Recherche avancée

Sur d’autres sites (6309)

• FFMpeg outputs empty stream/file in C#

  15 juin 2017, par Dark0Matter

  I’m making a bot for discord, and I’m currently trying to use ffmpeg to stream an audio file through voice chat. (Which, many other people succeeded in doing it)

  So basically, I’m using libsodium.dll + opus.dll + ffmpeg.exe to turn an mp3 file into a stream using ffmpeg, and output it.

  This is my "CreateStream" function which starts ffmpeg and turns the mp3 file into a stream/pipe.

      private Process CreateStream(string path)
  
      {
  
          var ffmpeg = new ProcessStartInfo
  
          {
  
              FileName = "ffmpeg.exe",
  
              //Arguments = $"-hide_banner -loglevel panic -i \"{path}\" -ac 2 -f s16le -ar 48000 pipe:1",
  
              Arguments = $"-i {path} -ac 2 -f s16le -ar 48000 pipe:1",
  
              //Arguments = $"-i {path} -ac 2 -f s16le -ar 48000 testingtesting.mp3",
  
              UseShellExecute = false,
  
              RedirectStandardOutput = true,
  
          };
  
          return Process.Start(ffmpeg);
  
      }

  The commented arguments are the other arguments that I’ve tried. (e.g. the last commented arguments line was an attempt to output it to a file instead of a stream, and the file turned out to be empty)

  So basically, my current arguments are

  Arguments = $"-i {path} -ac 2 -f s16le -ar 48000 pipe:1"

  (where pipe:1 is replaceable by any filename such as test.wav)

  and here’s my problem in case you didn’t catch it :

  ffmpeg always outputs empty streams/files.

  Here’s the output that I got in the console.
  https://pastebin.com/zvGgsZZ6

  So my question is,

  Am I using the wrong arguments ?

  And if so, what other arguments can I try to get it fixed ?

  Tl ;dr : ffmpeg outputs empty data to a stream, and it does the same thing when the pipe is replaced by a .wav/.mp3 file.

  EDIT1 : After some time of waiting, I got this : https://pastebin.com/y8rjnsMb

  EDIT2 : I searched for more argument combinations that worked for other people and stumbled upon Arguments = $"-i \"path\" -ab 48000 -f mp3 test.mp3",
  when I tried writing to test.mp3, it worked, but the quality was low.
  Then I tried replacing test.mp3 with pipe:1, but that didn’t work. Help ?

• avfilter : remove usage of empty header

  25 juin 2017, par Paul B Mahol

  avfilter : remove usage of empty header
  Signed-off-by : Paul B Mahol <onemda@gmail.com>
  

  • [DH] libavfilter/f_sendcmd.c
  • [DH] libavfilter/f_zmq.c
  • [DH] libavfilter/graphdump.c
  • [DH] libavfilter/internal.h

• avcodec/cuviddec : only flush cuvid when output queue is empty

  20 mai, par Timo Rothenpieler

  avcodec/cuviddec : only flush cuvid when output queue is empty
  

  • [DH] libavcodec/cuviddec.c