym] \|\|= {}	13	+ settings_field = @base.class.settings_field
		14	+ @base.send(settings_field)["#{@plugin.public_name}_plugin".to_sym] \|\|= {}
14	end	15	end
15		16
16	def method_missing(method, *args, &block)	17	def method_missing(method, *args, &block)
@@ -0,0 +1,20 @@		@@ -0,0 +1,20 @@
	1	+Feature: video player
	2	+ As a noosfero visitor
	3	+ I want to view a video page and play it
	4	+
	5	+ Background:
	6	+ Given plugin Html5Video is enabled on environment
	7	+ And the following users
	8	+ \| login \| name \|
	9	+ \| joaosilva \| Joao Silva \|
	10	+ And the following uploaded files
	11	+ \| owner \| filename \| mime \|
	12	+ \| joaosilva \| ../videos/old-movie.mpg \| video/mpeg \|
	13	+ And there are no pending jobs
	14	+
	15	+ @selenium
	16	+ Scenario: controls must work
	17	+ Given I am on /joaosilva/old-movie.mpg?view=true
	18	+ Then The page should contain only 2 ".video-player .quality li.ui-button"
	19	+ When I click ".video-player .video-box .zoom"
	20	+ Then the element ".video-player" has class "zoom-in"
	@@ -1,10 +0,0 @@	@@ -1,10 +0,0 @@
1	-class FilePresenter::Video < FilePresenter
2	- def self.accepts?(f)
3	- return nil if !f.respond_to?(:content_type) \|\| f.content_type.nil?
4	- ( f.content_type[0..4] == 'video' ) ? 10 : nil
5	- end
6	-
7	- def short_description
8	- _('Video (%s)') % content_type.split('/')[1].upcase
9	- end
10	-end
1	class Html5VideoPlugin < Noosfero::Plugin	1	class Html5VideoPlugin < Noosfero::Plugin
2		2
3	- FilePresenter::Video
4	-
5	def self.plugin_name	3	def self.plugin_name
6	"HTML5 Video"	4	"HTML5 Video"
7	end	5	end
8		6
		7	+ def stylesheet?
		8	+ true
		9	+ end
		10	+
		11	+ def js_files
		12	+ ['video-channel.js']
		13	+ end
		14	+
9	def self.plugin_description	15	def self.plugin_description
10	_("A plugin to enable the video suport, with auto conversion for the web.")	16	_("A plugin to enable the video suport, with auto conversion for the web.")
11	end	17	end
12		18
		19	+ def content_types
		20	+ [Html5VideoPlugin::VideoChannel]
		21	+ end
		22	+
		23	+ def view_page_layout(controller, page)
		24	+ if FilePresenter.for(page).is_a? FilePresenter::Video and controller.params[:display] == 'iframe'
		25	+ 'html5_video_plugin_iframe'
		26	+ end
		27	+ end
		28	+
		29	+ def uploaded_file_after_create_callback(uploaded_file)
		30	+ full_filename = uploaded_file.full_filename
		31	+ file_presenter = FilePresenter.for(uploaded_file)
		32	+ if file_presenter.is_a? FilePresenter::Video
		33	+ job = Html5VideoPlugin::CreateVideoPreviewJob.new
		34	+ job.file_type = uploaded_file.class.name
		35	+ job.file_id = uploaded_file.id
		36	+ job.full_filename = full_filename
		37	+ Delayed::Job.enqueue job, priority: 10
		38	+ [
		39	+ [:OGV, :tiny, 11],
		40	+ [:WEBM, :tiny, 12],
		41	+ [:OGV, :nice, 13],
		42	+ [:WEBM, :nice, 14],
		43	+ ].each do \|format, size, priority\|
		44	+ job = Html5VideoPlugin::CreateVideoForWebJob.new
		45	+ job.file_type = uploaded_file.class.name
		46	+ job.file_id = uploaded_file.id
		47	+ job.full_filename = full_filename
		48	+ job.format = format
		49	+ job.size = size
		50	+ Delayed::Job.enqueue job, priority: priority
		51	+ end
		52	+ end
		53	+ end
13	end	54	end
@@ -0,0 +1,161 @@		@@ -0,0 +1,161 @@
	1	+class Html5VideoPlugin::CreateVideoForWebJob
	2	+
	3	+ # TODO: we must to add timeout to ffmpeg to allow this object to set this on error:
	4	+ # @video.video_info[:conversion] = :timeout
	5	+ # TODO: must remove web folder when delete the video
	6	+
	7	+ attr_accessor :file_type, :file_id, :full_filename, :format, :size
	8	+
	9	+ def perform
	10	+ return unless file_type.constantize.exists?(file_id)
	11	+ @ffmpeg = Html5VideoPlugin::Ffmpeg.new
	12	+
	13	+ @video = FilePresenter.for file_type.constantize.find(file_id)
	14	+ throw "Expected file #{file_id} to be a video" unless @video.is_a?(FilePresenter::Video)
	15	+
	16	+ @video_file = full_filename
	17	+
	18	+ @info = @ffmpeg.get_video_info @video_file
	19	+
	20	+ if @info[:error][:code] == 0
	21	+ @video.original_video = @info.except :output
	22	+ register_conv_status 'started'
	23	+ @video.save!
