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• How do I get videos to upload using ruby on rails carrierwave-video ?

  9 juillet 2016, par Eric

  Updated as of July 9, 2016

  I tried to follow the instructions on the github website for the video uploader process using carrierwave-video gem but get an error that says the file or directory mmpeg -i doesn’t exist.

  The upload path for images functions correctly, just not the video one.

  I have added all of the following code necessary to help solve the error and minified as much as i possibly could.

  Video uploader code using carrierwave

  class VideoUploader < CarrierWave::Uploader::Base

    include CarrierWave::Video
  
    storage :file
  
  
  
    version :mp4 do
  
      process :encode_video => [:mp4, resolution: "100x100"]
  
    end
  
  
  
    def store_dir
  
      "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
  
    end
  
  end

  Here is the movie controller code that handles uploading of videos

  class MoviesController < ApplicationController
  
     include MoviesHelper
  
  
  
     def index
  
        mode "index"
  
     end
  
  
  
     def show
  
        mode "show"
  
     end
  
  
  
     def new
  
        mode "new"
  
     end
  
  
  
     def edit
  
        mode "edit"
  
     end
  
  
  
     def create
  
        mode "create"
  
     end
  
  
  
     def update
  
        mode "update"
  
     end
  
  
  
     def destroy
  
        mode "destroy"
  
     end
  
  
  
     def review
  
        mode "review"
  
     end
  
  
  
     def approve
  
        mode "approve"
  
     end
  
  
  
     def deny
  
        mode "deny"
  
     end
  
  end

  Here is the model data for the movie that goes with it

  class Movie < ActiveRecord::Base
  
    attr_accessible :created_on, :description, :maintenance, :reviewed, :subplaylist_id, :title, :user_id, :video, :remote_video_url
  
    belongs_to :user
  
    belongs_to :subplaylist
  
    mount_uploader :video, VideoUploader
  
  end

  Here is where the movie is supposed to be displayed but it is not working

  <% provide(:title, "Movie: Where movies are made!") %>
  
  <% provide(:keywords, "movies, video") %>
  
  <% provide(:description, "This is the place where users showcase their wonderful video talent.") %>
  
  <p>&lt;%= notice %></p>
  
  <h1 class="pageheader">&lt;%= @movie.title %></h1>
  
  <br />
  
  <p class="pagetext">&lt;%= video_tag(@movie.video_url.to_s, controls: true, class: "imagebox") %></p>
  
  <p class="pagetext">&lt;%= @movie.description %></p>
  
  <p class="pagetext">Created on: &lt;%= @movie.created_on.strftime("%B-%d-%Y") %></p>
  
  <p class="pagetext">Owner: &lt;%= getType(@movie.user) %>&lt;%= link_to @movie.user.vname, user_path(@movie.user) %></p>
  
  <br />
  
  <p class="pagetext">&lt;%= link_to 'Back', mainplaylist_subplaylist_path(@subplaylist.mainplaylist, @movie.subplaylist) %></p>

  Here is where the movie new action is

  <% provide(:title, "Movie: Create new movies here!") %>
  
  <% provide(:description, "New movies are uploaded only to the site when the movie gets approved.") %>
  
  <h1 class="pagetextheader">New movie</h1>
  
  &lt;%= render 'form' %>
  
  <p class="pagetext">&lt;%= link_to 'Back', mainplaylist_subplaylist_path(@subplaylist.mainplaylist, @subplaylist) %></p>

  Here is where the movies forum parameters are

  <%= form_for([@subplaylist, @movie], :html=>{:multipart => true}) do |f| %>
  
    <% if @movie.errors.any? %>
  
      <div>
  
        <h2>&lt;%= pluralize(@movie.errors.count, "error") %> prohibited this movie from being saved:</h2>
  
  
  
        <ul>
  
        &lt;% @movie.errors.full_messages.each do |msg| %>
  
          <li>&lt;%= msg %></li>
  
        &lt;% end %>
  
        </ul>
  
      </div>
  
    &lt;% end %>
  
    <br />
  
    <div class="pagetext">
  
      &lt;%= f.label :title %><br />
  
      &lt;%= f.text_field :title %>
  
    </div>
  
    <div class="pagetext">
  
      &lt;%= f.file_field :video %>
  
    </div>
  
    <div class="pagetext">
  
      &lt;%= f.label :remote_video_url, "or video URL" %><br />
  
      &lt;%= f.text_field :remote_video_url %>
  
    </div>
  
    <div class="pagetext">
  
      &lt;%= f.label :description %><br />
  
      &lt;%= f.text_area :description %>
  
    </div>
  
    <div class="pagetext">
  
      &lt;%= f.submit %>
  
    </div>
  
    <br />
  
  &lt;% end %>

  Here is the movies helper code

  module MoviesHelper
  
  
  
     def mode(type)
  
        code = auto_logout
  
        if(code == true)
  
           sign_out
  
           redirect_to root_path
  
        else
  
           #Check if Maintenance is turned_on
  
           allmode = Maintenancemode.find_by_id(1)
  
           moviemode = Maintenancemode.find_by_id(19)
  
           mode_turned_on = (allmode.maintenance_on || moviemode.maintenance_on)
  
           #Determine if any maintenance is on
  
           if(mode_turned_on)
  
              #Determine if we are a regular user
  
              regularUser = (!current_user || !current_user.admin?)
  
              if(regularUser)
  
                 #Determine which maintenance mode is on
  
                 if(allmode.maintenance_on)
  
                    redirect_to maintenance_path
  
                 else
  
                    redirect_to movies_maintenance_path
  
                 end
  
              else
  
                 switch type
  
              end
  
           else
  
              switch type
  
           end
  
        end
  
     end
  
  
  
     private
  
        def getType(user)
  
           if(user.admin)
  
              value = "$"
  
           else
  
              typeFound = Usertype.find_by_user_id(user.id)
  
              if(typeFound)
  
                 type = typeFound.privilege
  
                 if(type == "Reviewer")
  
                    value = "^"
  
                 elsif(type == "Banned")
  
                    value = "!"
  
