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• using ffmpeg as multiple downloads

  26 avril 2013, par user2321982

  well guys, I'm having problems with my application.
  well I'll explain more, I'm using the plugin uploader uploads multiple videos and I'm using the ffmpeg extension to my php version.

  <code class="echappe-js">&lt;script type=&quot;text/javascript&quot;&gt;<br />
  
  // Convert divs to queue widgets when the DOM is ready<br />
  
  $(function() {<br />
  
      $(&quot;#uploader&quot;).pluploadQueue({<br />
  
          // General settings<br />
  
          runtimes : &amp;#39;gears,flash,silverlight,browserplus,html5&amp;#39;,<br />
  
          url : &amp;#39;upload.php?id=&amp;lt;?= $login_usuario; ?&gt;&amp;amp;name=&amp;lt;?= $name_user; ?&gt;&amp;#39;,<br />
  
          flash_swf_url : &amp;#39;plugins/plupload/plupload.flash.swf&amp;#39;,<br />
  
          containers: &amp;#39;plupload&amp;#39;,<br />
  
          multipart: true,<br />
  
          urlstream_upload: true,<br />
  
          multipart_params:{directory:&amp;#39;uploads&amp;#39;},<br />
  
          multi_selection: true,<br />
  
  <br />
  
          max_file_size : &amp;#39;500mb&amp;#39;,<br />
  
          chunk_size : &amp;#39;1mb&amp;#39;,<br />
  
          unique_names : true,<br />
  
  <br />
  
          // Specify what files to browse for<br />
  
          filters : [<br />
  
              {title : &quot;Video Files&quot;, extensions : &quot;avi,mpg,wmv,flv,3gp,mpeg,mpeg4,mpg4,mp4&quot;}<br />
  
          ],<br />
  
          // Silverlight settings<br />
  
          silverlight_xap_url : &amp;#39;plugins/plupload/plupload.silverlight.xap&amp;#39;<br />
  
      });<br />
  
  <br />
  
      uploader.ini();<br />
  
  <br />
  
   // Client side form validation<br />
  
          $(&amp;#39;form&amp;#39;).submit(function(e) {<br />
  
              var uploader = $(&amp;#39;#uploader&amp;#39;).plupload(&amp;#39;getUploader&amp;#39;);<br />
  
  <br />
  
              // Files in queue upload them first<br />
  
              if (uploader.files.length &gt; 0) {<br />
  
                  // When all files are uploaded submit form<br />
  
                  uploader.bind(&amp;#39;StateChanged&amp;#39;, function() {<br />
  
                      if (uploader.files.length === (uploader.total.uploaded + uploader.total.failed)) {<br />
  
                          $(&amp;#39;form&amp;#39;)[0].submit();<br />
  
                      }<br />
  
                  });<br />
  
  <br />
  
                  uploader.start();<br />
  
              } else<br />
  
                  alert(&amp;#39;You must at least upload one file.&amp;#39;);<br />
  
  <br />
  
              return false;<br />
  
          });<br />
  
      });<br />
  
  &lt;/script&gt;
  
                              
  You browser doesn't have Flash, Silverlight, Gears, BrowserPlus or HTML5 support.
  
  
  

  well he calls javascript in a php file, in case it will upload the videos.

  what I want is to get the length, resolution, file size and take a screenshot of the video randomly, so far so good, the problem is that it only works with only one upload at a time.
  When sending more than one he does the procedure with ffmpeg, besides the most is not taking a screenshot of the video.
  below is my code

  <?php
  
  ini_set('max_execution_time', 300); //300 seconds = 5 minutes
  
  if (!extension_loaded ('ffmpeg') ) exit ( 'ffmpeg não foi carregado!' );
  
  // HTTP headers for no cache etc
  
  header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
  
  header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
  
  header("Cache-Control: no-store, no-cache, must-revalidate");
  
  header("Cache-Control: post-check=0, pre-check=0", false);
  
  header("Pragma: no-cache");
  