	24	+ else
	25	+ register_conv_status 'error reading'
	26	+ register_conv_error @info[:error]
	27	+ @video.save!
	28	+ Rails.logger.error "FFmpeg ERROR while reading '#{@video_file}': #{@info[:error][:message]}"
	29	+ return
	30	+ end
	31	+
	32	+ @orig_size = @info.video_stream[0][:size]
	33	+ @brate = @info.video_stream[0][:bitrate] \|\| @info[:global_bitrate] \|\| 400
	34	+
	35	+ convert_to_tiny if size == :tiny
	36	+ convert_to_nice if size == :nice
	37	+ @video.save!
	38	+ 1
	39	+ end
	40	+
	41	+ def register_conv_status( status )
	42	+ @video.web_versions[format] \|\|= {}
	43	+ @video.web_versions[format][size] \|\|= {}
	44	+ @video.web_versions[format][size][:status] = status
	45	+ @video.save!
	46	+ end
	47	+
	48	+ def register_conv_conf( conf )
	49	+ @video.web_versions[format] \|\|= {}
	50	+ @video.web_versions[format][size] \|\|= {}
	51	+ @video.web_versions[format][size].merge! conf
	52	+ @video.save!
	53	+ end
	54	+
	55	+ def register_conv_error( error )
	56	+ @video.web_versions[format] \|\|= {}
	57	+ @video.web_versions[format][size] \|\|= {}
	58	+ @video.web_versions[format][size][:error] = error
	59	+ @video.save!
	60	+ end
	61	+
	62	+ def is_ogv
	63	+ @info[:type] == 'ogv' &&
	64	+ @info.video_stream[0][:codec] == 'theora' &&
	65	+ @info.audio_stream[0][:codec] == 'vorbis'
	66	+ end
	67	+
	68	+ def is_mp4
	69	+ @info[:type] == 'mp4' &&
	70	+ @info.video_stream[0][:codec] == 'libx264' &&
	71	+ @info.audio_stream[0][:codec] == 'libfaac'
	72	+ end
	73	+
	74	+ def is_webm
	75	+ @info[:type] == 'webm' &&
	76	+ @info.video_stream[0][:codec] == 'libvpx'
	77	+ end
	78	+
	79	+ def register_conversion response
	80	+ conf = response[:conf].clone
	81	+ if response[:error][:code] == 0
	82	+ conf[:path] = conf[:out].sub /^.*(\/articles)/, '\1'
	83	+ conf.delete :in
	84	+ conf.delete :out
	85	+ register_conv_conf conf
	86	+ register_conv_status 'done'
	87	+ @video.save!