                 else
  
                    value = "~"
  
                 end
  
              else
  
                 value = "~"
  
              end
  
           end
  
           return value
  
        end
  
  
  
        def movieApproved
  
           movieFound = Movie.find_by_id(params[:movie_id])
  
           if(movieFound)
  
              movieFound.reviewed = true
  
              pouch = Pouch.find_by_user_id(movieFound.user_id)
  
              pointsForMovie = 10
  
              pouch.amount += pointsForMovie
  
              @pouch = pouch
  
              @pouch.save
  
              @movie = movieFound
  
              @movie.save
  
  #            MovieMailer.movie_approved(@movie, pointsForMovie).deliver
  
              redirect_to movies_review_path
  
           else
  
              render "public/404"
  
           end
  
        end
  
  
  
        def movieDenied
  
           movieFound = Movie.find_by_id(params[:movie_id])
  
           if(movieFound)
  
              #Retrieve the user who owns this pet first
  
              #userEmail = petFound.user.email
  
              #Send mail to user with link to edit the pet they sent
  
              @movie = movieFound
  
              MovieMailer.movie_denied(@movie).deliver
  
              redirect_to movies_review_path
  
           else
  
              render "public/404"
  
           end
  
        end
  
  
  
        def createMovie(subplaylistFound)
  
           newMovie = subplaylistFound.movies.new
  
           @subplaylist = subplaylistFound
  
           @movie = newMovie
  
        end
  
  
  
        def saveMovie(subplaylistFound, logged_in)
  
           newMovie = subplaylistFound.movies.new(params[:movie])
  
           newMovie.user_id = logged_in.id
  
           currentTime = Time.now
  
           newMovie.created_on = currentTime
  
           @movie = newMovie
  
           if(@movie.save)
  
              @subplaylist = subplaylistFound
  
  #            MovieMailer.review_movie(@movie).deliver
  
              flash[:success] = "#{@movie.title} is currently being reviewed please check back later."
  
              redirect_to subplaylist_movie_path(@subplaylist, @movie)
  
           else
  
              render "new"
  
           end
  
        end
  
  
  
        def switch(type)
  
           if(type == "index") #Admin only
  
              logged_in = current_user
  
              if(logged_in)
  
                 if(logged_in.admin)
  
                    allMovies = Movies.order("created_on desc").page(params[:page]).per(10)
  
                    @movies = allMovies
  
                 else
  
                    redirect_to root_path
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "show")
  
              movieFound = Movie.find_by_id(params[:id])
  
              if(movieFound)
  
                 subplaylistFound = Subplaylist.find_by_id(params[:subplaylist_id])
  
                 if(subplaylistFound)
  
                    if(movieFound.reviewed)
  
                       @subplaylist = subplaylistFound
  
                       @movie = movieFound
  
                    else
  
                       logged_in = current_user
  
                       if(logged_in)
  
                          userMatch = ((logged_in.id == movieFound.user_id) || logged_in.admin)
  
                          if(userMatch)
  
                             @subplaylist = subplaylistFound
  
                             @movie = movieFound
  
                          else
  
                             redirect_to root_path
  
                          end
  
                       else
  
                          redirect_to root_path
  
                       end
  
                    end
  
                 else
  
                    redirect_to root_path
  
                 end
  
              else
  
                 render "public/404"
  
              end
  
           elsif(type == "new")
  
              logged_in = current_user
  
              if(logged_in)
  
                 subplaylistFound = Subplaylist.find_by_id(params[:subplaylist_id])
  
                 if(subplaylistFound)
  
                    if(subplaylistFound.collab_mode)
  
                       createMovie(subplaylistFound)
  
                    else
  
                       userMatch = (logged_in.id == subplaylistFound.user_id)
  
                       if(userMatch)
  
                          createMovie(subplaylistFound)
  
                       else
  
                          redirect_to root_path
  
                       end
  
                    end
  
                 else
  
                    render "public/404"
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "create")
  
              logged_in = current_user
  
              if(logged_in)
  
                 subplaylistFound = Subplaylist.find_by_id(params[:subplaylist_id])
  
                 if(subplaylistFound)
  
                    if(subplaylistFound.collab_mode)
  
                       saveMovie(subplaylistFound, logged_in)
  
                    else
  
                       userMatch = (logged_in.id == subplaylistFound.user_id)
  
                       if(userMatch)
  
                          saveMovie(subplaylistFound, logged_in)
  
                       else
  
                          redirect_to root_path
  
                       end
  
                    end
  
                 else
  
                    render "public/404"
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "edit")
  
              logged_in = current_user
  
              if(logged_in)
  
                 movieFound = Movie.find_by_id(params[:id])
  
                 if(movieFound)
  
                    userMatch = (logged_in.id == movieFound.user_id)
  
                    if(userMatch)
  
                       subplaylistFound = Subplaylist.find_by_id(movieFound.subplaylist_id)
  
                       if(subplaylistFound)
  
                          @subplaylist = subplaylistFound
  
                          @movie = movieFound
  
                       else
  
                          render "public/404"
  
                       end
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 else
  
                    render "public/404"
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "update")
  
              logged_in = current_user
  
              if(logged_in)
  
                 movieFound = Movie.find_by_id(params[:id])
  
                 if(movieFound)
  
                    userMatch = (logged_in.id == movieFound.user_id)
  
                    if(userMatch)
  
                       subplaylistFound = Subplaylist.find_by_id(movieFound.subplaylist_id)
  
                       if(subplaylistFound)
  
                          @movie = movieFound
  
                          if(@movie.update_attributes(params[:movie]))
  
                             @subplaylist = subplaylistFound
  
                             flash[:success] = 'Movie was successfully updated.'
  