  
  
  include("includes/seguranca.php");
  
  include("includes/classes/class.mysql.php");
  
  include("includes/funcoes/sql_inject.php");
  
  
  
  $id_user = anti_injection($_GET['id']);
  
  session_start();
  
  
  
  // Settings
  
  //$targetDir = ini_get("upload_tmp_dir") . DIRECTORY_SEPARATOR . "plupload";
  
  $targetDir = 'uploads/';
  
  
  
  //$cleanupTargetDir = false; // Remove old files
  
  //$maxFileAge = 60 * 60; // Temp file age in seconds
  
  
  
  // 5 minutes execution time
  
  @set_time_limit(5 * 60);
  
  
  
  // Uncomment this one to fake upload time
  
  // usleep(5000);
  
  
  
  // Get parameters
  
  $chunk = isset($_REQUEST["chunk"]) ? $_REQUEST["chunk"] : 0;
  
  $chunks = isset($_REQUEST["chunks"]) ? $_REQUEST["chunks"] : 0;
  
  $fileName = isset($_REQUEST["name"]) ? $_REQUEST["name"] : '';
  
  
  
  // Clean the fileName for security reasons
  
  $fileName = preg_replace('/[^\w\._]+/', '', $fileName);
  
  
  
  // Make sure the fileName is unique but only if chunking is disabled
  
  if ($chunks < 2 && file_exists($targetDir . DIRECTORY_SEPARATOR . $fileName)) {
  
      $ext = strrpos($fileName, '.');
  
      $fileName_a = substr($fileName, 0, $ext);
  
      $fileName_b = substr($fileName, $ext);
  
  
  
      $count = 1;
  
      while (file_exists($targetDir . DIRECTORY_SEPARATOR . $fileName_a . '_' . $count . $fileName_b))
  
          $count++;
  
  
  
      $fileName = $fileName_a . '_' . $count . $fileName_b;
  
  
  
  
  
  }
  
  
  
  // Create target dir
  
  if (!file_exists($targetDir))
  
      @mkdir($targetDir);
  
  
  
  // Look for the content type header
  
  if (isset($_SERVER["HTTP_CONTENT_TYPE"]))
  
      $contentType = $_SERVER["HTTP_CONTENT_TYPE"];
  
  
  
  if (isset($_SERVER["CONTENT_TYPE"]))
  
      $contentType = $_SERVER["CONTENT_TYPE"];
  
  
  
  // Handle non multipart uploads older WebKit versions didn't support multipart in HTML5
  
  if (strpos($contentType, "multipart") !== false) {
  
      if (isset($_FILES['file']['tmp_name']) && is_uploaded_file($_FILES['file']['tmp_name'])) {
  
  
  
  
  
          // Open temp file
  
          $out = fopen($targetDir . DIRECTORY_SEPARATOR . $fileName, $chunk == 0 ? "wb" : "ab");
  
          if ($out) {
  
              // Read binary input stream and append it to temp file
  
              $in = fopen($_FILES['file']['tmp_name'], "rb");
  
  
  
              if ($in) {
  
                  while ($buff = fread($in, 4096))
  
                      fwrite($out, $buff);
  
              } else
  
                  die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}');
  
              fclose($in);
  
              fclose($out);
  
              @unlink($_FILES['file']['tmp_name']);
  
  
  
  
  
  
  
          } else
  
              die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');
  
      } else
  
          die('{"jsonrpc" : "2.0", "error" : {"code": 103, "message": "Failed to move uploaded file."}, "id" : "id"}');
  
  } else {
  
      // Open temp file
  
      $out = fopen($targetDir . DIRECTORY_SEPARATOR . $fileName, $chunk == 0 ? "wb" : "ab");
  
      if ($out) {
  
          // Read binary input stream and append it to temp file
  
          $in = fopen("php://input", "rb");
  
  
  
          if ($in) {
  
              while ($buff = fread($in, 4096))
  
                  fwrite($out, $buff);
  
          } else
  
              die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}');
  