	88	+ else
	89	+ register_conv_status 'error converting'
	90	+ register_conv_conf conf
	91	+ error = response[:error].clone
	92	+ error[:output] = response[:output]
	93	+ register_conv_error error
	94	+ Rails.logger.error "FFmpeg ERROR while converting '#{conf[:in]}' to #{conf[:type]}: #{response[:error][:message]}"
	95	+ end
	96	+ end
	97	+
	98	+ def is_big
	99	+ @orig_size[:w] > 400 \|\| @brate >= 400
	100	+ end
	101	+
	102	+ def is_toobig
	103	+ @orig_size[:w] > 600
	104	+ end
	105	+
	106	+ # The smaller version for slow connections
	107	+ def convert_to_tiny
	108	+ audio_stream = @video.original_video[:streams].find{\|s\| s[:type] == 'audio'}
	109	+ abrate = audio_stream.nil? ? 64 : audio_stream[:bitrate] \|\| 64
	110	+ abrate = 64 if abrate > 64
	111	+ conf = { :size_name=>'tiny', :in=>@video_file,
	112	+ :fps=>12, :vbrate=>250, :abrate=>abrate }
	113	+ if is_big
	114	+ # Low weight video dimension for each Aspect Ratio:
	115	+ # * 320x240 for 4:3
	116	+ # * 320x180 for 16:9
	117	+ # This are Best and Good values with the same width based on this page:
	118	+ # http://www.flashsupport.com/books/fvst/files/tools/video_sizes.html
	119	+ h = ( 320.0 / (@orig_size[:w].to_f/@orig_size[:h].to_f) ).round
	120	+ h -= 1 if h % 2 == 1
	121	+ size = { :w=>320, :h=>h }
	122	+ conf[:size] = size
	123	+ end
	124	+ if format == :OGV && ( is_big \|\| ! is_ogv )
	125	+ conf[:file_name] = 'tiny.ogv'
	126	+ register_conversion @ffmpeg.make_ogv_for_web(conf)
	127	+ end
	128	+ if format == :WEBM && ( is_big \|\| ! is_webm )
	129	+ conf[:file_name] = 'tiny.webm'
	130	+ register_conversion @ffmpeg.make_webm_for_web(conf)
	131	+ end
	132	+ end
	133	+
	134	+ # The nicer common version
	135	+ def convert_to_nice
	136	+ if is_toobig
	137	+ # Max video dimension for each Aspect Ratio:
	138	+ # * 576x432 for 4:3
	139	+ # * 576x324 for 16:9
	140	+ # This are Best and Good values with the same width based on this page:
	141	+ # http://www.flashsupport.com/books/fvst/files/tools/video_sizes.html
	142	+ # Width 640 has Better result to 16:9, but that will also make bigger
	143	+ # file weight.
	144	+ h = ( 576.0 / (@orig_size[:w].to_f/@orig_size[:h].to_f) ).round
	145	+ size = { :w=>576, :h=>h.to_i }
	146	+ conf = { :in=>@video_file, :size=>size, :vbrate=>@brate }
	147	+ else
	148	+ conf = { :in=>@video_file, :vbrate=>@brate }
	149	+ end
	150	+ conf[:size_name] = 'nice'
	151	+ if format == :OGV && ( is_toobig \|\| ! is_ogv )
	152	+ conf[:file_name] = 'nice.ogv'
	153	+ register_conversion @ffmpeg.make_ogv_for_web(conf)
	154	+ end
	155	+ if format == :WEBM && ( is_toobig \|\| ! is_webm )
	156	+ conf[:file_name] = 'nice.webm'
	157	+ register_conversion @ffmpeg.make_webm_for_web(conf)
	158	+ end
	159	+ end
	160	+
	161	+end
@@ -0,0 +1,27 @@		@@ -0,0 +1,27 @@
	1	+class Html5VideoPlugin::CreateVideoPreviewJob
	2	+
	3	+ attr_accessor :file_type, :file_id, :full_filename
	4	+
	5	+ def perform
	6	+ return unless file_type.constantize.exists?(file_id)
	7	+ ffmpeg = Html5VideoPlugin::Ffmpeg.new
	8	+
	9	+ video = FilePresenter.for file_type.constantize.find(file_id)
	10	+ throw "Expected file #{file_id} to be a video" unless video.is_a? FilePresenter::Video
	11	+
	12	+ video_file = full_filename
	13	+
	14	+ response = ffmpeg.video_thumbnail(video_file)
	15	+
	16	+ if response.kind_of?(Hash) && response[:error] && response[:error][:code] != 0
	17	+ video.previews = :fail
	18	+ video.save!
	19	+ Rails.logger.error "ERROR while generating '#{video_file}' image preview: #{response[:error][:message]}"
	20	+ return
	21	+ end
	22	+
	23	+ video.previews = response
	24	+ video.save!