                             redirect_to subplaylist_movie_path(@subplaylist, @movie)
  
                          else
  
                             render "edit"
  
                          end
  
                       else
  
                          render "public/404"
  
                       end
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 else
  
                    render "public/404"
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "destroy")
  
              logged_in = current_user
  
              if(logged_in)
  
                 movieFound = Movie.find_by_id(params[:id]) #Need to move this below the admin section to protect it
  
                 if(movieFound)
  
                    if(logged_in.admin)
  
                       subplaylistFound = Subplaylist.find_by_id(movieFound.subplaylist_id)
  
                       if(subplaylistFound)
  
                          @movie = movieFound
  
                          @subplaylist = subplaylistFound
  
                          @movie.destroy
  
                          redirect_to mainplaylist_subplaylist_path(@subplaylist.mainplaylist, @subplaylist)
  
                       else
  
                          render "public/404"
  
                       end
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 else
  
                    render "public/404"
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "review") #Admin
  
              logged_in = current_user
  
              if(logged_in)
  
                 if(logged_in.admin)
  
                    allMovies = Movie.all
  
                    moviesToReview = allMovies.select{|movie| !movie.reviewed}
  
                    @movies = Kaminari.paginate_array(moviesToReview).page(params[:page]).per(10)
  
                 else
  
                    typeFound = Usertype.find_by_user_id(logged_in.id)
  
                    if(typeFound.privilege == "Reviewer")
  
                       allMovies = Movie.all
  
                       moviesToReview = allMovies.select{|movie| !movie.reviewed}
  
                       @movies = Kaminari.paginate_array(moviesToReview).page(params[:page]).per(10)
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "approve") #Admin
  
              logged_in = current_user
  
              if(logged_in)
  
                 if(logged_in.admin)
  
                    movieApproved
  
                 else
  
                    typeFound = Usertype.find_by_user_id(logged_in.id)
  
                    if(typeFound.privilege == "Reviewer")
  
                       movieApproved
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "deny") #Admin
  
              logged_in = current_user
  
              if(logged_in)
  
                 if(logged_in.admin)
  
                    movieDenied
  
                 else
  
                    typeFound = Usertype.find_by_user_id(logged_in.id)
  
                    if(typeFound.privilege == "Reviewer")
  
                       movieDenied
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           end
  
        end
  
  end

  Here is the subplaylists show code

  <% provide(:title, "Subplaylist: The place where users videos gets uploaded to!") %>
  
  <% provide(:keywords, "user, video, uploaded") %>
  
  <% provide(:description, "Allows the categorization of various videos that the user submitted successfully.") %>
  
  <p>&lt;%= notice %></p>
  
  <h1 class="pageheader">&lt;%= @subplaylist.title %></h1>
  
  <br />
  
  <p class="pagetext">&lt;%= @subplaylist.description %></p>
  
  <br />
  
  <div class="pagebox">&lt;%= paginate @movies %></div>
  
  
  
  
  
  
  
  
  
  
  
  <br />
  
  <div class="pagetext">
  
     &lt;% @movies.each_with_index do |movie, index| %>
  
        <div class="container">
  
           <div class="inner">
  
              <div class="inner">&lt;%= link_to movie.title, subplaylist_movie_path(@subplaylist, movie) %></div>
  
              &lt;% if current_user &amp;&amp; (current_user.id == movie.user_id || current_user.admin? )%>
  
                 <div class="inner">&lt;%= button_to 'Edit', edit_subplaylist_movie_path(@subplaylist, movie), method: :get %></div>
  
                 <div class="inner">&lt;%= button_to 'Destroy', [@subplaylist, movie], method: :delete, data: { confirm: 'Are you sure?' } %></div>
  
              &lt;% end %>
  
              <p>&lt;%= video_tag movie.video_url(:thumb).to_s, controls: true %></p>
  
           </div>
  
           <br />
  
           <p>Created on: &lt;%= movie.created_on.strftime("%B-%d-%Y") %></p>
  
           <p>Owner: &lt;%= getType(movie.user) %>&lt;%= link_to movie.user.vname, user_path(movie.user) %></p>
  
        </div>
  
        &lt;% if ((index + 1) % 3) == 0 %>
  
           <br />
  
           <br />
  
        &lt;% end %>
  
     &lt;% end %>
  
  </div>
  
  <br />
  
  &lt;% if current_user %>
  
     <p class="pagetext">&lt;%= link_to "New Movie", new_subplaylist_movie_path(@subplaylist) %></p>
  
     <br />
  
  &lt;% end %>
  
  <p class="pagetext">&lt;%= link_to 'Back', user_mainplaylist_path(@mainplaylist.user.vname, @subplaylist.mainplaylist.title) %></p>

  Here is the subplaylists model

  class Subplaylist < ActiveRecord::Base
  
     attr_accessible :title, :description, :collab_mode
  
     belongs_to :user
  
     belongs_to :mainplaylist
  
     has_many :movies, :foreign_key => "subplaylist_id", :dependent => :destroy
  
     VALID_NAME = /\A[A-Za-z][A-Za-z1-9][A-Za-z1-9 ]+\z/
  
     validates :title, presence: true, format: {with: VALID_NAME}
  
     validates :description, presence: true
  
  end

  Here is the subplaylists controller code

  class SubplaylistsController < ApplicationController
  
     include SubplaylistsHelper
  
  
  
     def index
  
        mode "index"
  
     end
  
  
  
     def show
  
        mode "show"
  
     end
  
  
  
     def new
  
        mode "new"
  
     end
  
  
  
     def edit
  
        mode "edit"
  
     end
  
  
  
     def create
  
        mode "create"
  
     end
  
  
  
     def update
  
        mode "update"
  
     end
  
  
  
     def destroy
  
        mode "destroy"
  
     end
  
  end

  Here is the subplaylist helper code

  module SubplaylistsHelper
  
  
  
     def mode(type)
  
        code = auto_logout
  
        if(code == true)
  
           sign_out
  
           redirect_to root_path
  
        else
  
           #Check if Maintenance is turned_on
  
           allmode = Maintenancemode.find_by_id(1)
  
           subplaylistmode = Maintenancemode.find_by_id(18)
  
           mode_turned_on = (allmode.maintenance_on || subplaylistmode.maintenance_on)
  
           #Determine if any maintenance is on
  
           if(mode_turned_on)
  
              #Determine if we are a regular user
  
              regularUser = (!current_user || !current_user.admin?)
  
              if(regularUser)
  