  
  
          fclose($in);
  
          fclose($out);
  
      } else
  
          die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');
  
  }
  
  $photoName = $_FILES['file']['name'];
  
  
  
  $exploded_photoName = explode('.', $photoName);
  
  
  
  $user_id = $_SESSION['SESS_MEMBER_ID'];
  
  
  
  if(!isset($_SESSION[$photoName])) {
  
  
  
      $_SESSION[$photoName] = '1';
  
  }
  
  
  
  if($chunk==1){
  
  
  
  $movie_file = realpath("/uploads/".$fileName);
  
  
  
  // instancia a classe ffmpeg_movie para pegarmos as informações que queremos o vídeo
  
  $movie = new ffmpeg_movie($movie_file);
  
  // pegamos a duranção do video em segundos
  
  $duration = round ( $movie->getDuration() , 0 );
  
  // recebemos o número de frames do vídeo
  
  $totalFrames = $movie->getFrameCount();
  
  // recebemos a altura do vídeo em pixels
  
  $height = $movie->getFrameHeight ();
  
  // recebemos a largura do vídeo em pixels
  
  $width = $movie->getFrameWidth ();
  
  
  
  $thumbnailOf = $movie->getFrameRate() * 5;
  
  
  
  $thumbnailOf = round ( $movie->getFrameCount() / 2 );
  
  
  
  // precisamos criar uma imagem GD para o ffmpeg-php trabalhar nela
  
  $image = imagecreatetruecolor ($width,$height ) ;
  
  // criamos a instancia do frame com a classe ffmpeg_frame
  
  $frame = new ffmpeg_frame ($image);
  
  // escolhemos o frame que queremos salvar como jpeg
  
  $thumbnailOf = rand (1,$movie->getFrameCount());
  
  // recebe o frame
  
  $frame = $movie->getFrame ( $thumbnailOf );
  
  // converte para uma imagem GD
  
  $image = $frame->toGDImage ();
  
  
  
  $size = filesize("uploads/".$fileName);
  
  
  
  $valuea = rand(0,100);
  
  $valueb = rand(0,100);
  
  $valuec = rand(0,10);
  
  
  
  $nome = @md5(date('now') * $valuea - $valueb / $valuec);
  
  
  
  $dir = realpath("uploads/snapshots/$nome.jpg");
  
  //salva no HD.
  
  imagejpeg($image, $dir, 100);
  
  
  
  
  
  $resolu = $width."x".$height;
  
  
  
      mysql_query("INSERT INTO video 
  
  (poster_id,duration,video,titulo,resolucao,tamanho) 
  
      VALUES
  
  ('$id_user','$duration','$fileName','$exploded_photoName[0]','$resolu','$size')") or die(mysql_error());
  
  
  
  }
  
  // Return JSON-RPC response
  
  die('{"jsonrpc" : "2.0", "result" : null, "id" : "id"}');
  
  
  
  ?>

  I did another method not so effective to do what I want but it only works if I open the page individually.

  I removed the code from ffmpeg extension and put an include to that page.

  <?
  
  ini_set('max_execution_time', 300); //300 seconds = 5 minutes
  
  if (!extension_loaded ('ffmpeg') ) exit ( 'ffmpeg não foi carregado!' );
  
  
  
  include("includes/seguranca.php");
  
  include("includes/classes/class.mysql.php");
  
  include("includes/funcoes/sql_inject.php");
  
  
  
  $id_user = @anti_injection($_GET['id']);
  
  
  
  class process{
  
      public $videos;
  
      public $target;
  
      public $id_vid;
  
  
  
  public function screen(){
  
  
  
  $videos = $this->videos;
  
  $target = $this->target;
  
  
  
  $movie_file = realpath($videos);
  
  // instancia a classe ffmpeg_movie para pegarmos as informações que queremos o vídeo
  
  $movie = new ffmpeg_movie($movie_file);
  
  $totalFrames = $movie->getFrameCount();
  
