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• lavfi/show{spectrum,waves} : use ff_filter_frame().

  29 novembre 2012, par Clément Bœsch

  lavfi/showspectrum,waves : use ff_filter_frame().

• ffmpeg show wrong with/height of video

  6 mai 2020, par boygiandi

  I have this video : https://media.gostream.co/uploads/gostream/9wkBeGM7lOfxT902V86hzI22Baj2/23-4-2020/videos/263a34c5a2fe61b33fe17e090893c04e-1587640618504_fs.mp4

  



  When I play it on Google Chrome, it's vertical video. But when I check with ffmpeg

  



  ffmpeg -i "https://media.gostream.co/uploads/gostream/9wkBeGM7lOfxT902V86hzI22Baj2/23-4-2020/videos/263a34c5a2fe61b33fe17e090893c04e-1587640618504_fs.mp4"


  



  It show video dimensions are 1080x1080

  



  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'a.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.35.101
  Duration: 00:00:39.51, start: 0.000000, bitrate: 1577 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1080x1080 [SAR 9:16 DAR 9:16], 1464 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
At least one output file must be specified


  



  And when I livestream this video to Facebook, it scaled vertical video into square form : https://imgur.com/a/A8dQ7j7

  



  How can I correct video size when livestream ?

  


• RTSP Streaming to Web - need to show IP camera streaming to web in all browser [on hold]

  7 juillet 2016, par user2894595

  I need to show IP camera streaming to web in all browser

  1. I tried using VLC to convert the stream into HLS(m3u8) with mediaelementjs but its not working in all browser.
  2. Then i tried theora codec to convert it into ogg but VLC was taking too much CPU.

  Suggest me.