                 #Determine which maintenance mode is on
  
                 if(allmode.maintenance_on)
  
                    redirect_to maintenance_path
  
                 else
  
                    redirect_to subplaylists_maintenance_path
  
                 end
  
              else
  
                 switch type
  
              end
  
           else
  
              switch type
  
           end
  
        end
  
     end
  
  
  
     private
  
        def getType(user)
  
           if(user.admin)
  
              value = "$"
  
           else
  
              typeFound = Usertype.find_by_user_id(user.id)
  
              if(typeFound)
  
                 type = typeFound.privilege
  
                 if(type == "Reviewer")
  
                    value = "^"
  
                 elsif(type == "Banned")
  
                    value = "!"
  
                 else
  
                    value = "~"
  
                 end
  
              else
  
                 value = "~"
  
              end
  
           end
  
           return value
  
        end
  
  
  
        def switch(type)
  
           if(type == "show")
  
              subplaylistFound = Subplaylist.find_by_id(params[:id])
  
              if(subplaylistFound)
  
                 mainplaylistFound = Mainplaylist.find_by_title(params[:mainplaylist_id])
  
                 if(mainplaylistFound)
  
                    playlistMatch = (subplaylistFound.mainplaylist_id == mainplaylistFound.id)
  
                    if(playlistMatch)
  
                       @mainplaylist = mainplaylistFound
  
                       @subplaylist = subplaylistFound
  
                       subplaylistMovies = @subplaylist.movies.all
  
                       reviewedMovies = subplaylistMovies
  
                       if(subplaylistMovies.count > 0)
  
                          reviewedMovies = subplaylistMovies.select{|movie| movie.reviewed}
  
                       end
  
                       @movies = Kaminari.paginate_array(reviewedMovies).page(params[:page]).per(10)
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 else
  
                    render "public/404"
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "destroy")
  
              logged_in = current_user
  
              if(logged_in)
  
                 subplaylistFound = Subplaylist.find_by_id(params[:id]) #Need to move this below the admin section to protect it
  
                 if(subplaylistFound)
  
                    if(logged_in.admin)
  
                       mainplaylistFound = Mainplaylist.find_by_id(subplaylistFound.mainplaylist_id)
  
                       if(mainplaylistFound)
  
                          @subplaylist = subplaylistFound
  
                          @mainplaylist = mainplaylistFound
  
                          @subplaylist.destroy
  
                          redirect_to mainplaylist_subplaylists_path(@mainplaylist)
  
                       else
  
                          render "public/404"
  
                       end
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 else
  
                    render "public/404"
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           end
  
        end
  
  end

  Here is the User model

  class User < ActiveRecord::Base
  
     attr_accessible :email, :first_name, :last_name, :login_id, :vname, :password, :password_confirmation, :avatar
  
     has_secure_password
  
     mount_uploader :avatar, AvatarUploader
  
     before_save { |user| user.email = user.email.downcase }
  
     before_save { |user| user.first_name = user.first_name.humanize }
  
  
  
     #key
  
     has_one :sessionkey, :foreign_key => "user_id", :dependent => :destroy
  
     has_one :usertype, :foreign_key => "user_id", :dependent => :destroy
  
  
  
     #Video section
  
     has_many :mainplaylists, :foreign_key => "user_id", :dependent => :destroy
  
     has_many :subplaylists, :foreign_key => "user_id", :dependent => :destroy
  
     has_many :movies, :foreign_key => "user_id", :dependent => :destroy
  
  
  
     #validates :first_name, presence: true
  
     VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
  
     VALID_NAME_REGEX = /\A[a-z][a-z][a-z]+\z/i
  
     VALID_VNAME_REGEX = /\A[A-Za-z][A-Za-z][A-Za-z][A-Za-z0-9 ]+([-][A-Za-z0-9 ]+)?\z/
  
     VALID_PASSWORD_REGEX = /\A[A-Za-z0-9!][A-Za-z0-9!][A-Za-z0-9!][A-Za-z0-9!][A-Za-z0-9!][A-Za-z0-9!]+\z/
  
     validates :first_name, presence: true, format: { with: VALID_NAME_REGEX}
  
     validates :last_name, presence: true, format: { with: VALID_NAME_REGEX}
  
     validates :email, presence: true, format: { with: VALID_EMAIL_REGEX}
  
     validates :login_id, presence: true, format: { with: VALID_VNAME_REGEX}, uniqueness: { case_sensitive: false}
  
     validates :vname, presence: true, format: { with: VALID_VNAME_REGEX}, uniqueness: { case_sensitive: false}
  
     validates :password, length: {minimum: 6}#, format: { with: VALID_PASSWORD_REGEX}
  
     validates :password_confirmation, presence: true #, format: { with: VALID_PASSWORD_REGEX}
  
  
  
     def to_param
  
        vname
  
     end
  
  end

  Here is the sessionkey model

  class Sessionkey < ActiveRecord::Base
  
    belongs_to :user
  
  end

  Here is the usertype model

  class Usertype < ActiveRecord::Base
  
    attr_accessible :privilege, :user_id #Only priviledge will be changeable
  
    belongs_to :user
  
  end

  Error message

  No such file or directory - ffmpeg -i /home/eric/Projects/Local/Lduelingpets/Trial/public/uploads/tmp/1466811951-3149-2702/mp4_TrialMovies.mp4

• How do I get videos to upload using carrierwave-video ?

  10 juillet 2016, par Eric

  I tried to follow the instructions on github to upload using carrierwave-video, but get an error that says the file or directory mmpeg -i doesn’t exist.

  The upload path for images is correct, just not the video one.

  I added all of the following code necessary to help solve the error and minified as much as I possibly could.

