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• Watch My Hero Academia Heroes Rising Full Movie Online FREE #2019

  6 juillet 2020, par sarahlburke58

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  Title : My Hero Academia : Heroes Rising
Release : 2019-12-20
Runtime : 104 min
Genre : Animation, Action
Stars : Daiki Yamashita, Nobuhiko Okamoto, Kenta Miyake, Ayane Sakura, Aoi Yuki, Yuki Kaji

  


  Overview : Class 1-A visits Nabu Island where they finally get to do some real hero work. The place is so peaceful that it's more like a vacation … until they're attacked by a villain with an unfathomable Quirk ! His power is eerily familiar, and it looks like Shigaraki had a hand in the plan. But with All Might retired and citizens' lives on the line, there's no time for questions. Deku and his friends are the next generation of heroes, and they're the island's only hope.

  


• Impossible to redirect video stream after conversion (mkv to mp4)

  17 décembre 2019, par elgrusko

  I’m currently realising a school project which aims a streaming video website (like Netflix) using torrent-stream (with the magnet link). I am using NodeJS for the stream part.

  My problem is : I can’t redirect the stream to the HTML 5 player while i’m trying to stream and converting (with ffmpeg) video at the same time. I think it’s because I just can’t know what’s will be the final size of the converted file.
  In browser’s console I have this message : net::ERR_CONTENT_LENGTH_MISMATCH 200 (OK)

  I tried to put this in the header : Transfer-Encoding: chunked instead of Content-Length
  I specify that the stream (before conversion) works perfectly

  This is my code :

  getTorrentFile.then(function (file) {
  
                  res.setHeader('Content-Type', 'video/mp4');
  
                  res.setHeader('Content-Length', file.length);
  
                  const ranges = parseRange(file.length, '15' /* variable à comprendre */, { combine: true });
  
                  console.log(ranges);
  
                  if (ranges === -1) {
  
                      // 416 Requested Range Not Satisfiable
  
                      console.log('416')
  
                      res.statusCode = 416;
  
                      return res.end();
  
                  } else if (ranges === -2 || ranges.type !== 'bytes' || ranges.length > 1) {
  
                      // 200 OK requested range malformed or multiple ranges requested, stream ent'ire video
  
                      if (req.method !== 'GET') return res.end();
  
                      console.log('200')
  
                      stream = file.createReadStream()
  
                      ffmpeg(stream)
  
                      .videoCodec('libx264')
  
                      .audioCodec('aac')
  
                      .output(res)
  
                      .output('./video/' + film + '_s' + season + '_e' + episode + '.mp4')
  
                      .outputFormat('mp4')
  
                      .outputOptions('-movflags frag_keyframe+empty_moov')
  
                      .on('error', function(err) {
  
                          console.log('An error occurred: ' + err.message);
  
                      })
  
                      .on('progress', function(progress) {
  
                          console.log('Processing: ' + progress.targetSize + 'kb done');
  
                        })
  
                      .on('end', function() {
  
                          console.log('Processing finished !');
  
                      })
  
                      .addOutputOption('-acodec')
  
                      .run()

  Sorry if i’m not really clear, ask me some questions if you need more informations :)

  Thanks for your help, bye :)

• C++, FFmpeg, save AVPacket infomation into videostate structure in ffplay.c

  28 mai 2015, par Yoohoo

  I am currently working on a project that tests video streaming. In the project, video stream is encoded with H.264 before send and decoded after receive, using FFmpeg codec and functions.

  I can encode video stream by

  init_video_encode(AV_CODEC_ID_H264);

  where

  static void init_video_encode(AVCodecID codec_id){
  
  codec = avcodec_find_encoder(codec_id);
  
  if (!codec) {
  
      fprintf(stderr, "Codec not found\n");
  
      exit(1);
  
  }
  
  
  
  c = avcodec_alloc_context3(codec);
  
  if (!c) {
  
      fprintf(stderr, "Could not allocate video codec context\n");
  
      exit(1);
  
  }
  
  
  
  /* put sample parameters */
  
  c->bit_rate = 400000;
  
  /* resolution must be a multiple of two */
  
  c->width = 640;
  
  c->height = 480;
  
  /* frames per second */
  
  c->time_base= (AVRational){1,25};
  
  c->gop_size = 10; /* emit one intra frame every ten frames */
  
  c->max_b_frames=max_f;
  
  c->pix_fmt = AV_PIX_FMT_YUV420P;
  
  
  
  if(codec_id == AV_CODEC_ID_H264)
  
      av_opt_set(c->priv_data, "preset", "slow", 0);
  
  
  
  /* open it */
  
  if (avcodec_open2(c, codec, NULL) < 0) {
  
      fprintf(stderr, "Could not open codec\n");
  
      exit(1);
  
  }
  
  
  
  frame = avcodec_alloc_frame();
  
  if (!frame) {
  
      fprintf(stderr, "Could not allocate video frame\n");
  
      exit(1);
  
  }
  
  frame->format = c->pix_fmt;
  
  frame->width  = c->width;
  
  frame->height = c->height;
  
