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Sur d’autres sites (7094)

  • ffmpeg save hls to m3u8 with mp4 segments

    9 juin 2018, par J. Omen

    I am looking for a command ffmpeg, which saving live input (rtmp or hls) to hls m3u8 with mp4 segments files. I know that it is possible to do, i.e. there is infohttps://bitmovin.com/hls-news-wwdc-2016/ but every command I tries - makes ts files. Anyone know solution ?

  • Revision aaf6ad53d0 : Released version 1.0.5.

    3 avril 2008, par Marc Noirot

    Changed Paths :
     Modify /ChangeLog


     Modify /NEWS


     Modify /THANKS


     Modify /config.h.win


     Modify /configure.ac



    Released version 1.0.5.

  • ffmpeg in bash only works on every second file

    5 août 2016, par kay

    EDIT :

    The Solution is to change the original ffmpeg-call below to the following :
    ffmpeg -nostdin -loglevel 16 -i "$dir/$var" -map_channel 0.0.0 "$left" -map_channel 0.0.1 "$right"
    where the -nostdin is the crucial thing.
    For reference see apply ffmpeg to many files (comment by macmichael01)


    I’m trying to convert all .wav-files in a given directory and it’s subdirectorys into two mono-files each with the following bash script. The crucial part is almost at the bottom - the ffmpeg call :

    #!/bin/bash
    # "[One] Stereo [file] to two mono [files] - stereo22mono"

    # Syntax ffmpeg siehe: https://trac.ffmpeg.org/wiki/AudioChannelManipulation


    ls -R $1 > .s22mtmp.txt

    while read -r line || [[ -n "$line" ]]; do

       var=$line
       tst=$var
       tst="${tst%:}"

       if [ -d "${tst%./}" ]       # is directory name
       then
           dir=$tst

       elif [ -f "$dir/$var" ]     # is file name
       then
           left=$dir/left_$var
           right=$dir/right_$var

           #loglevel 16 = only errors
           # -i ...-> input file
           # ffmpeg ... [SOURCE] ... [TARGET1] ... [TARGET2]
           ffmpeg -loglevel 16 -i "$dir/$var" -map_channel 0.0.0 "$left" -map_channel 0.0.1 "$right"
       fi

    done < .s22mtmp.txt


    rm .s22mtmp.txt

    It almost works - besides the fact, that it only does it’s job on only every second file, although the for-loop correctly goes through all files (watched it with echo) and calls ffmpeg.
    I thought it might be that ffmpeg has not finished it’s assigned work by the time it is asked to work on the next file and therefore just refuses, which seems to be true.
    Because I made one try with disowning every call of ffmpeg like so :

    ffmpeg -loglevel 16 -i "$dir/$var" -map_channel 0.0.0 "$left" -map_channel 0.0.1 "$right" & disown

    This worked almost, the problem was just that kind of hundreds of processes and multiple times more threads where starting to run and wouldn’t complete in a reasonable time, so I arborted. :D
    But at least it didn’t skip every second file anymore with that kind of call.

    Can anyone give me a hint, how to get this done ? Would be very thankful.. it’s actually the first time I’m trying with bash scripts.
    Thanks in advance !