	25	+ end
	26	+
	27	+end
@@ -0,0 +1,354 @@		@@ -0,0 +1,354 @@
	1	+# Works for ffmpeg version 2.8.6-1~bpo8 shiped by Debian Jessie Backports
	2	+# https://packages.debian.org/jessie-backports/ffmpeg
	3	+# Add this line to your /etc/apt/sources.list:
	4	+# deb http://http.debian.net/debian jessie-backports main
	5	+# then: aptitude install ffmpeg
	6	+class Html5VideoPlugin::Ffmpeg
	7	+
	8	+ def run(*parameters)
	9	+ parameters = parameters.flatten
	10	+ cmd = ['ffmpeg'] + parameters.map do \|p\|
	11	+ p.kind_of?(Symbol) ? '-'+p.to_s : p.to_s
	12	+ end
	13	+ io = IO.popen({'LANG'=>'C.UTF-8'}, cmd, err: [:child, :out])
	14	+ output = io.read
	15	+ io.close
	16	+ response = {
	17	+ error: { :code => 0, :message => '' },
	18	+ parameters: parameters,
	19	+ output: output
	20	+ }
	21	+ if $?.exitstatus != 0 then
	22	+ if $?.exitstatus == 127 then
	23	+ throw 'There is no FFmpeg installed!'
	24	+ end
	25	+ response[:error][:code] = -1
	26	+ response[:error][:message] = _('Unknow error')
	27	+ if match = /\n\s([^\n]): No such file or directory\s*\n/i.match(output)
	28	+ response[:error][:code] = 1
	29	+ response[:error][:message] = _('No such file or directory "%s".') % match[1]
	30	+ elsif output =~ /At least one output file must be specified/i
	31	+ response[:error][:code] = 2
	32	+ response[:error][:message] = _('No output defined.')
	33	+ elsif match = /\n\s*Unknown encoder[\s']+([^\s']+)/i.match(output)
	34	+ response[:error][:code] = 3
	35	+ response[:error][:message] = _('Unknown encoder "%s".') % match[1]
	36	+ elsif output =~ /\n\s*Error while opening encoder for output/i
	37	+ response[:error][:code] = 4
	38	+ response[:error][:message] = _('Error while opening encoder for output - maybe incorrect parameters such as bit rate, frame rate, width or height.')
	39	+ elsif match = /\n\s*Could not open '([^\s']+)/i.match(output)
	40	+ response[:error][:code] = 5
	41	+ response[:error][:message] = _('Could not open "%s".') % match[1]
	42	+ elsif match = /\n\sUnsupported codec (.) for (.) stream (.)/i.match(output)
	43	+ response[:error][:code] = 6
	44	+ response[:error][:message] = _('Unsupported codec %{codec} for %{act} stream %{id}.') %
	45	+ { :codec=>match[1], :act=>match[2], :id=>match[3] }
	46	+ elsif output =~ /Unable to find a suitable output format/i
	47	+ response[:error][:code] = 7
	48	+ response[:error][:message] = _('Unable to find a suitable output format for %{file}.') %
	49	+ { :file=>parameters[-1] }
	50	+ elsif output =~ /Invalid data found when processing input/i
	51	+ response[:error][:code] = 8
	52	+ response[:error][:message] = _('Invalid data found when processing input.')
