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• PHP ffmpeg Image to Video

  2 mars 2021, par Metin Saraç

  I want to create a Video with Image in php ffmpeg.

  


  My code is as follows,

  


  $video = $ffmpeg->open('image1.jpg');
$video->filters() ->resize(new FFMpeg\Coordinate\Dimension(1080, 1080))->synchronize();
$format = new FFMpeg\Format\Video\X264();
$format->setKiloBitrate(1000)->setAudioChannels(2)->setAudioKiloBitrate(256);
$video->save($format, 'video.avi');


  


  I want total video duration and background sound to my code, but I couldn't find a suitable solution. Can you help me ?

  


  Respects.

  


• Extract information about video frames

  5 mai 2017, par Sanduni Wickramasinghe

  I wrote a code to read a video in encoded domain and able to retrieve information such as size and duration of frames. AVPacket class consist of a variable as data. I can read it but since it is a bite array I can’t use it in readable format. I want to use this data for comparison with another video file. Please help.

  void CFfmpegmethods::VideoRead(){
  
  av_register_all();
  
  avformat_network_init();
  
  ofstream outdata;
  
  const char *url = "H:\\Sanduni_projects\\Sample_video.mp4";
  
  AVDictionary *options = NULL;
  
  AVFormatContext *s = avformat_alloc_context(); //NULL;
  
  
  
  AVPacket *pkt = new AVPacket();
  
  
  
  //open an input stream and read the header
  
  int ret = avformat_open_input(&s, url, NULL, NULL);
  
  
  
  //avformat_find_stream_info(s, &options); //finding the missing information 
  
  
  
  if (ret < 0)
  
      abort();
  
  
  
  av_dict_set(&options, "video_size", "640x480", 0);
  
  av_dict_set(&options, "pixel_format", "rgb24", 0);
  
  
  
  if (avformat_open_input(&s, url, NULL, &options) < 0){
  
      abort();
  
  }
  
  
  
  av_dict_free(&options);
  
  
  
  AVDictionaryEntry *e;
  
  
  
  if (e = av_dict_get(options, "", NULL, AV_DICT_IGNORE_SUFFIX)) {
  
      fprintf(stderr, "Option %s not recognized by the demuxer.\n", e->key);
  
      abort();
  
  }
  
  
  
  int i = 1;
  
  int j = 0;
  
  int64_t duration = 0;
  
  int size = 0;
  
  uint8_t *data = 0; //Unsigned integer type with a width of exactly 8 bits.
  
  int sum = 0;
  
  
  
  int total_size = 0;
  
  int total_duration = 0;
  
  int packet_size = 0;
  
  int64_t stream_index = 0;
  
  int64_t bit_rate = 0;
  
  
  
  //writing data to a file
  
  outdata.open("H:\\Sanduni_projects\\log.txt");
  
  
  
  if (!outdata){
  
      cerr << "Error: file could not be opened" << endl;
  
      exit(1);
  
  }
  
  
  
  //Split what is stored in the file into frames and return one for each call
  
  //returns the next frame of the stream
  
  
  
  while(1){
  
      int frame = av_read_frame(s, pkt);
  
      if (frame < 0) break;
  
  
  
      duration = pkt->duration;
  
      size = pkt->size;
  
  
  
      total_size = total_size + size;
  
      total_duration = total_duration + duration;
  
  
  
      cout << "frame:" << i << " " << size << " " << duration << endl;
  
      data = pkt->data;
  
      outdata << "Frame: " << i << " ";
  
      outdata << data<< endl;
  
  
  
      for (j = 0; j < size; j++){
  
  
  
      }
  
  
  
      i++;
  
      //pkt_no++;
  
      //outdata << sum << endl;       
  
  }
  
  
  
  //make the packet free
  
  av_packet_unref(pkt);
  
  delete pkt;
  
  
  
  cout << "total size: " << total_size << endl;
  
  cout << "total duration:" << total_duration << endl;
  
  
  
  outdata.close();
  
  
  
  //Close the file after reading
  
  avformat_close_input(&s);

  }

• Anomalie #4424 (Fermé) : Une rubrique est considérée comme publiée si elle a un logo

  19 janvier 2020, par nicod _

  Une rubrique sans article passe au statut "publie" dès qu’on lui ajoute un logo (qui sont maintenant des documents).

  Je pense que c’est à la fois côté SPIP, qui compte tous les enfants d’une rubrique, et du côté du plugin médias, qui renvoie le nombre de documents d’une rubrique qu’il faut intervenir.

  Mais medias_objet_compte_enfants() renvoie juste un total (sql_countsel), du coup il faudrait peut être lui passer un paramètre pour qu’elle exclue les logos dans certains cas ?