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• python multiple threads redirecting stdout

  4 septembre 2022, par Marcin Kamienski

  I'm building an icecast2 radio station which will restream existing stations in lower quality. This program will generate multiple FFmpeg processes restreaming 24/7. For troubleshooting purposes, I would like to have an output of every FFmpeg process redirected to the separate file.

  


  import ffmpeg, csv
from threading import Thread

def run(name, mount, source):
icecast = "icecast://"+ICECAST2_USER+":"+ICECAST2_PASS+"@localhost:"+ICECAST2_PORT+"/"+mount
stream = (
        ffmpeg
        .input(source)
        .output(
            icecast,
            audio_bitrate=BITRATE, sample_rate=SAMPLE_RATE, format=FORMAT, acodec=CODEC,
            reconnect="1", reconnect_streamed="1", reconnect_at_eof="1", reconnect_delay_max="120",
            ice_name=name, ice_genre=source
            )
        )
return stream

with open('stations.csv', mode='r') as data:
for station in csv.DictReader(data):
    stream = run(station['name'], station['mount'], station['url'])
    thread = Thread(target=stream.run)
    thread.start()


  


  As I understand I can't redirect stdout of each thread separately, I also can't use ffmpeg reporting which is only configured by an environment variable. Do I have any other options ?

  


• Nginx rtmp com saida UTP multicast [closed]

  31 mars 2021, par Ralph Danezin

  Bom Dia
Tenho servidor nginx rmtp
Estou precisando que esse script tenha uma saida para udp 239.192.48.75 multicast. Como poderiam me ajudar ?

  


• Windows 2003 using php popen "start /b" because of executing ffmpeg.exe

  1er juillet 2013, par Oh Seung Kwon

  I have some problem.

  There is a php code that convert audio(wav) to mp3 file with using ffmpeg.exe.

  Here is some code.

  $cmd = "./inc/ffmpeg.exe -i ".$file_name." -acodec mp3 -y -ac 1 -ab 96k ".$mp3_file_name;
  
  
  
  echo $cmd;
  
  echo "Windows";
  
  $handle = popen("start /B ".$cmd, "r");
  
  while(!feof($handle)) {
  
      $read = fread($handle, 2096);
  
      echo $read;
  
  }
  
  pclose($handle);

  Problem is when I execute this code, ffmpeg.exe process isn't terminated. And not gonna die when I stop process with using Windows task manager.

  Do you have a solution for this situation ?