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• What's difference between using ffmpeg vs Native Hls to download M3U8 file ?

  11 octobre 2017, par Mike Ross

  I use youtube-dl to download M3U8 video (Not live streaming )
  But when I download video using Ffmpeg, if i interrupt download it’s not possible to resume downloads
  When i use --hls-prefer-native tag I’m able to resume downloads.
  My question is what’s difference between the both ? And which is best between these two ?
  Only difference I can find is that the video created using Native Hls has no thumbnail in Ubuntu File Manager !!

• Convert and download m3u8 to mp3 in Android [on hold]

  27 novembre 2017, par Guru

  I wanted to download mp3 and mp4 file from an available m3u8 file in Android. So I used the ffmpeg library to do the work.Thanks to AmirHadifar

  Using the ffmpeg method I am able to download the mp4 file

  ffmpeg -i in.m3u8 -acodec copy -bsf:a aac_adtstoasc -vcodec copy out.mp4

  Using this same code I am unable to download the mp3 from m3u8 file. Can someone point me to the proper way to download the mp3 file from m3u8 using ffmpeg

• Error and understanding issue : using ffmpeg to real time publish FLV file to Red5 and real time download FLV from Red5

  29 août 2014, par kajarigd

  OS : Windows 8, RTMP Server : Red5, Video File format : FLV, I want to : Read/Write FLV from and to Red5 by live streaming.

  To publish FLV file from local I am using this command at Command Line :

  ffmpeg -re -i input.flv -acodec copy -vcodec copy -f flv rtmp://ocalhost/oflaDemo/streams

  My understanding : This command will upload input.flv to the server location C :\Program Files\red5\webapps\oflaDemo\streams. So, after the command is done running, I expect in this server location a new file input.flv will be created. Is this correct ?

  When I am running this command I am getting the following error and no file is getting created on the server side :

  [flv @ 03c6a660] Failed to update header with correct duration.
  
  [flv @ 03c6a660] Failed to update header with correct filesize.
  
  frame= 1567 fps= 24 q=-1.0 Lsize=    3064kB time=00:01:05.43 bitrate= 383.6kbits
  
  /s
  
  video:2232kB audio:767kB subtitle:0kB other streams:0kB global headers:0kB muxin
  
  g overhead: 2.183349%

  Can you help me understand what I am doing wrong ? What should be correct command in this case to achieve what I want ?

  Now, I am using the following command to livestream read a FLV file from the server into my local :

  ffmpeg -re -i rtmp://localhost/oflaDemo/streams/hobbit_vp6.flv -c copy dump.flv

  My understanding : File hobbit_vp6.flv will be downloaded into my local directory and will get saved as dump.flv. And this will be live streaming. This will be like, recording a video stream from the server. Is this correct ?

  When I am running this command I am getting the following error and no file is getting created on the local :

  Closing connection: NetStream.Play.StreamNotFound rtmp://localhost/oflaDemo/streams/hobbit_vp6.flv: Unknown error occurred

  Can you help me understand what I am doing wrong ? What should be correct command in this case to achieve what I want ?