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• ffmpeg adts streaming with ezstream for icecast

  9 août 2017, par Roberto Arosemena

  I’m trying to use ezstream to stream to an icecast server, my problem is while encoding the audio, I decode it from mp3 with madplay and I’m trying to encode it with ffmpeg so the output is aac, someone told me to use adts to be able to stream aac the problem is that the encoding doesn’t stream the audio, it shows the timer on the console but it goes from 0:00:00 to 0:00:40 to 0:01:30, etc until the song ends instead of going second by second, this is my config :

  <ezstream>
  
     <url>http://localhost:8100/t</url>
  
     <sourcepassword>password</sourcepassword>
  
     <format>MP3</format>
  
     <filename>/home/vybroo/server/audio/play.m3u</filename>
  
     <reencode>
  
        <enable>1</enable>
  
        <encdec>
  
           <format>MP3</format>
  
           <match>.mp3</match>
  
           <decode>madplay -b 16 -R 44100 -S -o raw:- @T@</decode>
  
           <encode>ffmpeg -f s16le -ar 44.1k -ac 2 -i - -b:a 32k -ar 44.1k -f adts -</encode>
  
        </encdec>
  
     </reencode>
  
  </ezstream>

  is the enconding config wrong ?, what should i change so it streams second by second correctly

• ffmpeg adts streaming with ezstream for icecast

  18 avril 2015, par Roberto Arosemena

  I’m trying to use ezstream to stream to an icecast server, my problem is while encoding the audio, I decode it from mp3 with madplay and I’m trying to encode it with ffmpeg so the output is aac, someone told me to use adts to be able to stream aac the problem is that the encoding doesn’t stream the audio, it shows the timer on the console but it goes from 0:00:00 to 0:00:40 to 0:01:30, etc until the song ends instead of going second by second, this is my config :

  <ezstream>
  
     <url>http://localhost:8100/t</url>
  
     <sourcepassword>password</sourcepassword>
  
     <format>MP3</format>
  
     <filename>/home/vybroo/server/audio/play.m3u</filename>
  
     <reencode>
  
        <enable>1</enable>
  
        <encdec>
  
           <format>MP3</format>
  
           <match>.mp3</match>
  
           <decode>madplay -b 16 -R 44100 -S -o raw:- @T@</decode>
  
           <encode>ffmpeg -f s16le -ar 44.1k -ac 2 -i - -b:a 32k -ar 44.1k -f adts -</encode>
  
        </encdec>
  
     </reencode>
  
  </ezstream>

  is the enconding config wrong ?, what should i change so it streams second by second correctly

• Reading from an audio CD in Java

  30 novembre 2019, par Macmanmatty

  Hello I’m Finishing up my java music player that is also a portfolio project and I wondered how I can read from an audio CD in java. The java file class can read the file data and send it to ffmpeg via opencv for java and then write to the source data line for playing , unless the user skips songs too fast or tries to seek them. Then the song refuses to play (due to buffer under runs I believe ; it throws ffmpeg frame grabber execeptions) and it just keeps skipping tracks. File input stream was slightly better but it faced other problems and still had seeking problems. My latest idea was to cache the file on to the hard disk and then play it. But not one of the four file copy methods I tried, Java Copy File – Stream, Java Copy File – java.nio.channels.FileChannel, Java Copy File – Apache Commons IO FileUtils, Java Copy File – Files class was able to copy 100% of the file 100% of the time. They mostly transferred about 50-60% of it and then quit. So how does one read from a CD in java ? I’m running OSX 10.12 and all of the audio files appear up as AIFF files . I would like to be able to have this work for all major desktop platforms (OSX Windows, Linux) though.