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• Uploading videos on rails website

  16 mai 2017, par Dinukaperera

  I am trying to let my users upload videos on my website(not deployed yet, testing locally). I have it set up in a manner where if the "user information" gets saved, it will take them to the "root_path", which is the homepage. If the user information is not saved, it will render the form again. Before I added the video upload feature, all the information got saved and everything worked well, but after adding the feature, it keeps rendering the same form over and over again since the information is not getting saved. How do I check what’s wrong ? The command line gives me this error :

  The user information form partial :
  `

  <%= simple_form_for @userinfo do |f| %>
  
    <%= f.input :name, label: 'Full name', error: 'Full name is mandatory' %>
  
    <%= f.input :username, label: 'Username', error: 'Username is mandatory, please specify one' %>
  
    <%= f.input :school, label: 'Name of college' %>
  
    <%= f.input :gpa, label: 'Enter GPA' %>
  
    <%= f.input :email, label: 'Enter email address' %>
  
    <%= f.input :number, label: 'Phone number' %>
  
    <%= f.file_field :video %>
  
    <%= f.button :submit %>
  
  <% end %>

  `

  My user controller (This is the user information controller, does not control user email and password. I’m using the devise gem for user sign in, sign out, and sign up) :`

  class UsersController < ApplicationController
  
      def index
  
      end
  
  
  
      def show
  
      end
  
  
  
      def new
  
          @userinfo = User.new
  
      end
  
  
  
      def create
  
          @userinfo = User.new(user_params)
  
          if @userinfo.save
  
            redirect_to root_path
  
          else
  
            render 'new'
  
          end
  
      end
  
  
  
      def edit
  
      end
  
  
  
      def update
  
      end
  
  
  
      def destroy
  
      end
  
  
  
      private
  
          def user_params
  
              params.require(:user).permit(:name, :username, :email, :number, :school, :gpa, :major, :video)
  
          end
  
  end

  `

  This is the user model (usermain is the model related to user password and email. The user information in the user model belongs to the usermain) : `

  class User < ActiveRecord::Base
  
      belongs_to :usermain
  
  
  
      has_attached_file :video, styles: {:video_show => {:geometry => "640x480",:format => 'mp4'},:video_index => { :geometry => "160x120", :format => 'jpeg', :time => 10}}, :processors => [:transcoder]
  
      validates_attachment_content_type :video, content_type: /\Avideo\/.*\Z/
  
  end

  `

  This is the migration file that creates the user information table :`

  class CreateUsers < ActiveRecord::Migration
  
    def change
  
      create_table :users do |t|
  
        t.string :name
  
        t.string :username
  
        t.string :email
  
        t.string :number
  
        t.string :school
  
        t.string :gpa
  
        t.string :major
  
  
  
        t.timestamps null: false
  
      end
  
    end
  
  end

  This is adding the "video" field to the above created user information table:

  class AddAttachmentVideoToUsers < ActiveRecord::Migration
  
    def self.up
  
      change_table :users do |t|
  
        t.attachment :video
  
      end
  
    end
  
  
  
    def self.down
  
      remove_attachment :users, :video
  
    end
  
  end

  `

  I also have paperclip and ffmpeg installed. When I say installed, it’s literally just that. I’m not sure if I have to manipulate paperclip or ffmpeg in any way to make it work with the videos, I have just installed and did nothing else with them. I have been pulling my hair out for the past two days. Any help is appreciated.

• Converting a video to a GIF

  21 novembre 2019, par Wolfiebae

  I am trying to make my app to accept videos from the phone’s library to be uploaded and converted into GIF format. My code is giving out this build error though :-

  error: <anonymous> is not abstract and does not override abstract method onReschedule(String,ErrorInfo) in UploadCallback
  
  </anonymous>

  and also this warning on my onActivityResult method :-

  Overriding method should call super.onActivityResult

  The code is as below : -

  public class Video2gif extends AppCompatActivity {
  
  
  
      private Button uploadBtn;
  
      private ProgressBar progressBar;
  
      private int SELECT_VIDEO = 2;
  
      private ImageView img1;
  
      private DownloadManager downloadManager;
  
      private Button download_btn;
  
      private String gifUrl;
  
  
  
      @Override
  
      protected void onCreate(Bundle savedInstanceState) {
  
          super.onCreate(savedInstanceState);
  
          setContentView(R.layout.activity_video2gif);
  
          MediaManager.init(this);
  
  
  
          progressBar = findViewById(R.id.progress_bar);
  
          MediaManager.init(this);
  
          img1 = findViewById(R.id.img1);
  
          uploadBtn = findViewById(R.id.uploadBtn);
  
  
  
          uploadBtn.setOnClickListener(new View.OnClickListener() {
  
              @Override
  
              public void onClick(View view) {
  
                  pickVideoFromGallery();
  
  
  
              }
  
              private void pickVideoFromGallery() {
  
                  Intent GalleryIntent = new Intent();
  
                  GalleryIntent.setType("video/*");
  
                  GalleryIntent.setAction(Intent.ACTION_GET_CONTENT);
  
                  startActivityForResult(Intent.createChooser(GalleryIntent,
  
                          "select video"), SELECT_VIDEO);
  
              }
  
          });
  
      }
  
      @Override
  
      protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
  
  
  
          if (requestCode == SELECT_VIDEO && resultCode == RESULT_OK) {
  
              Uri selectedVideo = data.getData();
  
              MediaManager.get()
  
                      .upload(selectedVideo)
  
                      .unsigned("myid")
  
                      .option("resource_type", "video")
  