  $thumbnailOf = $movie->getFrameRate() * 5;
  
  $thumbnailOf = round ( $movie->getFrameCount() / 2 );
  
  
  
  // criamos a instancia do frame com a classe ffmpeg_frame
  
  $frame = new ffmpeg_frame ( $image );
  
  // escolhemos o frame que queremos salvar como jpeg
  
  
  
  $thumbnailOf = rand (1,$movie->getFrameCount());
  
  // recebe o frame
  
  $frame = $movie->getFrame ( $thumbnailOf );
  
  // converte para uma imagem GD
  
  $image = $frame->toGDImage ();
  
  $valuea = rand(0,100);
  
  $valueb = rand(0,100);
  
  $valuec = rand(0,10);
  
  
  
  $nome = @md5(date('now') * $valuea - $valueb / $valuec);
  
  
  
  $dir = $target."snapshots/".$nome.".jpeg";
  
  //salva no HD.
  
  imagejpeg($image,$dir, 100);
  
  
  
  $q = new Query;
  
  $q  ->update('video')
  
      ->set(
  
          array(
  
             'screen'=>$nome.".jpeg"
  
          )
  
      )
  
          ->where_equal_to(
  
                  array(
  
                          'id_video'=>$this->id_vid
  
                  )
  
          )
  
          ->limit(1)
  
  
  
      ->run();
  
  
  
  }
  
  
  
  
  
  public function duration(){
  
  
  
  $videos = $this->videos;    
  
  $movie_file = realpath($videos);
  
  // instancia a classe ffmpeg_movie para pegarmos as informações que queremos o vídeo
  
  $movie = new ffmpeg_movie($movie_file);
  
  // pegamos a duranção do video em segundos
  
  $duration = round ( $movie->getDuration() , 0 );
  
  
  
  $q = new Query;
  
  $q  ->update('video')
  
      ->set(
  
          array(
  
             'duration'=>$duration
  
          )
  
      )
  
          ->where_equal_to(
  
                  array(
  
                          'id_video'=>$this->id_vid
  
                  )
  
          )
  
          ->limit(1)
  
  
  
      ->run();
  
  }
  
  
  
  
  
  public function resolution(){
  
  
  
  $videos = $this->videos;    
  
  $movie_file = realpath($videos);
  
  // instancia a classe ffmpeg_movie para pegarmos as informações que queremos o vídeo
  
  $movie = new ffmpeg_movie($movie_file);
  
  // recebemos a altura do vídeo em pixels
  
  $height = $movie->getFrameHeight ();
  
  // recebemos a largura do vídeo em pixels
  
  $width = $movie->getFrameWidth ();
  
  $resolucao =  $width."x".$height;
  
  
  
  
  
  $q = new Query;
  
  $q  ->update('video')
  
      ->set(
  
          array(
  
             'resolucao'=>$resolucao
  
          )
  
      )
  
      ->where_equal_to(
  
                  array(
  
                          'id_video'=>$this->id_vid
  
                  )
  
          )
  
          ->limit(1)
  
  
  
      ->run();
  
  }
  
  
  
  final public function checar($a){
  
  
  
  $q = new Query;
  
  $q  ->update('video')
  
      ->set(
  
          array(
  
             'process'=>$a
  
          )
  
      )
  
      ->where_equal_to(
  
                  array(
  
                          'id_video'=>$this->id_vid
  
                  )
  
          )
  
          ->limit(1)
  
  
  
      ->run();
  
  
  
  }
  
  
  
  }
  
  
  
  $q=new Query;
  
  $q->select(
  
                  array(
  
                          'id_video',
  
                          'video',
  
                          'dir',
  
                          'screen',
  
                          'poster_id',
  
                          'resolucao',
  
                          'duration'
  
                  )
  
          )
  
          ->from('video')
  
  
  
  
  
  
  
          ->run();
  
  if($q){
  
          $users=$q->get_selected();
  
          foreach($users as $user){
  
           $c = new process;
  
  
  