	53	+ end
	54	+ end
	55	+ return response
	56	+ end
	57	+
	58	+ def register_information
	59	+ response = self.run(:formats)[:output]
	60	+ @@version = /^\s*FFmpeg version ([0-9.]+)/i.match(response)[1]
	61	+ @@formats = {}
	62	+ response.split('--')[-1].strip.split("\n").each do \|line\|
	63	+ if pieces = / (.)(.) ([^\s]+)\s+([^\s].*)/.match(line)
	64	+ @@formats[pieces[3].to_sym] = {
	65	+ demux: ( pieces[1] == 'D' ),
	66	+ mux: ( pieces[2] == 'E' ),
	67	+ description: pieces[4].strip
	68	+ }
	69	+ end
	70	+ end
	71	+ response = self.run(:codecs)[:output]
	72	+ @@codecs = {}
	73	+ response.split('--')[-1].strip.split("\n").each do \|line\|
	74	+ if pieces = / (.)(.)(.)(.)(.)(.) ([^\s]+)\s+([^\s].*)/.match(line)
	75	+ @@codecs[pieces[7].to_sym] = {
	76	+ decode: ( pieces[1] == 'D' ),
	77	+ encode: ( pieces[2] == 'E' ),
	78	+ draw_horiz_band: ( pieces[4] == 'S' ),
	79	+ direct_rendering: ( pieces[5] == 'D' ),
	80	+ wf_trunc: ( pieces[6] == 'T' ),
	81	+ type: (
	82	+ if pieces[3] == 'V'; :video
	83	+ elsif pieces[3] == 'A'; :audio
	84	+ elsif pieces[3] == 'S'; :subtitle
	85	+ else :unknown; end
	86	+ ),
	87	+ description: pieces[8].strip
	88	+ }
	89	+ end
	90	+ end
	91	+ {
	92	+ version: @@version,
	93	+ formats: @@formats,
	94	+ codecs: @@codecs
	95	+ }
	96	+ end
	97	+
	98	+ def timestr_to_secs str
	99	+ return nil if ! /^[0-9]{2}:[0-9]{2}:[0-9]{2}$/.match str
	100	+ t = str.split(':').map(&:to_i)
	101	+ t[0]6060 + t[1]*60 + t[2]
	102	+ end
	103	+
	104	+ def get_stream_info(stream_str)
	105	+ stream_info = { :type => 'undefined' }
	106	+ stream_info[:type] = 'video' if / Video:/.match(stream_str)
	107	+ stream_info[:type] = 'audio' if / Audio:/.match(stream_str)
	108	+ {
	109	+ id: [ /^\s*Stream ([^:(]+)/ ],
	110	+ codec: [ / (?:Audio\|Video):\s*([^,\s]+)/x ],
	111	+ bitrate: [ / ([0-9]+) kb\/s\b/ , :to_i ],
	112	+ frequency: [ / ([0-9]+) Hz\b/ , :to_i ],
	113	+ channels: [ / ([0-9]+) channels\b/ , :to_i ],
	114	+ framerate: [ / ([0-9.]+) (fps\|tbr)\b/ , :to_f ],
	115	+ size: [ / ([0-9]+x[0-9]+)[, ]/ ],
	116	+ }.each do \|att, params\|
	117	+ re = params[0]
	118	+ method = params[1] \|\| :strip
	119	+ if match = re.match(stream_str) then
	120	+ stream_info[att] = match[1].send(method)
	121	+ end
	122	+ end
	123	+ if stream_info[:size]
	124	+ size_array = stream_info[:size].split('x').map{\|s\| s.to_i}
	125	+ stream_info[:size] = { :w=>size_array[0], :h=>size_array[1] }
	126	+ end
	127	+ stream_info
	128	+ end
	129	+
	130	+ def webdir_for_original_video(video)
	131	+ webdir = File.dirname(video) +'/web'
	132	+ Dir.mkdir(webdir) if ! File.exist?(webdir)
	133	+ webdir
	134	+ end
	135	+
	136	+ def valid_abrate_for_web(info)
	137	+ if brate = info.audio_stream[0][:bitrate]
	138	+ brate = 8 if brate < 8
	139	+ (brate>128)? 128 : brate
	140	+ else
	141	+ 48
	142	+ end
	143	+ end
	144	+
	145	+ def valid_vbrate_for_web(info)
	146	+ if brate = info.video_stream[0][:bitrate] \|\| info[:global_bitrate]
	147	+ brate = 128 if brate < 128
	148	+ (brate>1024)? 1024 : brate
	149	+ else
	150	+ 400
	151	+ end
	152	+ end
	153	+
	154	+ def valid_size_for_web(info)
	155	+ orig_size = info.video_stream[0][:size]
	156	+ if info.video_stream[0][:size][:w] > 640
	157	+ h = 640.0 / (orig_size[:w].to_f/orig_size[:h].to_f)
	158	+ { :w=>640, :h=>h.to_i }
	159	+ else
	160	+ { :w=>orig_size[:w].to_i, :h=>orig_size[:h].to_i }
	161	+ end
	162	+ end
	163	+
	164	+ def validate_conversion_conf_for_web(conf, file_type)
	165	+ conf = conf.clone
	166	+ if conf[:abrate].nil? \|\| conf[:vbrate].nil? \|\| conf[:size].nil?