  This is the video uploader code using carrierwave :

  class VideoUploader < CarrierWave::Uploader::Base
  
  
  
    include CarrierWave::Video
  
    storage :file
  
  
  
    version :mp4 do
  
      process :encode_video => [:mp4, resolution: "100x100"]
  
    end
  
  
  
    def store_dir
  
      "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
  
    end
  
  end

  This is the movie controller code that handles uploading of videos :

  class MoviesController < ApplicationController
  
     include MoviesHelper
  
  
  
     def index
  
        mode "index"
  
     end
  
  
  
     def show
  
        mode "show"
  
     end
  
  
  
     def new
  
        mode "new"
  
     end
  
  
  
     def edit
  
        mode "edit"
  
     end
  
  
  
     def create
  
        mode "create"
  
     end
  
  
  
     def update
  
        mode "update"
  
     end
  
  
  
     def destroy
  
        mode "destroy"
  
     end
  
  
  
     def review
  
        mode "review"
  
     end
  
  
  
     def approve
  
        mode "approve"
  
     end
  
  
  
     def deny
  
        mode "deny"
  
     end
  
  end

  This is the model data for the movie that goes with it :

  class Movie < ActiveRecord::Base
  
    attr_accessible :created_on, :description, :maintenance, :reviewed, :subplaylist_id, :title, :user_id, :video, :remote_video_url
  
    belongs_to :user
  
    belongs_to :subplaylist
  
    mount_uploader :video, VideoUploader
  
  end

  This is where the movie is supposed to be displayed but it is not working :

  <% provide(:title, "Movie: Where movies are made!") %>
  
  <% provide(:keywords, "movies, video") %>
  
  <% provide(:description, "This is the place where users showcase their wonderful video talent.") %>
  
  <p>&lt;%= notice %></p>
  
  <h1 class="pageheader">&lt;%= @movie.title %></h1>
  
  <br />
  
  <p class="pagetext">&lt;%= video_tag(@movie.video_url.to_s, controls: true, class: "imagebox") %></p>
  
  <p class="pagetext">&lt;%= @movie.description %></p>
  
  <p class="pagetext">Created on: &lt;%= @movie.created_on.strftime("%B-%d-%Y") %></p>
  
  <p class="pagetext">Owner: &lt;%= getType(@movie.user) %>&lt;%= link_to @movie.user.vname, user_path(@movie.user) %></p>
  
  <br />
  
  <p class="pagetext">&lt;%= link_to 'Back', mainplaylist_subplaylist_path(@subplaylist.mainplaylist, @movie.subplaylist) %></p>

  This is where the movie new action is :

  <% provide(:title, "Movie: Create new movies here!") %>
  
  <% provide(:description, "New movies are uploaded only to the site when the movie gets approved.") %>
  
  <h1 class="pagetextheader">New movie</h1>
  
  &lt;%= render 'form' %>
  
  <p class="pagetext">&lt;%= link_to 'Back', mainplaylist_subplaylist_path(@subplaylist.mainplaylist, @subplaylist) %></p>

  This is where the movies forum parameters are :

  <%= form_for([@subplaylist, @movie], :html=>{:multipart => true}) do |f| %>
  
    <% if @movie.errors.any? %>
  
      <div>
  
        <h2>&lt;%= pluralize(@movie.errors.count, "error") %> prohibited this movie from being saved:</h2>
  
  
  
        <ul>
  
        &lt;% @movie.errors.full_messages.each do |msg| %>
  
          <li>&lt;%= msg %></li>
  
        &lt;% end %>
  
        </ul>
  
      </div>
  
    &lt;% end %>
  
    <br />
  
    <div class="pagetext">
  
      &lt;%= f.label :title %><br />
  
      &lt;%= f.text_field :title %>
  
    </div>
  
    <div class="pagetext">
  
      &lt;%= f.file_field :video %>
  
    </div>
  
    <div class="pagetext">
  
      &lt;%= f.label :remote_video_url, "or video URL" %><br />
  
      &lt;%= f.text_field :remote_video_url %>
  
    </div>
  
    <div class="pagetext">
  
      &lt;%= f.label :description %><br />
  
      &lt;%= f.text_area :description %>
  
    </div>
  
    <div class="pagetext">
  
      &lt;%= f.submit %>
  
    </div>
  
    <br />
  
  &lt;% end %>

  This is the movies helper code :

  module MoviesHelper
  
  
  
     def mode(type)
  
        code = auto_logout
  
        if(code == true)
  
           sign_out
  
           redirect_to root_path
  
        else
  
           #Check if Maintenance is turned_on
  
           allmode = Maintenancemode.find_by_id(1)
  
           moviemode = Maintenancemode.find_by_id(19)
  
           mode_turned_on = (allmode.maintenance_on || moviemode.maintenance_on)
  
           #Determine if any maintenance is on
  
           if(mode_turned_on)
  
              #Determine if we are a regular user
  
              regularUser = (!current_user || !current_user.admin?)
  
              if(regularUser)
  
                 #Determine which maintenance mode is on
  
                 if(allmode.maintenance_on)
  
                    redirect_to maintenance_path
  
                 else
  
                    redirect_to movies_maintenance_path
  
                 end
  
              else
  
                 switch type
  
              end
  
           else
  
              switch type
  
           end
  
        end
  
     end
  
  
  
     private
  
        def getType(user)
  
           if(user.admin)
  
              value = "$"
  
           else
  
              typeFound = Usertype.find_by_user_id(user.id)
  
              if(typeFound)
  
                 type = typeFound.privilege
  
                 if(type == "Reviewer")
  
                    value = "^"
  
                 elsif(type == "Banned")
  
                    value = "!"
  
                 else
  
                    value = "~"
  
                 end
  
              else
  
                 value = "~"
  
              end
  
           end
  
           return value
  
        end
  
  
  
        def movieApproved
  
           movieFound = Movie.find_by_id(params[:movie_id])
  
           if(movieFound)
  
              movieFound.reviewed = true
  
              pouch = Pouch.find_by_user_id(movieFound.user_id)
  
              pointsForMovie = 10
  
              pouch.amount += pointsForMovie
  
              @pouch = pouch
  
              @pouch.save
  
              @movie = movieFound
  
              @movie.save
  
  #            MovieMailer.movie_approved(@movie, pointsForMovie).deliver
  
              redirect_to movies_review_path
  
           else
  
              render "public/404"
  
           end
  
        end
  
  
  
        def movieDenied
  
           movieFound = Movie.find_by_id(params[:movie_id])
  
           if(movieFound)
  