                      .callback(new UploadCallback(){
  
                          @Override
  
                          public void onStart(String requestId) {
  
                              progressBar.setVisibility(View.VISIBLE);
  
                              Toast.makeText(Video2gif.this,
  
                                      "Upload Started...", Toast.LENGTH_SHORT).show();
  
                          }
  
  
  
                          public void onProgress() {
  
                          }
  
  
  
                          public void onSuccess(String requestId, Map resultData) {
  
  
  
                              Toast.makeText(Video2gif.this, "Uploaded Succesfully",
  
                                      Toast.LENGTH_SHORT).show();
  
                              progressBar.setVisibility(View.GONE);
  
                              uploadBtn.setVisibility(View.INVISIBLE);
  
  
  
                              String publicId = resultData.get("public_id").toString();
  
  
  
                              gifUrl = MediaManager.get().url().resourceType("video")
  
                                      .transformation(new Transformation().videoSampling("25")
  
                                              .delay("200").height(200).effect("loop:10").crop("scale"))
  
                                      .resourceType("video").generate(publicId+".gif");
  
  
  
                              Glide.with(getApplicationContext()).asGif().load(gifUrl).into(img1);
  
                              download_btn.setVisibility(View.VISIBLE);
  
  
  
                          }
  
                          public void onError(String requestId, ErrorInfo error) {
  
                              Toast.makeText(Video2gif.this,
  
                                      "Upload Error", Toast.LENGTH_SHORT).show();
  
                              Log.v("ERROR!!", error.getDescription());
  
                          }
  
  
  
  
  
          });
  
      }
  
  }
  
  
  
  }

  I am also using Cloudinary to help process the video to GIF. Any help would be appreciated, many thanks !

• Converting video to GIF in Android Studio

  21 novembre 2019, par Wolfiebae

  I am trying to make my app to accept videos from the phone’s library to be uploaded and converted into GIF format. My code is giving out this build error though :-

  error: <anonymous> is not abstract and does not override abstract method onReschedule(String,ErrorInfo) in UploadCallback
  
  </anonymous>

  and also this warning on my onActivityResult method :-

  Overriding method should call super.onActivityResult

  The code is as below : -

  public class Video2gif extends AppCompatActivity {
  
  
  
      private Button uploadBtn;
  
      private ProgressBar progressBar;
  
      private int SELECT_VIDEO = 2;
  
      private ImageView img1;
  
      private DownloadManager downloadManager;
  
      private Button download_btn;
  
      private String gifUrl;
  
  
  
      @Override
  
      protected void onCreate(Bundle savedInstanceState) {
  
          super.onCreate(savedInstanceState);
  
          setContentView(R.layout.activity_video2gif);
  
          MediaManager.init(this);
  
  
  
          progressBar = findViewById(R.id.progress_bar);
  
          MediaManager.init(this);
  
          img1 = findViewById(R.id.img1);
  
          uploadBtn = findViewById(R.id.uploadBtn);
  
  
  
          uploadBtn.setOnClickListener(new View.OnClickListener() {
  
              @Override
  
              public void onClick(View view) {
  
                  pickVideoFromGallery();
  
  
  
              }
  
              private void pickVideoFromGallery() {
  
                  Intent GalleryIntent = new Intent();
  
                  GalleryIntent.setType("video/*");
  
                  GalleryIntent.setAction(Intent.ACTION_GET_CONTENT);
  
                  startActivityForResult(Intent.createChooser(GalleryIntent,
  
                          "select video"), SELECT_VIDEO);
  
              }
  
          });
  
      }
  
      @Override
  
      protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
  
  
  
          if (requestCode == SELECT_VIDEO && resultCode == RESULT_OK) {
  
              Uri selectedVideo = data.getData();
  
              MediaManager.get()
  
                      .upload(selectedVideo)
  
                      .unsigned("myid")
  
                      .option("resource_type", "video")
  
                      .callback(new UploadCallback(){
  
                          @Override
  
                          public void onStart(String requestId) {
  
                              progressBar.setVisibility(View.VISIBLE);
  
                              Toast.makeText(Video2gif.this,
  
                                      "Upload Started...", Toast.LENGTH_SHORT).show();
  
                          }
  
  
  
                          public void onProgress() {
  
                          }
  
  
  
                          public void onSuccess(String requestId, Map resultData) {
  
  
  
                              Toast.makeText(Video2gif.this, "Uploaded Succesfully",
  
                                      Toast.LENGTH_SHORT).show();
  
                              progressBar.setVisibility(View.GONE);
  
                              uploadBtn.setVisibility(View.INVISIBLE);
  
  
  
                              String publicId = resultData.get("public_id").toString();
  
  
  
                              gifUrl = MediaManager.get().url().resourceType("video")
  
                                      .transformation(new Transformation().videoSampling("25")
  
                                              .delay("200").height(200).effect("loop:10").crop("scale"))
  
                                      .resourceType("video").generate(publicId+".gif");
  
  
  
                              Glide.with(getApplicationContext()).asGif().load(gifUrl).into(img1);
  
                              download_btn.setVisibility(View.VISIBLE);
  
  
  
                          }
  
                          public void onError(String requestId, ErrorInfo error) {
  
                              Toast.makeText(Video2gif.this,
  
                                      "Upload Error", Toast.LENGTH_SHORT).show();
  
                              Log.v("ERROR!!", error.getDescription());
  
                          }
  
  
  
  
  
          });
  
      }
  
  }
  
  
  
  }

  I am also using Cloudinary to help process the video to GIF. Any help would be appreciated, many thanks !