	167	+ info = get_video_info(conf[:in])
	168	+ if info[:error][:code] == 0
	169	+ conf[:abrate] \|\|= valid_abrate_for_web info
	170	+ conf[:vbrate] \|\|= valid_vbrate_for_web info
	171	+ conf[:size] \|\|= valid_size_for_web info
	172	+ end
	173	+ end
	174	+ result_dir = webdir_for_original_video conf[:in]
	175	+ size_str = "#{conf[:size][:w]}x#{conf[:size][:h]}"
	176	+ unless conf[:file_name]
	177	+ conf[:file_name] = "#{size_str}_#{conf[:vbrate]}.#{file_type}"
	178	+ end
	179	+ conf[:out] = result_dir+'/'+conf[:file_name]
	180	+ conf
	181	+ end
	182	+
	183	+ public
	184	+
	185	+ def get_video_info(file)
	186	+ response = self.run :i, file
	187	+ if response[:error][:code] == 2
	188	+ # No output is not an error on this context
	189	+ response[:error][:code] = 0
	190	+ response[:error][:message] = _('Success.')
	191	+ end
	192	+ response[:metadata] = {}
	193	+ {
	194	+ author: /\n\sauthor[\t ]:([^\n]*)\n/i,
	195	+ title: /\n\stitle[\t ]:([^\n]*)\n/i,
	196	+ comment: /\n\scomment[\t ]:([^\n]*)\n/i
	197	+ }.each do \|att, re\|
	198	+ if match = re.match(response[:output]) then
	199	+ response[:metadata][att] = match[1].strip
	200	+ end
	201	+ end
	202	+ {
	203	+ type: /\nInput #0, ([a-z0-9]+), from/,
	204	+ duration: /\n\sDuration:[\t ]([0-9:]+)[^\n]* bitrate:/,
	205	+ global_bitrate: /\n\sDuration:[^\n] bitrate:[\t ]*([0-9]+)/
	206	+ }.each do \|att, re\|
	207	+ if match = re.match(response[:output]) then
	208	+ response[att] = match[1].strip
	209	+ end
	210	+ end
	211	+ response[:duration] = timestr_to_secs response[:duration]
	212	+ response[:global_bitrate] = response[:global_bitrate].to_i
	213	+ response[:streams] = []
	214	+ response[:output].split("\n").grep(/^\s*Stream /).each do \|stream\|
	215	+ response[:streams] << get_stream_info(stream)
	216	+ end
	217	+ def response.video_stream
	218	+ self[:streams].select {\|s\| s[:type] == 'video' }
	219	+ end
	220	+ def response.audio_stream
	221	+ self[:streams].select {\|s\| s[:type] == 'audio' }
	222	+ end
	223	+ return response
	224	+ end
	225	+
	226	+ def convert2ogv(conf)
	227	+ conf[:type] = :OGV
	228	+ conf[:vbrate] \|\|= 600
	229	+ parameters = [ :i, conf[:in], :y, :'b:v', "#{conf[:vbrate]}k",
	230	+ :f, 'ogg', :acodec, 'libvorbis', :vcodec, 'libtheora'
	231	+ ]
	232	+ parameters << :s << "#{conf[:size][:w]}x#{conf[:size][:h]}" if conf[:size]
	233	+ parameters << :'b:a' << "#{conf[:abrate]}k" if conf[:abrate]
	234	+ # Vorbis dá pau com -ar 8000Hz ???