              #Retrieve the user who owns this pet first
  
              #userEmail = petFound.user.email
  
              #Send mail to user with link to edit the pet they sent
  
              @movie = movieFound
  
              MovieMailer.movie_denied(@movie).deliver
  
              redirect_to movies_review_path
  
           else
  
              render "public/404"
  
           end
  
        end
  
  
  
        def createMovie(subplaylistFound)
  
           newMovie = subplaylistFound.movies.new
  
           @subplaylist = subplaylistFound
  
           @movie = newMovie
  
        end
  
  
  
        def saveMovie(subplaylistFound, logged_in)
  
           newMovie = subplaylistFound.movies.new(params[:movie])
  
           newMovie.user_id = logged_in.id
  
           currentTime = Time.now
  
           newMovie.created_on = currentTime
  
           @movie = newMovie
  
           if(@movie.save)
  
              @subplaylist = subplaylistFound
  
  #            MovieMailer.review_movie(@movie).deliver
  
              flash[:success] = "#{@movie.title} is currently being reviewed please check back later."
  
              redirect_to subplaylist_movie_path(@subplaylist, @movie)
  
           else
  
              render "new"
  
           end
  
        end
  
  
  
        def switch(type)
  
           if(type == "index") #Admin only
  
              logged_in = current_user
  
              if(logged_in)
  
                 if(logged_in.admin)
  
                    allMovies = Movies.order("created_on desc").page(params[:page]).per(10)
  
                    @movies = allMovies
  
                 else
  
                    redirect_to root_path
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "show")
  
              movieFound = Movie.find_by_id(params[:id])
  
              if(movieFound)
  
                 subplaylistFound = Subplaylist.find_by_id(params[:subplaylist_id])
  
                 if(subplaylistFound)
  
                    if(movieFound.reviewed)
  
                       @subplaylist = subplaylistFound
  
                       @movie = movieFound
  
                    else
  
                       logged_in = current_user
  
                       if(logged_in)
  
                          userMatch = ((logged_in.id == movieFound.user_id) || logged_in.admin)
  
                          if(userMatch)
  
                             @subplaylist = subplaylistFound
  
                             @movie = movieFound
  
                          else
  
                             redirect_to root_path
  
                          end
  
                       else
  
                          redirect_to root_path
  
                       end
  
                    end
  
                 else
  
                    redirect_to root_path
  
                 end
  
              else
  
                 render "public/404"
  
              end
  
           elsif(type == "new")
  
              logged_in = current_user
  
              if(logged_in)
  
                 subplaylistFound = Subplaylist.find_by_id(params[:subplaylist_id])
  
                 if(subplaylistFound)
  
                    if(subplaylistFound.collab_mode)
  
                       createMovie(subplaylistFound)
  
                    else
  
                       userMatch = (logged_in.id == subplaylistFound.user_id)
  
                       if(userMatch)
  
                          createMovie(subplaylistFound)
  
                       else
  
                          redirect_to root_path
  
                       end
  
                    end
  
                 else
  
                    render "public/404"
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "create")
  
              logged_in = current_user
  
              if(logged_in)
  
                 subplaylistFound = Subplaylist.find_by_id(params[:subplaylist_id])
  
                 if(subplaylistFound)
  
                    if(subplaylistFound.collab_mode)
  
                       saveMovie(subplaylistFound, logged_in)
  
                    else
  
                       userMatch = (logged_in.id == subplaylistFound.user_id)
  
                       if(userMatch)
  
                          saveMovie(subplaylistFound, logged_in)
  
                       else
  
                          redirect_to root_path
  
                       end
  
                    end
  
                 else
  
                    render "public/404"
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "edit")
  
              logged_in = current_user
  
              if(logged_in)
  
                 movieFound = Movie.find_by_id(params[:id])
  
                 if(movieFound)
  
                    userMatch = (logged_in.id == movieFound.user_id)
  
                    if(userMatch)
  
                       subplaylistFound = Subplaylist.find_by_id(movieFound.subplaylist_id)
  
                       if(subplaylistFound)
  
                          @subplaylist = subplaylistFound
  
                          @movie = movieFound
  
                       else
  
                          render "public/404"
  
                       end
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 else
  
                    render "public/404"
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "update")
  
              logged_in = current_user
  
              if(logged_in)
  
                 movieFound = Movie.find_by_id(params[:id])
  
                 if(movieFound)
  
                    userMatch = (logged_in.id == movieFound.user_id)
  
                    if(userMatch)
  
                       subplaylistFound = Subplaylist.find_by_id(movieFound.subplaylist_id)
  
                       if(subplaylistFound)
  
                          @movie = movieFound
  
                          if(@movie.update_attributes(params[:movie]))
  
                             @subplaylist = subplaylistFound
  
                             flash[:success] = 'Movie was successfully updated.'
  
                             redirect_to subplaylist_movie_path(@subplaylist, @movie)
  
                          else
  
                             render "edit"
  
                          end
  
                       else
  
                          render "public/404"
  
                       end
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 else
  
                    render "public/404"
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "destroy")
  
              logged_in = current_user
  
              if(logged_in)
  
                 movieFound = Movie.find_by_id(params[:id]) #Need to move this below the admin section to protect it
  
                 if(movieFound)
  
                    if(logged_in.admin)
  
                       subplaylistFound = Subplaylist.find_by_id(movieFound.subplaylist_id)
  
                       if(subplaylistFound)
  
                          @movie = movieFound
  
                          @subplaylist = subplaylistFound
  
                          @movie.destroy
  
                          redirect_to mainplaylist_subplaylist_path(@subplaylist.mainplaylist, @subplaylist)
  
                       else
  
                          render "public/404"
  
                       end
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 else
  
                    render "public/404"
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "review") #Admin
  
              logged_in = current_user
  
              if(logged_in)
  
                 if(logged_in.admin)
  
                    allMovies = Movie.all
  
                    moviesToReview = allMovies.select{|movie| !movie.reviewed}
  
                    @movies = Kaminari.paginate_array(moviesToReview).page(params[:page]).per(10)
  
                 else
  
                    typeFound = Usertype.find_by_user_id(logged_in.id)
  
                    if(typeFound.privilege == "Reviewer")
  
                       allMovies = Movie.all
  
                       moviesToReview = allMovies.select{|movie| !movie.reviewed}
  
                       @movies = Kaminari.paginate_array(moviesToReview).page(params[:page]).per(10)
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "approve") #Admin
  
              logged_in = current_user
  
              if(logged_in)
  
                 if(logged_in.admin)
  
                    movieApproved
  
                 else
  
                    typeFound = Usertype.find_by_user_id(logged_in.id)
  
                    if(typeFound.privilege == "Reviewer")
  
                       movieApproved
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "deny") #Admin
  
              logged_in = current_user
  
              if(logged_in)
  
                 if(logged_in.admin)
  
                    movieDenied
  
                 else
  
                    typeFound = Usertype.find_by_user_id(logged_in.id)
  
                    if(typeFound.privilege == "Reviewer")
  
                       movieDenied
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           end
  
        end
  
  end

  This is the subplaylists show code :

