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• aacenc_tns : fix triggering an assertion with assert-level=2

  29 août 2015, par Rostislav Pehlivanov

  aacenc_tns : fix triggering an assertion with assert-level=2
  It also made no sense to actually make the filter span the entire
  
  window including the first band of the next window.
  Signed-off-by : Rostislav Pehlivanov <atomnuker@gmail.com>
  

  • [DH] libavcodec/aacenc_tns.c

• HTTP Listener continuous data on same request (Keep alive)

  22 janvier 2019, par Kevin Jensen Petersen

  I’m currently trying to create a HTTP Server/Listener in C# which takes a Request and Keeps it open "Keep Alive" for further data being sent on a regular basis (FFMPEG streaming data), however I cannot seem to find an equivalent to what Node.js/JavaScript does in this example.

  I got the basics of HTTP Requests down and being able to "Keep it alive".

  Does anyone know of a way in C# ?

  var streamServer = http.createServer(function(request, response) {
  
  
  
      response.connection.setTimeout(0);
  
  
  
      request.on('data', function(data){
  
           socketServer.broadcast(data);
  
      });
  
  
  
  }).listen(STREAM_PORT);

• aacenc : add support for encoding files using Long Term Prediction

  17 octobre 2015, par Rostislav Pehlivanov

  aacenc : add support for encoding files using Long Term Prediction
  Long Term Prediction allows for prediction of spectral coefficients
  
  via the previously decoded time-dependent samples. This feature
  
  works well with harmonic content 2 or more frames long, like speech,
  
  human or non-human, piano music or any constant tones at very low
  
  bitrates.
  It should be noted that the current coder is highly efficient and
  
  the rate control system is unable to encode files at extremely
  
  low bitrates (less than 14kbps seems to be impossible) so this
  
  extension isn’t capable of optimum operation. Dramatic difference
  
  is observable with some types of audio and speech but for the most
  
  part the audiable differences are subtle. The spectrum looks better
  
  however so the encoder is able to harvest the additional bits that
  
  this feature provies, should the user choose to enable it. So
  
  it’s best to enable this feature only if encoding at the absolutely
  
  lowest bitrate that the encoder is capable of.
  

  • [DH] libavcodec/Makefile
  • [DH] libavcodec/aac.h
  • [DH] libavcodec/aaccoder.c
  • [DH] libavcodec/aacenc.c
  • [DH] libavcodec/aacenc.h
  • [DH] libavcodec/aacenc_ltp.c
  • [DH] libavcodec/aacenc_ltp.h