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• FFMPEG - convert video with multiple audio and subtitles

  3 juillet 2022, par Armitage2k

  I have a MKV video file with 1x video track, 3x audio tracks and 2x subtitle tracks.

  


  Now, I use the code below convert the video to x265 but sadly have no control over which audio and subtitles to convert. Can someone advise how I can tweak the statement to use audio track #0:3 and subtitle #0:4 ?

  


  ffmpeg -i INPUT.mkv -c:v libx265 -c:a copy -x265-params crf=25 OUTPUT.mkv

  


  This is what the .mkv file contains :

  


    Stream #0:0(jpn): Video: h264 (High), yuv420p(progressive), 1280x692 [SAR 1:1 DAR 320:173], 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
  Stream #0:1(eng): Audio: aac (LC), 48000 Hz, stereo, fltp (default)
    Metadata:
      title           : English 2.0 channel AAC (Original)
  Stream #0:2(eng): Audio: aac (LC), 48000 Hz, stereo, fltp
    Metadata:
      title           : English 2.0 channel AAC (New)
  Stream #0:3(jpn): Audio: aac (LC), 48000 Hz, stereo, fltp
    Metadata:
      title           : Japanese 2.0 channel AAC
  Stream #0:4(eng): Subtitle: ass (default)
    Metadata:
      title           : Signs/Karaoke [Kametsu]
  Stream #0:5(eng): Subtitle: ass
    Metadata:
      title           : Re-styled [Kametsu]
  Stream #0:6: Attachment: ttf
    Metadata:
      filename        : nyala.ttf
      mimetype        : application/x-truetype-font
  Stream #0:7: Attachment: ttf
    Metadata:
      filename        : fontastique.ttf
      mimetype        : application/x-truetype-font
  Stream #0:8: Attachment: ttf
    Metadata:
      filename        : ARIALNB.TTF
      mimetype        : application/x-truetype-font
  Stream #0:9: Attachment: ttf
    Metadata:
      filename        : BorisBlackBloxx.ttf
      mimetype        : application/x-truetype-font
  Stream #0:10: Attachment: ttf
    Metadata:
      filename        : CODE2000.TTF
      mimetype        : application/x-truetype-font
  Stream #0:11: Attachment: ttf
    Metadata:
      filename        : CronosPro-Semibold.ttf
      mimetype        : application/x-truetype-font
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265))
  Stream #0:1 -> #0:1 (copy)
  Stream #0:4 -> #0:2 (ass (ssa) -> ass (ssa))


  


  Thank you very much

  


• Input RTP stream to web html5 page ffmpeg

  6 août 2013, par Tommy

  I am working on school project and I need to transfere RTP from multicast IP and I would like play live stream on web page, preferrably in html5.

  So far i have started recording stream with ffmpeg. And it only recording audio. I have output of ffmpeg.

  

  Addtionaly if you have any good sulution to transfere rtp stream from multicast domain to web page so give your ideas.

  Sorry for my english guys.

  Thank you in advance.

• FFmpeg, Icecast and ice_name in Cyrillic

  6 juin 2021, par Alexandr Kuznetsov

  Sorry for my English, I hope you can understand me.

  


  To set stream names (-ice_name), I need to use Cyrillic characters. But on Icecast server I get hieroglyphs.

  


  If I use software other than ffmpeg, then everything is displayed fine. But I need to use ffmpeg exactly.

  


  Here's the source :

  


  "c:\ffmpegrec\ffmpeg.exe" -i rtmp://... -fflags nobuffer -vn -c:a libmp3lame -b:a 192K -content_type audio/mpeg -f mp3 -ice_name "Имя стрима" -ice_description "Описание стрима" -ice_public 0 -password ... icecast://...


  


  All this is run through a .bat file.