  <% provide(:title, "Subplaylist: The place where users videos gets uploaded to!") %>
  
  <% provide(:keywords, "user, video, uploaded") %>
  
  <% provide(:description, "Allows the categorization of various videos that the user submitted successfully.") %>
  
  <p>&lt;%= notice %></p>
  
  <h1 class="pageheader">&lt;%= @subplaylist.title %></h1>
  
  <br />
  
  <p class="pagetext">&lt;%= @subplaylist.description %></p>
  
  <br />
  
  <div class="pagebox">&lt;%= paginate @movies %></div>
  
  
  
  
  
  
  
  
  
  
  
  <br />
  
  <div class="pagetext">
  
     &lt;% @movies.each_with_index do |movie, index| %>
  
        <div class="container">
  
           <div class="inner">
  
              <div class="inner">&lt;%= link_to movie.title, subplaylist_movie_path(@subplaylist, movie) %></div>
  
              &lt;% if current_user &amp;&amp; (current_user.id == movie.user_id || current_user.admin? )%>
  
                 <div class="inner">&lt;%= button_to 'Edit', edit_subplaylist_movie_path(@subplaylist, movie), method: :get %></div>
  
                 <div class="inner">&lt;%= button_to 'Destroy', [@subplaylist, movie], method: :delete, data: { confirm: 'Are you sure?' } %></div>
  
              &lt;% end %>
  
              <p>&lt;%= video_tag movie.video_url(:thumb).to_s, controls: true %></p>
  
           </div>
  
           <br />
  
           <p>Created on: &lt;%= movie.created_on.strftime("%B-%d-%Y") %></p>
  
           <p>Owner: &lt;%= getType(movie.user) %>&lt;%= link_to movie.user.vname, user_path(movie.user) %></p>
  
        </div>
  
        &lt;% if ((index + 1) % 3) == 0 %>
  
           <br />
  
           <br />
  
        &lt;% end %>
  
     &lt;% end %>
  
  </div>
  
  <br />
  
  &lt;% if current_user %>
  
     <p class="pagetext">&lt;%= link_to "New Movie", new_subplaylist_movie_path(@subplaylist) %></p>
  
     <br />
  
  &lt;% end %>
  
  <p class="pagetext">&lt;%= link_to 'Back', user_mainplaylist_path(@mainplaylist.user.vname, @subplaylist.mainplaylist.title) %></p>

  This is the subplaylists model :

  class Subplaylist < ActiveRecord::Base
  
     attr_accessible :title, :description, :collab_mode
  
     belongs_to :user
  
     belongs_to :mainplaylist
  
     has_many :movies, :foreign_key => "subplaylist_id", :dependent => :destroy
  
     VALID_NAME = /\A[A-Za-z][A-Za-z1-9][A-Za-z1-9 ]+\z/
  
     validates :title, presence: true, format: {with: VALID_NAME}
  
     validates :description, presence: true
  
  end

  This is the subplaylists controller code :

  class SubplaylistsController < ApplicationController
  
     include SubplaylistsHelper
  
  
  
     def index
  
        mode "index"
  
     end
  
  
  
     def show
  
        mode "show"
  
     end
  
  
  
     def new
  
        mode "new"
  
     end
  
  
  
     def edit
  
        mode "edit"
  
     end
  
  
  
     def create
  
        mode "create"
  
     end
  
  
  
     def update
  
        mode "update"
  
     end
  
  
  
     def destroy
  
        mode "destroy"
  
     end
  
  end

  This is the subplaylist helper code :

  module SubplaylistsHelper
  
  
  
     def mode(type)
  
        code = auto_logout
  
        if(code == true)
  
           sign_out
  
           redirect_to root_path
  
        else
  
           #Check if Maintenance is turned_on
  
           allmode = Maintenancemode.find_by_id(1)
  
           subplaylistmode = Maintenancemode.find_by_id(18)
  
           mode_turned_on = (allmode.maintenance_on || subplaylistmode.maintenance_on)
  
           #Determine if any maintenance is on
  
           if(mode_turned_on)
  
              #Determine if we are a regular user
  
              regularUser = (!current_user || !current_user.admin?)
  
              if(regularUser)
  
                 #Determine which maintenance mode is on
  
                 if(allmode.maintenance_on)
  
                    redirect_to maintenance_path
  
                 else
  
                    redirect_to subplaylists_maintenance_path
  
                 end
  
              else
  
                 switch type
  
              end
  
           else
  
              switch type
  
           end
  
        end
  
     end
  
  
  
     private
  
        def getType(user)
  
           if(user.admin)
  
              value = "$"
  
           else
  
              typeFound = Usertype.find_by_user_id(user.id)
  
              if(typeFound)
  
                 type = typeFound.privilege
  
                 if(type == "Reviewer")
  
                    value = "^"
  
                 elsif(type == "Banned")
  
                    value = "!"
  
                 else
  
                    value = "~"
  
                 end
  
              else
  
                 value = "~"
  
              end
  
           end
  
           return value
  
        end
  
  
  
        def switch(type)
  
           if(type == "show")
  
              subplaylistFound = Subplaylist.find_by_id(params[:id])
  
              if(subplaylistFound)
  
                 mainplaylistFound = Mainplaylist.find_by_title(params[:mainplaylist_id])
  
                 if(mainplaylistFound)
  
                    playlistMatch = (subplaylistFound.mainplaylist_id == mainplaylistFound.id)
  
                    if(playlistMatch)
  
