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• How to download m3u8 playlist with URL redirection ? (blob URL,HydraX, JW Player version 8.4.2)

  17 novembre 2019, par wltprgm

  The video in https://hydrax.net/ is using HLS, .m3u8 file, direct link is https://hydrax.net/demo/hydrax.html (from the iframe src).

  However, youtube-dl couldn’t read from the .m3u8 file I downloaded from blob in chrome.

  And using ffmpeg method (which usually works) to download from the .m3u8 file failed because the first segment of the file is a URL redirect

  Error when loading first segment 'https://i.donald-gaines.xyz/redirect/7qC173pnWiDwe2TumUTYnzX4WdbPn8XJDzhqDzXPo39PWtX4EaAxLq7FLUW17aI/WhsiWh1RO6oSXzr6QqkTOgljgRrXBgpJtQf6gMBAC5Jq95JkuQlWKpfpgPoo/BSGGloj6MOe7cO4K9HoDj76PRzjSVoiwcJ1Xl34kc3Z5/Bl2WS3KO8WsicRVG8l1EBoi3RN2DnqZx6o13U56YnDBv'
  
  2b0bdf87-656f-4880-8357-f7fd6329b2f8.m3u8: Invalid data found when processing input

  Somebody asked the same question in reddit some days ago : link

• How to convert mp4 to HLS and add subtitles to master playlist with ffmpeg

  26 septembre 2023, par light01

  I'm trying to use ffmpeg to convert an mp4 file to HLS, add subtitles, and have them in the master playlist.

  



  I managed to get it to create index_vtt.m3u8 files that contain the subtitles, but it doesn't want to add the stream to the master playlist.
I'm new to this so I don't fully understand how the whole ffmpeg works (I'm mainly just trying out bunch of resources I found on the net)

  



  I'm using the following command :

  



  ../ffmpeg-4.2.1/ffmpeg -i ../input.mp4 -i ../subtitile.vtt -c:s webvtt -profile:v baseline -level 21 -s 1280x720 -start_number 0 -hls_playlist_type vod -hls_time 10 -hls_list_size 3 -f hls -master_pl_name master.m3u8 index.m3u8`


  



  It generates master.m3u8

  



  #EXTM3U
#EXT-X-VERSION:3
#EXT-X-STREAM-INF:BANDWIDTH=140800,RESOLUTION=1280x720,CODECS="avc1.42c015,mp4a.40.2"
index.m3u8


  



  I can play it in vlc, but it doesn't recognize any subtitles.
Then I modify the master.m3u8 so it looks like this :

  



  #EXTM3U
#EXT-X-VERSION:6

#EXT-X-MEDIA:TYPE=SUBTITLES,URI="index_vtt.m3u8",GROUP-ID="default-text-group",LANGUAGE="hr",NAME="Croatian",AUTOSELECT=YES

#EXT-X-STREAM-INF:BANDWIDTH=140800,RESOLUTION=1280x720,CODECS="avc1.42c01e,mp4a.40.2",SUBTITLES="default-text-group"
index.m3u8


  



  And everything is fine. How can I tell ffmpeg to do this for me ?

  


• FFMPEG Streaming USB Webcam Video with Music Playlist

  3 février 2020, par 556duckvader

  Hello I am setting up streaming box that will be using a USB webcam as my video source and I am wanting to add in background audio to the live streams. I am wanting to do this by specifying a playlist and have it play through the audio files and then loop back once the playlist is finished. I have the ffmpeg command that allows me to stream the USB webcam and I can get one audio file to play but I can’t get seem to figure out how to get the playlist to work. Any help would be great. Below is what I have that is working.

  ffmpeg -f v4l2 -s 1280x720 -i /dev/video0 -i /home/pi/twitchMusic/ES_Arrows-MarVei.mp3 -c:a copy -c:v libx264 -r 24 -rtbufsize 1500k  -preset ultrafast -crf 23 -force_key_frames 'expr:gte(t,n_forced*2)' -minrate 2200k -maxrate 2200k -pix_fmt yuv420p -b:v 2500k -bufsize 2200k -f flv rtmp://live.twitch.tv/app/TWITCH_KEY