           $c->videos = $user['video'];
  
           $c->target = $user['dir'];
  
           $c->id_vid = $user['id_video'];
  
  
  
          if(($user['screen'] == 'NULL') or ($user['duration'] == 'NULL') or ($user['resolucao'] == 'NULL')){
  
                  $c->checar(0);
  
  
  
                  if($user['screen'] == 'NULL'){      
  
                  $c->screen();
  
                  }
  
  
  
                  if($user['duration'] == 'NULL'){
  
                  $c->duration(); 
  
                  }
  
  
  
                  if($user['resolucao'] == 'NULL'){
  
                  $c->resolution();   
  
                  }
  
  
  
          }else{
  
  
  
          $c->checar(1);
  
  
  
          }
  
  
  
          }
  
  }
  
  else{
  
          echo 'Sorry, no users found.';
  
  }
  
  
  
  
  
  
  
  ?>

• FFmpeg encoding in c

  25 décembre 2012, par barisatbas

  I have been working on a project about video summarization on android platfrom. and I am stuck in encoding. I think ;
  first I must convert my frame into RGB Frame, then convert that RGB FRame into YUV Frame. Then encode the frame. After this operations, The output video was so weird. I think I missed something. Here is my las optimized code. Maybe someone has an experiement in this subject.

  Its syntax is changed according to android ndk syntax :

  jint Java_com_test_Test_encodeVideo(JNIEnv* env, jobject javaThis) 
  
  { 
  
       char *flname, *err, *info; 
  
       AVCodec *codec; 
  
       AVCodecContext *c= NULL; 
  
       int i,out_size, size, x, y,z, outbuf_size; 
  
       int frameCount=99; 
  
       FILE *f; 
  
       AVFrame *picture, *yuvFrame; 
  
       uint8_t *outbuf, *picture_buf; 
  
       PPMImage *img; 
  
       const char *destfilename = "/sdcard/new.mp4"; 
  
       int             numBytes; 
  
       uint8_t         *buffer; 
  
  
  
       av_register_all(); 
  
       // must be called before using avcodec lib 
  
       avcodec_init(); 
  
  
  
       // register all the codecs 
  
       avcodec_register_all(); 
  
       log_message("Video encoding\n"); 
  
  
  
       // find the H263 video encoder 
  
       codec = avcodec_find_encoder(CODEC_ID_H263); 
  
       if (!codec) { 
  
           sprintf(err, "codec not found\n"); 
  
           log_message(err); 
  
       } 
  
  
  
       c= avcodec_alloc_context(); 
  
       picture= avcodec_alloc_frame(); 
  
       yuvFrame= avcodec_alloc_frame(); 
  
  
  
       // get first ppm context. it is because I need width and height values. 
  
       img = getPPM("/sdcard/frame1.ppm"); 
  
  
  
       c->bit_rate = 400000; 
  
       // resolution must be a multiple of two 
  
  
  
       c->width = img->x; 
  
       c->height = img->y; 
  
       free(img); 
  
       // frames per second 
  
       c->time_base= (AVRational){1,25}; 
  
       c->gop_size = 10; // emit one intra frame every ten frames 
  
       //c->max_b_frames=1; 
  
       c->pix_fmt = PIX_FMT_YUV420P; 
  
       // open it 
  
       if (avcodec_open(c, codec) < 0){ 
  
      log_message("codec couldn't open"); 
  
      return -1; 
  
       } 
  
       //destfilename = (*env)->GetStringUTFChars(env, dst, 0); 
  
       f = fopen(destfilename, "wb"); 
  
       log_message(destfilename); 
  
       if (!f) { 
  
           sprintf(err, "could not open %s", destfilename); 
  
           log_message(err); 
  
       } 
  
  
  
       log_message("after destination file opening"); 
  