                       @mainplaylist = mainplaylistFound
  
                       @subplaylist = subplaylistFound
  
                       subplaylistMovies = @subplaylist.movies.all
  
                       reviewedMovies = subplaylistMovies
  
                       if(subplaylistMovies.count > 0)
  
                          reviewedMovies = subplaylistMovies.select{|movie| movie.reviewed}
  
                       end
  
                       @movies = Kaminari.paginate_array(reviewedMovies).page(params[:page]).per(10)
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 else
  
                    render "public/404"
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           elsif(type == "destroy")
  
              logged_in = current_user
  
              if(logged_in)
  
                 subplaylistFound = Subplaylist.find_by_id(params[:id]) #Need to move this below the admin section to protect it
  
                 if(subplaylistFound)
  
                    if(logged_in.admin)
  
                       mainplaylistFound = Mainplaylist.find_by_id(subplaylistFound.mainplaylist_id)
  
                       if(mainplaylistFound)
  
                          @subplaylist = subplaylistFound
  
                          @mainplaylist = mainplaylistFound
  
                          @subplaylist.destroy
  
                          redirect_to mainplaylist_subplaylists_path(@mainplaylist)
  
                       else
  
                          render "public/404"
  
                       end
  
                    else
  
                       redirect_to root_path
  
                    end
  
                 else
  
                    render "public/404"
  
                 end
  
              else
  
                 redirect_to root_path
  
              end
  
           end
  
        end
  
  end

  This is the User model :

  class User < ActiveRecord::Base
  
     attr_accessible :email, :first_name, :last_name, :login_id, :vname, :password, :password_confirmation, :avatar
  
     has_secure_password
  
     mount_uploader :avatar, AvatarUploader
  
     before_save { |user| user.email = user.email.downcase }
  
     before_save { |user| user.first_name = user.first_name.humanize }
  
  
  
     #key
  
     has_one :sessionkey, :foreign_key => "user_id", :dependent => :destroy
  
     has_one :usertype, :foreign_key => "user_id", :dependent => :destroy
  
  
  
     #Video section
  
     has_many :mainplaylists, :foreign_key => "user_id", :dependent => :destroy
  
     has_many :subplaylists, :foreign_key => "user_id", :dependent => :destroy
  
     has_many :movies, :foreign_key => "user_id", :dependent => :destroy
  
  
  
     #validates :first_name, presence: true
  
     VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
  
     VALID_NAME_REGEX = /\A[a-z][a-z][a-z]+\z/i
  
     VALID_VNAME_REGEX = /\A[A-Za-z][A-Za-z][A-Za-z][A-Za-z0-9 ]+([-][A-Za-z0-9 ]+)?\z/
  
     VALID_PASSWORD_REGEX = /\A[A-Za-z0-9!][A-Za-z0-9!][A-Za-z0-9!][A-Za-z0-9!][A-Za-z0-9!][A-Za-z0-9!]+\z/
  
     validates :first_name, presence: true, format: { with: VALID_NAME_REGEX}
  
     validates :last_name, presence: true, format: { with: VALID_NAME_REGEX}
  
     validates :email, presence: true, format: { with: VALID_EMAIL_REGEX}
  
     validates :login_id, presence: true, format: { with: VALID_VNAME_REGEX}, uniqueness: { case_sensitive: false}
  
     validates :vname, presence: true, format: { with: VALID_VNAME_REGEX}, uniqueness: { case_sensitive: false}
  
     validates :password, length: {minimum: 6}#, format: { with: VALID_PASSWORD_REGEX}
  
     validates :password_confirmation, presence: true #, format: { with: VALID_PASSWORD_REGEX}
  
  
  
     def to_param
  
        vname
  
     end
  
  end

  This is the sessionkey model :

  class Sessionkey < ActiveRecord::Base
  
    belongs_to :user
  
  end

  This is the usertype model :

  class Usertype < ActiveRecord::Base
  
    attr_accessible :privilege, :user_id #Only priviledge will be changeable
  
    belongs_to :user
  
  end

  This is the error message :

  No such file or directory - ffmpeg -i /home/eric/Projects/Local/Lduelingpets/Trial/public/uploads/tmp/1466811951-3149-2702/mp4_TrialMovies.mp4

• FATE’s New Look

  4 août 2010, par Multimedia Mike — FATE Server

  The FATE main page exposes a lot of data. The manner in which it is presented has always been bounded by my extremely limited web development abilities. I wrestled with whether I should learn better web development skills first and allow that to inform any improved design, or focus on the more useful design and invest my web development learning time towards realizing that design.

  Fortunately, Mans solved this conundrum with an elegantly simple solution :

  
  
  

  The top of the page displays a status bar that illustrates — at a glance — how functional the codebase is. The web page source code identifies this as the failometer. It took me a few seconds to recognize what information that status bar was attempting to convey ; maybe it could use a succinct explanation.

  Mini-Book Review
  
  Before Mans took over, I thought about this problem quite a bit. I needed inspiration for creating a better FATE main page and aggregating a large amount of data in a useful, easily-digested form. Looking around the web, I see no shortage of methods for visualizing data. I could start shoehorning FATE data into available methods and see what works. But I thought it would be better to take a step back and think about the best way to organize the data. My first clue came awhile ago in the form of an xkcd comic : Blogofractal. Actually, the clue came from the mouseover text which recommended Edward Tufte’s "The Visual Display of Quantitative Information".

  
  
  

  I ordered this up and plowed through it. It’s an interesting read, to be sure. However, I think it illustrates what a book on multimedia and compression technology would look like if authored by yours truly— a book of technical curiosities from epochs past that discusses little in the way of modern practical application. Tufte’s book showed me lots of examples of infographics from decades and even centuries past, but I never concisely learned exactly how to present data such as FATE’s main page in a more useful form.

  Visualization Blog
  More recently, I discovered a blog called Flowing Data, authored by a statistics Ph.D. candidate who purportedly eats, sleeps, and breathes infographics. The post 11 Ways to Visualize Changes Over Time : A Guide offers a good starting point for creating useful data presentations.

  I still subscribe to and eagerly read Flowing Data. But I might not have as much use for data visualization now that Mans is on FATE duty.