  
  
  /* the image can be allocated by any means and av_image_alloc() is
  
   * just the most convenient way if av_malloc() is to be used */
  
  ret = av_image_alloc(frame->data, frame->linesize, c->width, c->height,
  
                       c->pix_fmt, 32);
  
  
  
  /* get the delayed frames */
  
  if (ret < 0) {
  
      fprintf(stderr, "Could not allocate raw picture buffer\n");
  
      exit(1);
  
  }
  
      av_init_packet(&pkt);
  
  
  
  //}
  
  
  
      pkt.data = NULL;    // packet data will be allocated by the encoder
  
      pkt.size = 0;
  
      //cout<<"\nBefore YUV\n";
  
      if(count == 0)
  
      read_yuv420(frame->data[0]);
  
      count ++;
  
     // cout<<"\nAfter YUV\n";
  
      if(count == SUBSITY) {
  
      count = 0;
  
      }
  
  
  
      frame->pts = i++;
  
  
  
      /* encode the image */
  
      ret = avcodec_encode_video2(c, &pkt, frame, &got_output);
  
      if (ret < 0) {
  
           fprintf(stderr, "Error encoding frame\n");
  
           return -1;
  
      }
  
      //cout<<"\nRecord the Video\n";
  
      if (got_output) {
  
           //printf("Write frame %3d (size=%5d)\n", i, pkt.size);
  
           //cout<<"\nBefore Memcpy\n\n\n";
  
  
  
           memcpy(inbufout+totalSize,pkt.data,pkt.size);
  
           //cout<<"\nAfter Memcpy\n\n\n";
  
           totalSize+=pkt.size;

  The video encoder works very well, if I write the encoded packet into a .h264 file, it can be played. But at the decoder side, I cannot decode the received packet with :

      codec = avcodec_find_decoder(AV_CODEC_ID_H264);
  
      if (!codec) {
  
          fprintf(stderr, "Codec not found\n");
  
          exit(1);
  
      }
  
  
  
      c = avcodec_alloc_context3(codec);
  
      if (!c) {
  
          fprintf(stderr, "Could not allocate video codec context\n");
  
          exit(1);
  
      }
  
  
  
      if(codec->capabilities&CODEC_CAP_TRUNCATED)
  
          c->flags|= CODEC_FLAG_TRUNCATED; 
  
  
  
      /* open it */
  
      if (avcodec_open2(c, codec, NULL) < 0) {
  
          fprintf(stderr, "Could not open codec\n");
  
          exit(1);
  
      }
  
  
  
      frame = avcodec_alloc_frame();
  
      if (!frame) {
  
          fprintf(stderr, "Could not allocate video frame\n");
  
          exit(1);
  
      }
  
  len = avcodec_decode_video2(avctx, frame, &got_frame, pkt);
  
      if (len < 0) {
  
          fprintf(stderr, "Error while decoding frame %d\n", *frame_count);
  
          return len;
  
      }

  The reason of failure is lacking parser, I have tried to build a parser but failed......

  Therefore I am wondering using ffplay.c as a header file in my receiver program so that I can use it as the decoder and player.

  I have took a look at ffplay.c, it actually fetch file into a videostate structure and processing it. The fetching part is from line 3188 of ffplay.c :

  VideoState *is;
  
  
  
      is = av_mallocz(sizeof(VideoState));
  
      if (!is)
  
          return NULL;
  
      av_strlcpy(is->filename, filename, sizeof(is->filename));
  
      is->iformat = iformat;
  
      is->ytop    = 0;
  
      is->xleft   = 0;
  
  
  
      /* start video display */
  
      if (frame_queue_init(&is->pictq, &is->videoq, VIDEO_PICTURE_QUEUE_SIZE, 1) < 0)
  
          goto fail;
  
      if (frame_queue_init(&is->subpq, &is->subtitleq, SUBPICTURE_QUEUE_SIZE, 0) < 0)
  
          goto fail;
  
      if (frame_queue_init(&is->sampq, &is->audioq, SAMPLE_QUEUE_SIZE, 1) < 0)
  
          goto fail;
  
  
  
      packet_queue_init(&is->videoq);
  
      packet_queue_init(&is->audioq);
  
      packet_queue_init(&is->subtitleq);
  
  
  
      is->continue_read_thread = SDL_CreateCond();
  
  
  
      init_clock(&is->vidclk, &is->videoq.serial);
  
      init_clock(&is->audclk, &is->audioq.serial);
  
      init_clock(&is->extclk, &is->extclk.serial);
  
      is->audio_clock_serial = -1;
  
      is->av_sync_type = av_sync_type;
  
      is->read_tid     = SDL_CreateThread(read_thread, is);
  
      if (!is->read_tid) {
  
  fail:
  
          stream_close(is);
  
          return NULL;
  
      }

  Now instead of fetching file, I want to modify ffplay.c code so that let it fetch the received packet, I can save received packet to AVPacket by

  static AVPacket avpkt;
  
  avpkt.data = inbuf;

  My question is : how to put AVPacket information into videostate structure ?