       // alloc image and output buffer 
  
       outbuf_size = 100000; 
  
       outbuf = malloc(outbuf_size); 
  
       size = c->width * c->height; 
  
       picture_buf = malloc(size * 3); // size for RGB 
  
       picture->data[0] = picture_buf; 
  
       picture->data[1] = picture->data[0] + size; 
  
       picture->data[2] = picture->data[1] + size / 4; 
  
       picture->linesize[0] = c->width; 
  
       picture->linesize[1] = c->width / 2; 
  
       picture->linesize[2] = c->width / 2; 
  
  
  
       numBytes=avpicture_get_size(PIX_FMT_YUV420P, c->width, 
  
                c->height); 
  
  
  
       buffer=malloc(numBytes); 
  
  
  
            // Assign appropriate parts of buffer to image planes in FrameYUV 
  
       avpicture_fill((AVPicture *)yuvFrame, buffer, PIX_FMT_YUV420P, 
  
                c->width, c->height); 
  
       // encode the video 
  
       log_message("before for loop"); 
  
       for(z=1;zsdcard/frame%d.ppm",z); 
  
                           // read the ppm file 
  
                           img = getPPM(flname); 
  
                           picture->data[0] = img->data; 
  
                           // convert the rgb frame into yuv frame 
  
                           rgb2yuv(picture,yuvFrame,c); 
  
                           log_message("translation completed."); 
  
                           // encode the image 
  
                           out_size = avcodec_encode_video(c, outbuf, outbuf_size, yuvFrame); 
  
                           sprintf(info,"encoding frame %3d (size=%5d)\n", z, out_size); 
  
                           log_message(info); 
  
                           fwrite(outbuf, 1, out_size, f); 
  
                           free(img); 
  
       } 
  
  
  
       // get the delayed frames 
  
       for(; out_size; i++) { 
  
           //fflush(stdout); 
  
           out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL); 
  
           sprintf(info,"write frame %3d (size=%5d)\n", i, out_size); 
  
               log_message(info); 
  
           fwrite(outbuf, 1, out_size, f); 
  
       } 
  
  
  
       // add sequence end code to have a real mpeg file 
  
       outbuf[0] = 0x00; 
  
       outbuf[1] = 0x00; 
  
       outbuf[2] = 0x01; 
  
       outbuf[3] = 0xb7; 
  
       fwrite(outbuf, 1, 4, f); 
  
       fclose(f); 
  
       free(picture_buf); 
  
       free(outbuf); 
  
  
  
       avcodec_close(c); 
  
       av_free(c); 
  
       av_free(picture); 
  
       av_free(yuvFrame); 
  
  } 
  
  
  
  int rgb2yuv(AVFrame *frameRGB, AVFrame *frameYUV, AVCodecContext *c) 
  
  { 
  
          char *err; 
  
          static struct SwsContext *img_convert_ctx; 
  
  
  
  
  
          log_message("conversion starts"); 
  
          // Convert the image into YUV format from RGB format 
  
          if(img_convert_ctx == NULL) { 
  
                  int w = c->width; 
  
                  int h = c->height; 
  
  
  
                  img_convert_ctx = sws_getContext(w, h, PIX_FMT_RGB24,w, h, c->pix_fmt, SWS_BICUBIC,NULL, NULL, NULL); 
  
  
  
                  if(img_convert_ctx == NULL) { 
  
                          sprintf(err, "Cannot initialize the conversion context!\n"); 
  
                          log_message(err); 
  
                          return -1; 
  
                  } 
  
          } 
  
    int ret = sws_scale(img_convert_ctx,frameRGB->data, frameRGB->linesize , 0,c->height,frameYUV->data, frameYUV->linesize ); 
  
          return; 
  
  }

• Revision e7bddba149 : new version of speed 1 This version of speed 1 only disables modes at higher re

  23 avril 2013, par Jim Bankoski

  Changed Paths : Modify /vp9/encoder/vp9_block.h Modify /vp9/encoder/vp9_rdopt.c new version of speed 1 This version of speed 1 only disables modes at higher resolution that had distortions >2x the best mode we found... The hope is that this could be a replacement for speed 0 ... Change-Id : (...)