	235	+ parameters << :r << conf[:fps] if conf[:fps]
	236	+ parameters << conf[:out]
	237	+ response = self.run parameters
	238	+ response[:conf] = conf
	239	+ response
	240	+ end
	241	+
	242	+ def convert2mp4(conf)
	243	+ conf[:type] = :MP4
	244	+ conf[:vbrate] \|\|= 600
	245	+ parameters = [ :i, conf[:in], :y, :'b:v', "#{conf[:vbrate]}k",
	246	+ :preset, 'slow', :f, 'mp4', :acodec, 'aac', :vcodec, 'libx264',
	247	+ :strict, '-2'
	248	+ ]
	249	+ parameters << :s << "#{conf[:size][:w]}x#{conf[:size][:h]}" if conf[:size]
	250	+ parameters << :'b:a' << "#{conf[:abrate]}k" if conf[:abrate]
	251	+ parameters << :r << conf[:fps] if conf[:fps]
	252	+ parameters << conf[:out]
	253	+ response = self.run parameters
	254	+ response[:conf] = conf
	255	+ response
	256	+ end
	257	+
	258	+ def convert2webm(conf)
	259	+ conf[:type] = :WEBM
	260	+ conf[:vbrate] \|\|= 600
	261	+ parameters = [ :i, conf[:in], :y, :'b:v', "#{conf[:vbrate]}k",
	262	+ :f, 'webm', :acodec, 'libvorbis', :vcodec, 'libvpx'
	263	+ ]
	264	+ parameters << :s << "#{conf[:size][:w]}x#{conf[:size][:h]}" if conf[:size]
	265	+ parameters << :'b:a' << "#{conf[:abrate]}k" if conf[:abrate]
	266	+ parameters << :r << conf[:fps] if conf[:fps]
	267	+ parameters << conf[:out]
	268	+ response = self.run parameters
	269	+ response[:conf] = conf
	270	+ response
	271	+ end
	272	+
	273	+ def make_ogv_for_web(conf)
	274	+ conf = validate_conversion_conf_for_web conf, :ogv
	275	+ convert2ogv(conf)
	276	+ end
	277	+
	278	+ def make_mp4_for_web(conf)
	279	+ conf = validate_conversion_conf_for_web conf, :mp4
	280	+ convert2mp4(conf)
	281	+ end
	282	+
	283	+ def make_webm_for_web(conf)
	284	+ conf = validate_conversion_conf_for_web conf, :webm
	285	+ convert2webm(conf)
	286	+ end
	287	+
	288	+ # video_thumbnail creates 2 preview images on the sub directory web
	289	+ # from the video file parent dir. This preview images are six concatenated
	290	+ # frames in one image each. The frames have fixed dimension. The bigger
	291	+ # preview has frames with in 160x120, and smaller has frames whit in 107x80.
	292	+ # Use this helper only on the original movie to have only one "web" sub-dir.
	293	+ def video_thumbnail(video)
	294	+ result_dir = webdir_for_original_video video
	295	+ info = get_video_info(video)
	296	+ if info[:duration] < 15
	297	+ pos = 1
	298	+ duration = info[:duration] - 2
	299	+ frate = ( 7.0 / duration ).ceil
	300	+ else
	301	+ pos = ( info[:duration] / 2.5 ).ceil
	302	+ duration = 7
	303	+ frate = 1
	304	+ end
	305	+ response = self.run :i, video, :ss, pos, :t, duration, :r, frate,
	306	+ :s, '320x240', result_dir+'/f%d.png'
	307	+ img_names = [ '/preview_160x120.jpg', '/preview_107x80.jpg' ]
	308	+ if response[:error][:code] == 0
	309	+ imgs = (2..7).map { \|num\|
	310	+ img = result_dir+"/f#{num}.png"
	311	+ File.exists?(img) ? img : nil
	312	+ }.compact
	313	+ if imgs.size != 6
	314	+ Rails.logger.error "Problem to create thumbs for video #{video} ???"
	315	+ end
	316	+ imgs = Magick::ImageList.new *imgs
	317	+ imgs.montage{
	318	+ self.geometry='160x120+0+0'
	319	+ self.tile="1x#{imgs.size}"
	320	+ self.frame = "0x0+0+0"
	321	+ }.write result_dir+img_names[0]
	322	+ imgs.montage{
	323	+ self.geometry='107x80+0+0'
	324	+ self.tile="1x#{imgs.size}"
	325	+ self.frame = "0x0+0+0"
	326	+ }.write result_dir+img_names[1]
	327	+ end
	328	+
	329	+ f_num = 1
	330	+ while File.exists? result_dir+"/f#{f_num}.png" do
	331	+ File.delete result_dir+"/f#{f_num}.png"
	332	+ f_num += 1
	333	+ end
	334	+
	335	+ if response[:error][:code] == 0
	336	+ return { big: '/web'+img_names[0], thumb: '/web'+img_names[1] }
	337	+ else
	338	+ return response
	339	+ end
	340	+ end
	341	+
	342	+ def version
	343	+ @@version \|\|= register_information[:version]
	344	+ end
	345	+
	346	+ def formats
	347	+ @@formats \|\|= register_information[:formats]
	348	+ end
	349	+
	350	+ def codecs
	351	+ @@codecs \|\|= register_information[:codecs]
	352	+ end
	353	+
	354	+end